PHP程序员一般都忽略了的几点精华
我发现很多的PHP程序员,尤其是学习还不是很久的,都不知道PHP的精华所在。Perl当年如何在商界出名?其强大的正则表达式。而PHP呢?他是一门从Unix下发展起来的语言,当然也就继续了Perl的很多特点,同时C的优点都有。快速、简洁、明了,尤其是C程序员,PHP是至爱,我就是深爱着“PHP”(都忘了女友了:))。这里,我想来写一篇PHP的变量、数组应用技巧和PHP的正则表达式、PHP的模板应用,以后有时间再写PHP与COM、PHP与XML的完全结合。
1、变量、数组的应用技巧
(1)很多人用得不多的数组函数。foreach、list、each。分别举几个例子,应该就能知道了。例:
<?php
$data = array('a' => 'data1', 'b' => 'data2', 'c' => 'data3');
while(list($subscript, $value) = each($data))
{
echo "$subscript => $value :: ";
echo "$subscript => $value <br>";
}
reset($data);
foreach($data as $subscript => $value)
{
echo "$subscript => $value :: ";
echo "$subscript => $value <br>";
}
(2)函数的变量、变量的变量、变量的“指针”:看下例:
<?php
//变量的变量
$var = "this is a var";
$varname = "var";
echo $$varname;
//函数的变量
function fun1($str) {
echo $str;
}
$funname = "fun1";
$funname("This is a function !");
?>
变量的“指针”。这个指针加上了双引号,表明他不是真正的指针。看看下例:
<?php
function($a) {
$a ;
}
$c = 0;
function($c);
echo $c; //$c仍为0
function(&$a) {
$a ;
}
$c = 0;
echo $c; //$c为1
?>
之所以称其为“指针”,就是因为他有了和C语言中指针相同的功能。但这又不是真正的指针,只能够是这样的去理解。
2、正则表达式
正则表达式是一个非常大的题目,Perl的正则表达式的强大是闻了名的。而PHP也不弱,他继续了Perl的正则表达式法则,还有自己的一套法则。这里只说PHP自己的正则表达式。
正则表达式是最基本的元素。简单地说就是一套规则,用于去判定其它的元素是不是符合自身的规则,或者说是不是有相同的特征描述。
正则表达式的开始符:^,结尾符$,这两个符号间的是匹配的元素。如检查一个电话号码是不是打往北京的号,用正则表达式表示就是“^010$”。只要前3位区号是010,就是北京的号,后面的电话号码就不用管了。然后,用正则表达式匹配函数ereg来判定,例:
<?php
$pattern = "^010$";
$phone = "01080718828";
if(ereg($pattern, $phone))
echo "打往北京的号";
else
echo "不是打往北京的号";
?>
这就是正则表达式。北京的电话都是8位数字的,那我要知道这个号码是不是正确了?假如他按了9位号呢?假如判定正误?这就要用到正则表达式的字符簇。那么上例的正则表达式就要这样写:^010[0-9]{8}$,就能同时判定号码是不是符合规则。正则表达式有很多的应用,像LBB、VBB论坛在发贴时的所谓VBB代码LBB代码的解析,都是用正则表达式完成的。
3、模板
知道了正则表达式的功能,那么就可以知道模板了。什么是模板?举个例子吧?一般写网页用到了后台程序的时候,都是在网页里面插入程序代码。如PHP。这就是HTML和PHP的混写。这样的优点是读取速度快,缺点是假如大家分工合作做网站,那么非程序员就不会改网了。
而用模板,则可以达到分工的最合理化。美工只做页面,程序只写后台,然后再合起来。优秀的Jsp提供了自定义标签的功能很好地完成了模板功能。而主流的PHP如何做到呢?就是利用正则表达式来做到的。可以去网上下载一个PHPLIB,里面的PHP目录下有一个template.inc的源代码文件,那就是用PHP实现模板套用的类。
由于篇幅有限,这里只是简单地说一说这些内容,假如真的想学的话,还请看专门的教材。如光要讲清楚正则表达式就可以写上一本小书。
<?
define('ABC_CRITICAL', 0);
define('ABC_ERROR', 1);
define('ABC_ALERT', 2);
define('ABC_WARNING', 3);
define('ABC_NOTICE', 4);
define('ABC_INFO', 5);
define('ABC_DEBUG', 6);
define('ABC_TRACE', 7);
define('ABC_VAR_DUMP', 8);
define('ABC_NO_LOG', -1);
$php_version = split( "\.", phpversion() );
if( $php_version[0] == 4 && $php_version[1] <= 1 ) {
if( !function_exists('var_export') ) {
function var_export( $exp, $ret ) {
ob_start();
var_dump( $exp );
$result = ob_get_contents();
ob_end_clean();
return $result;
}}}function print_bt()
{
print "<code>\n";
$cs = debug_backtrace();
for( $i = 1; $i < count($cs) ; $i++ )
{
$item = $cs[ $i ];
for( $j = 0; $j < count($item['args']); $j++ )
if( is_string($item['args'][$j]) )
$item['args'][$j] = "\"" . $item['args'][$j] . "\"";
$args = join(",", $item['args'] );
if( isset( $item['class'] ) )
$str = sprintf("%s(%d): %s%s%s(%s)",
$item['file'],
$item['line'],
$item['class'],
$item['type'],
$item['function'],
$args );
else
$str = sprintf("%s(%d): %s(%s)",
$item['file'],
$item['line'],
$item['function'],
$args );
echo $str . "<br>\n";
}print "</code>\n";
}function _die( $str )
{
print "Script died with reason: $str<br>\n";
print_bt();
exit();
}class DebugOut
{
var $priorities = array(ABC_CRITICAL => 'critical',
ABC_ERROR => 'error',
ABC_ALERT => 'alert',
ABC_WARNING => 'warning',
ABC_NOTICE => 'notice',
ABC_INFO => 'info',
ABC_DEBUG => 'debug',
ABC_TRACE => 'trace',
ABC_VAR_DUMP => 'dump'
);
var $_ready = false;
var $_currentPriority = ABC_DEBUG;
var $_consumers = array();
var $_filename;
var $_fp;
var $_logger_name;
function DebugOut($name, $logger_name, $level ){
$this->_filename = $name;
$this->_currentPriority = $level;
$this->_logger_name = $logger_name;
if ($level > ABC_NO_LOG){
$this->_openfile();
}
register_shutdown_function(array($this,"close"));
} function log($message, $priority = ABC_INFO) {
if ($priority > $this->_currentPriority) {
return false;
}
return $this->_writeLine($message, $priority, strftime('%b %d %H:%M:%S'));
} function dump($variable,$name) {
$priority = ABC_VAR_DUMP;
if ($priority > $this->_currentPriority ) {
return false;
} $time = strftime('%b %d %H:%M:%S');
$message = var_export($variable,true);
return fwrite($this->_fp,
sprintf("%s %s [%s] variable %s = %s \r\n",
$time,
$this->_logger_name,
$this->priorities[$priority],
$name,
$message)
);
} function info($message) {
return $this->log($message, ABC_INFO);
} function debug($message) {
return $this->log($message, ABC_DEBUG);
} function notice($message) {
return $this->log($message, ABC_NOTICE);
} function warning($message) {
return $this->log($message, ABC_WARNING);
} function trace($message) {
return $this->log($message, ABC_TRACE);
} function error($message) {
return $this->log($message, ABC_ERROR);
}
function _writeLine($message, $priority, $time) {
if( fwrite($this->_fp, sprintf("%s %s [%s] %s\r\n", $time, $this->_logger_name, $this->priorities[$priority], $message)) ) {
return fflush($this->_fp);
} else {
return false;
} } function _openfile() {
if (($this->_fp = @fopen($this->_filename, 'a')) == false) {
return false;
} return true;
} function close(){
if($this->_currentPriority != ABC_NO_LOG){
$this->info("Logger stoped");
return fclose($this->_fp);
} }
function Factory($name, $logger_name, $level) {
$instance = new DebugOut($name, $logger_name, $level);
return $instance;
} function &getWriterSingleton($name, $logger_name, $level = ABC_DEBUG){
static $instances;
if (!isset($instances)){
$instances = array();
} $signature = serialize(array($name, $level));
if (!isset($instances[$signature])) {
$instances[$signature] = DebugOut::Factory($name, $logger_name, $level);
}
return $instances[$signature];
} function attach(&$logObserver) {
if (!is_object($logObserver)) {
return false;
} $logObserver->_listenerID = uniqid(rand());
$this->_listeners[$logObserver->_listenerID] = &$logObserver;
}}define ('ABC_BAD_DATE', -1);
class ExcelDateUtil{
function xls2tstamp($date) {
$date=$date>25568?$date:25569;
$ofs=(70 * 365 + 17+2) * 86400;
return ($date * 86400) - $ofs;
}function getDateArray($xls_date){
$ret = array();
if ($xls_date == 60) {
$ret['day'] = 29;
$ret['month'] = 2;
$ret['year'] = 1900;
return $ret;
} else if ($xls_date < 60) {
$xls_date++;
}
$l = $xls_date + 68569 + 2415019;
$n = (int)(( 4 * $l ) / 146097);
$l = $l - (int)(( 146097 * $n + 3 ) / 4);
$i = (int)(( 4000 * ( $l + 1 ) ) / 1461001);
$l = $l - (int)(( 1461 * $i ) / 4) + 31;
$j = (int)(( 80 * $l ) / 2447);
$ret['day'] = $l - (int)(( 2447 * $j ) / 80);
$l = (int)($j / 11);
$ret['month'] = $j + 2 - ( 12 * $l );
$ret['year'] = 100 * ( $n - 49 ) + $i + $l;
return $ret;
}function isInternalDateFormat($format) {
$retval =false;
switch(format) {
case 0x0e:
case 0x0f:
case 0x10:
case 0x11:
case 0x12:
case 0x13:
case 0x14:
case 0x15:
case 0x16:
case 0x2d:
case 0x2e:
case 0x2f:
case 0xa4:
case 0xa5:
case 0xa6:
case 0xa7:
case 0xa8:
case 0xa9:
case 0xaa:
case 0xab:
case 0xac:
case 0xad:
$retval = true; break;
default: $retval = false; break;
} return $retval;
}}define('EXCEL_FONT_RID',0x31);
define('XF_SCRIPT_NONE',0);
define('XF_SCRIPT_SUPERSCRIPT',1);
define('XF_SCRIPT_SUBSCRIPT',2);
define('XF_UNDERLINE_NONE',0x0);
define('XF_UNDERLINE_SINGLE',0x1);
define('XF_UNDERLINE_DOUBLE',0x2);
define('XF_UNDERLINE_SINGLE_ACCOUNTING',0x3);
define('XF_UNDERLINE_DOUBLE_ACCOUNTING',0x4);
define('XF_STYLE_ITALIC', 0x2);
define('XF_STYLE_STRIKEOUT', 0x8);
define('XF_BOLDNESS_REGULAR',0x190);
define('XF_BOLDNESS_BOLD',0x2BC);
class ExcelFont {
function basicFontRecord() {
return array('size' => 10,
'script' => XF_SCRIPT_NONE,
'undeline' => XF_UNDERLINE_NONE,
'italic' => false,
'strikeout'=> false,
'bold' => false,
'boldness' => XF_BOLDNESS_REGULAR,
'palete' => 0,
'name' => 'Arial');
} function getFontRecord(&$wb,$ptr) {
$retval = array('size' => 0,
'script' => XF_SCRIPT_NONE,
'undeline' => XF_UNDERLINE_NONE,
'italic' => false,
'strikeout'=> false,
'bold' => false,
'boldness' => XF_BOLDNESS_REGULAR,
'palete' => 0,
'name' => '');
$retval['size'] = (ord($wb[$ptr])+ 256*ord($wb[$ptr+1]))/20;
$style=ord($wb[$ptr+2]);
if (($style & XF_STYLE_ITALIC) != 0) {
$retval['italic'] = true;
} if (($style & XF_STYLE_STRIKEOUT) != 0) {
$retval['strikeout'] = true;
} $retval['palete'] = ord($wb[$ptr+4])+256*ord($wb[$ptr+5]);
$retval['boldness'] = ord($wb[$ptr+6])+256*ord($wb[$ptr+7]);
$retval['bold'] = $retval['boldness'] == XF_BOLDNESS_REGULAR ? false:true;
$retval['script'] = ord($wb[$ptr+8])+256*ord($wb[$ptr+9]);
$retval['underline'] = ord($wb[$ptr+10]);
$length = ord($wb[$ptr+14]);
if($length >0) {
if(ord($wb[$ptr+15]) == 0) {
$retval['name'] = substr($wb,$ptr+16,$length);
} else {
$retval['name'] = ExcelFont::getUnicodeString($wb,$ptr+15,$length);
} } return $retval;
} function toString(&$record,$index) {
$retval = sprintf("Font Index = %d \nFont Size =%d\nItalic = %s\nStrikeoout=%s\nPalete=%s\nBoldness = %s Bold=%s\n Script = %d\n Underline = %d\n FontName=%s<hr>",
$index,
$record['size'],
$record['italic'] == true?"true":"false",
$record['strikeout'] == true?"true":"false",
$record['palete'],
$record['boldness'],
$record['bold'] == true?"true":"false",
$record['script'],
$record['underline'],
$record['name']
);
return $retval;
} function getUnicodeString(&$string,$offset,$length) {
$bstring = "";
$index = $offset + 1;
for ($k = 0; $k < $length; $k++)
{
$bstring = $bstring.$string[$index];
$index += 2;
} return substr($bstring,0,$length);
} function ExcelToCSS($rec, $app_font=true, $app_size=true, $app_italic=true, $app_bold=true){
$ret = "";
if($app_font==true){
$ret = $ret."font-family:".$rec['name']."; ";
} if($app_size==true){
$ret = $ret."font-size:".$rec['size']."pt; ";
} if($app_bold==true){
if($rec['bold']==true){
$ret = $ret."font-weight:bold; ";
} else {
$ret = $ret."font-weight:normal; ";
} } if($app_italic==true){
if($rec['italic']==true){
$ret = $ret."font-style:italic; ";
} else {
$ret = $ret."font-style:normal; ";
} } return $ret;
}}define ( DP_EMPTY, 0 );
define ( DP_STRING_SOURCE, 1 );
define ( DP_FILE_SOURCE, 2 );
class ExcelParserUtil
{
function str2long($str) {
return ord($str[0]) + 256*(ord($str[1]) +
256*(ord($str[2]) + 256*(ord($str[3])) ));
}}
class DataProvider
{
function DataProvider( $data, $dataType )
{
switch( $dataType )
{
case DP_FILE_SOURCE:
if( !( $this->_data = @fopen( $data, "rb" )) )
return;
$this->_size = @filesize( $data );
if( !$this->_size )
_die("Failed to determine file size.");
break;
case DP_STRING_SOURCE:
$this->_data = $data;
$this->_size = strlen( $data );
break;
default:
_die("Invalid data type provided.");
}$this->_type = $dataType;
register_shutdown_function( array( $this, "close") );
}function get( $offset, $length )
{
if( !$this->isValid() )
_die("Data provider is empty.");
if( $this->_baseOfs + $offset + $length > $this->_size )
_die("Invalid offset/length.");
switch( $this->_type )
{
case DP_FILE_SOURCE:
{
if( @fseek( $this->_data, $this->_baseOfs + $offset, SEEK_SET ) == -1 )
_die("Failed to seek file position specified by offest.");
return @fread( $this->_data, $length );
}case DP_STRING_SOURCE:
{
$rc = substr( $this->_data, $this->_baseOfs + $offset, $length );
return $rc;
}default:
_die("Invalid data type or class was not initialized.");
}}function getByte( $offset )
{
return $this->get( $offset, 1 );
}function getOrd( $offset )
{
return ord( $this->getByte( $offset ) );
}function getLong( $offset )
{
$str = $this->get( $offset, 4 );
return ExcelParserUtil::str2long( $str );
}function getSize()
{
if( !$this->isValid() )
_die("Data provider is empty.");
return $this->_size;
}function getBlocks()
{
if( !$this->isValid() )
_die("Data provider is empty.");
return (int)(($this->_size - 1) / 0x200) - 1;
}function ReadFromFat( $chain, $gran = 0x200 )
{
$rc = '';
for( $i = 0; $i < count($chain); $i++ )
$rc .= $this->get( $chain[$i] * $gran, $gran );
return $rc;
}function close()
{
switch($this->_type )
{
case DP_FILE_SOURCE:
@fclose( $this->_data );
case DP_STRING_SOURCE:
$this->_data = null;
default:
$_type = DP_EMPTY;
break;
}}function isValid()
{
return $this->_type != DP_EMPTY;
}var $_type = DP_EMPTY;
var $_data = null;
var $_size = -1;
var $_baseOfs = 0;
}class ExcelFileParser {
var $dp = null;
var $max_blocks;
var $max_sblocks;
var $fat;
var $sfat;
var $formats;
var $xf;
var $fonts;
var $dbglog;
function ExcelFileParser($logfile="",$level=ABC_NO_LOG) {
$this->dbglog = &DebugOut::getWriterSingleton($logfile,"",$level);
$this->dbglog->info("Logger started");
}function populateFormat() {
$this->dbglog->trace(" populateFormat() function call");
$ret = array (
0=> "General",
1=> "0",
2=> "0.00",
3=> "#,##0",
4=> "#,##0.00",
5=> "($#,##0_);($#,##0)",
6=> "($#,##0_);[Red]($#,##0)",
7=> "($#,##0.00);($#,##0.00)",
8=> "($#,##0.00_);[Red]($#,##0.00)",
9=> "0%",
0xa=> "0.00%",
0xb=> "0.00E+00",
0xc=> "# ?/?",
0xd=> "# ??/??",
0xe=> "m/d/yy",
0xf=> "d-mmm-yy",
0x10=> "d-mmm",
0x11=> "mmm-yy",
0x12=> "h:mm AM/PM",
0x13=> "h:mm:ss AM/PM",
0x14=> "h:mm",
0x15=> "h:mm:ss",
0x16=> "m/d/yy h:mm",
0x17=> "0x17",
0x18=> "0x18",
0x19=> "0x19",
0x1a=> "0x1a",
0x1b=> "0x1b",
0x1c=> "0x1c",
0x1d=> "0x1d",
0x1e=> "0x1e",
0x1f=> "0x1f",
0x20=> "0x20",
0x21=> "0x21",
0x22=> "0x22",
0x23=> "0x23",
0x24=> "0x24",
0x25=> "(#,##0_);(#,##0)",
0x26=> "(#,##0_);[Red](#,##0)",
0x27=> "(#,##0.00_);(#,##0.00)",
0x28=> "(#,##0.00_);[Red](#,##0.00)",
0x29=> "_(*#,##0_);_(*(#,##0);_(* \"-\"_);_(@_)",
0x2a=> "_($*#,##0_);_($*(#,##0);_($* \"-\"_);_(@_)",
0x2b=> "_(*#,##0.00_);_(*(#,##0.00);_(*\"-\"??_);_(@_)",
0x2c=> "_($*#,##0.00_);_($*(#,##0.00);_($*\"-\"??_);_(@_)",
0x2d=> "mm:ss",
0x2e=> "[h]:mm:ss",
0x2f=> "mm:ss.0",
0x30=> "##0.0E+0",
0x31=> "@");
$this->dbglog->dump($ret,"\$ret");
$this->dbglog->trace("populateFormat() function return");
return $ret;
}function xls2tstamp($date) {
$date=$date>25568?$date:25569;
$ofs=(70 * 365 + 17+2) * 86400;
return ($date * 86400) - $ofs;
}function getDateArray($date) {
return ExcelDateUtil::getDateArray($date);
}function isDateFormat($val){
$f_i=$this->xf['format'][$val];
if(preg_match("/[m|d|y]/i",$this->format[$f_i])!=0){
if(strrpos($this->format[$f_i],'[')!=FALSE) {
$tmp = preg_replace("/(\[\/?)(\w+)([^\]]*\])/","'\\1'.''.'\\3'",$this->format[$f_i]);
if(preg_match("/[m|d|y]/i",$tmp)!=0)
return TRUE;
else
return FALSE;
} else {
return TRUE;
}} else
return FALSE;
}function getUnicodeString($str,$ofs){
$size=0;
$i_ofs=0;
return substr($str,$ofs+$i_ofs+1,$size);
}function getByteString($str,$ofs){
$size=0;
$i_ofs=0;
$size=ord($str[$ofs]);
$i_ofs=1;
}
function get_blocks_chain($start,$small_fat=false) {
$this->dbglog->trace("get_blocks_chain(".var_export($start,true).",".var_export($small_fat,true).") function call ");
$chain = array();
$next_block = $start;
if( !$small_fat ) {
while( ($next_block!=0xfffffffe) &&
($next_block <= $this->max_blocks) &&
($next_block < count($this->fat)) )
{
$chain[] = $next_block;
$next_block = $this->fat[$next_block];
}} else {
while( ($next_block!=0xfffffffe) &&
($next_block <= $this->max_sblocks) &&
($next_block < count($this->sfat)) )
{
$chain[] = $next_block;
$next_block = $this->sfat[$next_block];
}}if( $next_block != 0xfffffffe )
return false;
$this->dbglog->dump($chain,"\$chain");
$this->dbglog->trace("get_blocks_chain() function return");
return $chain;
}
function find_stream( $dir, $item_name,$item_num=0) {
$this->dbglog->trace("find_stream(".var_export($dir,true).",".var_export($item_name,true).",".var_export($item_num,true).") function call ");
$dt = $dir->getOrd( $item_num * 0x80 + 0x42 );
$prev = $dir->getLong( $item_num * 0x80 + 0x44 );
$next = $dir->getLong( $item_num * 0x80 + 0x48 );
$dir_ = $dir->getLong( $item_num * 0x80 + 0x4c );
$curr_name = '';
if( ($dt==2) || ($dt==5) )
for( $i=0;
$i < ( $dir->getOrd( $item_num * 0x80 + 0x40 ) +
256 * $dir->getOrd( $item_num * 0x80 + 0x41 ) )/2-1;
$i++ )
$curr_name .= $dir->getByte( $item_num * 0x80 + $i * 2 );
if( (($dt==2) || ($dt==5)) && (strcmp($curr_name,$item_name)==0) ){
$this->dbglog->trace("find_stream() function return with ".var_export($item_num,true));
return $item_num;
}if( $prev != 0xffffffff ) {
$i = $this->find_stream( $dir, $item_name, $prev);
if( $i>=0 ){
$this->dbglog->trace("find_stream() function return with ".var_export($i,true));
return $i;
}}if( $next != 0xffffffff ) {
$i = $this->find_stream( $dir, $item_name, $next);
if( $i>=0 ){
$this->dbglog->trace("find_stream() function return with ".var_export($i,true));
return $i;
}}if( $dir_ != 0xffffffff ) {
$i = $this->find_stream( $dir, $item_name, $dir_ );
if( $i>=0 ) {
$this->dbglog->trace("find_stream() function return with ".var_export($i,true));
return $i;
}} $this->dbglog->trace("find_stream() function return with -1");
return -1;
}function rk_decode($rk) {
$this->dbglog->trace("rk_decode(".var_export($rk,true).") function call");
$res = array();
if( $rk & 2 ) {
$val = ($rk & 0xfffffffc) >> 2;
if( $rk & 1 ) $val = $val / 100;
if (((float)$val) == floor((float)$val)){
$res['val'] = (int)$val;
$res['type'] = 1;
} else {
$res['val'] = (float)$val;
$res['type'] = 2;
}} else {
$res['type'] = 2;
$frk = $rk;
$fexp = (($frk & 0x7ff00000) >> 20) - 1023;
$val = 1+(($frk & 0x000fffff) >> 2)/262144;
if( $fexp > 0 ) {
for( $i=0; $i<$fexp; $i++ )
$val *= 2;
} else {
if( $fexp==-1023 ) {
$val=0;
} else {
for( $i=0; $i<abs($fexp); $i++ )
$val /= 2;
}}if( $rk & 1 ) $val = $val / 100;
if( $rk & 0x80000000 ) $val = -$val;
$res['val'] = (float)$val;
}$this->dbglog->trace("rk_decode() function returns");
return $res;
}
function parse_worksheet($ws) {
$this->dbglog->debug("parse_worksheet(DATA) function");
if( strlen($ws) <= 0 ){
$this->dbglog->trace("parse_worksheet() function returns 7 (Data not Found)");
return 7;
}if( strlen($ws) < 4 ){
$this->dbglog->trace("parse_worksheet() function returns 6 (File Corrupted)");
return 6;
}
if( strlen($ws) < 256*ord($ws[3])+ord($ws[2]) ) return 6;
if( ord($ws[0]) != 0x09 ) return 6;
$vers = ord($ws[1]);
if( ($vers!=0) && ($vers!=2) && ($vers!=4) && ($vers!=8) )
return 8;
if( $vers!=8 ) {
$biff_ver = ($ver+4)/2;
} else {
if( strlen($ws) < 12 ) return 6;
switch( ord($ws[4])+256*ord($ws[5]) ) {
case 0x0500:
if( ord($ws[0x0a])+256*ord($ws[0x0b]) < 1994 ) {
$biff_ver = 5;
} else {
switch(ord( $ws[8])+256*ord($ws[9]) ) {
case 2412:
case 3218:
case 3321:
$this->dbglog->debug("Parsed BIFF version is 5");
$biff_ver = 5;
break;
default:
$this->dbglog->debug("Parsed BIFF version is 7");
$biff_ver = 7;
break;
}}break;
case 0x0600:
$this->dbglog->debug("Parsed BIFF version is 8");
$biff_ver = 8;
break;
default:
return 8;
}}if( $biff_ver < 5 ) {
$this->dbglog->debug("parse_worksheet() function found ($biff_ver < 5) return 8");
return 8;
}$ptr = 0;
$data = array('biff_version' => $biff_ver );
while( (ord($ws[$ptr])!=0x0a) && ($ptr<strlen($ws)) ) {
switch (ord($ws[$ptr])+256*ord($ws[$ptr+1])) {
case 0x0203:
$this->dbglog->trace("found NUMBER");
if( ($biff_ver < 3) ){
$this->dbglog->trace("$biff_ver < 3 break;");
break;
}if( (ord($ws[$ptr+2])+256*ord($ws[$ptr+3])) < 14 ){
$this->dbglog->debug("parse_worksheet() return 6");
return 6;
}$row = ord($ws[$ptr+4])+256*ord($ws[$ptr+5]);
$col = ord($ws[$ptr+6])+256*ord($ws[$ptr+7]);
$num_lo = ExcelParserUtil::str2long(substr($ws,$ptr+10,4));
$num_hi = ExcelParserUtil::str2long(substr($ws,$ptr+14,4));
$xf_i = ord($ws[$ptr+8])+256*ord($ws[$ptr+9]);
if($this->isDateFormat($xf_i)){
$data['cell'][$row][$col]['type'] = 3;
} else {
$data['cell'][$row][$col]['type'] = 2;
}$fonti = $this->xf['font'][$xf_i];
$data['cell'][$row][$fc+$i]['font'] = $fonti;
$fexp = (($num_hi & 0x7ff00000) >> 20) - 1023;
$val = 1+(($num_hi & 0x000fffff)+$num_lo/4294967296)/1048576;
if( $fexp > 0 ) {
for( $i=0; $i<$fexp; $i++ )
$val *= 2;
} else {
for( $i=0; $i<abs($fexp); $i++ )
$val /= 2;
}if( $num_hi & 0x80000000 ) $val = -$val;
$data['cell'][$row][$col]['data'] = (float)$val;
if( !isset($data['max_row']) ||
($data['max_row'] < $row) )
$data['max_row'] = $row;
if( !isset($data['max_col']) ||
($data['max_col'] < $col) )
$data['max_col'] = $col;
break;
case 0x027e:
$this->dbglog->trace("found RK");
if( ($biff_ver < 3) ) break;
if( (ord($ws[$ptr+2])+256*ord($ws[$ptr+3])) < 0x0a )
return 6;
$row = ord($ws[$ptr+4])+256*ord($ws[$ptr+5]);
$col = ord($ws[$ptr+6])+256*ord($ws[$ptr+7]);
$xf_i = ord($ws[$ptr+8])+256*ord($ws[$ptr+9]);
$val = $this->rk_decode(
ExcelParserUtil::str2long(substr($ws,$ptr+10,4))
);
if($this->isDateFormat($xf_i)==TRUE){
$data['cell'][$row][$col]['type'] = 3;
} else {
$data['cell'][$row][$col]['type'] = $val['type'];
}$fonti = $this->xf['font'][$xf_i];
$data['cell'][$row][$col]['font'] = $fonti;
$data['cell'][$row][$col]['data'] = $val['val'];
if( !isset($data['max_row']) ||
($data['max_row'] < $row) )
$data['max_row'] = $row;
if( !isset($data['max_col']) ||
($data['max_col'] < $col) )
$data['max_col'] = $col;
break;
case 0x00bd:
$this->dbglog->trace("found MULL RK");
if( ($biff_ver < 5) ) break;
$sz = ord($ws[$ptr+2])+256*ord($ws[$ptr+3]);
if( $sz < 6 ) return 6;
$row = ord($ws[$ptr+4])+256*ord($ws[$ptr+5]);
$fc = ord($ws[$ptr+6])+256*ord($ws[$ptr+7]);
$lc = ord($ws[$ptr+$sz+2])+256*ord($ws[$ptr+$sz+3]);
for( $i=0; $i<=$lc-$fc; $i++) {
$val = $this->rk_decode(
ExcelParserUtil::str2long(substr($ws,$ptr+10+$i*6,4))
);
$xf_i=ord($ws[$ptr+8+$i*6])+256*ord($ws[($ptr+9+$i*6)]);
if($this->isDateFormat($xf_i)==TRUE) {
$data['cell'][$row][$fc+$i]['type'] = 3;
} else {
$data['cell'][$row][$fc+$i]['type'] = $val['type'];
} $fonti = $this->xf['font'][$xf_i];
$data['cell'][$row][$fc+$i]['font'] = $fonti;
$data['cell'][$row][$fc+$i]['data'] = $val['val'];
}if( !isset($data['max_row']) ||
($data['max_row'] < $row) )
$data['max_row'] = $row;
if( !isset($data['max_col']) ||
($data['max_col'] < $lc) )
$data['max_col'] = $lc;
break;
case 0x0204:
$this->dbglog->trace("found LABEL");
if( ($biff_ver < 3) ){
break;
}if( (ord($ws[$ptr+2])+256*ord($ws[$ptr+3])) < 8 ){
return 6;
}$row = ord($ws[$ptr+4])+256*ord($ws[$ptr+5]);
$col = ord($ws[$ptr+6])+256*ord($ws[$ptr+7]);
$xf = ord($ws[$ptr+8])+256*ord($ws[$ptr+9]);
$fonti = $this->xf['font'][$xf];
$font = $this->fonts[$fonti];
$str_len = ord($ws[$ptr+10])+256*ord($ws[$ptr+11]);
if( $ptr+12+$str_len > strlen($ws) )
return 6;
$this->sst['unicode'][] = false;
$this->sst['data'][] = substr($ws,$ptr+12,$str_len);
$data['cell'][$row][$col]['type'] = 0;
$sst_ind = count($this->sst['data'])-1;
$data['cell'][$row][$col]['data'] = $sst_ind;
$data['cell'][$row][$col]['font'] = $fonti;
if( !isset($data['max_row']) ||
($data['max_row'] < $row) )
$data['max_row'] = $row;
if( !isset($data['max_col']) ||
($data['max_col'] < $col) )
$data['max_col'] = $col;
break;
case 0x00fd:
if( $biff_ver < 8 ) break;
if( (ord($ws[$ptr+2])+256*ord($ws[$ptr+3])) < 0x0a )
return 6;
$row = ord($ws[$ptr+4])+256*ord($ws[$ptr+5]);
$col = ord($ws[$ptr+6])+256*ord($ws[$ptr+7]);
$xf = ord($ws[$ptr+8])+256*ord($ws[$ptr+9]);
$fonti = $this->xf['font'][$xf];
$font = &$this->fonts[$fonti];
$data['cell'][$row][$col]['type'] = 0;
$sst_ind = ExcelParserUtil::str2long(substr($ws,$ptr+10,4));
$data['cell'][$row][$col]['data'] = $sst_ind;
$data['cell'][$row][$col]['font'] = $fonti;
if( !isset($data['max_row']) ||
($data['max_row'] < $row) )
$data['max_row'] = $row;
if( !isset($data['max_col']) ||
($data['max_col'] < $col) )
$data['max_col'] = $col;
break;
default:
break;
} $ptr += 4+256*ord($ws[$ptr+3])+ord($ws[$ptr+2]);
} $this->dbglog->debug("parse_worksheet() function returns ".var_export($data,true)); /*DEBUG*/
return $data;
}
function parse_workbook( $f_header, $dp ) {
$this->dbglog->debug("parse_workbook() function");
$root_entry_block = $f_header->getLong(0x30);
$num_fat_blocks = $f_header->getLong(0x2c);
$this->dbglog->trace("Header parsed");
$this->fat = array();
for( $i = 0; $i < $num_fat_blocks; $i++ ){
$this->dbglog->trace("FOR LOOP iteration i =".$i);
$fat_block = $f_header->getLong( 0x4c + 4 * $i );
$fatbuf = $dp->get( $fat_block * 0x200, 0x200 );
$fat = new DataProvider( $fatbuf, DP_STRING_SOURCE );
if( $fat->getSize() < 0x200 ){
$this->dbglog->debug("parse_workbook() function found (strlen($fat) < 0x200) returns 6");
return 6;
}for( $j=0; $j<0x80; $j++ )
$this->fat[] = $fat->getLong( $j * 4 );
$fat->close();
unset( $fat_block, $fatbuf, $fat );
} $this->dbglog->dump( $this->fat, "\$fat" );
if( count($this->fat) < $num_fat_blocks ) {
$this->dbglog->debug("parse_workbook() function found (count($this->fat) < $num_fat_blocks) returns 6");
return 6;
}$chain = $this->get_blocks_chain($root_entry_block);
$dir = new DataProvider( $dp->ReadFromFat( $chain ), DP_STRING_SOURCE );
unset( $chain );
$this->sfat = array();
$small_block = $f_header->getLong( 0x3c );
if( $small_block != 0xfeffffff ) {
$root_entry_index = $this->find_stream( $dir, 'Root Entry');
if( $root_entry_index < 0 ) {
$this->dbglog->debug("parse_workbook() function dont found Root Entry returns 6");
return 6;
}
$sdc_start_block = $dir->getLong( $root_entry_index * 0x80 + 0x74 );
$small_data_chain = $this->get_blocks_chain($sdc_start_block);
$this->max_sblocks = count($small_data_chain) * 8;
$schain = $this->get_blocks_chain($small_block);
for( $i = 0; $i < count( $schain ); $i++ ) {
$sfatbuf = $dp->get( $schain[$i] * 0x200, 0x200 );
$sfat = new DataProvider( $sfatbuf, DP_STRING_SOURCE );
if( $sfat->getSize() < 0x200 ) {
$this->dbglog->debug("parse_workbook() function found (strlen($sfat) < 0x200) returns 6");
return 6;
}
for( $j=0; $j<0x80; $j++ )
$this->sfat[] = $sfat->getLong( $j * 4 );
$sfat->close();
unset( $sfatbuf, $sfat );
} unset( $schain );
$sfcbuf = $dp->ReadFromFat( $small_data_chain );
$sdp = new DataProvider( $sfcbuf, DP_STRING_SOURCE );
unset( $sfcbuf, $small_data_chain );
}$workbook_index = $this->find_stream( $dir, 'Workbook' );
if( $workbook_index<0 ) {
$workbook_index = $this->find_stream( $dir, 'Book' );
if( $workbook_index<0 ){
$this->dbglog->debug("parse_workbook() function workbook index not found returns 7");
return 7;
}}$workbook_start_block = $dir->getLong( $workbook_index * 0x80 + 0x74 );
$workbook_length = $dir->getLong( $workbook_index * 0x80 + 0x78 );
$wb = '';
if( $workbook_length > 0 ) {
if( $workbook_length >= 0x1000 ) {
$chain = $this->get_blocks_chain($workbook_start_block);
$wb = $dp->ReadFromFat( $chain );
} else {
$chain = $this->get_blocks_chain($workbook_start_block,true);
$wb = $sdp->ReadFromFat( $chain, 0x40 );
unset( $sdp );
}$wb = substr($wb,0,$workbook_length);
if( strlen($wb) != $workbook_length )
return 6;
unset( $chain );
}
unset( $this->fat, $this->sfat );
if( strlen($wb) <= 0 ) {
$this->dbglog->debug("parse_workbook() function workbook found (strlen($wb) <= 0) returns 7");
return 7;
}if( strlen($wb) < 4 ) {
$this->dbglog->debug("parse_workbook() function workbook found (strlen($wb) < 4) returns 6");
return 6;
}
if( strlen($wb) < 256*ord($wb[3])+ord($wb[2]) ){
$this->dbglog->debug("parse_workbook() function workbook found (strlen($wb) < 256*ord($wb[3])+ord($wb[2])) < 4) returns 6");
return 6;
}if( ord($wb[0]) != 0x09 ){
$this->dbglog->debug("parse_workbook() function workbook found (ord($wb[0]) != 0x09) returns 6");
return 6;
}$vers = ord($wb[1]);
if( ($vers!=0) && ($vers!=2) && ($vers!=4) && ($vers!=8) ){
return 8;
}if( $vers!=8 )
$biff_ver = ($ver+4)/2;
else {
if( strlen($wb) < 12 ) return 6;
switch( ord($wb[4])+256*ord($wb[5]) )
{
case 0x0500:
if( ord($wb[0x0a])+256*ord($wb[0x0b]) < 1994 )
$biff_ver = 5;
else {
switch(ord( $wb[8])+256*ord($wb[9]) ) {
case 2412:
case 3218:
case 3321:
$biff_ver = 5;
break;
default:
$biff_ver = 7;
break;
}}break;
case 0x0600:
$biff_ver = 8;
break;
default:
return 8;
}}if( $biff_ver < 5 ) return 8;
$ptr = 0;
$this->worksheet['offset'] = array();
$this->worksheet['options'] = array();
$this->worksheet['unicode'] = array();
$this->worksheet['name'] = array();
$this->worksheet['data'] = array();
$this->format = $this->populateFormat();
$this->fonts = array();
$this->fonts[0] = ExcelFont::basicFontRecord();
$this->xf = array();
$this->xf['format'] = array();
$this->xf['font'] = array();
$this->xf['type_prot'] = array();
$this->xf['alignment'] = array();
$this->xf['decoration'] = array();
$xf_cnt=0;
$this->sst['unicode'] = array();
$this->sst['data'] = array();
$opcode = 0;
$sst_defined = false;
$wblen = strlen($wb);
while( (ord($wb[$ptr])!=0x0a) && ($ptr<$wblen) )
{
$oc = ord($wb[$ptr])+256*ord($wb[$ptr+1]);
if( $oc != 0x3c )
$opcode = $oc;
switch ($opcode)
{
case 0x0085:
$ofs = ExcelParserUtil::str2long(substr($wb,$ptr+4,4));
$this->worksheet['offset'][] = $ofs;
$this->worksheet['options'][] = ord($wb[$ptr+8])+256*ord($wb[$ptr+9]);
if( $biff_ver==8 ) {
$len = ord($wb[$ptr+10]);
if( (ord($wb[$ptr+11]) & 1) > 0 ) {
$this->worksheet['unicode'][] = true;
$len = $len*2;
} else {
$this->worksheet['unicode'][] = false;
} $this->worksheet['name'][] = substr($wb,$ptr+12,$len);
} else {
$this->worksheet['unicode'][] = false;
$len = ord($wb[$ptr+10]);
$this->worksheet['name'][] = substr($wb,$ptr+11,$len);
}$pws = $this->parse_worksheet(substr($wb,$ofs));
if( is_array($pws) )
$this->worksheet['data'][] = $pws;
else
return $pws;
break;
case 0x041e:
$fidx = ord($wb[$ptr+4])+256*ord($wb[$ptr+5]);
if($fidx<0x31 ||$fidx==0x31 )
break;
elseif($biff_ver>7)
$this->format[$fidx] = $this->getUnicodeString($wb,$ptr+6);
break;
case EXCEL_FONT_RID:
$rec = ExcelFont::getFontRecord($wb,$ptr+4);
$this->fonts[count($this->fonts)] = $rec;
break;
case 0x00e0:
$this->xf['font'][$xf_cnt] = ord($wb[$ptr+4])+256*ord($wb[$ptr+5]);
$this->xf['format'][$xf_cnt] = ord($wb[$ptr+6])+256*ord($wb[$ptr+7]);
$this->xf['type'][$xf_cnt] = "1";
$this->xf['bitmask'][$xf_cnt] = "1";
$xf_cnt++;
break;
case 0x00fc:
if( $biff_ver < 8 ) break;
$sbuflen = ord($wb[$ptr+2]) + 256*ord($wb[$ptr+3]);
if( $oc != 0x3c ) {
if( $sst_defined ) return 6;
$snum = ExcelParserUtil::str2long(substr($wb,$ptr+8,4));
$sptr = $ptr+12;
$sst_defined = true;
} else {
if( $rslen > $slen ) {
$sptr = $ptr+4;
$rslen -= $slen;
$slen = $rslen;
if( (ord($wb[$sptr]) & 1) > 0 ) {
if( $char_bytes == 1 ) {
$sstr = '';
for( $i=0; $i<strlen($str); $i++ )
$sstr .= $str[$i].chr(0);
$str = $sstr;
$char_bytes=2;
} $schar_bytes = 2;
} else {
$schar_bytes = 1;
}if( $sptr+$slen*$schar_bytes > $ptr+4+$sbuflen )
$slen = ($ptr+$sbuflen-$sptr+3)/$schar_bytes;
$sstr = substr($wb,$sptr+1,$slen*$schar_bytes);
if( ($char_bytes == 2) && ($schar_bytes == 1) )
{
$sstr2 = '';
for( $i=0; $i<strlen($sstr); $i++ )
$sstr2 .= $sstr[$i].chr(0);
$sstr = $sstr2;
}$str .= $sstr;
$sptr += $slen*$schar_bytes+1+4*$rt+$fesz;
if( $slen < $rslen ) {
if( ($sptr >= strlen($wb)) ||
($sptr < $ptr+4+$sbuflen) ||
(ord($wb[$sptr]) != 0x3c) )
{
return 6;
}break;
} else {
if( $char_bytes == 2 ) {
$this->sst['unicode'][] = true;
} else {
$this->sst['unicode'][] = false;
}$this->sst['data'][] = $str;
$snum--;
} } else {
$sptr = $ptr+4;
if( $sptr > $ptr ) $sptr += 4*$rt+$fesz;
}}while( ($sptr < $ptr+4+$sbuflen) &&
($sptr < strlen($wb)) &&
($snum > 0) )
{
$rslen = ord($wb[$sptr])+256*ord($wb[$sptr+1]);
$slen = $rslen;
if( (ord($wb[$sptr+2]) & 1) > 0 ) {
$char_bytes = 2;
} else {
$char_bytes = 1;
} $rt = 0;
$fesz = 0;
switch (ord($wb[$sptr+2]) & 0x0c) {
case 0x0c:
$rt = ord($wb[$sptr+3])+256*(ord($wb[$sptr+4]));
$fesz = ExcelParserUtil::str2long(substr($wb,$sptr+5,4));
if( $sptr+9+$slen*$char_bytes > $ptr+4+$sbuflen )
$slen = ($ptr+$sbuflen-$sptr-5)/$char_bytes;
$str = substr($wb,$sptr+9,$slen*$char_bytes);
$sptr += $slen*$char_bytes+9;
break;
case 8:
$rt = ord($wb[$sptr+3])+256*(ord($wb[$sptr+4]));
if( $sptr+5+$slen*$char_bytes > $ptr+4+$sbuflen )
$slen = ($ptr+$sbuflen-$sptr-1)/$char_bytes;
$str = substr($wb,$sptr+5,$slen*$char_bytes);
$sptr += $slen*$char_bytes+5;
break;
case 4:
$fesz = ExcelParserUtil::str2long(substr($wb,$sptr+3,4));
if( $sptr+7+$slen*$char_bytes > $ptr+4+$sbuflen )
$slen = ($ptr+$sbuflen-$sptr-3)/$char_bytes;
$str = substr($wb,$sptr+7,$slen*$char_bytes);
$sptr += $slen*$char_bytes+7;
break;
case 0:
if( $sptr+3+$slen*$char_bytes > $ptr+4+$sbuflen )
$slen = ($ptr+$sbuflen-$sptr+1)/$char_bytes;
$str = substr($wb,$sptr+3,$slen*$char_bytes);
$sptr += $slen*$char_bytes+3;
break;
} if( $slen < $rslen ) {
if( ($sptr >= strlen($wb)) ||
($sptr < $ptr+4+$sbuflen) ||
(ord($wb[$sptr]) != 0x3c) ) return 6;
} else {
if( $char_bytes == 2 ) {
$this->sst['unicode'][] = true;
} else {
$this->sst['unicode'][] = false;
}$sptr += 4*$rt+$fesz;
$this->sst['data'][] = $str;
$snum--;
}}
break;
}
$ptr += 4+256*ord($wb[$ptr+3])+ord($wb[$ptr+2]);
}
$this->biff_version = $biff_ver;
$this->dbglog->debug("parse_workbook() function returns 0");
return 0;
}
function ParseFromString( $contents )
{
$this->dbglog->info("ParseFromString() enter.");
$this->dp = new DataProvider( $contents, DP_STRING_SOURCE );
return $this->InitParser();
}function ParseFromFile( $filename )
{
$this->dbglog->info("ParseFromFile() enter.");
$this->dp = new DataProvider( $filename, DP_FILE_SOURCE );
return $this->InitParser();
}function InitParser()
{
$this->dbglog->info("InitParser() enter.");
if( !$this->dp->isValid() )
{
$this->dbglog->error("InitParser() Failed to open file.");
$this->dbglog->error("InitParser() function returns 1");
return 1;
}if( $this->dp->getSize() <= 0x200 )
{
$this->dbglog->error("InitParser() File too small to be an Excel file.");
$this->dbglog->error("InitParser() function returns 2");
return 2;
}$this->max_blocks = $this->dp->getBlocks();
$hdrbuf = $this->dp->get( 0, 0x200 );
if( strlen( $hdrbuf ) < 0x200 )
{
$this->dbglog->error("InitParser() Error reading header.");
$this->dbglog->error("InitParser() function returns 3");
return 3;
}
$header_sig = array(0xd0,0xcf,0x11,0xe0,0xa1,0xb1,0x1a,0xe1);
for( $i = 0; $i < count($header_sig); $i++ )
if( $header_sig[$i] != ord( $hdrbuf[$i] ) ){
$this->dbglog->error("InitParser() function founds invalid header");
$this->dbglog->error("InitParser() function returns 5");
return 5;
}$f_header = new DataProvider( $hdrbuf, DP_STRING_SOURCE );
unset( $hdrbuf, $header_sig, $i );
$this->dp->_baseOfs = 0x200;
$rc = $this->parse_workbook( $f_header, $this->dp );
unset( $f_header );
unset( $this->dp, $this->max_blocks, $this->max_sblocks );
return $rc;
}}
function unescape($str) {
$str = rawurldecode($str);
preg_match_all("/(?:%u.{4})|&#x.{4};|&#\d+;|.+/U",$str,$r);
$ar = $r[0];
foreach($ar as $k=>$v) {
if(substr($v,0,2) == "%u")
$ar[$k] = iconv("UCS-2","GB2312",pack("H4",substr($v,-4)));
elseif(substr($v,0,3) == "&#x")
$ar[$k] = iconv("UCS-2","GB2312",pack("H4",substr($v,3,-1)));
elseif(substr($v,0,2) == "&#") {
$ar[$k] = iconv("UCS-2","GB2312",pack("n",substr($v,2,-1)));
}
}
return join("",$ar);
}
function uc2html($str) {
$ret = '';
for( $i=0; $i<strlen($str)/2; $i++ ) {
$charcode = ord($str[$i*2])+256*ord($str[$i*2+1]);
$ret .= '&#'.$charcode.';';
}return $ret;
}
function Read_Excel_File($ExcelFile,&$result) {
$exc = new ExcelFileParser("", ABC_NO_LOG );
$res=$exc->ParseFromFile($ExcelFile);$result=null;
switch ($res) {
case 0: break;
case 1: $err="无法打开文件"; break;
case 2: $err="文件太小,可能不是Excel文件"; break;
case 3: $err="文件头读取错误"; break;
case 4: $err="读取文件时出错"; break;
case 5: $err="这不是一个Excel文件或者是Excel5.0以前版本文件"; break;
case 6: $err="文件损坏"; break;
case 7: $err="在文件中没有发现Excel数据"; break;
case 8: $err="不支持的文件版本"; break;
default:
$err="未知错误"; break;
}
for( $ws_num=0; $ws_num<count($exc->worksheet['name']); $ws_num++ )
{
$Sheetname=$exc->worksheet['name'][$ws_num];
$ws = $exc->worksheet['data'][$ws_num];
for( $j=0; $j<=$ws['max_row']; $j++ ) {
for( $i=0; $i<=$ws['max_col']; $i++ ) {
$data = $ws['cell'][$j][$i];
switch ($data['type']) {
case 0:
$ind = $data['data'];
if( $exc->sst['unicode'][$ind] ) {
$s = unescape(uc2html($exc->sst['data'][$ind]));
} else
$s = $exc->sst['data'][$ind];
if( strlen(trim($s))==0 )
$V="";
else
$V=$s;
break;
case 1:
$V=(int)($data['data']);
break;
case 2:
$V=(float)($data['data']);
break;
case 3:
$ret = $exc->getDateArray($data['data']);
$V=$ret['year']."-".$ret['month']."-".$ret['day']." ".$ret['hour'];
break;
default:
break;
}
$result[$Sheetname][$j][$i]=$V;
}
}
}
if ($err=='') {return 0;} else {return $err;}
}
?>
用法示例:
<?php
Class_Scroll::_Print($_SERVER['PHP_SELF'],1234,$_GET['Page'],10,$_SERVER['QUERY_STRING'],"Page",9,true);
?>
<?php
/**
* 实现滚动栏的类
*
* 根据页面内容,数据量,生成一个用来显示/控制的页面滚动栏.
* <code>
* Class_Scroll::_Print($_SERVER['PHP_SELF'],1234,$_GET['Page'],10,$_SERVER['QUERY_STRING'],"Page",9,true);
* </code>
*
* @author 周贝晨 2006-7-16
* @version 2.1
*
* @todo 生成一个页面内容滚动栏
*/
class Class_Scroll{
/**
* 输出页面滚动栏
*
* @param string $AScriptName 要进行滚动的页面
* @param integer $ATotalCount 滚动信息的总数
* @param integer $ANowPageID 当前页号
* @param integer $AInnerCount 每页内的信息数
* @param string $AVar 需要附带的其它变量及其值
* @param string $APageKey 用来指定页号的变量名
* @param integer $APageBundle 滚动栏显示的页数批示最大值
* @param boolean $IncJump 是否显示页面跳转下拉单(默认:true)
* @return string 页面滚动栏的HTML代码
*/
function _Print($AScriptName,$ATotalCount,$ANowPageID,$AInnerCount,$AVar,$APageKey="Page",$APageBundle=9,$IncJump = true){
// 没有项目
if( $ATotalCount == 0 or $ATotalCount == "") return "没有相关内容.";//"No Item Here.";
// 计算总页数
$PageCount = ceil($ATotalCount / $AInnerCount);
// 检查控制当前页码值
if($ANowPageID < 1) $ANowPageID = 1;
if($ANowPageID > $PageCount) $ANowPageID = $PageCount;
// 确定当然要显示的数码链接值
$StartNum = ($ANowPageID - floor($APageBundle / 2)) > 0 ? ($ANowPageID - floor($APageBundle / 2)) : 1;
$EndNum = ($PageCount - $StartNum) < $APageBundle ? $PageCount : ($StartNum + $APageBundle - 1);
if((($EndNum - $StartNum) < $APageBundle)&&($PageCount > $APageBundle)) $StartNum = $EndNum - $APageBundle + 1;
// 获得变量
if(strlen($AVar) > 0) $Vars = explode("&",$AVar);
if(count($Vars) > 0){
for($i=0;$i<count($Vars);$i++){
$v = explode("=",$Vars[$i]);
if($v[0]!=$APageKey) $VarString.=sprintf("%s=%s&",$v[0],$v[1]);
}
}
// 首页链接
$OutStringr = sprintf('<a href="%s?%s%s=%s">%s</a>%s',$AScriptName,$VarString,$APageKey,"1","首页","r");
// 上一页链接
$OutStringr .= ($ANowPageID==1) ? " " : sprintf('<a href="%s?%s%s=%s">%s</a>%s',$AScriptName,$VarString,$APageKey,$ANowPageID-1,"上一页","r");
// 中间页链接
for($i = $StartNum; $i <= $EndNum; $i++)
$OutStringr .= ($i==$ANowPageID) ? sprintf("<span class="Currpage">%s</span>%s",$i,"r") : sprintf('<a href="%s?%s%s=%s">%s</a>%s',$AScriptName,$VarString,$APageKey,$i,$i,"r");
// 下一页链接
$OutStringr .= ($ANowPageID==$PageCount) ? " " : sprintf('<a href="%s?%s%s=%s">%s</a>%s',$AScriptName,$VarString,$APageKey,$ANowPageID+1,"下一页","r");
// 尾页链接
$OutStringr .= sprintf('<a href="%s?%s%s=%s">%s</a> 共%s页%s条%s',$AScriptName,$VarString,$APageKey,$PageCount,"尾页",$PageCount,$ATotalCount,"r");
// 跳转链接
if ($IncJump){
$OutStringr .= sprintf("<label>跳至(J): <select name="ScrollJump" accesskey="j" onChange="javascript:if(this.value != 0) document.location='%s?%s%s='+this.value;" id="ScrollJump">%s",$$AScriptName,$VarString,$APageKey,"r");
for($i = 1; $i <= $PageCount; $i++) {
$SelectedStr = ($i == $ANowPageID) ? " selected="selected"" : "";
$OutStringr .= sprintf("<option value="%d"%s>第%d页</option>%s",$i,$SelectedStr,$i,"r");
}
$OutStringr .= "</select></label>";
}
// 输出
return $OutStringr;
}
}
?>
先来看看,例子调用方法:
效果图:
下面来看看代码.先上传类?<?php
/*
TITLE : CLASS Upload
FILE : class.upload.php
DESCRIPTION : To provide upload utility,
AUTHOR : Peng Zhang zpadmin()gmail.com http://blog.neten.de
BASED ON : whxbb whxbb()21cn.com
WRITED : 2005 NOV 20
MODIFIED : 2006 MAR 01
modify by psdshow (psdshow(at)yahoo.com.cn) 2007-11-30
LICENCE : GPL
REVISION : V1.0.2
*/
class Upload{
var $saveName;// 保存名
var $savePath;// 保存路径
var $fileFormat = array('gif','jpg','doc','application/octet-stream');// 文件格式&MIME限定
var $overwrite = 0;// 覆盖模式
var $maxSize = 0;// 文件最大字节
var $ext;// 文件扩展名
var $thumb = 0;// 是否生成缩略图
var $thumbWidth = 130;// 缩略图宽
var $thumbHeight = 130;// 缩略图高
var $thumbPrefix = "_thumb_";// 缩略图前缀
var $errno;// 错误代号
var $returnArray= array();// 所有文件的返回信息
var $returninfo= array();// 每个文件返回信息
// 构造函数
// @param $savePath 文件保存路径
// @param $fileFormat 文件格式限制数组
// @param $maxSize 文件最大尺寸
// @param $overwriet 是否覆盖 1 允许覆盖 0 禁止覆盖
function Upload($savePath, $fileFormat='',$maxSize = 0, $overwrite = 0) {
$this->setSavepath($savePath);
$this->setFileformat($fileFormat);
$this->setMaxsize($maxSize);
$this->setOverwrite($overwrite);
$this->setThumb($this->thumb, $this->thumbWidth,$this->thumbHeight);
$this->errno = 0;
}
// 上传
// @param $fileInput 网页Form(表单)中input的名称
// @param $changeName 是否更改文件名
function run($fileInput,$changeName = 1){
if(isset($_FILES[$fileInput])){
$fileArr = $_FILES[$fileInput];
if(is_array($fileArr['name'])){//上传同文件域名称多个文件
for($i = 0; $i < count($fileArr['name']); $i++){
$ar['tmp_name'] = $fileArr['tmp_name'][$i];
$ar['name'] = $fileArr['name'][$i];
$ar['type'] = $fileArr['type'][$i];
$ar['size'] = $fileArr['size'][$i];
$ar['error'] = $fileArr['error'][$i];
$this->getExt($ar['name']);//取得扩展名,赋给$this->ext,下次循环会更新
$this->setSavename($changeName == 1 ? '' : $ar['name']);//设置保存文件名
if($this->copyfile($ar)){
$this->returnArray[] = $this->returninfo;
}else{
$this->returninfo['error'] = $this->errmsg();
$this->returnArray[] = $this->returninfo;
}
}
return $this->errno ? false : true;
}else{//上传单个文件
$this->getExt($fileArr['name']);//取得扩展名
$this->setSavename($changeName == 1 ? '' : $fileArr['name']);//设置保存文件名
if($this->copyfile($fileArr)){
$this->returnArray[] = $this->returninfo;
}else{
$this->returninfo['error'] = $this->errmsg();
$this->returnArray[] = $this->returninfo;
}
return $this->errno ? false : true;
}
return false;
}else{
$this->errno = 10;
return false;
}
}
// 单个文件上传
// @param $fileArray 文件信息数组
function copyfile($fileArray){
$this->returninfo = array();
// 返回信息
$this->returninfo['name'] = $fileArray['name'];
$this->returninfo['saveName'] = $this->saveName;
$this->returninfo['size'] = number_format( ($fileArray['size'])/1024 , 0, '.', ' ');//以KB为单位
$this->returninfo['type'] = $fileArray['type'];
// 检查文件格式
if (!$this->validateFormat()){
$this->errno = 11;
return false;
}
// 检查目录是否可写
if(!@is_writable($this->savePath)){
$this->errno = 12;
return false;
}
// 如果不允许覆盖,检查文件是否已经存在
//if($this->overwrite == 0 && @file_exists($this->savePath.$fileArray['name'])){
// $this->errno = 13;
// return false;
//}
// 如果有大小限制,检查文件是否超过限制
if ($this->maxSize != 0 ){
if ($fileArray["size"] > $this->maxSize){
$this->errno = 14;
return false;
}
}
// 文件上传
if(!@move_uploaded_file($fileArray["tmp_name"], $this->savePath.$this->saveName)){
$this->errno = $fileArray["error"];
return false;
}elseif( $this->thumb ){// 创建缩略图
$CreateFunction = "imagecreatefrom".($this->ext == 'jpg' ? 'jpeg' : $this->ext);
$SaveFunction = "image".($this->ext == 'jpg' ? 'jpeg' : $this->ext);
if (strtolower($CreateFunction) == "imagecreatefromgif"
&& !function_exists("imagecreatefromgif")) {
$this->errno = 16;
return false;
} elseif (strtolower($CreateFunction) == "imagecreatefromjpeg"
&& !function_exists("imagecreatefromjpeg")) {
$this->errno = 17;
return false;
} elseif (!function_exists($CreateFunction)) {
$this->errno = 18;
return false;
}
$Original = @$CreateFunction($this->savePath.$this->saveName);
if (!$Original) {$this->errno = 19; return false;}
$originalHeight = ImageSY($Original);
$originalWidth = ImageSX($Original);
$this->returninfo['originalHeight'] = $originalHeight;
$this->returninfo['originalWidth'] = $originalWidth;
/*
if (($originalHeight < $this->thumbHeight
&& $originalWidth < $this->thumbWidth)) {
// 如果比期望的缩略图小,那只Copy
move_uploaded_file($this->savePath.$this->saveName,
$this->savePath.$this->thumbPrefix.$this->saveName);
} else {
if( $originalWidth > $this->thumbWidth ){// 宽 > 设定宽度
$thumbWidth = $this->thumbWidth ;
$thumbHeight = $this->thumbWidth * ( $originalHeight / $originalWidth );
if($thumbHeight > $this->thumbHeight){// 高 > 设定高度
$thumbWidth = $this->thumbHeight * ( $thumbWidth / $thumbHeight );
$thumbHeight = $this->thumbHeight ;
}
}elseif( $originalHeight > $this->thumbHeight ){// 高 > 设定高度
$thumbHeight = $this->thumbHeight ;
$thumbWidth = $this->thumbHeight * ( $originalWidth / $originalHeight );
if($thumbWidth > $this->thumbWidth){// 宽 > 设定宽度
$thumbHeight = $this->thumbWidth * ( $thumbHeight / $thumbWidth );
$thumbWidth = $this->thumbWidth ;
}
}
*/
$radio=max(($originalWidth/$this->thumbWidth),($originalHeight/$this->thumbHeight));
$thumbWidth=(int)$originalWidth/$radio;
$thumbHeight=(int)$originalHeight/$radio;
if ($thumbWidth == 0) $thumbWidth = 1;
if ($thumbHeight == 0) $thumbHeight = 1;
$createdThumb = imagecreatetruecolor($thumbWidth, $thumbHeight);
if ( !$createdThumb ) {$this->errno = 20; return false;}
if ( !imagecopyresampled($createdThumb, $Original, 0, 0, 0, 0,
$thumbWidth, $thumbHeight, $originalWidth, $originalHeight) )
{$this->errno = 21; return false;}
if ( !$SaveFunction($createdThumb,
$this->savePath.$this->thumbPrefix.$this->saveName) )
{$this->errno = 22; return false;}
}
// 删除临时文件
/*
if(!@$this->del($fileArray["tmp_name"])){
return false;
}
*/
return true;
}
// 文件格式检查,MIME检测
function validateFormat(){
if(!is_array($this->fileFormat)
|| in_array(strtolower($this->ext), $this->fileFormat)
|| in_array(strtolower($this->returninfo['type']), $this->fileFormat) )
return true;
else
return false;
}
// 获取文件扩展名
// @param $fileName 上传文件的原文件名
function getExt($fileName){
$ext = explode(".", $fileName);
$ext = $ext[count($ext) - 1];
$this->ext = strtolower($ext);
}
// 设置上传文件的最大字节限制
// @param $maxSize 文件大小(bytes) 0:表示无限制
function setMaxsize($maxSize){
$this->maxSize = $maxSize;
}
// 设置文件格式限定
// @param $fileFormat 文件格式数组
function setFileformat($fileFormat){
if(is_array($fileFormat)){$this->fileFormat = $fileFormat ;}
}
// 设置覆盖模式
// @param overwrite 覆盖模式 1:允许覆盖 0:禁止覆盖
function setOverwrite($overwrite){
$this->overwrite = $overwrite;
}
// 设置保存路径
// @param $savePath 文件保存路径:以 "/" 结尾,若没有 "/",则补上
function setSavepath($savePath){
$this->savePath = substr( str_replace("\\","/", $savePath) , -1) == "/"
? $savePath : $savePath."/";
}
// 设置缩略图
// @param $thumb = 1 产生缩略图 $thumbWidth,$thumbHeight 是缩略图的宽和高
function setThumb($thumb, $thumbWidth = 0,$thumbHeight = 0){
$this->thumb = $thumb;
if($thumbWidth) $this->thumbWidth = $thumbWidth;
if($thumbHeight) $this->thumbHeight = $thumbHeight;
}
// 设置文件保存名
// @param $saveName 保存名,如果为空,则系统自动生成一个随机的文件名
function setSavename($saveName){
if ($saveName == ''){ // 如果未设置文件名,则生成一个随机文件名
$name = date('YmdHis')."_".rand(100,999).'.'.$this->ext;
//判断文件是否存在,不允许重复文件
if(file_exists($this->savePath . $name)){
$name = setSavename($saveName);
}
} else {
$name = $saveName;
}
$this->saveName = $name;
}
// 删除文件
// @param $fileName 所要删除的文件名
function del($fileName){
if(!@unlink($fileName)){
$this->errno = 15;
return false;
}
return true;
}
// 返回上传文件的信息
function getInfo(){
return $this->returnArray;
}
// 得到错误信息
function errmsg(){
$uploadClassError = array(
0 =>'There is no error, the file uploaded with success. ',
1 =>'The uploaded file exceeds the upload_max_filesize directive in php.ini.',
2 =>'The uploaded file exceeds the MAX_FILE_SIZE that was specified in the HTML form.',
3 =>'The uploaded file was only partially uploaded. ',
4 =>'No file was uploaded. ',
6 =>'Missing a temporary folder. Introduced in PHP 4.3.10 and PHP 5.0.3. ',
7 =>'Failed to write file to disk. Introduced in PHP 5.1.0. ',
10 =>'Input name is not unavailable!',
11 =>'The uploaded file is Unallowable!',
12 =>'Directory unwritable!',
13 =>'File exist already!',
14 =>'File is too big!',
15 =>'Delete file unsuccessfully!',
16 =>'Your version of PHP does not appear to have GIF thumbnailing support.',
17 =>'Your version of PHP does not appear to have JPEG thumbnailing support.',
18 =>'Your version of PHP does not appear to have pictures thumbnailing support.',
19 =>'An error occurred while attempting to copy the source image .
Your version of php ('.phpversion().') may not have this image type support.',
20 =>'An error occurred while attempting to create a new image.',
21 =>'An error occurred while copying the source image to the thumbnail image.',
22 =>'An error occurred while saving the thumbnail image to the filesystem.
Are you sure that PHP has been configured with both read and write access on this folder?',
);
if ($this->errno == 0)
return false;
else
return $uploadClassError[$this->errno];
}
}
?>
下面看看是怎么调用 的.:
<?php
//如果收到表单传来的参数,则进行上传处理,否则显示表单
if(isset($_FILES['uploadinput'])){
//建目录函数,其中参数$directoryName最后没有"/",
//要是有的话,以'/'打散为数组的时候,最后将会出现一个空值
function makeDirectory($directoryName) {
$directoryName = str_replace("\\","/",$directoryName);
$dirNames = explode('/', $directoryName);
$total = count($dirNames) ;
$temp = '';
for($i=0; $i<$total; $i++) {
$temp .= $dirNames[$i].'/';
if (!is_dir($temp)) {
$oldmask = umask(0);
if (!mkdir($temp, 0777)) exit("不能建立目录 $temp");
umask($oldmask);
}
}
return true;
}
if($_FILES['uploadinput']['name'] <> ""){
//包含上传文件类
require_once ('class.upload.php');
//设置文件上传目录
$savePath = "upload";
//创建目录
makeDirectory($savePath);
//允许的文件类型
$fileFormat = array('gif','jpg','jpge','png');
//文件大小限制,单位: Byte,1KB = 1000 Byte
//0 表示无限制,但受php.ini中upload_max_filesize设置影响
$maxSize = 0;
//覆盖原有文件吗? 0 不允许 1 允许
$overwrite = 0;
//初始化上传类
$f = new Upload( $savePath, $fileFormat, $maxSize, $overwrite);
//如果想生成缩略图,则调用成员函数 $f->setThumb();
//参数列表: setThumb($thumb, $thumbWidth = 0,$thumbHeight = 0)
//$thumb=1 表示要生成缩略图,不调用时,其值为 0
//$thumbWidth 缩略图宽,单位是像素(px),留空则使用默认值 130
//$thumbHeight 缩略图高,单位是像素(px),留空则使用默认值 130
$f->setThumb(1);
//参数中的uploadinput是表单中上传文件输入框input的名字
//后面的0表示不更改文件名,若为1,则由系统生成随机文件名
if (!$f->run('uploadinput',1)){
//通过$f->errmsg()只能得到最后一个出错的信息,
//详细的信息在$f->getInfo()中可以得到。
echo $f->errmsg()."<br>\n";
}
//上传结果保存在数组returnArray中。
echo "<pre>";
print_r($f->getInfo());
echo "</pre>";
}
}else{
?>
<form enctype="multipart/form-data" action="" method="POST">
Send this file: <br />
<input name="uploadinput[]" type="file"><br />
<input name="uploadinput[]" type="file"><br />
<input name="uploadinput[]" type="file"><br />
<input type="submit" value="Send File"><br />
</form>
<?php
}
//我们上传一个已经存在了的图片文件,
//一个正常的图片文件,和一个不允许上传的文件,
//输出结果如下
/*
The uploaded file is Unallowable!
Array
(
[0] => Array
(
[name] => boy.jpg
[saveName] => boy.jpg
[size] => 137
[type] => image/pjpeg
[error] => File exist already!
)
[1] => Array
(
[name] => girl.JPG
[saveName] => girl.JPG
[size] => 31
[type] => image/pjpeg
[originalHeight] => 450
[originalWidth] => 600
)
[2] => Array
(
[name] => test.wma
[saveName] => test.wma
[size] => 971
[type] => audio/x-ms-wma
[error] => The uploaded file is Unallowable!
)
)
*/
?>
<?php
class ZipAllFloder{
var $cachelist = array();
var $datasec = array();
var $ctrl_dir = array();
var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
var $old_offset = 0;
function StartWork($dir){
$result = $this->GetList($dir);
$this->ClearCache();
return $result;
}
function ReadAndExport($filelist,$zipfilename){
if (count($filelist)>0){
foreach($filelist as $filename){
if (is_file($filename)){
$fp = fopen ($filename, "r");
$content = @fread ($fp,filesize($filename));
fclose ($fp);
$filename = basename($filename);
$this -> addFile($content, $filename);
}
}
}else{
$this -> addFile("This folder have none a single file!","nofile.log");
}
$out = $this -> outfile();
$this -> IniVars();
$fp = fopen($zipfilename,"w");
fwrite($fp,$out,strlen($out));
fclose($fp);
$this -> cachelist[] = $zipfilename;
}
function GetList($dir){
if (file_exists($dir)){
$handle = opendir($dir);
while($files = readdir($handle)){
if (($files==".")||($files=="..")) continue;
if(is_dir($dir."/".$files)){
$this -> GetList($dir."/".$files);
}else{
$filelist[] = $dir."/".$files;
}
}
closedir($handle);
$zipfilename = dirname($dir)."/[FOLDER]".basename($dir).".zip";
$this -> ReadAndExport($filelist,$zipfilename);
}
return $zipfilename;
}
function ClearCache(){
if($num = count($this ->cachelist)){
for($i=0;$i<$num-1;$i++){
@unlink($this ->cachelist[$i]);
}
}
}
function IniVars(){
$this -> datasec = array();
$this -> ctrl_dir = array();
$this -> eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
$this -> old_offset = 0;
}
function unix2DosTime($unixtime = 0) {
$timearray = ($unixtime == 0) ? getdate() : getdate($unixtime);
if ($timearray['year'] < 1980) {
$timearray['year'] = 1980;
$timearray['mon'] = 1;
$timearray['mday'] = 1;
$timearray['hours'] = 0;
$timearray['minutes'] = 0;
$timearray['seconds'] = 0;
}
return (($timearray['year']-1980)<<25)|($timearray['mon']<<21)|($timearray['mday']<<16)|($timearray['hours']<<11)|($timearray['minutes']<<5)|($timearray['seconds']>>1);
}
function addFile($data, $name, $time = 0){
$name = str_replace('\\', '/', $name);
$dtime = dechex($this->unix2DosTime($time));
$hexdtime = '\x' . $dtime[6] . $dtime[7]
. '\x' . $dtime[4] . $dtime[5]
. '\x' . $dtime[2] . $dtime[3]
. '\x' . $dtime[0] . $dtime[1];
eval('$hexdtime = "' . $hexdtime . '";');
$fr = "\x50\x4b\x03\x04";
$fr .= "\x14\x00";
$fr .= "\x00\x00";
$fr .= "\x08\x00";
$fr .= $hexdtime;
$unc_len = strlen($data);
$crc = crc32($data);
$zdata = gzcompress($data);
$c_len = strlen($zdata);
$zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2);
$fr .= pack('V', $crc);
$fr .= pack('V', $c_len);
$fr .= pack('V', $unc_len);
$fr .= pack('v', strlen($name));
$fr .= pack('v', 0);
$fr .= $name;
$fr .= $zdata;
$fr .= pack('V', $crc);
$fr .= pack('V', $c_len);
$fr .= pack('V', $unc_len);
$this -> datasec[] = $fr;
$new_offset = strlen(implode('', $this->datasec));
$cdrec = "\x50\x4b\x01\x02";
$cdrec .= "\x00\x00";
$cdrec .= "\x14\x00";
$cdrec .= "\x00\x00";
$cdrec .= "\x08\x00";
$cdrec .= $hexdtime;
$cdrec .= pack('V', $crc);
$cdrec .= pack('V', $c_len);
$cdrec .= pack('V', $unc_len);
$cdrec .= pack('v', strlen($name) );
$cdrec .= pack('v', 0 );
$cdrec .= pack('v', 0 );
$cdrec .= pack('v', 0 );
$cdrec .= pack('v', 0 );
$cdrec .= pack('V', 32 );
$cdrec .= pack('V', $this -> old_offset );
$this -> old_offset = $new_offset;
$cdrec .= $name;
$this -> ctrl_dir[] = $cdrec;
}
function outfile(){
$data = implode('', $this -> datasec);
$ctrldir = implode('', $this -> ctrl_dir);
return
$data .
$ctrldir .
$this -> eof_ctrl_dir .
pack('v', sizeof($this -> ctrl_dir)) .
pack('v', sizeof($this -> ctrl_dir)) .
pack('V', strlen($ctrldir)) .
pack('V', strlen($data)) .
"\x00\x00";
}
}
$zip = new ZipAllFloder();
$str = $zip->StartWork("./baby");
echo $str;
?>
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