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記得運(yùn)行代碼前先把文件備份一下哦，避免出現(xiàn)失敗問題。
代碼一：
復(fù)制代碼 代碼如下:
function checkBOM ($filename) {
global $auto;
$contents = file_get_contents($filename);
$charset[1] = substr($contents, 0, 1);
$charset[2] = substr($contents, 1, 1);
$charset[3] = substr($contents, 2, 1);
if (ord($charset[1]) == 239 && ord($charset[2]) == 187 && ord($charset[3]) == 191) {
if ($auto == 1) {
$rest = substr($contents, 3);
rewrite ($filename, $rest);
return ("<font color=red>BOM found, automatically removed.</font>");
} else {
return ("<font color=red>BOM found.</font>");
}
}
else return ("BOM Not Found.");
}
代碼二：
復(fù)制代碼 代碼如下:
<?php
header('content-Type: text/html; charset=utf-8');
if(isset($_GET['dir'])){ //設(shè)置文件目錄，如果沒有設(shè)置，則自動設(shè)置為當(dāng)前文件所在目錄
$basedir=$_GET['dir'];
}else{
$basedir='.';
}
$auto=1;/*設(shè)置為1標(biāo)示檢測BOM并去除，設(shè)置為0標(biāo)示只進(jìn)行BOM檢測，不去除*/
echo '當(dāng)前查找的目錄為：'.$basedir.'當(dāng)前的設(shè)置是：';
echo $auto?'檢測文件BOM同時去除檢測到BOM文件的BOM<br />':'只檢測文件BOM不執(zhí)行去除BOM操作<br />';
checkdir($basedir);
function checkdir($basedir){
if($dh=opendir($basedir)){
while (($file=readdir($dh)) !== false){
if($file != '.' && $file != '..'){
if(!is_dir($basedir.'/'.$file)){
echo '文件: '.$basedir.'/'.$file .checkBOM($basedir.'/'.$file).' <br>';
}else{
$dirname=$basedir.'/'.$file;
checkdir($dirname);
}
}
}
closedir($dh);
}
}
function checkBOM($filename){
global $auto;
$contents=file_get_contents($filename);
$charset[1]=substr($contents,0,1);
$charset[2]=substr($contents,1,1);
$charset[3]=substr($contents,2,1);
if(ord($charset[1])==239 && ord($charset[2])==187 && ord($charset[3])==191){
if($auto==1){
$rest=substr($contents,3);
rewrite($filename,$rest);
return (' <font color=red>找到BOM并已自動去除</font>');
}else{
return (' <font color=red>找到BOM</font>');
}
}else{
return (' 沒有找到BOM');
}
}
function rewrite($filename,$data){
$filenum=fopen($filename,'w');
flock($filenum,LOCK_EX);
fwrite($filenum,$data);
fclose($filenum);
}
?>
代碼三：
復(fù)制代碼 代碼如下:
##把該文件放在需求去除BOM頭的目錄下跑一下卻可。
<?php
if (isset ( $_GET ['dir'] )) { // config the basedir
$basedir = $_GET ['dir'];
} else {
$basedir = '.';
}
$auto = 1;
checkdir ( $basedir );
function checkdir($basedir) {
if ($dh = opendir ( $basedir )) {
while ( ($file = readdir ( $dh )) !== false ) {
if ($file != '.' && $file != '..') {
if (! is_dir ( $basedir . "/" . $file )) { // 如果是文件
echo "filename: $basedir/$file " . checkBOM ( "$basedir/$file" ) . " <br>";
} else {
$dirname = $basedir . "/" . $file; // 如果是目錄
checkdir ( $dirname ); // 遞歸
}
}
}
closedir ( $dh );
}
}
function checkBOM($filename) {
global $auto;
$contents = file_get_contents ( $filename );
$charset [1] = substr ( $contents, 0, 1 );
$charset [2] = substr ( $contents, 1, 1 );
$charset [3] = substr ( $contents, 2, 1 );
if (ord ( $charset [1] ) == 239 && ord ( $charset [2] ) == 187 && ord ( $charset [3] ) == 191) { // BOM
// 的前三個字符的ASCII
// 碼分別為
// 239
// 187
// 191
if ($auto == 1) {
$rest = substr ( $contents, 3 );
rewrite ( $filename, $rest );
return ("<font color=red>BOM found, automatically removed.</font>");
} else {
return ("<font color=red>BOM found.</font>");
}
} else
return ("BOM Not Found.");
}
function rewrite($filename, $data) {
$filenum = fopen ( $filename, "w" );
flock ( $filenum, LOCK_EX );
fwrite ( $filenum, $data );
fclose ( $filenum );
}
?>
二、Python
復(fù)制代碼 代碼如下:
#!/usr/bin/env Python
#-*- coding: utf-8 -*-
import os
def delBOM():
file_count = 0
bom_files = []
for dirpath, dirnames, filenames in os.walk('.'):
if(len(filenames)):
for filename in filenames:
file_count += 1
file = open(dirpath + "/" + filename, 'r+')
file_contents = file.read()
if(len(file_contents) > 3):
if(ord(file_contents[0]) == 239 and ord(file_contents[1]) == 187 and ord(file_contents[2]) == 191):
bom_files.append(dirpath + "/" + filename)
file.seek(0)
file.write(file_contents[3:])
print bom_files[-1], "BOM found. Deleted."
file.close()
print file_count, "file(s) found.", len(bom_files), "file(s) have a bom. Deleted."
if __name__ == "__main__":
delBOM()
php技術(shù)：PHP批量刪除、清除UTF-8文件BOM頭的代碼實(shí)例，轉(zhuǎn)載需保留來源！
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