澳门新葡萄京官网首页搜索和替换文件或目录的一个好类

这是个非常有用的程序,可以对文本文件进行特定的搜索,并以特定的文字替换指定的文字,举个例子说如果我这篇文章里有一个字全部打错了,有几十处,要一一找出来修改是件很麻烦的事,用下面这个就可以轻松搞定。–teaman.oso.com.cn
类文件 search_replace.inc ?php class search_replace{ var $find; var
$replace; var $files; var $directories; var $include_subdir; var
$ignore_lines; var $ignore_sep; var $occurences; var
$search_function; var $last_error; //以下进行函数定义和设置 function
search_replace($find, $replace, $files, $directories = ”,
$include_subdir = 1, $ignore_lines = array()){ $this-find= $find;
$this-replace= $replace; $this-files= $files; $this-directories=
$directories; $this-include_subdir= $include_subdir;
$this-ignore_lines= $ignore_lines; $this-occurences= 0;
$this-search_function = ‘search’; $this-last_error= ”; }
/***************************************
** Accessor for retrieving occurences.
***************************************/
function get_num_occurences(){ return $this-occurences; }
//获取最后的错误 function get_last_error(){ return $this-last_error;
} //设置FIND变量 function set_find($find){ $this-find = $find; }
//设置replace变量 function set_replace($replace){ $this-replace =
$replace; } //设置FILE变量 function set_files($files){ $this-files =
$files; } //设置目录变量 function set_directories($directories){
$this-directories = $directories; } //设置目录变量 set_include_subdir
function set_include_subdir($include_subdir){ $this-include_subdir =
$include_subdir; } //设置ignore_lines变量 function
set_ignore_lines($ignore_lines){ $this-ignore_lines =
$ignore_lines; } //确定是哪一种搜索方式 function
set_search_function($search_function){ switch($search_function){
case ‘normal’: $this-search_function = ‘search’; return TRUE; break;
case ‘quick’ : $this-search_function = ‘quick_search’; return TRUE;
break; case ‘preg’: $this-search_function = ‘preg_search’; return
TRUE; break; case ‘ereg’: $this-search_function = ‘ereg_search’;
return TRUE; break; default: $this-last_error= ‘Invalid search function
specified’; return FALSE; break; } } //以下为搜索和替换程序的主文件
function search($filename){ $occurences = 0; $file_array =
file($filename); for($i=0; $icount($file_array); $i++){ $continue_flag
= 0; if(count($this-ignore_lines) 0){ for($j=0;
$jcount($this-ignore_lines); $j++){
if(substr($file_array[$i],0,strlen($this-ignore_lines[$j])) ==
$this-ignore_lines[$j]) $continue_flag = 1; } } if($continue_flag
== 1) continue; $occurences += count(explode($this-find,
$file_array[$i])) – 1; $file_array[$i] = str_replace($this-find,
$this-replace, $file_array[$i]); } if($occurences 0) $return =
array($occurences, implode(”, $file_array)); else $return = FALSE;
return $return; } //使用quick(快速)搜索方法时,没有igonre_lines功能
function quick_search($filename){ clearstatcache(); $file= fread($fp =
fopen($filename, ‘r’), filesize($filename)); fclose($fp); $occurences =
count(explode($this-find, $file)) – 1; $file= str_replace($this-find,
$this-replace, $file); if($occurences 0) $return = array($occurences,
$file); else $return = FALSE; return $return; }
//preg搜索方法不支持ignore_lines function preg_search($filename){
clearstatcache(); $file= fread($fp = fopen($filename, ‘r’),
filesize($filename)); fclose($fp); $occurences = count($matches =
preg_split($this-find, $file)) – 1; $file= preg_replace($this-find,
$this-replace, $file); if($occurences 0) $return = array($occurences,
$file); else $return = FALSE; return $return; }
//ereg搜索方法也不支持ignore_lines function ereg_search($filename){
clearstatcache(); $file = fread($fp = fopen($filename, ‘r’),
filesize($filename)); fclose($fp); $occurences = count($matches =
split($this-find, $file)) -1; $file= ereg_replace($this-find,
$this-replace, $file); if($occurences 0) $return = array($occurences,
$file); else $return = FALSE; return $return; } //写新文件 function
writeout($filename, $contents){ if($fp = @fopen($filename, ‘w’)){
fwrite($fp, $contents); fclose($fp); }else{ $this-last_error = ‘Could
not open file: ‘.$filename; } } //由do_search调用,排出所有要搜索的文件
function do_files($ser_func){ if(!is_array($this-files)) $this-files
= explode(‘,’, $this-files); for($i=0; $icount($this-files); $i++){
if($this-files[$i] == ‘.’ OR $this-files[$i] == ‘..’) continue;
if(is_dir($this-files[$i]) == TRUE) continue; $newfile =
$this-$ser_func($this-files[$i]); if(is_array($newfile) == TRUE){
$this-writeout($this-files[$i], $newfile[1]); $this-occurences +=
$newfile[0]; } } } //由do_search()调用,排出所有要搜索的目录 function
do_directories($ser_func){ if(!is_array($this-directories))
$this-directories = explode(‘,’, $this-directories); for($i=0;
$icount($this-directories); $i++){ $dh =
opendir($this-directories[$i]); while($file = readdir($dh)){ if($file
== ‘.’ OR $file == ‘..’) continue;
if(is_dir($this-directories[$i].$file) == TRUE){
if($this-include_subdir == 1){ $this-directories[] =
$this-directories[$i].$file.’/’; continue; }else{ continue; } }
$newfile = $this-$ser_func($this-directories[$i].$file);
if(is_array($newfile) == TRUE){
$this-writeout($this-directories[$i].$file, $newfile[1]);
$this-occurences += $newfile[0]; } } } }
//调用这个do_search()就可以开始对文件或目录进行搜索 function
do_search(){ if($this-find != ”){ if((is_array($this-files) AND
count($this-files) 0) OR $this-files != ”)
$this-do_files($this-search_function); if($this-directories !=
”)$this-do_directories($this-search_function); } } } // End of class
? //下面是调用该类的例子说明,请存为example.php ?php
include(‘search_replace.inc’);//将文件包括进来
//建立新物件,设置搜索条件、最后返回搜索结果 $sr = new
search_replace(‘asp’, ‘php’, array(‘test.txt’)); //调用搜索与替换
$sr-set_search_function(‘quick’);//设置搜索条件 $sr-do_search();
$sr-set_find(‘another’); $sr-do_search(); //下面是定制的返回信息
header(‘Content-Type: text/plain’); echo ‘发现和替换以下几个地方:
‘.$sr-get_num_occurences()./r/n; echo ‘啊,错误发生如下………….:
‘.$sr-get_last_error()./r/n; ?
//将以下文字存为test.txt,注意text.txt必须是可读可写的
我非常喜欢asp,它简单易学,功能强,听说asp已经占了大半市场,asp真好。
此时,如果您打开exampe.php 就会出现下面这些: 发现和替换以下几个地方:3
啊,错误发生如下……….:查看test.txt文件,果然出现asp的地方被php替换了。

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