delmessage_ajax.php

无刷新技术AJAX,就是在不刷新网页的情况下更新网站内容

<?php
header( "Content-type: text/html; charset=gbk");
header( "Expires: Mon, 26 Jul 1997 05:00:00 GMT" );
header( "Last-Modified: " . gmdate( "D, d M Y H:i:s" ) . " GMT" );
header( "Cache-Control: no-cache, must-revalidate" );
header( "Pragma: no-cache" );
require("../login/allow.php");
?>
<?php 
include ("../inc/delete.inc");
require("../inc/loaddata.inc");

/**********************/

//删除记录,本例没有验证登陆了，只是给出个已经登陆后的例子;
$del="";if(isset($_GET["del"]))$del=$_GET["del"].trim();
$id="";if(isset($_GET["id"]))$id=$_GET["id"].trim();

if( ($del != "" &&  $id != "") || sizeof($_POST) >0  ){


  if( ($del != "" &&  $id != "") ) {//单行删除;
    deleteMessageId($fname ,$id);
    echo "<br>single<br>";
  }
  


  if( sizeof($_POST) >0 ){//多行删除;
  $postlen = 0;
	arsort($_POST);//arsort()把post里的值降序排列，从而从最后一个开始删起;
	foreach ( $_POST as $message => $idnum){
	   deleteMessageId($fname ,$idnum);
	   $id  .= "<br>". $idnum ;
      echo "<br>multi<br>";
      $postlen++ ;  
	  }	 
  }  
  echo "postlen . $postlen .||";
  echo "deleteSuccessfully删除第<font color=red>$id</font>条记录成功..."; 
  echo exit;
  
}else{
 echo "参数丢失deleteFailed";exit;
}


/*
if($del != "" && $id != ""){
  $fa= file($fname);
  $a=0;	
	for($i=0;$i<count($fa);$i++){
		//读取获得数组,去掉指定行，重新排序赋值给新数组；
   if($i != $id)
    {
     	$fl[$a] = $fa[$i];//;explode("\t",$fa[$i]);
     	$a++;
    }
  }	

  if ($fd = @fopen($fname, "w+")) { 
	flock($fd, LOCK_EX); 
	fseek($fd, 0, SEEK_END); 
	//将新数组写入文本;//
	

	for($l=0;$l<count($fl);$l++){
		fwrite($fd,$fl[$l]);//逐行写入;
  }

  echo "deleteSuccessfully删除第<font color=red>$id</font>条记录成功...";
	flock($fd, LOCK_UN); 
	fclose($fd);
	
  }
  echo exit;

}else{
 echo "参数丢失deleteFailed";exit;
}*/
?>