文件为gb2312编码
test.php
<SCRIPT LANGUAGE="javascript">
<!--
function saveUserInfo()
{
//获取接受返回信息层
var msg = document.getElementById("msg");
//获取表单对象和用户信息值
var f = document.user_info;
var username = f.username.value;
//接收表单的URL地址
var url = "commit.php";
//需要POST的值，把每个变量都通过&来联接
var postStr = "username="+ UrlEncode(username);
//实例化Ajax
var ajax = null;
if(window.XMLHttpRequest){
ajax = new XMLHttpRequest();
}
else if(window.ActiveXObject){
ajax = new ActiveXObject("Microsoft.XMLHTTP");
}
else{
return;
}
//通过Post方式打开连接
ajax.open("POST", url, true);
//定义传输的文件HTTP头信息
ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
//发送POST数据
ajax.send(postStr);
//返回数据的处理函数
ajax.onreadystatechange = function(){
if (ajax.readyState == 4 && ajax.status == 200){
alert(ajax.responseText);
msg.innerHTML = ajax.responseText;
}
}
}
-->
</SCRIPT>
<script language="vbscript">
Function str2asc(strstr)
str2asc = hex(asc(strstr))
End Function
Function asc2str(ascasc)
asc2str = chr(ascasc)
End Function
</script>
<script language="javascript">
/*这里开始时UrlEncode和UrlDecode函数*/
function UrlEncode(str){
var ret="";
var strSpecial="!"#$%&'()*+,/:;<=>?[]^`{|}~%";
var tt= "";
for(var i=0;i<str.length;i++){
var chr = str.charAt(i);
var c=str2asc(chr);
tt += chr+":"+c+"n";
if(parseInt("0x"+c) > 0x7f){
ret+="%"+c.slice(0,2)+"%"+c.slice(-2);
}else{
if(chr==" ")
ret+="+";
else if(strSpecial.indexOf(chr)!=-1)
ret+="%"+c.toString(16);
else
ret+=chr;
}
}
return ret;
}
function UrlDecode(str){
var ret="";
for(var i=0;i<str.length;i++){
var chr = str.charAt(i);
if(chr == "+"){
ret+=" ";
}else if(chr=="%"){
var asc = str.substring(i+1,i+3);
if(parseInt("0x"+asc)>0x7f){
ret+=asc2str(parseInt("0x"+asc+str.substring(i+4,i+6)));
i+=5;
}else{
ret+=asc2str(parseInt("0x"+asc));
i+=2;
}
}else{
ret+= chr;
}
}
return ret;
}
</script>
<form name="user_info">
姓名：<input type="text" name="username" /><br/>
<input type="button" value="提交表单" onClick="saveUserInfo()">
</form>
<div id="msg"></div>
commit.php
<?php
header("content-type:text/html;charset=gb2312");
echo "哈罗";
echo $_POST["username"];
?>
