求php代码例子

<?
  session_start();
  $myCxmis = new Cxmis;
  if($mysubmit =="确定"){
     $result = $myCxmis->register($username,$password);
     if($result==2){
$uid=$username;
session_register('uid');

?>
<script language="javascript">
alert("注册成功");
window.location='ywsljj.php';
</script>
<?
     }else if($result==1){
?>
<script language="javascript">
alert("此用户名已经存在，请重新注册");
window.location='javascript:history.back(-1)';
</script>
<?
     }else{
?>
<script language="javascript">
alert("注册失败，请重新注册");
window.location='javascript:history.back(-1)';
</script>
<?
  }}else {
?>
<html><head>
<meta http-equiv="Content-Language" content="zh-cn">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title></title>
</head>
<script language="Javascript" src="/script/checkpassword.js"></script>
<script language="Javascript" src="/script/ajaxreg.js"></script>
<body topmargin="0" leftmargin="0" rightmargin="0" bottommargin="0"><div align="left">
<table border="0" width="100%" cellspacing="0" cellpadding="0" id="table1"><?
require("./include/top.inc");
?>

<tr>
<td align="left" valign="top">
<table border="0" width="100%" id="table3" cellspacing="0" cellpadding="0">
<tr>
<td align="left" valign="top" width="235">
<table border="0" width="100%" id="table19" cellspacing="0" cellpadding="0">
<tr>
<td align="left" valign="top">

</td>
</tr>
<tr>
<td>
<img border="0" src="images/zjcx_ml_11_01.gif" width="235" height="166"></td>
</tr>
</table>
</td>
<td align="left" valign="top">
<table border="0" width="100%" id="table14" cellspacing="0" cellpadding="0">
<tr>
<td width="22">
<img border="0" src="images/zjcx_07_01.gif" width="22" height="16"></td>
<td background="images/zjcx_07_02.gif">
<img border="0" src="images/zjcx_07_02.gif" width="745" height="16"></td>
</tr>
<tr>
<td background="images/zjcx_07_03.gif" height="380" width="22">
<img border="0" src="images/zjcx_07_03.gif" width="22" height="50"></td>
<td align="left" valign="top">
<table border="0" width="100%" id="table15" cellspacing="0" cellpadding="0">
<tr>
<td>
<p align="center">帐 号 注 册
</td>
</tr>
<tr>
<td>
<table border="0" width="100%" id="table16" cellspacing="0" cellpadding="0">
<tr>
<td width="363">
<img border="0" src="images/zjcx_07_08_01.gif" width="363" height="17"></td>
<td background="images/zjcx_07_08_02.gif">
<img border="0" src="images/zjcx_07_08_02.gif" width="9" height="17"></td>
<td width="373">
<img border="0" src="images/zjcx_07_08_03.gif" width="373" height="17"></td>
</tr>
</table>
</td>
</tr>
<tr>
<td align="center">
<table border="0" width="98%" id="table18" cellspacing="0" cellpadding="0">
<tr>
<td>
<form name=reg method=post action="/register.php" onsubmit="return checkpwd(this)">
<table  border="0" cellspacing="1" cellpadding="5" bgcolor="#9ad0eb">
<table  border="0" cellspacing="1" cellpadding="5" bgcolor="#9ad0eb" width="100%">
<tr bgcolor="#e4f2fa"> <td colspan=3>帐号注册</td></tr>
( * 为必填项)
<tr bgcolor="#e4f2fa">
                      <td >
                        <div align="center">用户名<font color="#FF0000">*</font></div>
                      </td>
                      <td >
                        <input type="text" name="username" id="username" size="25" maxlength="15" onBlur="return usercheck('check')">

                      </td>
<td align="left" bgcolor="#FFFFFF"><span id="check"> 3-16个字符，英文小写、汉字、数字、最好不要全部是数字。</span></td>                    </tr>
<tr bgcolor="#e4f2fa">
                      <td >
                        <div align="center">密码<font color="#FF0000">*</font></div>
                      </td>
                      <td >
                        <input type="password" name="password" id="userpwd" onBlur="pwdcheck('pwd')">

                      </td>
<td align="left" bgcolor="#FFFFFF" id="pwd"> 密码字母有大小写之分。6-16位（包括6、16），限用英文、数字。</td>                    </tr>
                    <tr bgcolor="#e4f2fa">
                      <td >
                        <div align="center">确认密码<font color="#FF0000">*</font></div>
                      </td>
                      <td >
                        <input type="password" name="checkpassword" id="reuserpwd" onBlur="pwdrecheck('repwd')">
                      </td>
<td align="left" bgcolor="#FFFFFF" id="repwd"> 请再次输入登录密码。</td>
                    </tr>
<tr bgcolor="#e4f2fa"><td colspan=3 align="center">
<input type="submit" name=mysubmit value="确定">
<input type=reset value="重填">
</td></tr>
</table>
</form>

</td>
</tr>
</table>
</td>
</tr>
<tr>
<td>
<table border="0" width="100%" id="table17" cellspacing="0" cellpadding="0">
<tr>
<td width="363">
<img border="0" src="images/zjcx_07_08_01.gif" width="363" height="17"></td>
<td background="images/zjcx_07_08_02.gif">
<img border="0" src="images/zjcx_07_08_02.gif" width="9" height="17"></td>
<td width="373">
<img border="0" src="images/zjcx_07_08_03.gif" width="373" height="17"></td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr><?
require("./include/bottom.inc");
?>

</table>
</div></body></html>
<?
}
$myCxmis->Destroy();
?>

ajaxreg.js代码如下：
var http_request=false;
  function send_request(url){//初始化，指定处理函数，发送请求的函数
    http_request=false;
        //开始初始化XMLHttpRequest对象
        if(window.XMLHttpRequest){//Mozilla浏览器
         http_request=new XMLHttpRequest();
         if(http_request.overrideMimeType){//设置MIME类别
           http_request.overrideMimeType("text/xml");
         }
        }
        else if(window.ActiveXObject){//IE浏览器
         try{
          http_request=new ActiveXObject("Msxml2.XMLHttp");
         }catch(e){
          try{
          http_request=new ActiveXobject("Microsoft.XMLHttp");
          }catch(e){}
         }
    }
        if(!http_request){//异常，创建对象实例失败
         window.alert("创建XMLHttp对象失败！");
         return false;
        }
        http_request.onreadystatechange=processrequest;
        //确定发送请求方式，URL，及是否同步执行下段代码
    http_request.open("GET",url,true);
        http_request.send(null);
  }
  //处理返回信息的函数
  function processrequest(){
   var mess
   if(http_request.readyState==4){//判断对象状态

     if(http_request.status==200){//信息已成功返回，开始处理信息
  if(http_request.responseText=='exist')
mess="<font color=red>此用户名已经存在，请更换用户名！</font>";
  else if(http_request.responseText=='ok')
mess="<font color=red>此用户名可以注册</font>";
  else if(http_request.responseText=='right')
mess="<font color=red>旧密码正确</font>";
  else if(http_request.responseText=='error')
mess="<font color=red>旧密码不正确</font>";
          document.getElementById(reobj).innerHTML=mess;
         }
         else{//页面不正常
          alert("您所请求的页面不正常！");
         }
   }
  }
  function usercheck(obj){
   var f=document.reg;
   var username=f.username.value;
   if(username==""){

        document.getElementById(obj).innerHTML=" <font color='#ff0000'>用户名不能为空！</font>";
        //f.username.focus();
        //return false;
   }
   else if(username.replace(/[^\x00-\xff]/g,'##').length>16){
          document.getElementById(obj).innerHTML=" <font color=red>用户名长度不能大于16位（汉字不能超过8个）！</font>";
          //f.userpwd.focus();
          return false;
   }
   else{
   document.getElementById(obj).innerHTML="正在读取数据...";
   send_request('checkuserreg.php?username='+username);
   reobj=obj;
   }
  }
  function userpwdcheck(obj){
   var f=document.reg;
   var oldpassword=f.oldpassword.value;
   if(oldpassword==""){

        document.getElementById(obj).innerHTML=" <font color='#ff0000'>旧密码不能为空！</font>";
        //f.username.focus();
        //return false;
   }
   else{
   document.getElementById(obj).innerHTML="正在读取数据...";
   send_request('checkuserpwd.php?oldpassword='+oldpassword);
   reobj=obj;
   }
  }
  function pwdcheck(obj){
    var f=document.reg;
        var pwd=f.userpwd.value;
        if(pwd==""){
          document.getElementById(obj).innerHTML=" <font color=red>用户密码不能为空！</font>";
          //f.userpwd.focus();
          return false;
        }
        else if(f.userpwd.value.length<6){
          document.getElementById(obj).innerHTML=" <font color=red>密码长度不能小于6位！</font>";
          //f.userpwd.focus();
          return false;
        }
        else{
          document.getElementById(obj).innerHTML=" <font color=red>密码符合要求！</font>";
        }
  }
  function pwdrecheck(obj){
    var f=document.reg;
        var repwd=f.reuserpwd.value;
        if (repwd==""){
          document.getElementById(obj).innerHTML=" <font color=red>请再输入一次密码！</font>";
          //f.reuserpwd.focus();
          return false;
        }
        else if(f.userpwd.value!=f.reuserpwd.value){
          document.getElementById(obj).innerHTML=" <font color=red>两次输入的密码不一致！</font>";
          //f.reuserpwd.focus();
          return false;
        }
        else{
          document.getElementById(obj).innerHTML=" <font color=red>密码输入正确！</font>";
        }
  }

本人是初学php,发这贴是为了帮人找资料.
请大家多多发言

http://hi.baidu.com/jroam/blog/item/0df478f4087778daf3d385c1.html 给个网址你可以参考一下！

http://download.csdn.net/source/1329125
这里有一些Ajax入门知识

调试易

求php代码例子

解决方案 »