change_reg.php

实现考试管理系统

<?php
ob_start();
session_start();
include 'msg.php';
include 'conn.php';
//获取值
$username=$_POST['text1'];
$userpsw1=$_POST['text2'];
$userpsw2=$_POST['text3'];
$useremail=$_POST['text4'];
$userque=$_POST['text5'];
$userresult=$_POST['text6'];
//密码判断
if (strlen($userpsw1)<=0)
{
$_SESSION['infom']="密码不能为空！";
my_header("changeuserinfo.php");
break;
}
if (strlen($userpsw1)>16 || strlen($userpsw1)<4)
{
$_SESSION['infom']="密码长度应为6-16,请重新输入！";
my_header("changeuserinfo.php");
break;
}
if (strcmp($userpsw1,$userpsw2)!=0)
{
$_SESSION['infom']="两次密码不一致,请重新输入！";
my_header("changeuserinfo.php");
break;
}

//邮箱地址判断
if (strlen($useremail)<=0)
{
$_SESSION['infom']="E-mail地址不能为空！";
my_header("changeuserinfo.php");
break;
}
$has=ereg("^[a-zA-Z]+@[a-zA-Z1-9]+\.[a-zA-Z]+$",$useremail);//利用正则表达式判断邮箱地址格式
if (!$has)
{
$_SESSION['infom']="E-mail地址错误！";
my_header("changeuserinfo.php");
break;
}

//密码提示问题判断
if (strlen($userque)<=0)
{
$_SESSION['infom']="密码提示问题不能为空！";
my_header("changeuserinfo.php");
break;
}
if (strlen($userresult)<=0)
{
$_SESSION['infom']="密码提示答案不能为空！";
my_header("changeuserinfo.php");
break;
}
if (strlen($userque)>32 || strlen($userque)<4)
{
$_SESSION['infom']="密码提示问题应应为4-32个字符长度,请重新输入！";
my_header("changeuserinfo.php");
break;
}
if (strlen($userresult)>32 || strlen($userresult)<4)
{
$_SESSION['infom']="密码提示问题答案应为6-16个字符长度,请重新输入！";
my_header("changeuserinfo.php");
break;
}

//写入数据库
$str="update user set userpasswd='$userpsw1',email='$useremail',question='$userque',answer='$userresult' where username='" . $username . "'";
$result=mysql_query($str) or die ("更新数据失败！".mysql_error());
$_SESSION['username']="";
msg("修改成功！","useradmin.php");
mysql_free_result($result);
mysql_close($link);
?>