php 用户注册实例代码,适合初学者
来源:程序员人生 发布时间:2013-10-10 07:12:07 阅读次数:2892次
- if($_POST[submit]){
- checkusername($_POST[username]);
- if($_SESSION["code"]==$_POST[code])
- {
- $username= str_replace(" ","",$_POST[username]);
- $password=md5($_POST[password].ALL_PS);
- $sql="INSERT INTO `member`.`user_list` (`uid`, `m_id`, `username`, `password`) VALUES (NULL, '$_POST[select]', '$username','$password' )";
- mysql教程_query($sql);
- echo "注册成功";
- }
- else
- {
- echo "验证码错误"."<br>";
- session_destroy();
- }
- }
-
- function checkusername($username)
- {
- $sql2 = "select uid from user_list where username='".mysql_escape_string($username)."'";
- $result = mysql_query($sql2) or die ('ERROR: '.mysql_error());
- if(mysql_num_rows($result)>0)
- {
- echo "该用户名已经存在,请更换!";
- exit();
- }
- else{
- echo "<script> location.href='reg.php'</script>";
- }
-
- }
-
- ?>
- <LINK href="common.css" type=text/css rel=stylesheet>
- <form action="" method="post">
- 用户名:<input type="text" name="username" style="height:23px" /><br>
- 密 码:<input type="password" name="password" style="height:23px" /><br>
- 职 位:
- <select name="select" size="1" style="height:23px" / >
- <option value="1">1</option>
- <option value="2">2</option>
- </select>
- <br/>
-
-
- 验证码:<input type="code" name="code" size="10" style="height:23px" />
- <img src="imgcode.php">
- <br><br>
- <input type="submit" name="submit" value="注册"/>
- </form>
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