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PHP学习之简单应用(1)

2014-08-01 11:12 218 查看

改进主页面menu.html如下：

1 <html><head>

2 <title>简单的留言板</title>

3 </head><body>

4 <p><h3 align = "center"><font color = "red">欢迎来的我的简单留言板，请登录或

者注册。</font></h3></p>

5 <form action = "log.php" method = "post">

6 Username：<input type = "text" name = "username" />

7 Passwd：<input type = "password" name = "password" maxlength = "6" /><br>

8 <input type = "submit" /> <input type = "reset" /><br> <F12><a href = " reg.php">如果没有帐号，点击这里注册吧！</a>

9 </body></html>

其中文件reg.php内容如下:

1 <html><head>

2 <title>注册网页</title></head><body>

3 <form action = "in.php" method = "post" >

4 <br>用户名： <input type = "text" name = "username" id = "username"/>

5 <br>密码： <input type = "password" name = "password" id = "password"/>

6 <br>确认密码：<input type = "password" name = "password1" id = "password1"/>

7 <br><input type = "submit" value = "提交" name = "submit" onclick = "cklogin();return false;" />

8 </form>

9 <script>

10 function cklogin(){

11 var username =document.getElementById('username');

12 var passwd=document.getElementById('password');

13 var passwd1 = document.getElementById('password1');

14 if(username.value =="" || passwd.value==""){

15 alert("用户名或者密码不能为空");

16 }else if(passwd.value != passwd1.value){

17 alert("您两次输入的密码不一致，请重新输入。");

18 }else{

19 this.document.FORM.submit();

20 }

21 }

22 </script>

23 </body></html>

其中in.php文件内容如下：

1 <html><body><?php

2 header("content-type:text/html; charset=UTF-8");

3 if(file_exists("info/info.txt"))

4 $str = "\n".$_POST["username"]."*".$_POST["password"];

5 else{

6 $str = $_POST["username"]."*".$_POST["password"];

7 }

8 $file = fopen("info/info.txt","ab");

9 fwrite($file,$str);

10 print "您已经成功注册，请返回登录吧。";

11 fclose($file);

12 ?><a href = "menu.html"><br>点击登录</a></body></html>

未完待续。。。

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