web和后台数据库交互

1、web,千度网页

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>注册千度账号</title>
<link rel="stylesheet" type="text/css" href="CSS/rg.css">
</head>



<body>
<div id="rg01">
    <img src="img/regist.png" />
    <p><span>我已注册,现在就<input type="button" value="登录" onClick="search()"></span><p>
    <img src="https://passport.baidu.com/static/passpc-account/img/reg/reg_hr.png" />
</div>
<div id="rg02">
    <div id="left">
    <form action="getregister.php"  method="post">
    <ul>
        <li class="li">
            <label class="label">用户名</label> 
            <input class="rg" name="username" type="text" placeholder="请设置用户名"  
            onFocus="Msg('Msg_01','block')" onBlur="Msg('Msg_01','none')" >
            <div id="Msg_01"  class="msg" ><span> 设置后不可更改<br>中英文均可,最长14个英文或7个汉字</span></div>
        </li>
        <li  class="li">
            <label class="label">手机号</label> 
            <input class="rg" name="tel" type="text" placeholder="可用于登录和找回密码" 
            onFocus="Msg('Msg_02','block')" onBlur="Msg('Msg_02','none')" >
            <div id="Msg_02"  class="msg" ><span>请输入中国大陆手机号,其他用户不可见</span></div>
        </li>
        <li  class="li">
            <label class="label">验证码</label> 
            <input class="rg" name="code" type="text" placeholder="请输入验证码" >
            
        </li>
        <li class="li">
            <label class="label">&nbsp;密码</label> 
            <input class="rg" name="pwd" type="password" placeholder="请设置登录密码" >
          
        </li>    
        <li>
            
            <input id="check" name="check" type="checkbox" > 
            <label class="check">阅读并接受<a href="#" >《百度用户协议》</a></label>
            
        </li>    
         <li class="sub">
            <input id="submit" type="submit"  value="注册">
            
        </li>    
    </ul>
    </form>
    </div>
    <div id="right">
        <div id="top">
            <h3>手机快速注册</h3>
        </div>
        <div id="bottom">
            <p class="text">请使用中国大陆手机号,编辑短信:</p>
            <p class="warn">6-14位字符(支持数字/字母/符号)</p>
            <p class="text">作为登录密码,发送至:</p>
            <p class="warn">1069 0691 036590</p>
            <p class="text">即可注册成功,手机号即为登录帐号。</p>
            
        </div>
    </div>
    
</div>
<div id="rg03">
    <p>2017 ©Baidu
    </p>
</div>
<div id="rg04"></div>
<script >
/*    var name="张三";
    var a=12,b=20;
    var day = new Date();    
    alert("my name is " + day.getFullYear());    
    
    
    var names=["张三","李四"];
    for(var i =0;i<names.length;i++ ){
        if (names[i]=="张三"){
            alert(names[i]);
            }
        }
    var num=[0,1,2,3,4,5,6];
    for(var i =0;i<num.length;i++ ){
        if (num[i]%2==0){
            alert(num[i]);
            }
        } 
        
        */
names=[1,2,3,4,5,6]
function search(){
    var n =prompt();
    
    for(i=0;i<names.length;i++){
        if(n==names[i]){
            alert("");
        }
    }
    alert("不在");
    
}

function Msg(id,status){
    document.getElementById(id).style.display=status;
}
                                                                                        
</script>



</body>
</html>

2、往数据库写入数据(php)

<?php
    /*$uname=$_GET['username'];
    $umobile=$_GET['tel'];
    $uid=$_GET['code'];*/
    
    /*$uname=$_POST['username'];
    $umobile=$_POST['tel'];
    $uid=$_POST['code'];*/
    
    
    //插入
    
    $con=mysql_connect("localhost:13306","root","123456");
    if($con){
        echo "sucess<br>";
    }else{
        echo "fail".mysql_error();
    }
    mysql_select_db("stu");
    mysql_query("set names utf8");
    /*$sql="insert into stu values('$uid','$uname','$umobile')";
    $res=mysql_query($sql);
    if($res){
        echo "sucess01";
    }else{
        echo "fail01".mysql_error();
    }*/
    
    //查询语句
    $query="select * from stu" ;
    $rest=mysql_query($query);
    echo "<table border='1'>";
    while($row=mysql_fetch_row($rest)){
        echo "<tr>";
        echo "<td>$row[0]</td><td>$row[1]</td><td>$row[2]</td>";
        echo "</tr>";    
    }
    echo "</table>";
    
?>
原文地址:https://www.cnblogs.com/ceshixuexi/p/7241726.html