MySQLi的HTML表单插入数据库 无法写入不知道是哪里变量值问题

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>MYZTGAME</title>
</head>
<style>
    .header {
        position: absolute;
        top: 0px;
        left: 0px;
        right: 0px;
        height: 60px;
        background-color: #009aff;
        color: #fff;
    }
    .content {
        margin-top: 100px;
    }
    .greenbg {
        width: 100%;
        background-color: #0f0;
    }
    .greenbr {
        text-align: center;
        border: solid;
        border-radius: 8px;
        border-color: #f00;
        color: #000;
    }
    .submit {
        height: 45px;
    }
    .fit {
        width: 100%;
		text-align: center;
        border-radius: 5px;
        border-color: #f00;
        color: #000;
    }
    .row {
        margin-top: 10px;
    }
    .panal {
        width: 80%;
        margin: 0 auto;
        margin-bottom: 20px;
    }
    .box {
        margin-bottom: 20x;
    }
</style>
<script>
    function CheckInput(){
	if(document.getElementById("account").value == ""){alert("请输入您的游戏账号!");document.getElementById("account").focus();return false;}
	if(!isPhoneAvailable(document.getElementById("account").value)){alert("游戏账号必须是邮箱地址!");document.getElementById("account").focus();return false;}
	if(document.getElementById("POINT").value == ""){alert("请输入充值数量!");document.getElementById("POINT").focus();return false;}
	if(document.getElementById("POINT").value.length<7){alert("最少充值数量100锭起步!");document.getElementById("POINT").focus();return false;}
	return true;}
var mailReg = /^[a-zA-Z0-9]{3,16}[a-zA-Z0-9]@[a-zA-Z0-9]+\.[a-zA-Z]{2,3}$/;function isPhoneAvailable(phonevalue){if(mailReg.test(phonevalue)){return true;}else{return false;}}

    function getByClass(parent, cls) {
        if (parent.getElementsByClassName) {
            return parent.getElementsByClassName(cls);
        } else {
            var res = [];
            var reg = new RegExp(' ' + cls + ' ', 'i')
            var ele = parent.getElementsByTagName('*');
            for (var i = 0; i < ele.length; i++) {
                if (reg.test(' ' + ele[i].className + ' ')) {
                    res.push(ele[i]);
                }
            }
            return res;
        }
    }
    function get(index) {
        var choose = getByClass(document, 'greenbr');
        for (let i = 0; i < choose.length; i++) {            
            choose[i].style.backgroundColor = "#fff";
            choose[i].style.color = "#000";
        }
        choose[index].style.backgroundColor = "#f00";
        choose[index].style.color = "#fff";
        var count = document.getElementById("count");
        if(index == 1) { POINT = 4000000; } else
        if(index == 2) { POINT = 8000000; } else
        if(index == 3) { POINT = 15000000; } else
        if(index == 4) { POINT = 35000000; } else
        if(index == 5) { POINT = 60000000; } else
        { POINT = 2000000; }
        POINT.value = POINT;
    }    
</script>
<body>
    <div class="header text-center" style="text-align:center;color:#000"">
        <h3>游戏充值系统</h3>
    </div>
    <div class="content">
        <div class="panal">
            <div class="row">
                <div class="col-xs-5 greenbr" onclick="get(0)" style="background-color:#f00;color:#fff">
                    <strong>建议售价:100.00元宝</strong>
                    <br>200锭金子</br>
                </div>
				<br>
                <div class="col-xs-offset-2 col-xs-5 greenbr" onclick="get(1)">
                    <strong>建议售价:200.00元宝</strong>
                    <br>400锭金子</br>
                </div>
				<br>
                <div class="col-xs-5 greenbr" onclick="get(2)">
                    <strong>建议售价:300.00元宝</strong>
                    <br>800锭金子</br>
                </div>
				<br>
                <div class="col-xs-offset-2 col-xs-5 greenbr" onclick="get(3)">
                    <strong>建议售价:500.00元宝</strong>
                    <br>1500锭金子</br>
                </div>
				<br>
                <div class="col-xs-5 greenbr" onclick="get(4)">
                    <strong>建议售价:1000.00元宝</strong>
                    <br>3500锭金子</br>
                </div>
				<br>
                <div class="col-xs-offset-2 col-xs-5 greenbr" onclick="get(5)">
                    <strong>建议售价:1500.00元宝</strong>
                    <br>6000锭金子</br>
                </div>
            </div>
        </div>
        <hr>
        <form class="form panal" method="get" onSubmit="return CheckInput();" action="?action=save">
            <div class="form-group row box">
                <label for="account" class="col-xs-3 control-label">游戏账号:<font color="#FF0000">*</font></label>
                <div class="col-xs-9">
                    <input type="text" class="form-control" id="account" name="account" size="36" placeholder="请输入需充值的邮箱账号">
                </div>
            </div>
            <div class="form-group row box">
                <label for="POINT" class="col-xs-3 control-label">金子数量:(文)<font color="#FF0000">*</font></label>
                <div class="col-xs-9">
                    <input type="text" class="form-control" id="POINT" name="POINT" size="36" placeholder="请选择充值金额" readonly value="">
                </div>
            </div>
			<br>
            <div class="form-group row box">
                <label for="codes" class="col-xs-3 control-label">验证码:<font color="#FF0000">*</font></label>
                <div class="col-xs-9">
                    <input type="text" name="codes" id="codes" size="12">
                    <img src="code.php" onclick="this.src='code.php?'+new Date().getTime();" width="150" height="50">
                </div>
            </div>
			<br>
            <div class="form-group row box">
                <div class="col-xs-12 fit">
                    <button type="submit" style="background-color:#f00;color:#fff" class="btn btn-success fit">立即充值</button>
					<p>温馨提示:1<font color="#FF0000">0000</font>文=1锭金子</p>
                </div>
            </div>
        </form>
    </div>
</body>
</html>
<?php
$dbConf= array(  
		'host'=>'127.0.0.1',  
		'user'=>'MYZTsunify00',  
		'password'=>'ns3ZS4a5shhKZ6shWwHPf',
		'dbName'=>'MYZTsunifgy00',  
		'charSet'=>'utf8',  
		'port'=>'3306');
function openDb($dbConf){$conn=mysqli_connect($dbConf['host'],$dbConf['user'],$dbConf['password'],$dbConf['dbName'],$dbConf['port']) or die('打开失败');mysqli_set_charset($conn,$dbConf['charSet']);return$conn;}  
function closeDb($conn){mysqli_close($conn);}$conn=openDb($dbConf);  
if(isset($_GET["action"])){session_start();$codes = $_POST["codes"];
if(strtolower($_SESSION["captcha"]) != strtolower($codes))
{echo "<h1>验证码错误!</h1>";$_SESSION["captcha"] = "";}
else{if($_GET["action"]=="save"){$account=$_POST["account"];$POINT=$_POST["POINT"];
		$sql="UPDATE POINTBONUS0000 set POINT=POINT+'$POINT' where ACCOUNT='$account'";  
		$rs=$conn->query($sql);echo "<h1>注册成功!请妥善保管。游戏账号:".$account."</h1>";}}}closeDb($conn);  
?>