php用户注册页面使用js进行表单验证具体实例

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这篇文章介绍了php用户注册页面利用js进行表单验证具体实例,有需要的朋友可以参考一下
代码如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml">    <head>        <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />         <title>用户注册 - 脚本学堂 - www.jbxue.com</title>        <link href="../css/login.css" rel="stylesheet" type="text/css" />        <link href="../css/page_bottom.css" rel="stylesheet" type="text/css" />        <script type="text/javascript" src="../js/jquery-1.7.1.js"></script>        <script type="text/javascript">            var flag = {                "email":false,                "nickname":false,                "password":false,                "verify":false            };            $(function(){                $("#txtEmail").blur(function () {                                        var email=$(this).val();                                        //alert(email);                                        if(email==""){                                            $("#email\\.info").html("Email地址不能为空");                                            return;                                        }                                        var pattern=/\b(^['_A-Za-z0-9-]+(\.['_A-Za-z0-9-]+)*@([A-Za-z0-9-])+(\.[A-Za-z0-9-]+)*((\.[A-Za-z0-9]{2,})|(\.[A-Za-z0-9]{2,}\.[A-Za-z0-9]{2,}))$)\b/;                                        if(!pattern.test(email)){                                            $("#email\\.info").html("Email格式不正确");                                            return;                                        }                                        $.get("check_email.php?email="+email,null,                                            function(data){                                                $("#email\\.info").html(data);                                                if (data=="可以注册") {                                                    flag.email=true;                                                }                                            }                                        );                                    });                $("#txtNickName").blur(function () {                                            var nickname=$(this).val();                                            if(nickname==""){                                                $("#name\\.info").html("昵称不能为空");                                                return;                                            }                                            var pattern = /\b(^['A-Za-z0-9]{4,20}$)\b/;                                            if (!pattern.test(nickname)) {                                                $("#name\\.info").html("昵称格式不正确");                                                return;                                            }else{                                                $("#name\\.info").html("昵称格式正确");                                                flag.nickname=true;                                                return;                                            }                                       });                $("#txtPassword").blur(function () {                                            var password=$(this).val();                                            if (password=="") {                                                $("#password\\.info").html("密码不能为空");                                                return;                                            }                                            var pattern = /\b(^['A-Za-z0-9]{4,20}$)\b/;                                            if (!pattern.test(password)) {                                                $("#password\\.info").html("密码格式不正确");                                                return;                                               }else{                                                $("#password\\.info").html("密码格式正确");                                                //flag.password=true;                                                return;                                            }                                       });                $("#txtRepeatPass").blur(function () {                                            var password1=$(this).val();                                            if (password1=="") {                                                $("#password1\\.info").html("密码不能为空");                                                return;                                            }                                            var pattern = /\b(^['A-Za-z0-9]{4,20}$)\b/;                                            if (!pattern.test(password1)) {                                                $("#password1\\.info").html("密码格式不正确");                                                return;                                               }else if(password1!=$("#txtPassword").val()){                                                $("#password1\\.info").html("两次输入的密码不一致");                                                return;                                            }else{                                                $("#password1\\.info").html("重复密码正确");                                                flag.password=true;                                                return;                                            }                                                                                    });                $("#txtVerifyCode").blur(function () {                                            var verify=$(this).val();                                            if(verify==""){                                                $("#number\\.info").html("验证码不能为空");                                                return;                                            }                                            $.post("./verify/check.php",{verify:verify},                                                function(data){                                                    $("#number\\.info").html(data);                                                    if (data=="验证成功") {                                                        flag.verify=true;                                                    }                                                }                                            );                                         })                $("#f").submit(function(){                                    var ok = flag.email&&flag.password&&flag.verify&&flag.nickname;                                    if(ok==false){                                        alert("表单项正在检测或存在错误");                                        history.back();                                        return false;                                    }                                    return true;                                });             })        </script>    </head>    <body>        <?php include("../common/head.php"); ?>        <div class="login_step">            注册步骤:<span class="red_bold">1.填写信息</span> > 2.验证邮箱 > 3.注册成功        </div>        <div class="fill_message">            <form name="ctl00" method="post" action="save_reg.php" id="f">                <h2>以下均为必填项</h2>                <table class="tab_login" >                    <tr>                        <td valign="top" class="w1">请填写您的Email地址:</td>                        <td>                            <input name="email" type="text" id="txtEmail" class="text_input"/>                            <div class="text_left" id="emailValidMsg">                                <p>请填写有效的Email地址。</p>                                <span id="email.info" style="color:red"></span>                            </div>                        </td>                    </tr>                    <tr>                        <td valign="top" class="w1">设置您在脚本之家的昵称:</td>                        <td>                            <input name="nickname" type="text" id="txtNickName" class="text_input" />                            <div class="text_left" id="nickNameValidMsg">                                <p>由小写英文字母、中文、数字组成,长度4-20个字符,一个汉字为两个字符。</p>                                <span id="name.info" style="color:red"></span>                            </div>                        </td>                    </tr>                    <tr>                        <td valign="top" class="w1">设置密码:</td>                        <td>                            <input name="password" type="password" id="txtPassword" class="text_input" />                            <div class="text_left" id="passwordValidMsg">                                <p>您的密码可以由大小写英文字母、数字组成,长度6-20位。</p>                                <span id="password.info" style="color:red"></span>                            </div>                        </td>                    </tr>                    <tr>                        <td valign="top" class="w1">再次输入您设置的密码:</td>                        <td>                            <input name="password1" type="password" id="txtRepeatPass" class="text_input"/>                            <div class="text_left" id="repeatPassValidMsg">                            <span id="password1.info" style="color:red"></span>                            </div>                        </td>                    </tr>                    <tr>                        <td valign="top" class="w1">验证码:</td>                        <td>                            <img class="yzm_img" id='imgVcode' src='./verify/verify.php' style="cursor:pointer" border='0' onclick="document.getElementById('imgVcode').src='./verify/verify.php?t='+Math.random()"/>                            <input name="number" type="text" id="txtVerifyCode" class="yzm_input"/>                            <div class="text_left t1">                                <p class="t1">                                    <span id="vcodeValidMsg">请输入图片中的四个字母。</span>                                                                        <a href="#" style="cursor:pointer" onclick="document.getElementById('imgVcode').src='./verify/verify.php?t='+Math.random()">看不清楚?换个图片</a>                                    <br />                                    <span id="number.info" style="color:red"></span>                                </p>                            </div>                        </td>                    </tr>                </table>                <div class="login_in">                    <input id="btnClientRegister" class="button_1" name="submit" type="submit" value="注 册"/>                </div>            </form>        </div>        <?php include("../common/foot.php"); ?>    </body></html>
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