练习写了个注册页面,把值发给后台打印总为空,最后发现是因为提交前的校验必填项是否填写时清空了表单,为什么会有这种效果?如果解决呢?求大佬指点一二.
function zhuce(){
check=true;
$("input[required='required']").val(function(i,e){
if(e==""){ check=false; }
}); if (check==false){
alert("必填项未填写")
}else {
tj(); }
}
function zhuce(){
check=true;
$("input[required='required']").val(function(i,e){
if(e==""){ check=false; }
}); if (check==false){
alert("必填项未填写")
}else {
tj(); }
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"></meta>
<link href="css/bootstrap.css" rel="stylesheet"/>
<title>
注册
</title></head>
<body>
<div class="container">
<div class="col-md-6 col-md-offset-3" id="form-container">
<h1 class="text-center">
用 户 注 册
</h1>
<!--action="register"-->
<form class="form-inline" method="post" role="form">
<div class="form-group" style="padding-bottom: 8px;">
<label class="col-md-6 text-center" for="yhm" style="margin-bottom: -2px;color: red;">
用户名 :
</label>
<div class="col-md-6">
<input class="form-control" id="yhm" name="yhm" onblur="checkyhm()" required="required" type="text"/>
<p id="yhmError" style="margin-bottom: -2px;color: red;">
</p>
</div>
</div>
<div class="form-group" style="padding-bottom: 8px;">
<label class="col-md-6 text-center" for="password" style="margin-bottom: -2px;color: red;">
密 码 :
</label>
<div class="col-md-6">
<input class="form-control" id="password" name="password" required="required" type="password"/>
<p id="passwordError" style="margin-bottom: -2px;color: red;">
</p>
</div>
</div>
<div class="form-group" style="padding-bottom: 8px;">
<label class="col-md-6 text-center" for="rePassword" style="margin-bottom: -2px;color: red;">
确认密码:
</label>
<div class="col-md-6">
<input class="form-control" id="rePassword" name="rePassword" onblur="checkrePassword()" required="required" type="password"/>
<p id="rePasswordError" style="margin-bottom: -2px;color: red;">
</p>
</div>
</div>
<div class="form-group" style="padding-bottom: 8px;">
<label class="col-md-6 text-center" for="name" style="margin-bottom: -2px;color: red;">
手机 号 :
</label>
<div class="col-md-6">
<input class="form-control" id="name" name="name" required="required" type="text"/>
<p id="nameError" style="margin-bottom: -2px;color: red;">
</p>
</div>
</div>
<div class="form-group" style="padding-bottom: 8px;">
<label class="col-md-6 text-center" for="email" >
邮 箱 :
</label>
<div class="col-md-6">
<input class="form-control" id="email" name="email" type="text"/>
<p id="emailError" style="margin-bottom: -2px;color: red;">
</p>
</div>
</div>
<div class="form-group" style="padding-bottom: 8px;">
<label class="col-md-6 text-center" for="qq" >
Q Q :
</label>
<div class="col-md-6">
<input class="form-control" id="qq" name="qq" type="text"/>
<p id="qqError" style="margin-bottom: -2px;color: red;">
</p>
</div>
</div>
<div class="form-group" style="padding-bottom: 8px;">
<label class="col-md-6 text-center" for="xm" style="margin-bottom: -2px;color: red;">
姓    名 :
</label>
<div class="col-md-6">
<input class="form-control" id="xm" name="xm" required="required" type="text"/>
<p id="xmError" style="margin-bottom: -2px;color: red;">
</p>
</div>
</div>
<div class="form-group" style="padding-bottom: 8px;">
<label class="col-md-6 text-center" for="age" style="margin-bottom: -2px;color: red;">
年    龄 :
</label>
<div class="col-md-6">
<input class="form-control" id="age" name="age" required="required" type="text"/>
<p id="ageError" style="margin-bottom: -2px;color: red;">
</p>
</div>
</div>
<br />
<div style="margin-left: 15px ; margin-bottom: 10px;" class="form-group" style="padding-bottom: 8px;">
<label class="col-md-6 text-center" for="mz">
  民    族 :
</label>
<div class="col-md-6">
<select class="form-control" id="mz" name="mz" type="text">
<option value="0">请选择</option>
<option value="1">汉</option>
<option value="1">其他</option>
</select>
<p id="ageError" style="margin-bottom: -2px;color: red;">
</p>
</div>
</div>
<br />
<div style="margin-left: 15px ;" class="form-group" style="padding-bottom: 8px;">
<label class="col-md-6 text-center" for="mz" style="margin-bottom: -2px;color: red;">
  性    别 :
</label>
<div class="col-md-6">
<select class="form-control" id="xb" required="required" name="xb">
<option value="">请选择</option>
<option value="1">男</option>
<option value="2">女</option>
</select>
<p id="xmError" style="margin-bottom: -2px;color: red;">
</p>
</div>
</div>
<!--<input type="text" onblur="tj()">-->
<div class="col-lg-10" style="margin-bottom: 8px">
<button class="btn btn-primary btn-block" type="button" onclick="zhuce()" >注册</button>
</div>
</form>
</div>
</div>
</body>
<script src="js/jquery.js" ></script>
<script>
function checkyhm(){
var yhm=$("#yhm").val();
console.log("1"+yhm)
$.ajax({
url: "account.xml",
dataType: 'xml',
type: 'GET',
timeout: 2000,
error: function(xml)
{
alert("加载XML 文件出错!");
},
success: function(xml)
{
$(xml).find("account").each(function(i)
{ var name = $(this).children("loginname").text();
if (name==yhm){ alert("用户名已存在");
$("#yhmError").html("");
}else {
$("#yhmError").html("可用");
}
});
}
});
}
function checkrePassword () {
let ps= $("#password").val();
let psq=$("#rePassword").val();
if(psq==ps){
alert("密码可使用")
}else{
alert("俩次输入不一致")
}
}
let check=false
function zhuce(){
check=true;
$("input[required='required']").val(function(i,e){
if(e==""){ check=false; }
}); if (check==false){
alert("必填项未填写")
}else {
tj(); }
}
function tj() {
var data=$("form").serialize();
var yhm=$("#yhm").val();
console.log(yhm)
$.post("zhuce",//url
data,//data
function(msg){
if (msg.flag="true"){
alert("注册成功")
}
},
"json");
}</script></html>
if($(this).val()===""){
check=false;
}
});
你红色部分改成这个试一下看行不