如何在angularjs中输入为空时禁用表单提交
我有一个表单，我想在输入字段为空时禁用表单提交。我想在用户单击submit按钮时显示一个错误，其中输入字段为空。我不想在默认情况下显示错误如何在angularjs中输入为空时禁用表单提交,angularjs,Angularjs,我有一个表单，我想在输入字段为空时禁用表单提交。我想在用户单击submit按钮时显示一个错误，其中输入字段为空。我不想在默认情况下显示错误 <%@page contentType="text/html" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; char
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script src="${pageContext.request.contextPath}/js/Registratonvalidation.js"></script>
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
<script>
angular.module('myApp', []).controller("numOnlyRegex", function ($scope)
{
$scope.numOnlyRegex = /^\d{1,6}$/;
});
</script>
<!--<script src="${pageContext.request.contextPath}/numOnlyRegex.js"></script>-->
<title>Registration Form</title>
</head>
<body>
<div class="container">
<div class="col-md-6 col-md-offset-3">
<div class="panel panel-login">
<div class="panel-body">
<div class="row">
<div class="col-lg-12">
<h2 class="text-muted">Registration form</h2>
<!--onSubmit="return validate()"-->
<div ng-app="myApp" ng-controller="numOnlyRegex">
<form name="myForm" action="RegistrationServlet.do" method="POST" novalidate >
First name:<input type="text" class="form-control input-sm" name="uname" ng-pattern="/^[a-zA-Z]{3,20}/" ng-model="uname" placeholder="First Name" required/>
<span style="color:red" ng-show="myForm.uname.$error.pattern">First name cannot be less than 3 letters with no digits</span><br/>
Last name:<input type="text" class="form-control input-sm" name="lname" ng-model="lname" name="uname" ng-pattern="/^[a-zA-]{3,20}/" required placeholder="Last Name"/>
<span style="color:red" ng-show="myForm.lname.$error.pattern">First name cannot be less than 3 letters with no digits</span><br/>
<p>Password:
<input type="password" class="form-control input-sm glyphicon glyphicon-ok" name="pwd" ng-minlength="3" ng-model="pwd" required placeholder="Password"/>
<span style="color:red" ng-show="myForm.pwd.$error.minlength">password cannot be less than 3 letters</span><br/>
Confirm Password:<input type="password" class="form-control input-sm glyphicon glyphicon-ok" name="pwd2" ng-minlength="3" ng-model="pwd2" required placeholder="Confirm Password"/><br/>
<span style="color:red" ng-show="myForm.pwd2.$error.minlength">password cannot be less than 3 letters</span><br/>
Gender: <input type="radio" name="female" ng-model="color" value="female" ng-required="!color"/>Female <input type="radio" name="male" ng-model="color" value="male" ng-required="!color"/>Male <br/><br/>
Mobile:<input type="text" class="form-control input-sm" name="mobile" ng-pattern="/^[7-9][0-9]{1,9}$/" ng-model="mobile" required placeholder="Mobile"/>
<span style="color:red" ng-show="myForm.mobile.$error.pattern">Please enter a valid mobile number</span><br/>
Email:<input type="email" class="form-control input-sm" name="email" ng-pattern="/\S+@\S+\.\S+/" ng-model="email" required placeholder="Email"/>
<span style="color:red" ng-show="myForm.email.$error.pattern">Invalid email address</span><br/>
Address:<textarea class="form-control input-sm" name="address" ng-model="address" required placeholder="Address"></textarea>
<span style="color:red" ng-show="myForm.address.$error.require==true">Address cannot be empty</span><br/>
Street:<input type="text" class="form-control input-sm" name="street" ng-model="street" required placeholder="Street"/>
Area:<input type="text" class="form-control input-sm" name="area" ng-model="area" required placeholder="Area"/>
City: <select name="city" class="form-control" ng-model="city" required>
<option value="hyderabad">Hyderabad</option>
<option value="secunderabad">Secunderabad</option>
<option value="delhi">Delhi</option>
<option value="mumbai">Mumbai</option>
</select><br/>
State: <input type="text" class="form-control input-sm" name="state" ng-model="state" required placeholder="State"/>
Country: <input type="text" class="form-control input-sm" name="country" ng-model="country" required placeholder="Country"/>
Pin:<input type="text" class="form-control input-sm" ng-pattern="numOnlyRegex" name="pin" ng-model="pin" required placeholder="Pin"/>
<span style="color:red" ng-show="myForm.pin.$error.pattern">Only six-digit number is allowed</span>
<input type="Submit" class="form-control btn btn-success" value="Submit" />
<!--ng-disabled="myForm.$invalid"-->
</form>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
角度.module（'myApp'，[]）.controller（'numOnlyRegex'，function（$scope）
{
$scope.numOnlyRegex=/^\d{1,6}$/；
});
登记表
登记表
名字：
名字不能少于3个没有数字的字母
姓氏：
名字不能少于3个没有数字的字母
密码：
密码不能少于3个字母
确认密码：
密码不能少于3个字母
性别：女男
流动电话：
请输入有效的手机号码
电邮：
无效的电子邮件地址
地址:
地址不能为空
街道：
面积：
城市：
海得拉巴
塞康德拉巴德
德里
孟买
声明：
国家：
别针：
只允许使用六位数字
删除表单上的
novalidateng禁用所需的html选项$scope.cityArray=[“海得拉巴”、“塞昆德拉巴德”、“德里”、“孟买”]；
$scope.cityArray= ["hyderabad","secunderabad","delhi","mumbai"];
<select ng-model = "city" ng-options="city for city in cityArray" name='city'>
</select>
必需必需的ng disabled $scope.cityArray= ["hyderabad","secunderabad","delhi","mumbai"];
<select ng-model = "city" ng-options="city for city in cityArray" name='city'>
</select>