莱农美食网
您的当前位置:首页AngularJS之ng-if指令

AngularJS之ng-if指令

来源:莱农美食网
 1、问题背景

AngularJS利用ng-if指令来判断对象元素是否为空

2、实现源码

<!DOCTYPE html>
<html ng-app="ifApp">
	<head>
	<meta charset="UTF-8">
	<title>AngularJS之ng-if指令</title>
	<script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>
	<script>
	var app = angular.module("ifApp",[]);
	app.controller("ifController",function($scope){
	$scope.person = {
	name:{
	username:"张三",
	sex:"男",
	age:"23"
	},
	scores:{
	item:"语文",score:"123"
	}
	};
	});
	</script>
	</head>
	<body ng-controller="ifController">
	<p ng-if="person != null">
	<p ng-repeat="p in person">
	<p ng-if="person.name != null">
	<label>{{p.username}}</label>
	</p>
	</p>
	</p>
	</body>
</html>


3、实现结果

显示全文