时间:2021-07-01 10:21:17 帮助过:27人阅读
常用的过滤器:
currency 货币样式的过滤器
date 日期
uppercase/lowercase 大小写的处理
orderBy 对指定的数组进行升序或者降序排列
number 格式化数字为文本(对有小数点的数据的处理)
limitTo 限定数组或者字符串要显示的个数
<!DOCTYPE html><html ng-app="myApp"><head lang="en"> <meta charset="UTF-8"> <title></title> <script src="js/angular.js"></script></head><body><p ng-controller="myCtrl"> <table> <thead> <tr> <th>名字</th> <th>分数</th> <th>年龄</th> </tr> </thead> <tbody> <tr ng-repeat="stu in stuList | orderBy:'score':true | limitTo:3"> <td>{{stu.name}}</td> <td>{{stu.score}}</td> <td>{{stu.age}}</td> </tr> </tbody> </table></p><script> var app = angular.module('myApp', ['ng']); app.controller('myCtrl', function ($scope) { $scope.stuList = [ {name:'Mary0',age:20,score:80}, {name:'Mary1',age:21,score:70}, {name:'Mary2',age:22,score:88}, {name:'Mary3',age:23,score:90}, {name:'Mary4',age:24,score:60} ] });</script></body></html>
app.filter(‘过滤器名称’,function(){
return function(input,arg){
//input是传递给过滤器的数据
//arg 是过滤器本身的参数
return ‘过滤后的结果’
}
})
<!DOCTYPE html><html ng-app="myApp"><head lang="en"> <meta charset="UTF-8"> <title></title> <script src="js/angular.js"></script></head><body><p ng-controller="myCtrl"> <!-- 将price所对应的值通过管道传递给自定义的过滤器--> <h1>{{price | myFilter:'¥' }}</h1></p><script> var app = angular.module('myApp', ['ng']); //创建过滤器:过滤器的本质是方法,有输入有输出 app.filter('myFilter', function () { return function (input,arg) { console.log( '输入为'+input+" 过滤器的参数为:"+arg); var output = arg+input; return output; } }) app.controller('myCtrl', function ($scope) { $scope.price = 100; });</script></body></html>
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