angularjs之ng-repate

发布时间：2020-12-17 09:11:56 所属栏目：安全来源：网络整理

导读：!DOCTYPE htmlhtmlhead meta charset="utf-8" script src="http://cdn.static.runoob.com/libs/angular.js/1.4.6/angular.min.js"/script/headbody ng-app="kongwc" div ng-controller="myCtrl" !--$first 第一条 $middle中间几条 $last最后一条 -- ul li ng

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <script src="http://cdn.static.runoob.com/libs/angular.js/1.4.6/angular.min.js"></script>
</head>
<body ng-app="kongwc">
    <div ng-controller="myCtrl">
        <!--$first 第一条 $middle中间几条  $last最后一条  -->
        <ul>
            <li ng-repeat="(k,stu) in students">
                <span ng-if="$first" style="{{$first?'color:lightgreen':''}}">姓名:{{stu.name}}  性别:{{stu.value}}</span>
                <span ng-if="$middle" style="{{$middle?'color:lightblue':''}}">姓名:{{stu.name}}  性别:{{stu.value}}</span>
                <span ng-if="$last" style="{{$last?'color:gray':''}}">姓名:{{stu.name}}  性别:{{stu.value}}</span>
            </li>
        </ul>
        <hr/>
        <!--$even 偶数条  $odd 奇数-->
        <ul>
            <li ng-repeat="(k,stu) in students">
                <span style="{{$odd?'color:lightgreen':'color:lightblue'}}">姓名:{{stu.name}}  性别:{{stu.value}}</span>
            </li>
        </ul>
        <hr/>
        <ul>
            <!--若repeatData中有重复数据时，要用track by $index 否则不会显示出来-->
            <li ng-repeat="(k,data) in repeatData track by $index">
                <span style="{{$odd?'color:lightgreen':'color:lightblue'}}">{{data}}</span>
            </li>
        </ul>
    </div>
    <script>
        var app = angular.module("kongwc",[]);
        app.controller("myCtrl",function ($scope) {
            $scope.students =  [
                {name:'小白牛',value :'男'},{name:'迷迭香',value:'女'},{name:'末日使者',value:'男'},{name:'黑暗游侠',value:'女'}
            ];

            $scope.repeatData = ['小白牛','迷迭香','小白牛'];
        });
        
    </script>
</body>
</html>

注：本文参考后盾angularjs教学视频

（编辑：李大同）

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