如何在ng-repeat中显示接下来的15个项目?

0 javascript angularjs angular-ui angularjs-scope angularjs-ng-repeat

我目前正在使用角度ng-repeat.

当用户点击"下一步15"的按钮时,我想显示下15个项目.我不想从数组中弹出项目,我只想隐藏前15个,并将show限制为接下来的15个.

此外,当用户点击"上一页15"时,我只想显示前15个项目.

这是我到目前为止:

HTML:

<div ng-controller="ctrlIndex as vm">


    <ul ng-repeat=" item in vm.items | limitTo: 15 * vm.page
                                 | limitTo: 15 * vm.page < count ? limitTo: 15 * vm.page : 15 - (15 * vm.page - count)"/>
        <li>{{ item }}</li>
    </ul>
<div><button ng-click="vm.next()">Next 15</button></div>
<div><button ng-click="vm.back()">Prev 15</button></div>
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使用Javascript:

 var app = angular.module('app', []);

 3app.controller('ctrlIndex', function(){

    var vm = this;
    vm.numRecords = 15;
    vm.page = 1;

    vm.items = []
    for (var i = 0; i < 1000000; ++i) {
        vm.items.push('item : ' + i);
    }

    vm.next = function(){
        vm.page = vm.page + 1;
    };

    vm.back = function(){
        vm.page = vm.page - 1;
    };
});
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cam*_*kid 7

你去吧 - 普兰克

标记

<body ng-app="app">
    <div ng-controller="ctrlIndex as vm">
        <ul ng-repeat="item in vm.items track by $index"
      ng-show="(($index < (vm.page * vm.numRecords)) && ($index >= ((vm.page - 1) * vm.numRecords)))">
            <li>{{ item }}</li>
        </ul>

        <div><button ng-click="vm.next()">Next 15</button></div>
        <div><button ng-click="vm.back()">Prev 15</button></div>
    </div>
</body>
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