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angularJS 过滤器练习

时间：2023-09-22 15:45:54

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angularJS 过滤器练习

本例展示产品列表，使用angular过滤器 orderBy对产品进行排序，具体是点击列标题时交替进行正序倒序排列；同时使用angular过滤器 filter 可根据输入的产品名称搜索出对应产品，实现模糊查询。

页面运行如下：

输入"pad" 则自动显示相关产品，点击“产品价格”按价格低到高排序：

html:

<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>Title</title><link rel="stylesheet" href="../../vendor/bootstrap3/css/bootstrap.css"><script src="http://cdn./libs/angular.js/1.4.6/angular.min.js"></script><script src="app/index2.js"></script><style>.redColor{ color:red; }</style></head><body><div class="container" ng-app="product" ng-controller="productController"><nav class="navbar navbar-default" role="navigation"><div class="container-fluid"><div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1"><form class="navbar-form navbar-left" role="search"><div class="form-group"><input type="text" ng-model="search" class="form-control" placeholder="产品名称"></div></form></div></div></nav><table class="table"><thead><tr><th ng-click="sortProduct('id')" ng-class="{ dropup : orderSign=='' }">产品编号<span ng-class="{ redColor : orderColumn=='id' }" class="caret"></span></th><th ng-click="sortProduct('name')" ng-class="{ dropup : orderSign=='' }">产品名称<span ng-class="{ redColor : orderColumn=='name' }" class="caret"></span></th><th ng-click="sortProduct('price')" ng-class="{ dropup : orderSign=='' }">产品价格<span ng-class="{ redColor : orderColumn=='price' }" class="caret"></span></th></tr></thead><tbody><tr ng-repeat="item in productList | filter:{'name':search} | orderBy:(orderSign + orderColumn) "><td>{{item.id}}</td><td>{{item.name}}</td><td>{{item.price | currency:'(RMB)'}}</td></tr></tbody></table></div></body></html>

index2.js

angular.module('product',[]).factory('productList',function(){return [{ id:910,name:"imac",price:15400 },{ id:80,name:"iphone",price:5400 },{ id:29,name:"ipad",price:1420 },{ id:500,name:"ipad air",price:2340 },{ id:1200,name:"ipad mini",price:2200 }]}).controller('productController',function($scope,productList){$scope.productList=productList;$scope.orderColumn='name'; //排序字段$scope.orderSign='-';//为空时正序为负号时倒序$scope.sortProduct=function(sortColumn){ //点击列标题排序事件$scope.orderColumn=sortColumn;if($scope.orderSign=="-"){$scope.orderSign="";}else{$scope.orderSign='-';}};});