AngularJS的filter,中文名“过滤器”是用来过滤变量的值,或者格式化输出,得到自己所期望的结果或格式的东东。AngularJS中有一个filterFilter函数用来对集合过滤,非常方便。
源代码大致如下:
function filterFilter(){ return function(aray, expression comparator){ if(!isArray(array)) return array; var comparatorType = typeof(comparator), predicates = [], evaluatedObjects = []; predicates.check = function(value){ for(var j = 0; j < predicates.length; jii){ if(!predicates[j](value){ return false; }) } return true; } if(comparatorType != 'function'{ if(comparatorType === 'boolean' && comparator){ comparator = function(obj, text){ return angular.equals(obj, text); } } else { comparator = function(obj, text){ ... } } }) } }
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controller部分如下:
angular .module('app') .controller('MainCtrl', ['$scope', function($scope) { $scope.users = $scope.users = [ {name: '', email: '', joined: 2015-1-1} ]; $scope.filter = { fuzzy: '', name: '' }; ... }]);
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搜索所有任意字段
{{user.name}} {{user.email}} {{user.joined | date}}
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搜索某个字段
{{user.name}} {{user.email}} {{user.joined | date}}
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如果想name字段完全匹配:
{{user.name}} {{user.email}} {{user.joined | date}}
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搜索时间段
contrlller部分修改为:
angular .module('app') .controller('MainCtrl', ['$scope', function($scope) { $scope.users = $scope.users = [ {name: '', email: '', joined: 2015-1-1} ]; $scope.filter = { fuzzy: '', name: '' }; $scope.minDate = new Date('January 1, 2000'); $scope.maxDate = new Date(); $scope.min = function(actual, expected) { return actual >= expected; }; $scope.max = function(actual, expected) { return actual <= expected; }; }]);
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页面部分为:
{{user.name}} {{user.email}} {{user.joined | date}}
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以上所述是小编给大家分享的Angularjs中如何使用filterFilter函数过滤的相关知识,希望对大家有所帮助。