angularjs 实现多选框分段全选效果
在前台开发过程中,列表批量选择是一个开发人员经常遇到的功能,列表批量选择的实现方式很多,但是原理基本相同,本文主要来讲angularjs如何简单的实现列表批量选择功能。
效果如下
html代码
<div class="form-group1" style="margin-top: 15px;"> <div class="input-group"> <div class="input-group-addon no-border" style="padding-left: 0px;float: left;"> <p>角色权限:</p> </div> </div> </div> <div class="" ng-repeat="todotype in todolist" style="margin-bottom: 30px;"> <div class="" style="display: flex;"> <div class="" style="background-color: rgb(229,172,78);width: 10%;padding: 1px 5px;line-height: 25px;height: 28px;"> <input style="margin-bottom: 8px;" type="checkbox" ng-model="$parent.selectall[$index]" ng-click="changeall($index)" /> <span style="color: white;font-weight: 600;"> {{todotype.type}} </span> </div> <div class="" style="padding-left: 24px;width: 100%;"> <div class="row"> <div class="col-md-2 col-sm-2" ng-repeat="obj in todolist[$index].permissionlist" style="margin-bottom: 10px;"> <input type="checkbox" ng-click="funcchange($parent.$index)" ng-model="obj.isselected" /> <span style="line-height: 25px;">{{obj.name}}</span> </div> </div> </div> </div> </div>
html里面简单建立一个表格,与批量选择相关的只有两处。
一处是ng-click="changeall($index)
,用来做全选的操作;
ng-click="funcchange($parent.$index)"
用来判断当前大类里内容是否被全选。
判断是否全选是用ng-model
进行判断 第一处ng-model="$parent.selectall[$index]"
是判断这一大类是否全选;
ng-model="obj.isselected"
是判断每一大类的每一项的选择;
控制器里的代码js文件
// 获取数据 这里具体post请求就不写了 $scope.todolist = res.data.data; for(var i = 0; i < $scope.todolist.length; i++) { angular.foreach($scope.todolist[i].permissionlist, function(i) { i.isselected = false; }) } // 数据类型如下 $scope.list = [{ permissionlist: [{ name: 'golde', // birthday: '2000-01-10', isselected: false }, { name: 'king', // birthday: '1990-01-10', isselected: false }, { name: 'mark', // birthday: '19890-01-10', isselected: false }, { name: 'marie', // birthday: '2010-01-10', isselected: false } ], type: "制造资源管理" }, { permissionlist: [{ name: 'golde1', // birthday: '2000-01-10', isselected: false }, { name: 'king1', // birthday: '1990-01-10', isselected: false }, { name: 'mark1', // birthday: '19890-01-10', isselected: false }, { name: 'marie1', // birthday: '2010-01-10', isselected: false } ], type: "制造资源管理2" }, { permissionlist: [{ name: 'golde2', // birthday: '2000-01-10', isselected: false }, { name: 'king2', // birthday: '1990-01-10', isselected: false }, { name: 'mark2', // birthday: '19890-01-10', isselected: false }, { name: 'marie2', // birthday: '2010-01-10', isselected: false } ], type: "制造资源管理3" }]; // 具体方法如下所示 // 这里初始化数组 上来全为空 $scope.selectall = []; // 对于对象进行操作的时候(点击),会执行funcchange // 判断对象数组中isselected 是否为 true或false,在决定select是否为true $scope.changeall = function(index) { //全选/取消全选 angular.foreach($scope.todolist[index].permissionlist, function(v, k) { v.isselected = $scope.selectall[index]; }) }; $scope.funcchange = function(index) { // 当所有都选中时 $scope.selectall[index] = true; angular.foreach($scope.todolist[index].permissionlist, function(v, k) { $scope.selectall[index] = $scope.selectall[index] && v.isselected; }); };
具体逻辑已经写得很清楚
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