昨天自己写了一小段js，在全选的时候有点儿小坑，然后，整理了一下。今天把它贴出来，希望以后还记得。
大家也可以去github上查看或下载：https://github.com/dreamITGirl/projectStudy/tree/master/html
我在用angular实现表格的全选时，是给了一个标记--就是一个空数组，每次有个别项选中，我都会push一个数字，当有选项从选中状态到未选中变化时，我就让该数组弹出一个数字。这样就可以实现了。我实现的个别删除和全部删除是从页面删除的，并没有操作json对象，因此，在真正项目中使用的话，还需要加上ajax请求，同时删除服务器上的数据。
代码：
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>表格的全选，删除</title> <link rel="stylesheet" href="../css/bootstrap.min.css"/> <style type="text/css"> table th { text-align: center; } input[type="checkbox"] { width: 20px; height: 20px; } </style> </head> <body ng-app="myApp" ng-controller="myCtrl"> <table border="" cellspacing="" cellpadding="" class="table" style="text-align: center;"> <tr> <th><input type="checkbox" ng-model="selectedAll" ng-click="selectAll()"/></th> <th>姓名</th> <th>年龄</th> <th>性别</th> <th>民族</th> <th ng-click="delAll($event)" style="cursor:pointer">全部删除</th> </tr> <tr ng-repeat="item in items"> <td><input type="checkbox" ng-model="item.states" ng-change="selectOne(item.states)"/></td> <td>{{item.name}}</td> <td>{{item.age}}</td> <td>{{item.sex}}</td> <td>{{item.national}}</td> <td ng-click="del($event)" style="cursor: pointer">删除</td> </tr> </table> <script type="text/javascript" src="../js/jquery-2.1.3.min.js"></script> <script type="text/javascript" src="../js/angular.js"></script> <script type="text/javascript"> var app = angular.module("myApp", []); app.controller("myCtrl", function ($scope, $http) { //设置默认为表格非全选 $scope.selectedAll = false; $scope.state = []; $http({ method: "GET", url: "http://localhost:63342/projectStudy/json/selected.json" }).then(function successCallback(response) { console.log(response); $scope.items = response.data.dataList; }, function errorCallback(response) { console.log(response) }); //全选 $scope.selectAll = function () { for (var i = 0; i < $scope.items.length; i++) { if ($scope.selectedAll) { $scope.items[i].states = true; $scope.state = [1, 1, 1, 1, 1]; } else { $scope.state = []; $scope.items[i].states = false; } console.log($scope.state) } }; //单选 $scope.selectOne = function (m) { if (m == true) { $scope.state.push(1); console.log($scope.state.length); if ($scope.state.length == $scope.items.length) { $scope.selectedAll = true } else { $scope.selectedAll = false; } console.log($scope.state); } else { console.log(m); $scope.state.pop(1); $scope.changed(m); } }; $scope.changed = function (a) { if (a == true) { $scope.state.push(1); console.log($scope.state.length); if ($scope.state.length == $scope.items.length) { $scope.selectedAll = true } else { $scope.selectedAll = false; } } else { console.log(a); $scope.selectedAll = false; } } //删除单个选项 $scope.del = function (event) { //样式的删除 console.log($(event.target).parent().html()); $(event.target).parent().remove(); } //删除全部选项 $scope.delAll = function (event) { if ($scope.selectedAll == true) { // console.log( $(event.target).siblings().html()) $(event.target).parent().siblings().remove(); $scope.selectedAll = false; } else { alert('尚未选择要删除的项') } } }) </script> </body> </html>