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在我们平常的开发中,有时候会需要获取一下check框选中的值,以及check框选中行的所有信息。这个时候有一个小技巧那就是我们可以把要获取的信息全部放到check框的值里面,这样我们可以获取check框选中值的时候也就相当于获取了当前行的信息。<td><input class="states" type="checkbox" name="orders" value="{{e.merchantId}},{{e.orderCode}},{{e.userId}}"/></td>
全选全不选:
var bischecked=$('#cboxchecked').is(':checked');
var fruit=$('input[name="orders"]');
fruit.prop('checked',bischecked);这里为什么要用prop而不用attr,这是因为
$('input[name="orders"]:checked').each(function(){
var sfruit=$(this).val();
var orders=sfruit.split(",");
var reminder=new Object();
reminder.merchantId=orders[0];
reminder.orderCode=orders[1];
reminder.userId=orders[2];
});angularjs实现:首先看一下html代码:
1 <!DOCTYPE html>
2 <html data-ng-app="App">
3 <head>
4 <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.8/angular.min.js"></script>
5 <script src="script2.js"></script>
6 </head>
7 <body data-ng-controller="AddStyleCtrl">
8
9 <div>Choose Tags</div>
10 <div>
11 <div>You have choosen:</div>
12 <hr>
13 <label data-ng-repeat="selectedTag in selectedTags">
14 (({{selectedTag}}))
15 </label>
16 <hr>
17 <div data-ng-repeat="category in tagcategories">
18 <div>{{ category.name }}</div>
19 <div data-ng-repeat="tag in category.tags">
20 <div>
21 <input type="checkbox" id={{tag.id}} name="{{tag.name}}" ng-checked="isSelected(tag.id)" ng-click="updateSelection($event,tag.id)">
22 {{ tag.name }}
23 </div>
24 </div>
25 <hr>
26 </div>
27 </div>
28
29 <pre>{{selected|json}}</pre>
30 <pre>{{selectedTags|json}}</pre>
31
32 </body>
33 </html>
line2 定义了AngularJS App;
line4 引入angularjs脚本;
line5 引入自己写的script2.js脚本;
line7 指定控制器AddStyleCtrl
line13-15 实时显示已选标签给用户看;
line17-line26 使用双重循环列出数据库(本例中就存储在了controller的一个对象里)中的数据;
line21的这行代码作用可大了:<inputtype="checkbox" id={{tag.id}}name="{{tag.name}}" ng-checked="isSelected(tag.id)" ng-click="updateSelection($event,tag.id)">
存储了tag的id,name,利用isSelected(tag.id)来判断是否被checked,点击时候调用updateSelection($event,tag.id)方法;
如果想 ng-click 触发的函数里获取到该触发该函数的元素不能直接传入 this ,而需要传入
line29-30 是测试时候给自己看的,可以看到selected数组和selectedTags数组中的内容;
然后看看AngularJS代码:(script2.js)
1 /**
2 * Created by zh on 20/05/15.
3 */
4 // Code goes here
5
6 var iApp = angular.module("App", []);
7
8
9
10 iApp.controller('AddStyleCtrl', function($scope)
11 {
12 $scope.tagcategories = [
13 {
14 id: 1,
15 name: 'Color',
16 tags: [
17 {
18 id:1,
19 name:'color1'
20 },
21 {
22 id:2,
23 name:'color2'
24 },
25 {
26 id:3,
27 name:'color3'
28 },
29 {
30 id:4,
31 name:'color4'
32 },
33 ]
34 },
35 {
36 id:2,
37 name:'Cat',
38 tags:[
39 {
40 id:5,
41 name:'cat1'
42 },
43 {
44 id:6,
45 name:'cat2'
46 },
47 ]
48 },
49 {
50 id:3,
51 name:'Scenario',
52 tags:[
53 {
54 id:7,
55 name:'Home'
56 },
57 {
58 id:8,
59 name:'Work'
60 },
61 ]
62 }
63 ];
64
65 $scope.selected = [];
66 $scope.selectedTags = [];
67
68 var updateSelected = function(action,id,name){
69 if(action == 'add' && $scope.selected.indexOf(id) == -1){
70 $scope.selected.push(id);
71 $scope.selectedTags.push(name);
72 }
73 if(action == 'remove' && $scope.selected.indexOf(id)!=-1){
74 var idx = $scope.selected.indexOf(id);
75 $scope.selected.splice(idx,1);
76 $scope.selectedTags.splice(idx,1);
77 }
78 }
79
80 $scope.updateSelection = function($event, id){
81 var checkbox = $event.target;
82 var action = (checkbox.checked?'add':'remove');
83 updateSelected(action,id,checkbox.name);
84 }
85
86 $scope.isSelected = function(id){
87 return $scope.selected.indexOf(id)>=0;
88 }
89 });Jquery和angularjs获取check框选中的值小技巧
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原文地址:http://blog.csdn.net/liaodehong/article/details/50531873