我要评论 1 <!--(c) Copyright 2018 Web牧马人. All Rights Reserved.
2 2018-04-19-->
3 <!DOCTYPE html>
4 <html>
5 <head>
6 <meta charset="utf-8" />
7 <title>js表格全选反选</title>
8 <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
9 <style type="text/css">
10 *{
11 margin: 0;
12 padding: 0;
13 }
14 table thead tr th{
15 text-align: center;
16 }
17 </style>
18 </head>
19 <body>
20 <table class="table table-bordered table-striped text-center">
21 <thead>
22 <tr>
23 <th><input type="checkbox" class="all"/>全选</th>
24 <th>发件人</th>
25 <th>邮件</th>
26 <th>邮件信息</th>
27 </tr>
28 </thead>
29 <tbody>
30 <tr>
31 <td><input type="checkbox" class="tdInput" /></td>
32 <td>A1</td>
33 <td>A2</td>
34 <td>A3</td>
35 </tr>
36 <tr>
37 <td><input type="checkbox" class="tdInput" /></td>
38 <td>B1</td>
39 <td>B2</td>
40 <td>B3</td>
41 </tr>
42 </tbody>
43 <tfoot>
44 <tr>
45 <td><input type="checkbox" class="all"/>全选</td>
46 <td colspan="3">
47 <button class="cancelAll">取消全选</button>
48 <button class="inverse">反选</button>
49 <button class="del">删除所选</button>
50 <button class="addTr">增加</button>
51 </td>
52 </tr>
53 </tfoot>
54 </table>
55
56 <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js"></script>
57 <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
58 <script type="text/javascript">
59 $(function(){
60 var all = $('.all');
61 var cancelAll = $('.cancelAll');
62 var inverse = $('.inverse');
63 var del = $('.del');
64 var addTr = $('.addTr');
65 var tdInput = $('.tdInput');
66
67 //全选
68 all.click(function(){
69 if(this.checked){
70 all.prop('checked',true);
71 tdInput.prop('checked',true);
72 }else{
73 all.prop('checked',false);
74 tdInput.prop('checked',false);
75 }
76 })
77
78 //取消全选
79 cancelAll.click(function(){
80 all.prop('checked',false);
81 tdInput.prop('checked',false);
82 })
83
84 //反选
85 inverse.click(function(){
86 $('.tdInput').prop('checked',function(index,value){
87 return !value;
88 })
89 if($('.tdInput:checked').length == tdInput.length){
90 all.prop('checked',true);
91 }else{
92 all.prop('checked',false);
93 }
94 })
95
96 $.each(tdInput,function(index,value){
97 $(this).click(function(){
98 if($('.tdInput:checked').length == tdInput.length){
99 all.prop('checked',true);
100 }else{
101 all.prop('checked',false);
102 }
103 })
104 })
105
106 //删除所选
107 del.click(function(){
108 $('.tdInput:checked').parent().parent().remove();
109 tdInput = $('.tdInput');
110 })
111
112 //添加
113 addTr.click(function(){
114 var now_tr = $('tbody tr');
115 var now_tr_char = $('tbody tr').eq(now_tr.length-1).find('td').eq(1).text().charCodeAt(0);//转换成ASCII码
116 if(now_tr_char == 90){//Z的ASCII码为90
117 alert('增加到这里就行了，别玩了！')
118 return false;
119 }
120 var add_tr_char = String.fromCharCode(now_tr_char+1);//ASCII码转换成字符串
121 $('tbody').append('<tr><td><input type="checkbox" class="tdInput" /></td><td>'+ add_tr_char +'1</td><td>'+ add_tr_char +'2</td><td>'+ add_tr_char +'3</td></tr>');
122 tdInput = $('.tdInput');//重新获取tdInput节点数量
123 //为添加后所有的tdInput增加点击事件
124 $.each(tdInput,function(index,value){
125 $(this).click(function(){
126 if($('.tdInput:checked').length == tdInput.length){
127 all.prop('checked',true);
128 }else{
129 all.prop('checked',false);
130 }
131 })
132 })
133 if($('.tdInput:checked').length == tdInput.length){
134 all.prop('checked',true);
135 }else{
136 all.prop('checked',false);
137 }
138 })
139 })
140 </script>
141 </body>
142 </html>
效果图：
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