JQuery选中checkbox方法代码实例（全选、反选、全不选）

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
  <title></title>
  <script src="/UploadFiles/2021-04-02/jquery-1.7.min.js">

2、checkbox table选中
效果图：



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
  <title></title>
  <style type="text/css">
    table
    {
      border-collapse: collapse;
    }
    td
    {
      border: 1px solid #ccc;
    }
  </style>
  <script src="/UploadFiles/2021-04-02/jquery-1.7.min.js">