bootstrap table getVisibleColumns获取显示的列的方法

bootstrap table getVisibleColumns获取显示的列，即获取哪些列当前可见的列，因为有的列可以通过工具栏或者方法被隐藏了。

getVisibleColumns方法

参数名称	参数说明
无

代码例子

 //获取显示的列 返回值为数组对象
 var cols= $('#table').bootstrapTable('getVisibleColumns');
   
 //返回值cols的格式如下
 [
  {"widthUnit":"px","radio":false,"checkbox":true,"checkboxEnabled":true,"clickToSelect":true,
  "showSelectTitle":false,"sortable":false,"order":"asc","visible":true,"switchable":true,
  "cardVisible":true,"searchable":true,"searchFormatter":true,"escape":false,"colspanIndex":0,
  "fieldIndex":0,"field":0},
  {"widthUnit":"px","radio":false,"checkbox":false,"checkboxEnabled":true,"clickToSelect":true,
  "showSelectTitle":false,"sortable":false,
  "order":"asc","visible":true,"switchable":true,"cardVisible":true,"searchable":true,
  "searchFormatter":true,"escape":false,"field":"Id",
  "title":"ID","colspanIndex":1,"fieldIndex":1
 }]

在线试一试

完整例子

<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <script src="https://www.itxst.com/package/jquery-3.3.1/jquery.js"></script>
    <link href="https://www.itxst.com/package/bootstrap-4.3.1/css/bootstrap.css" rel="stylesheet" />
    <link href="https://www.itxst.com/package/bootstrap-table-1.15.3/bootstrap-table.css" rel="stylesheet" />
    <script src="https://www.itxst.com/package/bootstrap-table-1.15.3/bootstrap-table.js"></script> 
    <title>bootstrap table getVisibleColumns在线例子</title>
    <style>
  .table-demo {
    width: 80%;
    margin: 30px auto 0px auto;
    }
   .titles {
  float: right;
  clear: both;
  }
    </style>
</head>
<body>
  
  <div id="toolbar">
    <button onclick="col(1)">隐藏列</button> 
    <button onclick="col(2)">显示列</button> 
    <button onclick="getVisCols()">获取显示的列</button> 
  </div>
    <div class="table-demo">
        <table id="table"  ></table>
    </div>
    <script>
        //设置需要显示的列
        var columns = [
        { 
          checkbox:true
        },
        { 
           field:"Id",  
          title: 'ID'
        }, {
            field: 'clog',
            title: '分类'
        } ];
      var data= [{
            Id: 11,
            clog: '分类 101', 
        }, {
            Id: 12,
            clog: '分类 102', 
        }, {
            Id: 13,
            clog: '分类 103', 
      } ];
     
     $('#table').bootstrapTable({  
        toolbar:"#toolbar",  
        data:data,
        columns: columns,  
      });
 
     function col(icase)
     {
      
       if(icase===1)
       {
         $('#table').bootstrapTable('hideColumn','clog');
       }
       if(icase===2)
       {
         $('#table').bootstrapTable('showColumn','clog');
       }
       
     } 
      
     function getVisCols()
     {
      var cols= $('#table').bootstrapTable('getVisibleColumns');
      alert(JSON.stringify(cols));
     }
    </script>
</body>
</html>