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Some operational summaries about easyui checkbox

巴扎黑
Release: 2018-05-12 13:44:45
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1. easyui adds checkbox to each line

{ field: 'id', title: '编号', checkbox: true }
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2. Remember the previously selected checkbox when easyui paging

Set the dField attribute of easyui

dField: data Fields are generally primary keys or uniquely determined fields

3. Get checked rows:

 var rows = $('#datagrid').datagrid('getChecked');
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4. Determine whether the checkbox is all selected:

var allFlg = $(".datagrid-header-check").find("input").is(":checked");
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5. checkbox In the pop-up layer, remember the selected checkbox. When the pop-up layer pops up again, reset the selected checkbox

First save the idField of the selected checkbox row into the global variable array

// 保存已选的checkbox
  var checkboxs = new Array();
  function selectCheckBox() {
    var rows = $('#datagrid').datagrid('getChecked');//获取已勾选的行
    checkboxs = new Array();//全局变量 
    注:这里要重新new,不然会保留上一次的勾选结果
    for (var i = 0; i < rows.length; i++) {
      checkboxs [i] = (rows[i][idField的值]);
      }
  }
  下次进来时执行
  onLoadSuccess: function (data) {
               if (data.rows.length > 0) {
                     for (var i = 0; i < data.rows.length; i++) {
        //判断该idField是否为数组中的元素
                           if (checkboxs .in_array(data.rows[i].idField的值)) {
          //将该index的行的checkbox勾上
                                 $("#datagrid").datagrid("selectRow", i);
                           }
                     }
               }
         },
  // 判断字符串是否是数组里的元素
  Array.prototype.in_array = function (element) {
       for (var i = 0; i < this.length; i++) {
             if (this[i] == element) {
                   return true;
             }
       }
       return false;
  }  
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