MiniUI合并单元格

function onload(e){
     var grid = e.sender;
     var len = grid.data.length;
     var data= grid.data;
     var i=,num=;
     var marges = [];
     for(i;i<len;i++){
         if(i==len-){
          var k=i+-num;
          marges.push({ rowIndex: k, columnIndex: , rowSpan: num, colSpan:  });
           grid.mergeCells(marges);
           continue;
         }
         if(grid.data[i].deptName == grid.data[i+].deptName){
                num++;
           }
         if( grid.data[i].deptName != grid.data[i+].deptName){
            var k=i+-num;
            marges.push({ rowIndex: k, columnIndex: , rowSpan: num, colSpan:  });
            num=;
          }
         grid.mergeCells(marges);
    }

}