Ext.grid.ColumnModel——表格列模型组件

var colModel = new Ext.grid.ColumnModel([ new Ext.grid.RowNumberer(),//自动行号列模型 {header: "Name", width: 80, sortable: true}, {header: "Code", width: 50, sortable: true}, {header: "Description", width: 200, sortable: true}, new Ext.grid.RowSelectionModel()//复选框列模型 ]);