Ext.grid之numbercolumn格式化输出

Ext.grid的输出列类型(xtype)为numbercolumn时,默认输出的小数位数为2,为了自定义输出的格式,可为其定义format属性,如:

var sub_cm = new Ext.grid.ColumnModel([

{             header: "单机用量",             xtype: "numbercolumn",             format: '0,0.0000',             align: 'right',             dataIndex: 'qtyUnit',             sortable: true,             updateEdit: false,             width: 80 }]);