实现非grid的数据窗口，也向grid一样拖动列宽。 还存在一些bug，期待一起来完善，记得给我一份，china_lsh@qq.com。-The realization of non-grid data window, drag to the same grid column width. There are still some bug, work together to improve the look, give me a recall, china_lsh@qq.com.