spring中的设计模式

视频资料最后三分钟:https://www.bilibili.com/video/BV1Us4y167cN/?spm_id_from=top_right_bar_window_dynamic.content.click&vd_source=46d50b5d646b50dcb2a208d3946b1598

https://www.bilibili.com/video/BV1Wu4y1f7j8/?spm_id_from=333.337.search-card.all.click&vd_source=46d50b5d646b50dcb2a208d3946b1598

https://www.bilibili.com/video/BV1R8411R7KG/?spm_id_from=333.1007.top_right_bar_window_history.content.click&vd_source=46d50b5d646b50dcb2a208d3946b1598