408/notes_estom
1
0
Fork 0
mirror of https://github.com/Estom/notes.git synced 2026-11-04 06:26:07 +08:00
Code Issues Packages Projects Releases Wiki Activity

JavaScript&nodejs

Browse Source
This commit is contained in:
shanghai
2020-07-21 09:13:01 +08:00
parent 228ea8abb3
commit e41dc12d5e
56 changed files with 2346 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
Spring/Spring MVC/简介.md Normal file
View File

@@ -0,0 +1,6 @@
## 1 简介
MVC：Model+View+Controller(数据模型+视图+控制器)
三层架构：Presentation tier+Application tier+Data tier（展现层+应用层+数据访问层）
MVC与三层架构不是对应关系。MVC只存在三层架构的展示层。M是数据模型，包含数据对象，叫做Model，用来和V之间进行数据交互和传值。V指的是视图页面，包含JSP、freeMarker、Velocity、Thymeleaf、Tile等；C是控制器。