sinat_39291367的博客

public void search(String sql, Map<String, Object> conditions, String operator) { List<Map<String, Object>> result = new ArrayList<>(); // SQLParserUtils.creat...

1.理解SPRINGMVC的原理在讲springMVC之前我们先来看一下什么是MVC模式MVC：MVC是一种设计模式MVC的原理图： 分析：M-Model 模型（完成业务逻辑：有javaBean构成，service+dao+entity）V-View 视图（做界面的展示  jsp，html……）C-Controller 控制器（接收请求—>调用模型—>根

java源码@Controllerpublic class FileUploadController { @RequestMapping("/upload") public String uploadFile(@RequestParam("file1") MultipartFile file1,HttpServletRequest request)throws Exception{