1. 页面testFile.html

       

2. FileController.java

package com.stormkai.controller;import java.io.File;import java.io.IOException;import java.util.HashMap;import java.util.Map;import javax.servlet.http.HttpServletRequest;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.PostMapping;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestParam;import org.springframework.web.bind.annotation.ResponseBody;import org.springframework.web.multipart.MultipartFile;import lombok.extern.slf4j.Slf4j;@Controller@RequestMapping("/file")@Slf4jpublic class FileController {  @GetMapping("/index") public String index() { return "testFile"; }  @PostMapping("/upload1")  @ResponseBody  public Map upload1(@RequestParam("file") MultipartFile file, HttpServletRequest request) throws IOException {        log.info("系统路径={}",request.getSession().getServletContext().getRealPath(""));    String path = "F:\\uploadfile\\";    if(!new File(path).exists()){     new File(path).mkdirs(); }    file.transferTo(new File(path + file.getOriginalFilename()));    Map result = new HashMap<>();    result.put("status", "true");    result.put("data", null);    return result;  }}