springmvc

package controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;

@Controller
public class UserController {
    @RequestMapping(value = "/quick")
    public String save(){
        System.out.println("UserController.save");
        return "/index.jsp";
    }

    @RequestMapping(value = "/quick2")
    @ResponseBody
    public void save2(String name ,MultipartFile uploadFile) throws IOException {
        System.out.println(name);
       String originalFilename = uploadFile.getOriginalFilename();
       uploadFile.transferTo(new File("D:\\test\\"+originalFilename));
}

    @RequestMapping(value="/quick3")
    @ResponseBody
    public void save3(String name,MultipartFile[] uploadFile) throws IOException {
        for(MultipartFile multipartFile:uploadFile){
            String originalFilename = multipartFile.getOriginalFilename();
            multipartFile.transferTo(new File("D:\\test\\"+originalFilename));
        }
    }

    @RequestMapping(value="/quick4")
    @ResponseBody
    public  void save4(){
        String str="qweqe";
        int number=Integer.parseInt(str);
    }

    @RequestMapping(value="/quick5")
    @ResponseBody
    public  void save5(){
        String str=null;
        str.toLowerCase();
    }

}

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