java SpringBoot（八）文件上传、多文件上传实现

浅浅的花香味﹌ 2022-10-15 09:54 253阅读 0赞

实现文件上传以及多文件上传的功能。

import lombok.extern.slf4j.Slf4j;
    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.RequestParam;
    import org.springframework.web.bind.annotation.RequestPart;
    import org.springframework.web.multipart.MultipartFile;
    
    import java.io.File;
    import java.io.IOException;
    
    /**
     * 文件上传测试
     */
    @Slf4j
    @Controller
    public class FormTestController {
    
        @GetMapping("/form_layouts")
        public String form_layouts(){
            return "form/form_layouts";
        }
    
        /**
         * MultipartFile 自动封装上传过来的文件
         */
        @PostMapping("/upload")
        public String upload(@RequestParam("email") String email,
                             @RequestParam("username") String username,
                             @RequestPart("headerImg") MultipartFile headerImg, //单个
                             @RequestPart("photos") MultipartFile[] photos) throws IOException { //多个
    
            log.info("上传的信息：email={}，username={}，headerImg={}，photos={}",
                    email,username,headerImg.getSize(),photos.length);
    
            if(!headerImg.isEmpty()){
                //保存到文件服务器，OSS服务器
                //获取原始文件名
                String originalFilename = headerImg.getOriginalFilename();
                //保存位置
                headerImg.transferTo(new File("H:\\cache\\"+originalFilename));
            }
    
            if(photos.length > 0){
                for (MultipartFile photo : photos) {
                    if(!photo.isEmpty()){
                        String originalFilename = photo.getOriginalFilename();
                        photo.transferTo(new File("H:\\cache\\"+originalFilename));
                    }
                }
            }
            return "main";
        }
    
    
    }