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spring boot 上传文件

import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.util.logging.Logger;

/**
 * ClassName: FileUploadController<br/>
 * Description:文件上传 <br/>
 * date: 2018/11/30 10:06 AM<br/>
 *
 * @author chengluchao
 * @since JDK 1.8
 */
@RestController
public class FileUploadController {

    public final static Logger logger = Logger.getLogger("FileUploadController");

    //文件大小限制
    //spring.http.multipart.maxFileSize: 200MB
    @PostMapping(value = "/fileUpload")
    @ResponseBody
    public Object fileUpload(MultipartFile file) throws Exception {
        logger.info("文件名=" + file.getOriginalFilename());
        file.transferTo(new File("/mnt/" + file.getOriginalFilename()));
        return "success";
    }
}

调用

<html>
<body>
<form action="http://127.0.0.1:9010/fileUpload" method="POST" enctype="multipart/form-data">
    <input type="file" name="file"/>
    <input type="submit" name="submit"/>
</form>
</body>
</html>

配置

#单个大小
spring.http.multipart.maxFileSize: 200MB
#总大小
spring.http.multipart.maxRequestSize: 200MB

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原文地址：https://www.cnblogs.com/chenglc/p/10650625.html