POM.xml
<!-- 添加thymeleaf -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
上传页面
在resource目录下新建templates，创建文件uploadimg.html
<!DOCTYPE html>
<html>
<head>
<title>uploadimg.html</title>
<meta name="keywords" content="keyword1,keyword2,keyword3"></meta>
<meta name="description" content="this is my page"></meta>
<meta name="content-type" content="text/html; charset=UTF-8"></meta>
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
</head>
<body>
<form enctype="multipart/form-data" method="post" action="/testuploadimg">
图片<input type="file" name="file"/>
<input type="submit" value="上传"/>
</form>
</body>
</html>
上传Controller
@Controller
@Api(value = "/test", tags = "文件上传") //swagger分类标题注解
public class UploadController {
//跳转到上传文件的页面
@RequestMapping(value="/gouploadimg", method = RequestMethod.GET)
public String goUploadImg() {
//跳转到 templates 目录下的 uploadimg.html
return "uploadimg";
}
//处理文件上传
@RequestMapping(value="/testuploadimg", method = RequestMethod.POST)
public @ResponseBody String uploadImg(@RequestParam("file") MultipartFile file,
HttpServletRequest request) {
String contentType = file.getContentType();
String fileName = file.getOriginalFilename();
/*System.out.println("fileName-->" + fileName);
System.out.println("getContentType-->" + contentType);*/
String filePath = request.getSession().getServletContext().getRealPath("imgupload/");
try {
FileUtil.uploadFile(file.getBytes(), filePath, fileName);
} catch (Exception e) {
// TODO: handle exception
}
//返回json
return "uploadimg success";
}
}
上传工具类FileUtil.java
public class FileUtil {
public static void uploadFile(byte[] file, String filePath, String fileName) throws Exception {
File targetFile = new File(filePath);
if(!targetFile.exists()){
targetFile.mkdirs();
}
FileOutputStream out = new FileOutputStream(filePath+fileName);
out.write(file);
out.flush();
out.close();
}
}
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