<!DOCTYPE html> <html lang="en" xmlns:th="http://www.w3.org/1999/xhtml"> <head> <meta charset="UTF-8"> <link rel="stylesheet" href="../css/bootstrap.css"> <title>Title</title> </head> <body> <form action="../upload" method="post" enctype="multipart/form-data"> <input type="file" name="file" accept="image/*"> <br> <input type="submit" value="上傳" class="btn btn-success"> </form> [[${filename}]] <br> <img th:src="@{${filename}}" alt="圖片"> </body> </html>
server.port=8899 file.upload.path=F://images/ file.upload.path.relative=/images/**
注: 筆者使用的springboot版本爲 2.1.6css
import org.springframework.beans.factory.annotation.Value; import org.springframework.context.annotation.Configuration; import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry; import org.springframework.web.servlet.config.annotation.WebMvcConfigurer; /** * 資源映射路徑 */ @Configuration public class MyWebAppConfigurer implements WebMvcConfigurer { /**上傳地址*/ @Value("${file.upload.path}") private String filePath; /**顯示相對地址*/ @Value("${file.upload.path.relative}") private String fileRelativePath; @Override public void addResourceHandlers(ResourceHandlerRegistry registry) { registry.addResourceHandler(fileRelativePath). addResourceLocations("file:/" + filePath); } }
import org.springframework.beans.factory.annotation.Value; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.multipart.MultipartFile; import java.io.File; import java.io.IOException; @Controller public class TestController { /**上傳地址*/ @Value("${file.upload.path}") private String filePath; // 跳轉上傳頁面 @RequestMapping("test") public String test() { return "Page"; } // 執行上傳 @RequestMapping("upload") public String upload(@RequestParam("file") MultipartFile file, Model model) { // 獲取上傳文件名 String filename = file.getOriginalFilename(); // 定義上傳文件保存路徑 String path = filePath+"rotPhoto/"; // 新建文件 File filepath = new File(path, filename); // 判斷路徑是否存在,若是不存在就建立一個 if (!filepath.getParentFile().exists()) { filepath.getParentFile().mkdirs(); } try { // 寫入文件 file.transferTo(new File(path + File.separator + filename)); } catch (IOException e) { e.printStackTrace(); } // 將src路徑發送至html頁面 model.addAttribute("filename", "/images/rotPhoto/"+filename); return "Page"; } }