2019-7-16更新 支持本地存储

src/main/java/cn/hellohao/config/WebMvcConfigurer.java

@@ -0,0 +1,22 @@
+package cn.hellohao.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+
+import java.io.File;
+
+@Configuration
+public class WebMvcConfigurer extends WebMvcConfigurerAdapter {
+ 
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+        String filePath =File.separator + "HellohaoData" + File.separator;
+        //和页面有关的静态目录都放在项目的static目录下
+       //registry.addResourceHandler("/static/**").addResourceLocations("classpath:/static/");
+        //上传的图片在D盘下的OTA目录下，访问路径如：http://localhost:8081/OTA/d3cf0281-bb7f-40e0-ab77-406db95ccf2c.jpg
+        //其中OTA表示访问的前缀。"file:D:/OTA/"是文件真实的存储路径
+        //registry.addResourceHandler("/test/**").addResourceLocations("file:C:/test/");
+        registry.addResourceHandler("/links/**").addResourceLocations("file:"+filePath);
+    }
+}

src/main/java/cn/hellohao/utils/LocUpdateImg.java

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+package cn.hellohao.utils;
+
+import org.springframework.web.multipart.MultipartFile;
+import java.io.File;
+import java.io.IOException;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+public class LocUpdateImg {
+    public static void deleteLOCImg(String imagename){
+        String filePath =File.separator + "HellohaoData" + File.separator+imagename;
+        File file = new File(filePath);
+        file.delete();
+    }
+
+
+
+    public static Map<String, Integer> ImageuploadLOC(Map<String, MultipartFile> fileMap, String username, Map<String, String> fileMap2) throws Exception {
+        String filePath =File.separator + "HellohaoData" + File.separator;
+        if(fileMap2==null){
+            File file = null;
+            Map<String, Integer> ImgUrl = new HashMap<>();
+            for (Map.Entry<String, MultipartFile> entry : fileMap.entrySet()) {
+                String uuid = UUID.randomUUID().toString().replace("-", "").toLowerCase().substring(0,5);//生成一个没有-的uuid，然后取前5位
+                java.text.DateFormat format1 = new java.text.SimpleDateFormat("MMddhhmmss");
+                String times = format1.format(new Date());
+                //file = SetFiles.changeFile(entry.getValue());
+                // 上传文件流。
+                System.out.println("待上传的图片："+username + "/" + uuid+times + "." + entry.getKey());
+                File dest = new File(filePath + username + File.separator+ uuid+times + "." + entry.getKey());
+                if (!dest.getParentFile().exists()) {
+                    dest.getParentFile().mkdirs();
+                }
+                try {
+                    entry.getValue().transferTo(dest);
+                    ImgUrl.put(username + "/" + uuid+times + "." + entry.getKey(), (int) (entry.getValue().getSize()));
+                } catch (IOException e) {
+                    e.printStackTrace();
+                    System.err.println("上传失败");
+                }
+            }
+            return ImgUrl;
+        }else{
+            Map<String, Integer> ImgUrl = new HashMap<>();
+
+            for (Map.Entry<String, String> entry : fileMap2.entrySet()) {
+                String uuid = UUID.randomUUID().toString().replace("-", "").toLowerCase().substring(0,5);//生成一个没有-的uuid，然后取前5位
+                java.text.DateFormat format1 = new java.text.SimpleDateFormat("MMddhhmmss");
+                String times = format1.format(new Date());
+                String oldfilePath = entry.getValue();
+
+
+                String newfilePath =  File.separator + "HellohaoData" + File.separator + username + File.separator+ uuid+times + "." + entry.getKey();//
+                File file = new File(oldfilePath);
+                File targetFile =new File(newfilePath);
+                if(!targetFile.getParentFile().exists()) {
+                    targetFile.mkdirs();
+                }
+                file.renameTo(new File(newfilePath));//只移动，源目录不存在文件
+                // 例2：采用数据流模式上传文件（节省内存）,自动创建父级目录
+                //upyun.setContentMD5(UpYun.md5(new File(imgurl)));
+               // boolean result = upyun.writeFile(username + "/" + uuid+times + "." + entry.getKey(), new File(imgurl), true);
+                    ImgUrl.put( username + "/" + uuid+times + "." + entry.getKey(), ImgUrlUtil.getFileSize2(new File(newfilePath)));
+                }
+                //new File(imgurl).delete();
+            return ImgUrl;
+            }
+        }
+
+}

src/main/java/cn/hellohao/utils/SetFiles.java

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+package cn.hellohao.utils;
+
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.File;
+
+public class SetFiles {
+    // 转换文件方法
+    public static File changeFile(MultipartFile multipartFile) throws Exception {
+        // 获取文件名
+        String fileName = multipartFile.getOriginalFilename();
+        // 获取文件后缀
+        String prefix = fileName.substring(fileName.lastIndexOf("."));
+        // todo 修改临时文件文件名
+        File file = File.createTempFile(fileName, prefix);
+        // MultipartFile to File
+        multipartFile.transferTo(file);
+        return file;
+    }
+}