图片加载功能

apply-net/src/main/java/com/winsun/controller/ImgController.java

+package com.winsun.controller;
+
+import com.winsun.constant.FilePath;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.servlet.http.HttpServletRequest;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+
+/**
+ * @Author xuede
+ * @Date 2020/3/6 16:44
+ * @Version 1.0
+ */
+@Slf4j
+@RestController
+public class ImgController {
+
+    //menuname = "图片路径"  只支持jpeg 和 png
+    @RequestMapping( value = "/images/**",produces ={MediaType.IMAGE_JPEG_VALUE,MediaType.IMAGE_PNG_VALUE} )
+    public byte[] getbackground(HttpServletRequest request) {
+        byte[] bytes=new byte[10];
+        request.getServletPath();
+        String  imgurl= FilePath.BACKGROUNDIMG.getValue()+"/"+request.getServletPath();
+        imgurl = imgurl.replace("//", "/");
+        File file = new File(imgurl);
+        FileInputStream inputStream = null;
+        try {
+            inputStream = new FileInputStream(file);
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        }
+        try {
+            bytes = new byte[inputStream.available()];
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        try {
+            inputStream.read(bytes, 0, inputStream.available());
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return bytes;
+    }
+}