解决post提交json问题，解决图片预览问题

api-admin/src/main/java/com/glxp/sale/admin/idc/controller/IdcController.java

@@ -1,23 +1,37 @@
 package com.glxp.sale.admin.idc.controller;
 
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URISyntaxException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.Enumeration;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Objects;
 
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import cn.hutool.core.io.IoUtil;
+import com.glxp.sale.admin.idc.service.DownloadRestTemplate;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.http.HttpEntity;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpMethod;
-import org.springframework.http.ResponseEntity;
+import org.apache.tomcat.util.http.fileupload.IOUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.http.*;
+import org.springframework.http.client.ClientHttpRequest;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.client.RequestCallback;
 import org.springframework.web.client.RestTemplate;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -87,11 +101,11 @@ public class IdcController {
     }
 
     @RequestMapping("/mapi/**")
-    public Object mapi(HttpServletRequest request) {
+    public Object mapi(HttpServletRequest request, HttpServletResponse httpServletResponse) {
         String uri = parseUri(request.getRequestURL().toString());
 
-        if (uri.contains("image")) {
-            return redirectIamge(request, uri);
+        if (uri.contains("getImage")) {
+            return redirectIamge(request, httpServletResponse, uri);
         } else {
             return redirect(request, uri);
         }
@@ -101,7 +115,11 @@ public class IdcController {
     HttpEntity<String> buildHeader(HttpServletRequest request) {
 
         log.info(request.getMethod());
+
+        String bodyContent = "";
         Map<String, Object> headerParam = new HashMap<>();
+
+        if (request.getMethod().equals(HttpMethod.GET)) {
             Map<String, Object> bodyParam = new HashMap<String, Object>();
             Enumeration pNames = request.getParameterNames();
             while (pNames.hasMoreElements()) {
@@ -109,6 +127,20 @@ public class IdcController {
                 String value = request.getParameter(name);
                 bodyParam.put(name, value);
             }
+
+            bodyContent = JSON.toJSONString(bodyParam);
+        } else {
+            BufferedReader reader = null;
+            try {
+                reader = new BufferedReader(new InputStreamReader(request.getInputStream()));
+                bodyContent = IoUtil.read(reader);
+                log.info(bodyContent);
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+
         HttpHeaders headers = new HttpHeaders();
         Enumeration<String> enumeration = request.getHeaderNames();
         while (enumeration.hasMoreElements()) {
@@ -118,13 +150,13 @@ public class IdcController {
             headers.add(name, value);
         }
         //headers.add("Content-Type", "application/json;charset=UTF-8");
-        HttpEntity<String> http = new HttpEntity<>(JSON.toJSONString(bodyParam), headers);
+        HttpEntity<String> http = new HttpEntity<>(bodyContent, headers);
         return http;
     }
 
-    private Resource redirectIamge(HttpServletRequest request, String uri) {
+    private byte[] redirectIamge(HttpServletRequest request, HttpServletResponse httpServletResponse, String uri) {
         uri = uri.replace("mapi/", "");
-        uri = "http://127.0.0.1:9993/" + uri;
+        uri = "http://116.204.106.103:9150/UDI_SPMS_SERVER/" + uri;
         RestTemplate restTemplate = new RestTemplate();
 //        HttpEntity<String> httpEntity = buildHeader(request);
         log.info(request.getMethod());
@@ -153,20 +185,31 @@ public class IdcController {
 
         log.info(uri);
 //        ResponseEntity<Resource> entity = restTemplate.exchange(uri, HttpMethod.GET, httpEntity, Resource.class);
-        ResponseEntity<Resource> responseEntity = restTemplate.exchange(uri,
-                HttpMethod.GET, http, Resource.class, new Object[0]);
+//        ResponseEntity<Resource> responseEntity = restTemplate.exchange(uri,
+//                HttpMethod.GET, http, Resource.class, new Object[0]);
 //        ResponseEntity<HttpServletResponse> responseEntity = restTemplate.exchange(uri, HttpMethod.GET, http, HttpServletResponse.class);
-        return responseEntity.getBody();
+
+        ResponseEntity<byte[]> rsp = restTemplate.getForEntity(uri, byte[].class);
+//        String targetPath = "D:\\wmslog\\splash-down.png";
+//        try {
+//            Files.write(Paths.get(targetPath), Objects.requireNonNull(rsp.getBody(),
+//                    "未获取到下载文件"));
+//        } catch (IOException e) {
+//            e.printStackTrace();
+//        }
+
+        return rsp.getBody();
 
     }
 
+
     private JSONObject redirect(HttpServletRequest request, String uri) {
 
         RestTemplate restTemplate = new RestTemplate();
         HttpEntity<String> httpEntity = buildHeader(request);
         log.info(uri);
         uri = uri.replace("mapi/", "");
-        uri = "http://127.0.0.1:9993/" + uri;
+        uri = "http://116.204.106.103:9150/UDI_SPMS_SERVER/" + uri;
         log.info(uri);
         ResponseEntity<JSONObject> responseBody = null;
         if (request.getMethod().equals("POST"))

api-admin/src/main/java/com/glxp/sale/admin/idc/service/DownloadRestTemplate.java

@@ -0,0 +1,46 @@
+package com.glxp.sale.admin.idc.service;
+
+import cn.hutool.core.lang.Assert;
+import com.beust.jcommander.internal.Nullable;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.client.ClientHttpRequest;
+import org.springframework.http.client.ClientHttpRequestFactory;
+import org.springframework.http.client.ClientHttpResponse;
+import org.springframework.web.client.*;
+
+import java.io.IOException;
+import java.net.URI;
+
+public class DownloadRestTemplate extends RestTemplate {
+    public DownloadRestTemplate(ClientHttpRequestFactory requestFactory) {
+        super(requestFactory);
+    }
+
+    protected <T> T doExecute(URI url, @Nullable HttpMethod method, @Nullable RequestCallback requestCallback,
+                              @Nullable ResponseExtractor<T> responseExtractor) throws RestClientException {
+
+        Assert.notNull(url, "URI is required");
+        Assert.notNull(method, "HttpMethod is required");
+        ClientHttpResponse response = null;
+        try {
+            ClientHttpRequest request = createRequest(url, method);
+            if (requestCallback != null) {
+                requestCallback.doWithRequest(request);
+            }
+            response = request.execute();
+            handleResponse(url, method, response);
+            return (responseExtractor != null ? responseExtractor.extractData(response) : null);
+        } catch (IOException ex) {
+            String resource = url.toString();
+            String query = url.getRawQuery();
+            resource = (query != null ? resource.substring(0, resource.indexOf('?')) : resource);
+            throw new ResourceAccessException("I/O error on " + method.name() +
+                    " request for \"" + resource + "\": " + ex.getMessage(), ex);
+        }
+        /*finally {
+            if (response != null) {
+                response.close();
+            }
+        }*/
+    }
+}