.

pom.xml

@@ -134,6 +134,14 @@
             <artifactId>httpclient</artifactId>
             <version>4.5.6</version>
         </dependency>
+        
+        <!--logging -->
+        <!-- log4j -->
+		<dependency>
+		    <groupId>org.slf4j</groupId>
+		    <artifactId>log4j-over-slf4j</artifactId>
+		    <version>2.0.0-alpha1</version>
+		</dependency>
 
         <!--<dependency>-->
         <!--<groupId>org.springframework.boot</groupId>-->

src/main/java/com/chinaitop/utils/HTTPUtils.java

@@ -0,0 +1,239 @@
+package com.chinaitop.utils;
+
+
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.commons.lang.ObjectUtils;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpResponse;
+import org.apache.http.HttpStatus;
+import org.apache.http.NameValuePair;
+import org.apache.http.StatusLine;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.entity.UrlEncodedFormEntity;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.StringEntity;
+//import org.apache.http.entity.mime.MultipartEntityBuilder;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.message.BasicNameValuePair;
+import org.apache.http.protocol.HTTP;
+import org.apache.http.util.EntityUtils;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+
+import com.alibaba.fastjson.JSONObject;
+
+public class HTTPUtils {
+
+    private final static Logger logger = LogManager.getLogger(HTTPUtils.class);
+
+
+
+    /**
+     * get请求
+     * @return
+     */
+    public static String doGet(String url) {
+        try {
+            HttpClient client = new DefaultHttpClient();
+            //发送get请求
+            HttpGet request = new HttpGet(url);
+            HttpResponse response = client.execute(request);
+
+            /**请求发送成功，并得到响应**/
+            if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
+                /**读取服务器返回过来的json字符串数据**/
+                String strResult = EntityUtils.toString(response.getEntity());
+
+                return strResult;
+            }
+        }
+        catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        return null;
+    }
+
+
+
+    /**
+     * post请求(用于key-value格式的参数)
+     * @param url
+     * @param params
+     * @return
+     */
+    public static String doPost(String url, Map params){
+
+        BufferedReader in = null;
+        try {
+            // 定义HttpClient
+            HttpClient client = new DefaultHttpClient();
+            // 实例化HTTP方法
+            HttpPost request = new HttpPost();
+            request.setURI(new URI(url));
+            //设置参数
+            List<NameValuePair> nvps = new ArrayList<NameValuePair>();
+            for (Iterator iter = params.keySet().iterator(); iter.hasNext();) {
+                String name = (String) iter.next();
+                String value = String.valueOf(params.get(name));
+                nvps.add(new BasicNameValuePair(name, value));
+
+                //System.out.println(name +"-"+value);
+            }
+            request.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
+
+            HttpResponse response = client.execute(request);
+            int code = response.getStatusLine().getStatusCode();
+            if(code == 200){	//请求成功
+                in = new BufferedReader(new InputStreamReader(response.getEntity()
+                        .getContent(),"utf-8"));
+                StringBuffer sb = new StringBuffer("");
+                String line = "";
+                String NL = System.getProperty("line.separator");
+                while ((line = in.readLine()) != null) {
+                    sb.append(line + NL);
+                }
+
+                in.close();
+
+                return sb.toString();
+            }
+            else{	//
+                System.out.println("状态码：" + code);
+                return null;
+            }
+        }
+        catch(Exception e){
+            e.printStackTrace();
+
+            return null;
+        }
+    }
+
+
+    /**
+     * post请求（用于请求json格式的参数）
+     * @param url
+     * @param params
+     * @return
+     */
+    public static String doPost(String url, String params) throws Exception {
+
+        CloseableHttpClient httpclient = HttpClients.createDefault();
+        HttpPost httpPost = new HttpPost(url);// 创建httpPost
+        httpPost.setHeader("Accept", "application/json");
+        httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded");
+        String charSet = "UTF-8";
+        StringEntity entity = new StringEntity(params, charSet);
+        httpPost.setEntity(entity);
+        CloseableHttpResponse response = null;
+
+        try {
+
+            response = httpclient.execute(httpPost);
+            StatusLine status = response.getStatusLine();
+            int state = status.getStatusCode();
+            if (state == HttpStatus.SC_OK) {
+                HttpEntity responseEntity = response.getEntity();
+                String jsonString = EntityUtils.toString(responseEntity);
+                return jsonString;
+            }
+            else{
+                logger.error("请求返回:"+state+"("+url+")");
+            }
+        }
+        finally {
+            if (response != null) {
+                try {
+                    response.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+            try {
+                httpclient.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+        return null;
+    }
+
+
+    /**
+     * 中转文件
+     *
+     * @param file
+     *            上传的文件
+     * @return 响应结果
+     */
+    /*public static String httpClientUploadFile(MultipartFile file,String remoteurl) {
+        System.out.println("上传");
+        System.out.println("上传参数"+file);
+        System.out.println("上传参数"+remoteurl);
+        if(file.isEmpty()){
+            return null;
+        }
+        String remote_url=remoteurl;
+        CloseableHttpClient httpClient = HttpClients.createDefault();
+        String result = "";
+        try {
+            String fileName = file.getOriginalFilename();
+            Integer start = fileName.lastIndexOf(".");
+            Integer length = fileName.length();
+            String finalType = fileName.substring(start, length);
+            SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
+            fileName = df.format(new Date()) + "_" + new Random().nextInt(1000) + finalType;
+            HttpPost httpPost = new HttpPost(remote_url);
+            MultipartEntityBuilder builder = MultipartEntityBuilder.create();
+            builder.addBinaryBody("file", file.getInputStream(), ContentType.MULTIPART_FORM_DATA, fileName);// 文件流
+            builder.addTextBody("filename", fileName);// 类似浏览器表单提交，对应input的name和value
+            HttpEntity entity = builder.build();
+            httpPost.setEntity(entity);
+            HttpResponse response = httpClient.execute(httpPost);// 执行提交
+            HttpEntity responseEntity = response.getEntity();
+            if (responseEntity != null) {
+                // 将响应内容转换为字符串
+                result = EntityUtils.toString(responseEntity, Charset.forName("UTF-8"));
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            try {
+                httpClient.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+        return result;
+    }*/
+
+    public void main(String[] args) throws Exception {
+        //JSONObject json = new JSONObject();
+        //json.put("action", "test");
+        String url = "http://localhost:9022/Enum/findByEnum?id="+1162;
+        String strResult = doGet(url);
+        System.out.println(strResult);
+        if (!"".equals(strResult)) {
+			JSONObject enum_obj = JSONObject.parseObject(strResult);
+			String gbcode = ObjectUtils.toString(enum_obj.get("gbcode"), "");//行政区划
+			System.out.println("行政区划国标编码是"+gbcode);
+		}
+    }
+
+}