苍穹外卖初始项目

sky-common/src/main/java/com/sky/utils/HttpClientUtil.java

@@ -0,0 +1,179 @@
+package com.sky.utils;
+
+import com.alibaba.fastjson.JSONObject;
+import org.apache.http.NameValuePair;
+import org.apache.http.client.config.RequestConfig;
+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.client.utils.URIBuilder;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.message.BasicNameValuePair;
+import org.apache.http.util.EntityUtils;
+
+import java.io.IOException;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Http工具类
+ */
+public class HttpClientUtil {
+
+    static final  int TIMEOUT_MSEC = 5 * 1000;
+
+    /**
+     * 发送GET方式请求
+     * @param url
+     * @param paramMap
+     * @return
+     */
+    public static String doGet(String url,Map<String,String> paramMap){
+        // 创建Httpclient对象
+        CloseableHttpClient httpClient = HttpClients.createDefault();
+
+        String result = "";
+        CloseableHttpResponse response = null;
+
+        try{
+            URIBuilder builder = new URIBuilder(url);
+            if(paramMap != null){
+                for (String key : paramMap.keySet()) {
+                    builder.addParameter(key,paramMap.get(key));
+                }
+            }
+            URI uri = builder.build();
+
+            //创建GET请求
+            HttpGet httpGet = new HttpGet(uri);
+
+            //发送请求
+            response = httpClient.execute(httpGet);
+
+            //判断响应状态
+            if(response.getStatusLine().getStatusCode() == 200){
+                result = EntityUtils.toString(response.getEntity(),"UTF-8");
+            }
+        }catch (Exception e){
+            e.printStackTrace();
+        }finally {
+            try {
+                response.close();
+                httpClient.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+        return result;
+    }
+
+    /**
+     * 发送POST方式请求
+     * @param url
+     * @param paramMap
+     * @return
+     * @throws IOException
+     */
+    public static String doPost(String url, Map<String, String> paramMap) throws IOException {
+        // 创建Httpclient对象
+        CloseableHttpClient httpClient = HttpClients.createDefault();
+        CloseableHttpResponse response = null;
+        String resultString = "";
+
+        try {
+            // 创建Http Post请求
+            HttpPost httpPost = new HttpPost(url);
+
+            // 创建参数列表
+            if (paramMap != null) {
+                List<NameValuePair> paramList = new ArrayList();
+                for (Map.Entry<String, String> param : paramMap.entrySet()) {
+                    paramList.add(new BasicNameValuePair(param.getKey(), param.getValue()));
+                }
+                // 模拟表单
+                UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList);
+                httpPost.setEntity(entity);
+            }
+
+            httpPost.setConfig(builderRequestConfig());
+
+            // 执行http请求
+            response = httpClient.execute(httpPost);
+
+            resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
+        } catch (Exception e) {
+            throw e;
+        } finally {
+            try {
+                response.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+        return resultString;
+    }
+
+    /**
+     * 发送POST方式请求
+     * @param url
+     * @param paramMap
+     * @return
+     * @throws IOException
+     */
+    public static String doPost4Json(String url, Map<String, String> paramMap) throws IOException {
+        // 创建Httpclient对象
+        CloseableHttpClient httpClient = HttpClients.createDefault();
+        CloseableHttpResponse response = null;
+        String resultString = "";
+
+        try {
+            // 创建Http Post请求
+            HttpPost httpPost = new HttpPost(url);
+
+            if (paramMap != null) {
+                //构造json格式数据
+                JSONObject jsonObject = new JSONObject();
+                for (Map.Entry<String, String> param : paramMap.entrySet()) {
+                    jsonObject.put(param.getKey(),param.getValue());
+                }
+                StringEntity entity = new StringEntity(jsonObject.toString(),"utf-8");
+                //设置请求编码
+                entity.setContentEncoding("utf-8");
+                //设置数据类型
+                entity.setContentType("application/json");
+                httpPost.setEntity(entity);
+            }
+
+            httpPost.setConfig(builderRequestConfig());
+
+            // 执行http请求
+            response = httpClient.execute(httpPost);
+
+            resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
+        } catch (Exception e) {
+            throw e;
+        } finally {
+            try {
+                response.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+        return resultString;
+    }
+    private static RequestConfig builderRequestConfig() {
+        return RequestConfig.custom()
+                .setConnectTimeout(TIMEOUT_MSEC)
+                .setConnectionRequestTimeout(TIMEOUT_MSEC)
+                .setSocketTimeout(TIMEOUT_MSEC).build();
+    }
+
+}