保存进度！

文档/example.java

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+/*
+ * @Author: Kane
+ * @Date: 2022-04-18 11:37:33
+ * @LastEditors: Kane
+ * @LastEditTime: 2022-04-18 11:41:09
+ * @FilePath: \undefinedd:\develop\产险厦门分公司项目\天气灾害预警\文档\example.java
+ * @Description: 
+ * 
+ * Copyright (c) ${2022} by Kane, All Rights Reserved. 
+ */
+import org.apache.commons.httpclient.HttpClient;
+import org.apache.commons.httpclient.HttpStatus;
+import org.apache.commons.httpclient.methods.PostMethod;
+import org.apache.commons.httpclient.methods.StringRequestEntity;
+
+public class HttpUtils {
+    public static String sendPostWithJson(String url, String jsonStr, HashMap<String,String> headers) {
+           // 返回的结果
+           String jsonResult = "";
+
+           try {
+               HttpClient client = new HttpClient();
+               // 连接超时
+               client.getHttpConnectionManager().getParams().setConnectionTimeout(3*1000);
+               // 读取数据超时
+               client.getHttpConnectionManager().getParams().setSoTimeout(3*60*1000);
+               client.getParams().setContentCharset("UTF-8");
+
+               PostMethod postMethod = new PostMethod(url);
+   
+               postMethod.setRequestHeader("content-type", headers.get("content-type"));
+              
+               // 非空
+               if (null != jsonStr && !"".equals(jsonStr))
+               {
+                   StringRequestEntity requestEntity = new StringRequestEntity(jsonStr, headers.get("content-type"), "UTF-8");
+                   postMethod.setRequestEntity(requestEntity);
+               }
+
+               int status = client.executeMethod(postMethod);
+
+               if (status == HttpStatus.SC_OK) {
+                   jsonResult = postMethod.getResponseBodyAsString();
+               } else {
+                   throw new RuntimeException("接口连接失败！");
+               }
+
+           } catch (Exception e) {
+               throw new RuntimeException("接口连接失败！");
+           }
+           return jsonResult;
+       }
+
+    public static void main(String[] args) 
+    {
+        String requestUrl = "http://localhost:8070/test/rz/server/rzxx/at_VaildToken.do";
+        String jsonStr = "{\"name\":\"张三\"}";
+
+        HashMap<String, String> headers = new HashMap<>(3);
+        headers.put("content-type", "application/json");
+
+        // 发送post请求
+        String resultData = HttpUtils.sendPostWithJson(requestUrl, jsonStr,headers);
+        
+        // 并接收返回结果
+        System.out.println(resultData);
+    }
+    
+    
+}