http接口调用

xiaoxiao2021-02-28  57

package zzx; import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLEncoder; public class HttpUtils {     public static final String GET_URL = "http://192.168.70.181:9999/th-gjj/PersonalRegisterAction_getPersonMessByCard.action?zjhm=220502440716081"; //    public static final String POST_URL = "http://112.4.27.9/mall-back/if_user/store_list";     // 妙兜测试接口     public static final String POST_URL =             "http://192.168.70.181:9999/th-gjj/PersonalRegisterAction_getPersonMessByCardAndName.action?zjhm=220502440716081&xingming=王佰贵";          /**      * 接口调用 GET      */     public static void httpURLConectionGET() {         try {             URL url = new URL(GET_URL);    // 把字符串转换为URL请求地址             HttpURLConnection connection = (HttpURLConnection) url.openConnection();// 打开连接             connection.connect();// 连接会话             // 获取输入流             BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));             String line;             StringBuilder sb = new StringBuilder();             while ((line = br.readLine()) != null) {// 循环读取流                 sb.append(line);             }             br.close();// 关闭流             connection.disconnect();// 断开连接             System.out.println(sb.toString());         } catch (Exception e) {             e.printStackTrace();             System.out.println("失败!");         }     }          /**      * 接口调用  POST      */     public static void httpURLConnectionPOST () {         try {             URL url = new URL(POST_URL);                          // 将url 以 open方法返回的urlConnection  连接强转为HttpURLConnection连接  (标识一个url所引用的远程对象连接)             HttpURLConnection connection = (HttpURLConnection) url.openConnection();// 此时cnnection只是为一个连接对象,待连接中                          // 设置连接输出流为true,默认false (post 请求是以流的方式隐式的传递参数)             connection.setDoOutput(true);                          // 设置连接输入流为true             connection.setDoInput(true);                          // 设置请求方式为post             connection.setRequestMethod("POST");                          // post请求缓存设为false             connection.setUseCaches(false);                          // 设置该HttpURLConnection实例是否自动执行重定向             connection.setInstanceFollowRedirects(true);                          // 设置请求头里面的各个属性 (以下为设置内容的类型,设置为经过urlEncoded编码过的from参数)             // application/x-javascript text/xml->xml数据 application/x-javascript->json对象 application/x-www-form-urlencoded->表单数据             // ;charset=utf-8 必须要,不然妙兜那边会出现乱码【★★★★★】             //connection.setRequestProperty("Content-Type", "application/x-javascript->json;charset=utf-8");                 connection.setRequestProperty("accept", "*/*;charset=UTF-8");             // 建立连接 (请求未开始,直到connection.getInputStream()方法调用时才发起,以上各个参数设置需在此方法之前进行)             connection.connect();              //            // 创建输入输出流,用于往连接里面输出携带的参数,(输出内容为?后面的内容) //            DataOutputStream dataout = new DataOutputStream(connection.getOutputStream()); //             //           String zjhm = "zjhm="+ URLEncoder.encode("zjhm", "utf-8");        // 已修改【改为错误数据,以免信息泄露】            String passWord = "&passWord="+ URLEncoder.encode("10111", "utf-8");                // 已修改【改为错误数据,以免信息泄露】            String idCard = "&idCard="+ URLEncoder.encode("1111", "utf-8");                // 已修改【改为错误数据,以免信息泄露】 //             //            //格式 parm = aaa=111&bbb=222&ccc=333&ddd=444 //            String parm = zjhm; //           //           // 将参数输出到连接 //           dataout.writeBytes(parm); //         // 输出完成后刷新并关闭流 //           dataout.flush(); //          dataout.close(); // 重要且易忽略步骤 (关闭流,切记!) //           System.out.println(connection.getResponseCode()); //           System.out.println(connection.getInputStream());                          // 连接发起请求,处理服务器响应  (从连接获取到输入流并包装为bufferedReader)             BufferedReader bf = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));             String line;             StringBuilder sb = new StringBuilder(); // 用来存储响应数据                          // 循环读取流,若不到结尾处             while ((line = bf.readLine()) != null) { //                sb.append(bf.readLine());                 sb.append(line).append(System.getProperty("line.separator"));             }             bf.close();    // 重要且易忽略步骤 (关闭流,切记!)             connection.disconnect(); // 销毁连接             System.out.println(sb.toString());              } catch (Exception e) {             e.printStackTrace();         }     }          public static void main(String[] args) { //        httpURLConectionGET();         httpURLConnectionPOST();     } }
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