java http接口

来源：互联网发布：5s优化设置编辑：程序博客网时间：2024/06/07 12:28
最近写了两个接口,刚想总结一下，但是上网一搜，发现人家这哥们写的比我要好，所以直接把人家的复制粘贴....
package cn.com.aero;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 DemoTest1 {public static final String GET_URL = "http://112.4.27.9/mall-back/if_user/store_list?storeId=32";// 妙兜测试接口public static final String POST_URL = "http://121.40.204.191:8180/mdserver/service/installLock";        /**     * 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-www-form-urlencoded;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 app_key = "app_key="+ URLEncoder.encode("4f7bf8c8260124e6e9c6bf094951a111", "utf-8");// 已修改【改为错误数据，以免信息泄露】            String agt_num = "&agt_num="+ URLEncoder.encode("10111", "utf-8");// 已修改【改为错误数据，以免信息泄露】            String pid = "&pid="+ URLEncoder.encode("BLZXA150401111", "utf-8");// 已修改【改为错误数据，以免信息泄露】            String departid = "&departid="+ URLEncoder.encode("10007111", "utf-8");// 已修改【改为错误数据，以免信息泄露】            String install_lock_name = "&install_lock_name="+ URLEncoder.encode("南天大门", "utf-8");            String install_address = "&install_address="+ URLEncoder.encode("北京育新", "utf-8");            String install_gps = "&install_gps="+ URLEncoder.encode("116.350888,40.011001", "utf-8");            String install_work = "&install_work="+ URLEncoder.encode("小李", "utf-8");            String install_telete = "&install_telete="+ URLEncoder.encode("13000000000", "utf-8");            String intall_comm = "&intall_comm="+ URLEncoder.encode("一切正常", "utf-8");                        // 格式 parm = aaa=111&bbb=222&ccc=333&ddd=444            String parm = app_key+ agt_num+ pid+ departid+ install_lock_name+ install_address+ install_gps+ install_work+ install_telete+ intall_comm;                        // 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());                        // 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();    }}
引用源自：http://blog.csdn.net/woshizhangliang999/article/details/47606481
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