public class DemoTest {
public static final String GET_URL = "http://112.4.27.9/mall-back/if_user/store_list?storeId=32"; //get请求
// public static final String POST_URL = "http://112.4.27.9/mall-back/if_user/store_list";
public static final String POST_URL = "http://121.40.204.191:8180/mdserver/service/installLock"; //post请求
/**
* 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();
}
}
相关资源：java通过url调用接口
