package com.example.myapplication2.models.CommonClasses; import org.json.JSONObject; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import java.net.URLDecoder; import com.google.gson.*; public class WebAPIOperator { static String ip="192.168.56.192"; static String port="18011"; static String baseUri="http://"+ip+":"+port; // HttpClient httpClient; static HttpURLConnection huc; public WebAPIOperator() { } public static String DoGet(String locationStr,String subStr){ String str=""; try { URL url=new URL(locationStr+subStr); huc=(HttpURLConnection)url.openConnection(); huc.connect(); // 读取响应 BufferedReader reader = new BufferedReader(new InputStreamReader(huc.getInputStream())); String lines; StringBuffer sb = new StringBuffer(""); while ((lines = reader.readLine()) != null) { lines = URLDecoder.decode(lines, "utf-8"); sb.append(lines); } System.out.println(sb); reader.close(); str=sb.toString(); } catch (IOException e) { e.printStackTrace(); }finally { huc.disconnect(); return str; } } public static String DoGet(String locationStr){ String str=""; try { URL url=new URL(baseUri+locationStr); huc=(HttpURLConnection)url.openConnection(); huc.connect(); // 读取响应 BufferedReader reader = new BufferedReader(new InputStreamReader(huc.getInputStream())); String lines; StringBuffer sb = new StringBuffer(""); while ((lines = reader.readLine()) != null) { lines = URLDecoder.decode(lines, "utf-8"); sb.append(lines); } System.out.println(sb); reader.close(); str=sb.toString(); } catch (IOException e) { e.printStackTrace(); }finally { huc.disconnect(); return str; } } public static String DoPost(String locationStr,Object obj){ String str=""; try { URL url=new URL(baseUri+locationStr); huc=(HttpURLConnection)url.openConnection(); huc.setDoOutput(true); huc.setDoInput(true); huc.setRequestMethod("POST"); // huc.setRequestProperty("Content-Type","plain/text; charset=UTF-8"); huc.setRequestProperty("Content-Type","application/json; charset=UTF-8"); // 设置通用的请求属性 huc.setRequestProperty("accept", "*/*"); huc.setRequestProperty("connection", "Keep-Alive"); huc.setUseCaches(false); huc.setInstanceFollowRedirects(true); huc.connect(); // int responseCode=huc.getResponseCode(); // System.out.println("responseCode:"+responseCode); // Object o=huc.getOutputStream(); // OutputStream out = new BufferedOutputStream(huc.getOutputStream()); // writeStream(out); // // InputStream in = new BufferedInputStream(huc.getInputStream()); // readStream(in); DataOutputStream out = new DataOutputStream(huc.getOutputStream()); // JSONObject obj = new JSONObject(); // String json = java.net.URLEncoder.encode(obj.toString(), "utf-8"); String json=new Gson().toJson(obj); out.writeBytes(json); out.flush(); out.close(); // 读取响应 BufferedReader reader = new BufferedReader(new InputStreamReader(huc.getInputStream())); String lines; StringBuffer sb = new StringBuffer(""); while ((lines = reader.readLine()) != null) { lines = URLDecoder.decode(lines, "utf-8"); sb.append(lines); } System.out.println(sb); reader.close(); str=sb.toString(); return str; } catch (Exception e) { e.printStackTrace(); }finally { huc.disconnect(); return str; } } }