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【Java】微信企业号请求数据基类封装

作者:思嘉 / 发布于2014/11/7/ 576

微信企业号请求数据基类封装：微信开发调用接口操作，需要封装请求操作基类，方便我们完成数据读取操作，因此需要封装常用的方法。首先封装发起http请求并获取结果的2个类：一个返回JSONObject对象，一个返回byte[]字节数组。


	import java.io.BufferedReader;
	import java.io.ByteArrayOutputStream;
	import java.io.InputStream;
	import java.io.InputStreamReader;
	import java.io.OutputStream;
	import java.net.ConnectException;
	import java.net.HttpURLConnection;
	import java.net.URL;
	import java.security.SecureRandom;
	
	import javax.net.ssl.HttpsURLConnection;
	import javax.net.ssl.SSLContext;
	import javax.net.ssl.SSLSocketFactory;
	import javax.net.ssl.TrustManager;
	
	import xxx.Enum.EnumMethod;
	import net.sf.json.JSONObject;
	
	public class HttpRequestUtil {
	
	 /**
	 * 发起https请求并获取结果
	 *
	 * @param requestUrl 请求地址
	 * @param requestMethod 请求方式（GET、POST）
	 * @param outputStr 提交的数据
	 * @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值)
	 */
	 public static JSONObject httpRequest(String requestUrl, String requestMethod, String outputStr) {
	
	 System.err.println(requestMethod+"\toutputStr="+outputStr);
	
	 JSONObject jsonObject = null;
	 StringBuffer buffer = new StringBuffer();
	 try {
	 // 创建SSLContext对象，并使用我们指定的信任管理器初始化
	 TrustManager[] tm = { new MyX509TrustManager() };
	 SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
	 sslContext.init(null, tm, new java.security.SecureRandom());
	 // 从上述SSLContext对象中得到SSLSocketFactory对象
	 SSLSocketFactory ssf = sslContext.getSocketFactory();
	
	 URL url = new URL(requestUrl);
	 HttpsURLConnection httpUrlConn = (HttpsURLConnection) url.openConnection();
	 httpUrlConn.setSSLSocketFactory(ssf);
	
	 httpUrlConn.setDoOutput(true);
	 httpUrlConn.setDoInput(true);
	 httpUrlConn.setUseCaches(false);
	 // 设置请求方式（GET/POST）
	 httpUrlConn.setRequestMethod(requestMethod);
	
	 if ("GET".equalsIgnoreCase(requestMethod))
	 httpUrlConn.connect();
	
	 // 当有数据需要提交时
	 if (null != outputStr) {
	 OutputStream outputStream = httpUrlConn.getOutputStream();
	 // 注意编码格式，防止中文乱码
	 outputStream.write(outputStr.getBytes("UTF-8"));
	 outputStream.close();
	 }
	
	 // 将返回的输入流转换成字符串
	 InputStream inputStream = httpUrlConn.getInputStream();
	 InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");
	 BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
	
	 String str = null;
	 while ((str = bufferedReader.readLine()) != null) {
	 buffer.append(str);
	 }
	 bufferedReader.close();
	 inputStreamReader.close();
	 // 释放资源
	 inputStream.close();
	 inputStream = null;
	 httpUrlConn.disconnect();
	 jsonObject = JSONObject.fromObject(buffer.toString());
	 //System.out.println("jsonObject="+jsonObject);
	 } catch (ConnectException ce) {
	 ce.printStackTrace();
	 System.out.println("网络链接失败！");
	 } catch (Exception e) {
	 e.printStackTrace();
	 }
	 return jsonObject;
	 }
	
	 /**
	 * 发起https请求并获取字节数组结果
	 * @param requestUrl
	 * @param requestMethod
	 * @param data
	 * @return
	 */
	 public static byte[] httpRequest_byte(String requestUrl, String requestMethod, byte[] data) {
	 ByteArrayOutputStream out = new ByteArrayOutputStream();
	 try {
	 if (requestMethod == EnumMethod.GET.name() && data != null && data.length > 0) {
	 if (requestUrl.indexOf('?') > 0) {
	 requestUrl += '&';
	 } else {
	 requestUrl += '?';
	 }
	 requestUrl += new String(data);
	 }
	 URL url = new URL(requestUrl);
	 HttpURLConnection httpUrlConn = (HttpURLConnection) url.openConnection();
	 if (httpUrlConn instanceof HttpsURLConnection) {
	 // 创建SSLContext对象，并使用我们指定的信任管理器初始化
	 TrustManager[] tm = { new MyX509TrustManager() };
	 SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
	 sslContext.init(null, tm, new SecureRandom());
	 // 从上述SSLContext对象中得到SSLSocketFactory对象
	 SSLSocketFactory ssf = sslContext.getSocketFactory();
	 ((HttpsURLConnection) httpUrlConn).setSSLSocketFactory(ssf);
	 }
	 boolean truePost = requestMethod == EnumMethod.POST.name() && data != null && data.length > 0;
	 httpUrlConn.setDoOutput(truePost);
	 httpUrlConn.setDoInput(true);
	 httpUrlConn.setUseCaches(false);
	 // 设置请求方式（GET/POST）
	 httpUrlConn.setRequestMethod(requestMethod);
	
	 if (requestMethod == EnumMethod.GET.name()) {
	 httpUrlConn.connect();
	 } else if (truePost) {
	 // 提交数据
	 OutputStream outputStream = httpUrlConn.getOutputStream();
	 outputStream.write(data);
	 outputStream.close();
	 }
	
	 // 读取返回数据
	 InputStream inputStream = httpUrlConn.getInputStream();
	 byte[] buf = new byte[1024 * 2];
	 int len;
	 while ((len = inputStream.read(buf)) != -1) {
	 out.write(buf, 0, len);
	 }
	 // 释放资源
	 out.close();
	 inputStream.close();
	 inputStream = null;
	 httpUrlConn.disconnect();
	 } catch (ConnectException ce) {
	 } catch (Exception e) {
	 }
	 return out.toByteArray();
	 }
	}

	

	此处需要一个枚举类：

	package xxx.Enum;
	
	public enum EnumMethod {
	 GET,POST;
	}

试试其它关键字

　微信企业号　　请求数据　

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.微信企业号请求数据基类封装