通訊工具類 訪問外網

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.ConnectException;
import java.net.URL;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;

import com.fh.entity.AccessToken;
import com.fh.service.weixinshop.AccessTokenService;

import net.sf.json.JSONObject;
        



          發送https請求
	 * 
	 * @param requestUrl 請求地址
	 * @param requestMethod 請求方式（GET、POST）
	 * @param outputStr 提交的數據
	 * @return JSONObject(通過JSONObject.get(key)的方式獲取json對象的屬性值)
	 */
	public static JSONObject httpsRequest(String requestUrl, String requestMethod, String outputStr) {
		JSONObject jsonObject = null;
		try {
			// 創建SSLContext對象，並使用我們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());
			// 從上述SSLContext對象中得到SSLSocketFactory對象
			SSLSocketFactory ssf = sslContext.getSocketFactory();

			URL url = new URL(requestUrl);
			HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
			conn.setSSLSocketFactory(ssf);
			
			conn.setDoOutput(true);
			conn.setDoInput(true);
			conn.setUseCaches(false);
			// 設置請求方式（GET/POST）
			conn.setRequestMethod(requestMethod);

			// 當outputStr不爲null時向輸出流寫數據
			if (null != outputStr) {
				OutputStream outputStream = conn.getOutputStream();
				// 注意編碼格式
				outputStream.write(outputStr.getBytes("UTF-8"));
				outputStream.close();
			}

			// 從輸入流讀取返回內容
			InputStream inputStream = conn.getInputStream();
			InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");
			//BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
			BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(conn.getInputStream(),"utf-8"));
			String str = null;
			StringBuffer buffer = new StringBuffer();
			while ((str = bufferedReader.readLine()) != null) {
				buffer.append(str);
			}

			// 釋放資源
			bufferedReader.close();
			inputStreamReader.close();
			inputStream.close();
			inputStream = null;
			conn.disconnect();
			jsonObject = JSONObject.fromObject(buffer.toString());
		} catch (ConnectException ce) {
			log.error("連接超時：{}", ce);
		} catch (Exception e) {
			log.info("請求微信 異常------ "+e.getMessage());
			log.error("https請求異常：{}", e);
		}
		return jsonObject;
	}

在接口中使用此方法獲取微信的網頁授權，並且獲得用戶的openid信息

另一個實體類

import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import javax.net.ssl.X509TrustManager;


public class MyX509TrustManager implements X509TrustManager {

	public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
	}

	public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
	}

	public X509Certificate[] getAcceptedIssuers() {
		return null;
	}
}