使用Apache提供的HttpClient發送https請求

/**
* 
* @param sendXml
*            需要發送的報文字符串
* @param requestUrl
*            請求url地址
* @return 響應報文字符串
*/
public static String sendSOAP(String sendXml, String requestUrl) {
String responseBodySOAP = null;
byte[] requestBytes;
try {
// 請求發送前給系統添加參數，JKS證書
System.setProperty("javax.net.ssl.trustStore", csj.jks");
System.setProperty("javax.net.ssl.trustStorePassword", "123456");
System.setProperty("javax.net.ssl.keyStoreType", "JKS");
System.setProperty("javax.net.ssl.keyStore",csj.jks");
System.setProperty("javax.net.ssl.keyStorePassword", "123456");
requestBytes = sendXml.getBytes();
HttpClient httpClient = new HttpClient();
PostMethod postMethod = new PostMethod(requestUrl);
InputStream inputStream = new ByteArrayInputStream(requestBytes, 0, requestBytes.length);
RequestEntity requestEntity = new InputStreamRequestEntity(inputStream, requestBytes.length,
"application/soap+xml; charset=utf-8");
postMethod.setRequestEntity(requestEntity);
System.out.println("請求報文：" + sendXml);
httpClient.executeMethod(postMethod);
// responseBodySOAP = postMethod.getResponseBodyAsString();


BufferedReader br = new BufferedReader(
new InputStreamReader(postMethod.getResponseBodyAsStream(), "utf-8"));


String responseLine = "";
StringBuffer sb = new StringBuffer();
for (responseLine = br.readLine(); responseLine != null; responseLine = br.readLine()) {
sb.append(responseLine);
}
br.close();
responseBodySOAP = sb.toString();
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("響應報文：" + responseBodySOAP);

return responseBodySOAP;
}