webservice 和 rest 接口 请求，设置请求类型 以及 Authorization 认证

webservice 和 rest 接口 请求，设置请求类型 以及 Authorization 认证

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;


//发送
public class Send {


	public String sendrequest(String json) throws MalformedURLException, IOException {
		//创建一个支持HTTP特定功能的URLConnection
		HttpURLConnection httpConn = null;
		//创建一个输出流对象
		OutputStream out = null;
		String returnXml = "";
		//异步接口的地址
		String SapPiUrl = "";
		try {
			String querySql = "select sap_dataurl from hdl_requesturl";
			//SapPiUrl = DBHelper.getFirstColCommon(1, 1, false, querySql);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		String dz = SapPiUrl;
		//打开链接
		httpConn = (HttpURLConnection) new URL(dz).openConnection();
		//设置内容和字符格式
		httpConn.setRequestProperty("Content-Type", "text/xml; charset=utf-8");
		//设置请求和json
		httpConn.setRequestProperty("SOAPAction", json);
		//设置请求为post亲求
		httpConn.setRequestMethod("POST");
		httpConn.setDoOutput(true);
		httpConn.setDoInput(true);
		//设置认证的账号密码
		String auth = "admin" + ":" + "admin";
		//调用下面Base64字符转码实体类
		Base64 enc = new Base64();
		//账号密码字符转换
		String encoding = enc.encode(auth.getBytes());
		httpConn.setRequestProperty("Authorization", "Basic " + encoding);

		httpConn.connect();
		out = httpConn.getOutputStream(); // 获取输出流对象

		httpConn.getOutputStream().write(json.getBytes()); // 将要提交服务器的SOAP请求字符流写入输出流
		out.flush();
		out.close();
		int code = httpConn.getResponseCode(); // 用来获取服务器响应状态
		String tempString = null;
		StringBuffer sb1 = new StringBuffer();
		//如果响应状态为ok，就读取http内容
		if (code == HttpURLConnection.HTTP_OK) {
			BufferedReader reader = new BufferedReader(new InputStreamReader(httpConn.getInputStream(), "UTF-8"));
			while ((tempString = reader.readLine()) != null) {
				sb1.append(tempString);
			}
			if (null != reader) {
				reader.close();
			}
		} else {
			BufferedReader reader = new BufferedReader(new InputStreamReader(httpConn.getErrorStream(), "UTF-8"));
			// 一次读入一行，直到读入null为文件结束
			while ((tempString = reader.readLine()) != null) {
				sb1.append(tempString);
			}
			if (null != reader) {
				reader.close();
			}
		}
		// 响应报文
		returnXml = sb1.toString();
		System.out.println("结束");
		System.out.println(returnXml);
		return returnXml;

	}