inputStream 和 xml读取 生成

package myprogram.action;

import java.io.*;
import java.net.*;
import javax.xml.parsers.*;
import org.w3c.dom.*;
import java.util.regex.*;

public class WeatherAction {

  //构造soap消息
  private static String getSoapRequest(String city) {
    try {
      InputStreamReader isr = new InputStreamReader(new FileInputStream(
          "D:/Program Files/weather.xml"));
      BufferedReader reader = new BufferedReader(isr);
      String soap = "";
      String tmp;
      while ( (tmp = reader.readLine()) != null) {
        soap += tmp;
      }
      reader.close();
      isr.close();
      System.out.println(soap.replaceAll("ccccity", city));
      return soap.replaceAll("ccccity", city);
    }
    catch (Exception ex) {
      ex.printStackTrace();
      return null;
    }
  }

  private static InputStream getSoapInputStream(String city) throws Exception {
    try {
      String soap = getSoapRequest(city);
      if (soap == null) {
        return null;
      }
      URL url = new URL("");
      URLConnection conn = url.openConnection();
      conn.setUseCaches(false);
      conn.setDoInput(true);
      conn.setDoOutput(true);

      conn.setRequestProperty("Content-Length", Integer.toString(soap.length()));
      conn.setRequestProperty("Content-Type", "text/xml; charset=utf-8");
      conn.setRequestProperty("SOAPAction", "");

      OutputStream os = conn.getOutputStream();
      OutputStreamWriter osw = new OutputStreamWriter(os, "utf-8");
      //osw.write(new String(soap.getBytes(),"utf-8"));
      osw.write(soap);
      osw.flush();
      osw.close();
      InputStream is = conn.getInputStream();
      return is;
    }
    catch (Exception e) {
      e.printStackTrace();
      return null;
    }
  }

  public static String getWeather1(String city) {
          try {
              System.out.println("1");
                  InputStream instr = WeatherAction.getSoapInputStream(city);//获取inputstream
                  ggr(instr);//创建xml文件
                  String  str=msg(city);//读取xml文件
                  return str;
          }
            catch (Exception e) {
              e.printStackTrace();
            }
            return null;
  }

  public static void main(String[] args) throws Exception {
    //MyWeather.getWeather("杭州");
    WeatherAction.getWeather1("上虞");
  }
  /**
   * 获取xml信息
   * @param city String
   * @return String
   */
  public static String msg(String city){
        try {
               DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
              DocumentBuilder builder = factory.newDocumentBuilder();
              Document doc = builder.parse("test.txt");
              NodeList nl = (NodeList) doc.getElementsByTagName("getWeatherResult");
              Node n = nl.item(0);
              String test="";
              String today="";
              String tomorrow="";
              String threeday="";
              String weathervalue="";
              String gif="";
              for (int i = 0; i < n.getChildNodes().getLength() - 1; i++) {
              String weather = n.getChildNodes().item(i).getFirstChild().getNodeValue();

              test =test+weather ;
                            

 }
                  
              return   test;
            }
            catch (Exception e) {
              e.printStackTrace();
              return null;
            }
}
          /**
           * 获取inputstream 创建xml文件
           * @param is InputStream
           */
          public static void ggr(InputStream is) {
            try {
              System.out.println("----------文件输出了没--------");
              BufferedInputStream bis = new BufferedInputStream(is);
              File f = new File("test.txt");
              BufferedOutputStream bos = new BufferedOutputStream(
              new FileOutputStream(f));
              byte[] buffer = new byte[16 * 1024];
              int numread = bis.read(buffer);
              int i = 0;
              while (numread != -1) {
                i++;
                bos.write(buffer, 0, numread);
                String aa = new String(buffer);
                System.out.println(aa + "-----" + i+buffer);
                bos.flush();
                numread = bis.read(buffer);
              }
              bis.close();
              bos.close();
            }
            catch (IOException e) {
              // TODO Auto-generated catch block
              e.printStackTrace();
            }

          }

}

 

 

 

weather.xml

 

 
   
      ccccity