抓取天气实例

zeng_84_long

浏览: 57431 次
性别:
来自: 北京

最近访客更多访客>>

xiaojinsuo

主角阳光

lipingzan

djyotm

博主相关

博客

微博

相册

留言

关于我

文章分类

全部博客 (22)

社区版块

存档分类

SOAP 交通 Servlet CSS XML

package tos.app.query.tools.weather.domain;

import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class WeatherReport {

public WeatherReport() {
super();
}

private static String getSoapRequest(String city) {
 StringBuilder sb = new StringBuilder();
 sb
 .append("<?xml version=\"1.0\" encoding=\"utf-8\"?>"
 + "<soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
 + "xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" "
 + "xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">"
 + "<soap:Body> <getWeatherbyCityName xmlns=\"http://WebXml.com.cn/\">"
 + "<theCityName>" + city
 + "</theCityName> </getWeatherbyCityName>"
 + "</soap:Body></soap:Envelope>");
 return sb.toString();
}

/**
* 用户把SOAP请求发送给服务器端，并返回服务器点返回的输入流
*
* @param city
*            用户输入的城市名称
* @return 服务器端返回的输入流，供客户端读取
* @throws Exception
*/
private static InputStream getSoapInputStream(String city) throws Exception {
  try {
   String soap = getSoapRequest(city);
   if (soap == null) {
    return null;
   }
   URL url = new URL(
     "http://www.webxml.com.cn/WebServices/WeatherWebService.asmx");
   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",
     "http://WebXml.com.cn/getWeatherbyCityName");

   OutputStream os = conn.getOutputStream();
   OutputStreamWriter osw = new OutputStreamWriter(os, "utf-8");
   osw.write(soap);
   osw.flush();
   osw.close();

   InputStream is = conn.getInputStream();
   return is;
  } catch (Exception e) {
   e.printStackTrace();
   return null;
  }
}

/**
* 对服务器端返回的XML进行解析
*
* @param city
* 用户输入的城市名称
* @return 字符串用,分割
*/
public static String getWeather(String city) {
 try {
 Document doc;
 DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
 dbf.setNamespaceAware(true);
 DocumentBuilder db = dbf.newDocumentBuilder();
 InputStream is = getSoapInputStream(city);
 doc = db.parse(is);
 NodeList nl = doc.getElementsByTagName("string");
 StringBuffer sb = new StringBuffer();
 for (int count = 0; count < nl.getLength(); count++) {
 Node n = nl.item(count);
 if(n.getFirstChild().getNodeValue().equals("查询结果为空！")) {
 sb = new StringBuffer("#") ;
 break ;
 }
 sb.append(n.getFirstChild().getNodeValue() + "#\n");
 }
 is.close();
 return sb.toString();
 } catch (Exception e) {
 e.printStackTrace();
 return null;
 }
}

public static void main(String[] args) throws Exception {
 System.out.println(getWeather("长沙"));
 System.out.println("po&oi".split("&").length) ;
 System.out.println("##".split("#").length) ;
}
}

package tos.app.query.tools.weather.domain;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class WeatherServlet extends HttpServlet{

public void doGet(HttpServletRequest request, HttpServletResponse response)
                          throws ServletException, IOException {
  request.setCharacterEncoding("UTF-8") ;
  String city = request.getParameter("city") ;
  String info = WeatherReport.getWeather(city) ;
  request.setAttribute("info", info) ;
  request.getRequestDispatcher("/weatherInfo.jsp").forward(request, response) ;
    }

public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {

this.doGet(request, response) ;
}
}

<%@ page language="java" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
 <title>城市天气信息</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<LINK rel="stylesheet" type="text/css" href="<%=request.getContextPath()%>/views/common/styles/style.css">
</head>

<body>
 <%
 String info = (String) request.getAttribute("info") ;
 if(info.equals("#")) {
 %>
 <h1>该城市暂不被支持天气预报服务</h1>
 <%
 } else {
 String[] infos = info.split("#") ;
 %>
 <table border="1">
 <tr>
 <td colspan="3">
 72小时天气预报
 
 
 <%=infos[0]%>   <%=infos[1]%>
 
 
 <%=infos[4] %>发布
 
 
 </td>
 </tr>
 <tr align="center">
 <td>
 <table>
 <tr align="center">
 
 <td>
 
 <%=infos[6] %>
 
 </td>
 </tr>
 <tr align="center">
 
 <td>
 <img src="<%=request.getContextPath()%>/images/a_<%=infos[8]%>" />
 <img src="<%=request.getContextPath()%>/images/a_<%=infos[9]%>" />
 </td>
 </tr>
 <tr align="center">
 
 <td>
 
 <%=infos[5] %> 
 <%=infos[7] %> 
 
 </td>
 </tr>
 </table>
 </td>


 <td>
 <table align="center">
 <tr align="center">
 <td>
 
 
 <%=infos[13] %>
 
 </td>
 </tr>

 <tr align="center">
 <td>
 
 <img src="<%=request.getContextPath()%>/images/a_<%=infos[15]%>">
 <img src="<%=request.getContextPath()%>/images/a_<%=infos[16]%>">
</td>
 </tr>

 <tr align="center">
 <td>
 
 
 <%=infos[12] %> 
 <%=infos[14] %> 
 
 </td>
 </tr>
 </table>
 </td>
 <td>
 <table align="center">
 <tr align="center">
 <td>
 
 
 <%=infos[18] %>
 
 </td>
 </tr>
 <tr align="center">
 <td>
 
 <img src="<%=request.getContextPath()%>/images/a_<%=infos[20]%>" />
 <img src="<%=request.getContextPath()%>/images/a_<%=infos[21]%>" />
 </td>
 </tr>
 <tr align="center">
 <td>
 
 
 <%=infos[17] %> 
 <%=infos[19] %> 
 
 </td>
 </tr>
 </table>
 </td>
 </tr>
 <tr>
 <td colspan="3">
 
 温馨提醒
 </td>
 </tr>
 <tr>
 <td colspan="3">

 <table>
 <tr>
 <td>
 <img src="<%=request.getContextPath()%>/images/sun.gif" />
 </td>
 <td>
 
 <%=infos[10] %>
 
 </td>
 </tr>
 </table>
 </td>
 </tr>
 <tr>
 <td colspan="3">
 <%
 String str = "" ;
 String s1 = "" ;
 String s1Content = "" ;
 String s2 = "" ;
 String s2Content = "" ;
 String s3 = "" ;
 String s3Content = "" ;
 String s4 = "" ;
 String s4Content = "" ;
 String s5 = "" ;
 String s5Content = "" ;
 String s6 = "" ;
 String s6Content = "" ;
 String s7 = "" ;
 String s7Content = "" ;
 try {
 //这里开始进行具体详细测试
 str = infos[11] ;
 //穿衣指数
 s1 = str.substring(str.indexOf("穿衣指数："),str.indexOf("穿衣指数：")+4) ;
 s1Content = str.substring(str.indexOf("穿衣指数：")+5,str.indexOf("感冒指数：")) ;
 //感冒指数
 s2 = str.substring(str.indexOf("感冒指数："),str.indexOf("感冒指数：")+4) ;
 s2Content = str.substring(str.indexOf("感冒指数：")+5,str.indexOf("晨练指数：")) ;

 //晨练指数
 s3 = str.substring(str.indexOf("晨练指数："),str.indexOf("晨练指数：")+4) ;
 s3Content = str.substring(str.indexOf("晨练指数：")+5,str.indexOf("交通指数：")) ;
 //交通指数
 s7 = str.substring(str.indexOf("交通指数："),str.indexOf("交通指数：")+4) ;
 s7Content = str.substring(str.indexOf("交通指数：")+5,str.indexOf("中暑指数：")) ;
 //中暑指数
 s4 = str.substring(str.indexOf("中暑指数："),str.indexOf("中暑指数：")+4) ;
 s4Content = str.substring(str.indexOf("中暑指数：")+5,str.indexOf("防晒指数：")) ;
 //防晒指数
 s5 = str.substring(str.indexOf("防晒指数："),str.indexOf("防晒指数：")+4) ;
 s5Content = str.substring(str.indexOf("防晒指数：")+5,str.indexOf("旅行指数：")) ;
 //旅行指数
 s6 = str.substring(str.indexOf("旅行指数："),str.indexOf("旅行指数：")+4) ;
 s6Content = str.substring(str.indexOf("旅行指数：")+5) ;
 %>
 <table>
 <tr>
 <td width="50">
 <img src="<%=request.getContextPath()%>/images/zhishu_01.gif" />
 </td>
 <td>
 
 
 <%=s1 %> 
 
 
 </td>
 <td>
 
 <%=s1Content %>
 
 </td>
 </tr>
 <tr>
 <td width="50">
 <img src="<%=request.getContextPath()%>/images/zhishu_20.gif" />
 </td>
 <td>
 
 
 <%=s2 %> 
 
 
 </td>
 <td>
 
 <%=s2Content %>
 
 </td>
 </tr>

 <tr>
 <td width="50">
 <img src="<%=request.getContextPath()%>/images/zhishu_03.gif" />
 </td>
 <td>
 
 
 <%=s3 %> 
 
 
 </td>
 <td>
 
 <%=s3Content %>
 
 </td>
 </tr>
 <tr>
 <td width="50">
 <img src="<%=request.getContextPath()%>/images/zhishu_22.gif" />
 </td>
 <td>
 
 
 <%=s4 %> 
 
 
 </td>
 <td>
 
 <%=s4Content %>
 
 </td>
 </tr>
 <tr>
 <td width="50">
 <img src="<%=request.getContextPath()%>/images/zhishu_07.gif" />
 </td>
 <td>
 
 
 <%=s5 %> 
 
 
 </td>
 <td>
 
 <%=s5Content %>
 
 </td>
 </tr>
 <tr>
 <td width="50">
 <img src="<%=request.getContextPath()%>/images/zhishu_31.gif" />
 </td>
 <td>
 
 
 <%=s6 %> 
 
 
 </td>
 <td>
 
 <%=s6Content %>
 
 </td>
 </tr>
 <tr>
 <td width="50">
 <img src="<%=request.getContextPath()%>/images/zhishu_11.gif" />
 </td>
 <td>
 
 
 <%=s7 %> 
 
 
 </td>
 <td>
 
 <%=s7Content %>
 
 </td>
 </tr>
 </table>

 </td>
 </tr>
 </table>
 <%
 } catch(Exception e) {

 }

 %>
 <%
 }

 %>

</body>
</html>

分享到：

Oracle ID自动增长 | JS CheckBox事件

2008-09-23 09:15
浏览 1146
评论(1)
查看更多

1 楼 lwgboy 2009-05-31

贴上一个例子：
http://www.mofun.cc/web/lwgboy/1/-/blogs/97589

发表评论

您还没有登录,请您登录后再发表评论

最近访客更多访客>>

博主相关

文章分类

社区版块

存档分类

最新评论