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(轉(zhuǎn))通過Java獲取Google的簡單天氣預(yù)報(bào)

package com.kalman.test;

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

import java.io.Writer;

import java.net.URL;

import java.text.DateFormat;

import java.util.Date;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;

import org.w3c.dom.NodeList;

// @description 通過Java獲取Google的簡單天氣預(yù)報(bào)

public class GetGoogleWeather {

/**

* @param cityName

* 注意weather那寫入城市的拼音轉(zhuǎn)化一下就行，打開之后是XML格式的然后再提取。

* @return

public String getWeather(String cityName, String fileAddr) {

// 獲取google上的天氣情況，寫入文件

try {

URL url = new URL("http://www.google.com/ig/api?hl=zh_cn&weather="

+ cityName);

InputStream inputstream = url.openStream();

String s, str;

BufferedReader in = new BufferedReader(new InputStreamReader(

inputstream));

StringBuffer stringbuffer = new StringBuffer();

Writer out = new BufferedWriter(new OutputStreamWriter(

new FileOutputStream(fileAddr), "utf-8"));

while ((s = in.readLine()) != null) {

stringbuffer.append(s);

}

str = new String(stringbuffer);

out.write(str);

out.close();

in.close();

} catch (IOException e) {

e.printStackTrace();

}

// 讀取需要的數(shù)據(jù)

File file = new File(fileAddr);

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

String str = null;

try {

DocumentBuilder builder = factory.newDocumentBuilder();

Document doc = builder.parse(file);

NodeList nodelist1 = (NodeList) doc

.getElementsByTagName("forecast_conditions");

NodeList nodelist2 = nodelist1.item(0).getChildNodes();

str = nodelist2.item(4).getAttributes().item(0).getNodeValue()

+ ",temperature:"

+ nodelist2.item(1).getAttributes().item(0).getNodeValue()

+ "℃-"

+ nodelist2.item(2).getAttributes().item(0).getNodeValue()

+ "℃";

} catch (Exception e) {

e.printStackTrace();

}

return str;

}

public static void main(String args[]) {

GetGoogleWeather ggw = new GetGoogleWeather();

String cityName = "changsha";

String fileAddr = "C:/changsha.xml";

String temperature = ggw.getWeather(cityName, fileAddr);

Date nowDate = new Date();

DateFormat dateformat = DateFormat.getDateInstance();

String today = dateformat.format(nowDate);

System.out.println(today + " " + cityName + "的天氣情況是：" + temperature);

}

posted on 2009-08-05 08:55 kalman03 閱讀(1069) 評論(2) 編輯收藏所屬分類: J2EE

# re: (轉(zhuǎn))通過Java獲取Google的簡單天氣預(yù)報(bào) 回復(fù) 更多評論

學(xué)習(xí)了謝謝

2009-08-16 09:11 | Down_light_Spotlight

# re: (轉(zhuǎn))通過Java獲取Google的簡單天氣預(yù)報(bào) 回復(fù) 更多評論

學(xué)習(xí)下，thanks

2010-08-12 14:38 | Wholesale shoes

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# re: (轉(zhuǎn))通過Java獲取Google的簡單天氣預(yù)報(bào) 回復(fù) 更多評論

kalman03

(轉(zhuǎn))通過Java獲取Google的簡單天氣預(yù)報(bào)

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