java获取5日天气预报（json数据）
地区代码整理在附件中citys.xml
说明：p代表省 n 省名称例如:B 北京,c 城市

返回的json数据示例：

Java 代码
{"weatherinfo":{"city":"上海","city_en":"shanghai","date_y":"2010年5月31日","date":"庚寅年四月十八","week":"星期一","fchh":"08","cityid":"101020100","temp1":"27℃~18℃","temp2":"26℃~18℃","temp3":"27℃~19℃","temp4":"27℃~20℃","temp5":"25℃~20℃","tempF1":"80.6℉~64.4℉","tempF2":"78.8℉~64.4℉","tempF3":"80.6℉~66.2℉","tempF4":"80.6℉~68℉","tempF5":"77℉~68℉","weather1":"多云","weather2":"多云","weather3":"晴转多云","weather4":"多云","weather5":"阴","img1":"1","img2":"99","img3":"1","img4":"99","img5":"0","img6":"1","img7":"1","img8":"99","img9":"2","img10":"99","img_single":"1","img_title1":"多云","img_title2":"多云","img_title3":"多云","img_title4":"多云","img_title5":"晴","img_title6":"多云","img_title7":"多云","img_title8":"多云","img_title9":"阴","img_title10":"阴","img_title_single":"多云","wind1":"东风3-4级","wind2":"东风3-4级","wind3":"东风3-4级","wind4":"东南风4-5级","wind5":"东南风转东风4-5级","fx1":"东风","fx2":"东风","fl1":"3-4级","fl2":"3-4级","fl3":"3-4级","fl4":"4-5级","fl5":"4-5级","index":"暂缺","index_d":"暂缺","index48":"暂缺","index48_d":"暂缺","index_uv":"弱","index48_uv":"弱","index_xc":"适宜","index_tr":"很适宜","index_co":"较舒适","st1":"26","st2":"17","st3":"25","st4":"17","st5":"25","st6":"18"}}
{"weatherinfo":{"city":"上海","city_en":"shanghai","date_y":"2010年5月31日","date":"庚寅年四月十八","week":"星期一","fchh":"08","cityid":"101020100","temp1":"27℃~18℃","temp2":"26℃~18℃","temp3":"27℃~19℃","temp4":"27℃~20℃","temp5":"25℃~20℃","tempF1":"80.6℉~64.4℉","tempF2":"78.8℉~64.4℉","tempF3":"80.6℉~66.2℉","tempF4":"80.6℉~68℉","tempF5":"77℉~68℉","weather1":"多云","weather2":"多云","weather3":"晴转多云","weather4":"多云","weather5":"阴","img1":"1","img2":"99","img3":"1","img4":"99","img5":"0","img6":"1","img7":"1","img8":"99","img9":"2","img10":"99","img_single":"1","img_title1":"多云","img_title2":"多云","img_title3":"多云","img_title4":"多云","img_title5":"晴","img_title6":"多云","img_title7":"多云","img_title8":"多云","img_title9":"阴","img_title10":"阴","img_title_single":"多云","wind1":"东风3-4级","wind2":"东风3-4级","wind3":"东风3-4级","wind4":"东南风4-5级","wind5":"东南风转东风4-5级","fx1":"东风","fx2":"东风","fl1":"3-4级","fl2":"3-4级","fl3":"3-4级","fl4":"4-5级","fl5":"4-5级","index":"暂缺","index_d":"暂缺","index48":"暂缺","index48_d":"暂缺","index_uv":"弱","index48_uv":"弱","index_xc":"适宜","index_tr":"很适宜","index_co":"较舒适","st1":"26","st2":"17","st3":"25","st4":"17","st5":"25","st6":"18"}}


导航189天气抓取示例：
Crawler.java

Java 代码
import java.util.TimerTask;

import org.apache.commons.lang.StringUtils;
import org.htmlparser.Parser;
import org.htmlparser.beans.StringBean;
import org.htmlparser.lexer.Lexer;

public abstract class Crawler extends TimerTask {
     
    public String convert2String(String html) {
        if (html != null) {
            String str = html;
            Lexer l = new Lexer(str);
            Parser parser = new Parser(l);
            StringBean sb = new StringBean();
            try {
                parser.visitAllNodesWith(sb);
            } catch (Exception e) {
                return str;
            }
            String ret = sb.getStrings();
            if (ret !=