补上中国天气网城市编码抓取代码 很一般的抓取代码.....嘿嘿
import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.URL;import java.net.URLConnection;import java.util.ArrayList;/*** * 抓取天气网 城市编码 * @author wu * */public class GetWeatherCode {/** * 通过域名或IP地址取得网站数据 * * @param strUrl * example:http://www.baidu.com * @return */public String getContent(String strUrl) {try {URL url = new URL(strUrl);System.out.println(strUrl);URLConnection urlconn = url.openConnection(); // 试图连接并取得返回状态码urlconn.connect();HttpURLConnection httpConn = (HttpURLConnection) urlconn;httpConn = (HttpURLConnection) url.openConnection();HttpURLConnection.setFollowRedirects(true);httpConn.setRequestMethod("GET");//模拟浏览器httpConn.setRequestProperty("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-CN; rv:1.9.2.2) Gecko/20100316 Firefox/3.6.2 (.NET CLR 3.5.30729)");httpConn.setConnectTimeout(60000);//超时设置...int httpResult = httpConn.getResponseCode();// 获得相应代码if (httpResult != HttpURLConnection.HTTP_OK) { // 不等于HTTP_OK说明连接不成功System.out.println("fail连接失败!!!");return null;} else {InputStream ins = urlconn.getInputStream();BufferedReader br = new BufferedReader(new InputStreamReader(ins));String s = "";StringBuffer sb = new StringBuffer("");while ((s = br.readLine()) != null) {sb.append(s + "\r\n");}br.close();return sb.toString();}} catch (Exception e) {e.printStackTrace();}return null;}/** * 踢掉 json格式 * @param str * @return */private String rplaceCode(String str){if(str != null){str = str.replaceAll("\\{", "");str = str.replaceAll("\\}", "");str = str.replaceAll("\\"", "");str = str.replaceAll(",", "\n");str = str.replaceAll(":", " ");return str;}return null;}/** * 踢掉json格式 * @param str * @return */private String outCode(String str){if(str != null){str = str.replaceAll("\\{", "");str = str.replaceAll("\\}", "");str = str.replaceAll("\\"", "");str = str.substring(0,str.indexOf(":"));return str;}return null;}/** * 最初实现 输出不够好 所以不用了... */@Deprecatedpublic void oneImplements(){ArrayList<String> arry1 = new ArrayList<String>();ArrayList<String> arry2 = new ArrayList<String>();for (int i = 10101; i <= 10134; i++) {String rs = getContent("http://www.weather.com.cn/data/city3jdata/provshi/" + i + ".html");if (rs != null) {if(!rs.contains("<")){System.out.println("市级：\n" + " " + rs);arry1.add("市级：\n" +rs);arry2.add("市级：\n" +rs);String[] shij = rs.split(",");int ct = shij.length;if (ct > 0) {int start = i * 100;int end = i * 100 + ct;for (int j = start; j <= end; j++) {String rs2 = getContent("http://www.weather.com.cn/data/city3jdata/station/" + j + ".html");if (rs2 != null && !rs2.contains("<")) {String jieguo = " 市级【" + shij[(j-i*100-1)>0?(j-i*100-1):0] + "】以下的：\n" + rs2;arry1.add(jieguo+"\n http://www.weather.com.cn/data/city3jdata/station/" + j + ".html");arry2.add(jieguo);System.out.println(jieguo);System.out.println("");}}}}}}System.out.println("带地址的：");for (String jg : arry1) {System.out.println(rplaceCode(jg));}System.out.println("不带地址的：");for (String jg : arry2) {System.out.println(rplaceCode(jg));}}public static void main(String args[]) {// // 具体使用方法// 省级{"10101":"北京","10102":"上海","10103":"天津","10104":"重庆","10105":"黑龙江","10106":"吉林","10107":"辽宁","10108":"内蒙古","10109":"河北","10110":"山西","10111":"陕西","10112":"山东","10113":"新疆","10114":"西藏","10115":"青海","10116":"甘肃","10117":"宁夏","10118":"河南","10119":"江苏","10120":"湖北","10121":"浙江","10122":"安徽","10123":"福建","10124":"江西","10125":"湖南","10126":"贵州","10127":"四川","10128":"广东","10129":"云南","10130":"广西","10131":"海南","10132":"香港","10133":"澳门","10134":"台湾"}GetWeatherCode ou = new GetWeatherCode();ArrayList<String> arry1 = new ArrayList<String>();//带地址的ArrayList<String> arry2 = new ArrayList<String>();//不带地址的//firebug 分析出的 首要城市请求地址String sourceUrl = "http://www.weather.com.cn/data/city3jdata/china.html";String src = ou.getContent(sourceUrl);//读取内容if(src != null && !src.contains("<")){String[] sheng = src.split(",");//省级分割for (String sh : sheng) {String outCode = ou.outCode(sh); String rs = ou.getContent("http://www.weather.com.cn/data/city3jdata/provshi/" + outCode + ".html");if (rs != null) {if (!rs.contains("<")) {arry1.add("市级："+sh+"\n" + rs);arry2.add("市级："+sh+"\n" + rs);String[] shij = rs.split(",");//市级分割for (String sj : shij) {String shjiOutCode = ou.outCode(sj);String rs2 = ou.getContent("http://www.weather.com.cn/data/city3jdata/station/" + (outCode + shjiOutCode) + ".html");if (rs2 != null && !rs2.contains("<")) {String jieguo = " 市级【" + sj + "】以下的：\n" + rs2;arry1.add(jieguo + "http://www.weather.com.cn/data/city3jdata/station/" + (outCode + shjiOutCode) + ".html");arry2.add(jieguo);}}}}}}System.out.println("带地址的：");for (String jg : arry1) {System.out.println(ou.rplaceCode(jg));}System.out.println("不带地址的：");for (String jg : arry2) {System.out.println(ou.rplaceCode(jg));}//简单测试//System.out.println(ou.rplaceCode("{"10101":"北京","10102":"上海","10103":"天津","10104":"重庆","10105":"黑龙江","10106":"吉林","10107":"辽宁","10108":"内蒙古","10109":"河北","10110":"山西","10111":"陕西","10112":"山东","10113":"新疆","10114":"西藏","10115":"青海","10116":"甘肃","10117":"宁夏","10118":"河南","10119":"江苏","10120":"湖北","10121":"浙江","10122":"安徽","10123":"福建","10124":"江西","10125":"湖南","10126":"贵州","10127":"四川","10128":"广东","10129":"云南","10130":"广西","10131":"海南","10132":"香港","10133":"澳门","10134":"台湾"}"));}}?