/**

* @param var 城市名称

* @returnstring数组。0表示邮编1表示区号

*/

@SuppressWarnings("deprecation")

private String[] getZipCode(String var) {

String[] code = new String[2];

String zipCode_S = "邮编：";

String zipCode_E = " ";

String qhCode_S = "区号：";

String qhCode_E = "";

String encode = URLEncoder.encode(var);

try {

URL url = new URL("http://www.ip138.com/post/search.asp?

area="

+ encode + "&action=area2zone");

BufferedReader br = new BufferedReader(new InputStreamReader(

url.openStream(), "GBK"));

for (String line; (line = br.readLine()) != null;) {

int zipNum = line.indexOf(zipCode_S);

if (zipNum > 1) {

String str = line.substring(zipNum + zipCode_S.length());

str = str.substring(0, str.indexOf(zipCode_E));

code[0] = str;

}

int qhNum = line.indexOf(qhCode_S);

if(qhNum > 1)

{

String str = line.substring(qhNum + qhCode_S.length());

str = str.substring(0, str.indexOf(qhCode_E));

code[1] = str;

break;

}

}

} catch (Exception e) {

System.out.println(var +"\t错误"+e.toString());

}

return code;

}

/**

* 主程序

* @throws Exception

*/

@Test

public void main() throws Exception

{

//1:获取全部省份

TreeMap provincesBuffer = getAddressInfo("http://www.weather.com.cn//data/city3jdata/china.html");

Element prcEle = DocumentHelper.createElement("Provinces");

//2：依据省份获取城市

Element citysEle = DocumentHelper.createElement("Citys");

//3：依据省份城市获取区、县

Element distEle = DocumentHelper.createElement("Districts");

int p = 1;

int c = 1;

int d = 1;

for(Entry prc : provincesBuffer.entrySet())

{

Element province = DocumentHelper.createElement("Province");

province.addAttribute("ID",""+(p)).addAttribute("ProvinceName", prc.getValue()).addText(prc.getValue());

//获取邮政编号

TreeMap cityBuffer = getAddressInfo("http://www.weather.com.cn/data/city3jdata/provshi/"+prc.getKey()+".html");

for(Entry citys : cityBuffer.entrySet())

{

Element city = DocumentHelper.createElement("City");

String[] zipCode = getZipCode(citys.getValue());

if(zipCode[0]==null||zipCode[1]==null)

System.out.println("缺少"+citys.getValue()+"邮政或区号！");

city.addAttribute("ID", ""+c).addAttribute("CityName", citys.getValue()).addAttribute("PID",p+"").addAttribute("ZipCode", zipCode[0]).addAttribute("AreaCode", zipCode[1]).addText(citys.getValue());

TreeMap distsBuffer = getAddressInfo("http://www.weather.com.cn/data/city3jdata/station/"+prc.getKey()+""+citys.getKey()+".html");

for(Entry dists : distsBuffer.entrySet())

{

String value = dists.getValue();

if(value.equals(citys.getValue()))

continue;

Element district = DocumentHelper.createElement("District");

district.addAttribute("ID",""+(d++)).addAttribute("DistrictName", dists.getValue()).addAttribute("CID", c+"").addText(dists.getValue());

distEle.add(district);

}

citysEle.add(city);

c++;

}

prcEle.add(province);

p++;

}

//4：保存到本地

saveInf("f:\\Provinces.xml",prcEle);

saveInf("f:\\Citys.xml",citysEle);

saveInf("f:\\Districts.xml",distEle);

}

/**保存xml

* @param savePath xml保存路径

* @param varEle根元素

*/

private void saveInf(String savePath, Element varEle) {

Document varDoc = DocumentHelper.createDocument();

varDoc.add(varEle);

try {

XMLWriter xmlwri = new XMLWriter(new FileOutputStream(new File(savePath)), new OutputFormat("\t", true, "UTF-8"));

xmlwri.write(varDoc);

xmlwri.close();

} catch (Exception e) {

System.out.println(savePath +"失败，原因例如以下");

throw new RuntimeException(e);

}

}

/**

* 获取信息

* @param address url路径

* @returnkey :信息编号value：信息名称

*/

private TreeMap getAddressInfo(String address) {

TreeMap china = new TreeMap();

BufferedReader br = null;

String buffer = null;

try {

URL url = new URL(address);

br = new BufferedReader(new InputStreamReader(url.openStream(),"UTF-8"));

buffer = br.readLine();

} catch (Exception e) {

System.out.println("错误："+e.getMessage());

}finally{

if(br != null)

try {

br.close();

} catch (IOException e) {

e.printStackTrace();

}

}

if(buffer==null)

return china;

buffer = buffer.replaceAll("\\{|\\}|\"","");

String[] splits = buffer.split(",");

for(String sp : splits)

{

String[] split = sp.split(":");

if(split!=null && split.length == 2)

china.put(split[0], split[1]);

else

System.out.println(address);

}

buffer = null;

return china;

}