抓取人人網高校數據----僅供學習

獲取人人網的高校數據。

人人網的院系接口，參數爲高校id:    http://www.renren.com/GetDep.do?id=

人人網  (國家/省/高校 js文件):   http://s.xnimg.cn/a13819/allunivlist.js

僅供學習參考

僅供學習參考

僅供學習參考

1.經過fastJson解析獲取到的高校json

2.經過正則表達式解析獲取到的院系html

package com.test;

import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.DefaultHttpClient;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
  
/**
 * @desc 獲取人人網高校數據
 * @author wjw
 * @date 2016年12月8日下午1:21:01
 */
public class GetSchoolSQL {  
    // 構建省的sql文件  
    public static File provinceFile = new File("D:/province.sql");  
    // 構建高校的sql文件  
    public static File schoolFile = new File("D:/school.sql");  
    // 構建院系的sql文件  
    public static File depFile = new File("D:/dep.sql");  
  
    
    public static void getDate() throws ClientProtocolException, IOException{
    	 HttpClient client = new DefaultHttpClient();  
         ResponseHandler<String> responseHandler = new BasicResponseHandler();  
         String depUrl = "http://www.renren.com/GetDep.do?id=";
         String allunivs = "http://s.xnimg.cn/a13819/allunivlist.js";
         HttpGet get = new HttpGet(allunivs);  
         StringBuffer sb = new StringBuffer(client.execute(get, responseHandler));  
         String str=sb.toString();
         System.out.println("獲取高校js文件完成，下一步解析js文件的JSON數據：");
         
         JSONArray objList= JSONObject.parseArray(str.substring(str.indexOf("[{")));//獲取json部分
         // 對獲取jsonarry  取中國部分id="00"
         JSONArray china = null;//取中國部分provs
         if(objList!=null){
     		for(int i=0;i<objList.size();i++){
     			JSONObject obj=objList.getJSONObject(i);
     			if(obj.getIntValue("id") != 00){//搞不懂json中國家id爲字符串這裏須要int類型判斷
     				continue;
     			}else{
     				china=obj.getJSONArray("provs");
     			}
     		}
     	}
         System.out.println("中國高校JSON數據:\r\n"+china.toJSONString());
         System.out.println("=============================開始解析JSON==================================");
         StringBuilder provinceSql = new StringBuilder();//省sql
         StringBuilder schoolSql = new StringBuilder();//大學sql
         StringBuilder depSql = new StringBuilder();//院系sql
 		for(int i=0;china!=null && i<china.size();i++){//遍歷省
 			JSONObject pObj=china.getJSONObject(i);
 			provinceSql.append("insert into province(pro_id,pro_name)values('"+pObj.getIntValue("id")+ "','"+ convertFromHex(pObj.getString("name")) + "');\n");
 			
 			JSONArray univs = pObj.getJSONArray("univs");//univs 獲取省學校集合
     		for(int j=0;univs!=null && j<univs.size();j++){//遍歷省學校
     			JSONObject sObj=univs.getJSONObject(j);
     			//添加省學校sql
     			schoolSql.append("insert into school(pro_id,sch_id,sch_name)values('"+pObj.getIntValue("id")+ "','"+ sObj.getIntValue("id")+ "','"+ convertFromHex(sObj.getString("name"))+"');\n");
     			//獲取學校院系
     			HttpGet getDep = new HttpGet(depUrl + sObj.getIntValue("id"));
     			ResponseHandler<String> depHandler = new BasicResponseHandler();  
     			String depHtml=client.execute(getDep, depHandler);//獲取院系html
     			
// 	    			下面解析學校對應的院系html
             	Pattern pattern = Pattern.compile("<option value='&#(.*?)</option>",Pattern.MULTILINE); //排除value爲空的項 
                 Matcher matcher = pattern.matcher(depHtml);  
         		while (matcher.find()) {
         			String value = "";
         			String data = matcher.group();// date結果爲<option value='&#20854;&#23427;&#38498;&#31995;'>&#20854;&#23427;&#38498;&#31995;</option>
         			Pattern p = Pattern.compile("value='(.*?)'", Pattern.MULTILINE);
         			Matcher m = p.matcher(data);
         			if (m.find()) {
         				value = m.group(1);
         			}
         			String id = UUID.randomUUID().toString().replaceAll("-", "").toUpperCase();
         			depSql.append("insert into dep(id,sch_id,dep_name)values('"+id+"','"+sObj.getIntValue("id") +"','"+convertFromDec(value)+"');\n");
         		}
     		}
 			
 		}
              
         System.out.println("=============================JSON解析完成==================================");
         PrintStream ps = new PrintStream(provinceFile);  
         ps.print(provinceSql.toString());  
         ps.close();  
   
         PrintStream ps2 = new PrintStream(schoolFile);  
         ps2.print(schoolSql.toString());  
         ps2.close();  
   
         PrintStream ps3 = new PrintStream(depFile);  
         ps3.print(depSql.toString());  
         ps3.close();
         System.out.println("sql文件已經生成!");
         System.out.println("省sql文件"+provinceFile.getAbsolutePath());
         System.out.println("學校sql文件"+schoolFile.getAbsolutePath());
         System.out.println("院系sql文件"+depFile.getAbsolutePath());
    }
  
	public static void main(String[] args){
		try {
			getDate();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
  
    // 轉換&#xxxxx;形式Unicode  
    private static String convertFromDec(String code) {  
        StringBuffer sb = new StringBuffer(code);  
        int startPos;  
        int endPos;  
        while ((startPos = sb.indexOf("&#")) > -1) {  
            endPos = sb.indexOf(";");  
            String tmp = sb.substring(startPos + 2, endPos);  
            sb.replace(startPos, endPos + 1, Character.toString((char) Integer  
                    .parseInt(tmp, 10)));  
        }  
        return code = sb.toString();  
    }  
  
    // 轉換16進制的Unicode，  
    private static String convertFromHex(String code) {  
        StringBuffer sb = new StringBuffer(code);  
        int pos;  
        while ((pos = sb.indexOf("\\u")) > -1) {  
            String tmp = sb.substring(pos, pos + 6);  
            sb.replace(pos, pos + 6, Character.toString((char) Integer  
                    .parseInt(tmp.substring(2), 16)));  
        }  
        return code = sb.toString();  
    }  

}