更新ip库

import java.io.File;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.HashMap;
import java.util.Map;

public class UpdateMysql implements Runnable {

String sql = "";
public UpdateMysql(String sql) {
    try {
        this.sql = sql;
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

@Override
public void run() {
    Connection con = null;
    Statement stmt = null;
    ResultSet rs = null;
    try {
        String db = "com.mysql.jdbc.Driver";
        Class.forName(db);
        con = DriverManager.getConnection("jdbc:mysql://127.0.0.1:3306/数据库名?user=root&password=&useUnicode=true&characterEncoding=utf-8");
        stmt = con.createStatement();
        rs = stmt.executeQuery(sql);

        StringBuffer bfResult = new StringBuffer();

        while (rs.next()) {
            String info = rs.getString("ip_end");
            String[] names = info.split("\\.");
            String ip = "";
            for (String s : names) {
                int d = 0;
                if (!s.equals("000")) {
                    d = Integer.parseInt(s);
                }
                if (ip.length() == 0) {
                    ip += String.valueOf(Integer.valueOf(s));
                } else {
                    ip += "." + String.valueOf(Integer.valueOf(s));
                }
            }
            String uri = "http://ip.taobao.com/service/getIpInfo.php?ip="
                    + ip;
            String str_country = "";
            String str_isp = "";
            String str_region = "";
            String str_county = "";
            String str_city = "";
            try {
                String content = HttpUtils.getFromURI(uri);
                System.out.println(uri);
                System.out.println(content);
                Map contentObj = AgentUtils.getObjectMapper().readValue(
                        content, Map.class);
                String code = String.valueOf(contentObj.get("code"));
                if (code == "1") {
                    System.out.println(contentObj.get("data"));
                    continue;
                }
                Object _data = contentObj.get("data");
                if (_data instanceof String) {
                    System.err.println("-=========================== 无效ip地址："+ info + " -===========================-");
                    continue;
                }
                Map data = (Map) _data;
                String country = (String) data.get("country");
                String countryId = (String) data.get("country_id");
                if (country == "" || "IANA".equals(countryId.toUpperCase())) {
                    continue;
                }
                String isp = (String) data.get("isp");
                if (isp == "") {
                    continue;
                }
                String region = (String) data.get("region");
                if (region == "") {
                    continue;
                }
                String county = (String) data.get("county");
                if (county == "") {
                    continue;
                }
                String city = (String) data.get("city");
                if (city == "") {
                    continue;
                }
                str_country = new String(country.getBytes(), "UTF-8");
                str_isp = new String(isp.getBytes(), "UTF-8");
                str_region = new String(region.getBytes(), "UTF-8");
                str_county = new String(county.getBytes(), "UTF-8");
                str_city = new String(city.getBytes(), "UTF-8");

                if (rs.getString("province").equals(str_region)
                        && rs.getString("county").equals(str_county)
                        && rs.getString("city").equals(str_city)) {
                    continue;
                }

                Map m = new HashMap();
                m.put("id", rs.getInt("id"));
                m.put("ip_start", rs.getString("ip_start"));
                m.put("ip_end", rs.getString("ip_end"));
                m.put("country", str_country);
                m.put("province", str_region);
                m.put("city", str_city);
                m.put("county", str_county);
                m.put("operators", str_isp);
                String sql = "update ip_location set province = '"
                        + str_region + "', city = '" + str_city
                        + "', county = '" + str_county
                        + "'where ip_end = '" + info + "'";
                PreparedStatement ps = con.prepareStatement(sql);
                ps.executeUpdate();

                bfResult.append(AgentUtils.getObjectMapper().writeValueAsString(m));


            } catch (Exception e) {
                System.out.println("国家/地区: " + str_country);
                System.out.println("运营商: " + str_isp);
                System.out.println("省份: " + str_region);
                System.out.println("县: " + str_county);
                System.out.println("城市: " + str_city);
                System.out.println("error of is : " + uri);

                e.printStackTrace();
            }
        }
        AgentUtils.getObjectMapper().writeValue(new File("C:/Users/root/Desktop/Test.txt"), bfResult.toString());
        System.out.println("It is done....");
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (rs != null) {
                rs.close();
            }
            if (stmt != null) {
                stmt.close();
            }
            if (con != null) {
                con.close();
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}

public static void main(String[] args) {
    int threads = 1;
    int nums = 1000;
    int total = 444956;
    if (total % nums == 0) {
        threads = total / nums;
    } else {
        threads = total / nums + 1;
    }
    for (int i = 0; i < threads; i++) {
        String sql = "select * from ip_location where id between "
                + (nums * i + 1) + " and " + nums * (i + 1);
        System.out.println(sql);
        UpdateMysql upd = new UpdateMysql(sql);
        upd.run();
    }
}

}
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class ThreadUpdater {

public static void main(String[] args) {
    try {
        System.out.println("---------starting update ip location data--------------");
        int threads = 1;
        int nums = 1000;
        int total = 444956;
        if (total % nums == 0) {
            threads = total / nums;
        } else {
            threads = total / nums + 1;
        }

        //
        ExecutorService threadPool = Executors.newFixedThreadPool(1);

        int i = 0;
        ////for (int i = 0; i < threads; i++) {
            String sql = "select * from ip_location where id between " + (nums * i + 1) + " and " + nums * (i + 1);
            System.out.println(sql);
            threadPool.execute(new UpdateMysql(sql));
        ////}

        Thread.sleep(60 * 1000);

        threadPool.shutdown();

    } catch (Exception ex) {
        ex.printStackTrace();
    }
}