读取本地硬盘文件，快速扫描插入 数据库

package demo;
import java.io.File;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import java.util.UUID;

import com.mysql.jdbc.Connection;
import com.mysql.jdbc.PreparedStatement;

import demo.pojo.SignlModel;
public class Jiaogu {

     @SuppressWarnings("deprecation")
    public static void main(String[] args) {
            getConn();
            Jiaogu f = new Jiaogu();
          //  List<File> ll = f.getFiles(new File("d:\testfiledir\T天气预警2016年"),"doc");
            List<File> ll = f.getFiles(new File("d:\testfiledir\T天气预警2016年"),"doc");
            Calendar cal = Calendar.getInstance();  
            String warnType = null;//预警类型
            String warnRange = null; //预警级别
            String type = null;//自发或转发
           // String type = "转发";//自发或转发
            for (File ff : ll) {
                long time = ff.lastModified();  
                cal.setTimeInMillis(time);
                String name = ff.getName();
                String filePath = ff.getPath();
                filePath = filePath.replace("\", "\\");
                String moditimme = cal.getTime().toLocaleString();
                System.out.println(filePath);
                System.out.println(name);
                if(name.contains("冰雹")){
                    warnType = "冰雹";
                }else if(name.contains("台风")){
                    warnType = "台风";
                }else if(name.contains("暴雨")){
                    warnType = "暴雨";
                }else if(name.contains("高温")){
                    warnType = "高温";
                }else if(name.contains("寒潮")){
                    warnType = "寒潮";
                }else if(name.contains("大雾")){
                    warnType = "大雾";
                }else if(name.contains("雷电")){
                    warnType = "雷电";
                }else if(name.contains("大风")){
                    warnType = "大风";
                }else if(name.contains("沙尘暴")){
                    warnType = "沙尘暴";
                }else if(name.contains("冰雹")){
                    warnType = "冰雹";
                }else if(name.contains("道路结冰")){
                    warnType = "道路结冰";
                }else if(name.contains("干旱")){
                    warnType = "干旱";
                }else if(name.contains("霜冻")){
                    warnType = "霜冻";
                }else if(name.contains("霾")){
                    warnType = "霾";
                }else if(name.contains("臭氧")){
                    warnType = "臭氧";
                }
                
                if(name.contains("蓝色预警")){
                    warnRange = "蓝色预警";
                }else if(name.contains("黄色预警")){
                    warnRange = "黄色预警";
                }else if(name.contains("红色预警")){
                    warnRange = "红色预警";
                }else if(name.contains("橙色预警")){
                    warnRange = "橙色预警";
                }
                
               if(name.contains("转发")){
                    type = "转发";
                }else{
                    type = "自发";
                }
                
                System.out.println(moditimme);
                String id = UUID.randomUUID().toString();
                SignlModel signlModel = new SignlModel();
                signlModel.setId(id);
                signlModel.setFileName(name);
                signlModel.setFilePath(filePath);
                signlModel.setType(type);
                signlModel.setUpdateTime(moditimme);
                signlModel.setWarnRank(warnRange);
                signlModel.setWarnType(warnType);
                insert(signlModel);
            }
        }
    
     public List<File> getFiles(File fileDir, String fileType) {
            List<File> lfile = new ArrayList<File>();
            File[] fs = fileDir.listFiles();
            for (File f : fs) {
                if (f.isFile()) {
                    if (fileType
                            .equals(f.getName().substring(
                                    f.getName().lastIndexOf(".") + 1,
                                    f.getName().length())))
                        lfile.add(f);
                } else {
                    List<File> ftemps = getFiles(f,fileType);
                    lfile.addAll(ftemps);
                }
            }
            return lfile;
        }
    
     private static Connection getConn() {
            String driver = "com.mysql.jdbc.Driver";
            String url = "jdbc:mysql://127.0.0.1:3306/pj_sz?useUnicode=true&characterEncoding=GBK";
            String username = "root";
            String password = "root";
            Connection conn = null;
            try {
                Class.forName(driver); //classLoader,加载对应驱动
                conn = (Connection) DriverManager.getConnection(url, username, password);
                System.out.println("数据库连接成功");
            } catch (Exception e) {
                e.printStackTrace();
                System.out.println("数据库连接失败");
            }
            return conn;
        }
    
     private static int insert(SignlModel signlModel) {
            Connection conn = getConn();
            int i = 0;
           // String sql = "insert into signlmodel (id,filename,filepath,warntype,warnrank,updatetime,type) values(?,?,?,?,?,?,?)";
            String sql = "insert into historymodel (id,filename,filepath,warntype,warnrank,updatetime,type) values(?,?,?,?,?,?,?)";
            System.out.println(sql);
            PreparedStatement pstmt;
            try {
                
                pstmt = (PreparedStatement) conn.prepareStatement(sql);
                pstmt.setString(1, signlModel.getId());
                pstmt.setString(2, signlModel.getFileName());
                pstmt.setString(3, signlModel.getFilePath());
                pstmt.setString(4, signlModel.getWarnType());
                pstmt.setString(5, signlModel.getWarnRank());
                pstmt.setString(6, signlModel.getUpdateTime());
                pstmt.setString(7, signlModel.getType());
                i = pstmt.executeUpdate();
                pstmt.close();
                conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
            return i;
        }
    
}