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package com.nffish.util;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import com.nffish.common.DBSession;
public class GenEntityTool {
    private String tablename = "petDiary";
    private String[] colnames; // ÁÐÃûÊý×é
    private String[] colTypes; // ÁÐÃûÀàÐÍÊý×é
    private int[] colSizes; // ÁÐÃû´óСÊý×é
    private boolean f_util = false; // ÊÇ·ñÐèÒªµ¼Èë°üjava.util.*
    private boolean f_sql = false; // ÊÇ·ñÐèÒªµ¼Èë°üjava.sql.*
    public GenEntityTool() {
        Connection conn = DBSession.getConnection(); // µÃµ½Êý¾Ý¿âÁ¬½Ó
        String strsql = "select * from " + tablename;
        try {
            PreparedStatement pstmt = conn.prepareStatement(strsql);
            ResultSetMetaData rsmd = pstmt.getMetaData();
            int size = rsmd.getColumnCount(); // ¹²ÓжàÉÙÁÐ
            colnames = new String[size];
            colTypes = new String[size];
            colSizes = new int[size];
            for (int i = 0; i < rsmd.getColumnCount(); i++) {
                colnames[i] = rsmd.getColumnName(i + 1);
                colTypes[i] = rsmd.getColumnTypeName(i + 1);
        &n


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¡¡ ¡¡protected byte[] encrypt(byte[] obj) ...{
¡¡¡¡try ...{
¡¡¡¡MessageDigest md5 = MessageDigest.getInstance("MD5");
¡¡¡¡md5.update(obj);
¡¡¡¡return md5.digest();
¡¡¡¡} catch (NoSuchAlgorithmException e) ...{
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import java.util.Date;
class Dog{
 private String name;
 private Date birthday;
 
 
 public String getName() {
  return name;
 }
 public void setName(String name) {
  this.name = name;
 }
 public Date getBirthday() {
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