whyclj
2019-02-19 76ad368d8977602e6d8de689ddc7c3d595fb173b
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package com.backup;
 
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
import com.sql.MysqlConnPool;
import com.sql.Sql_Mysql;
 
public class DataBaseBackUpThread_SQL{
    public static final String DataBase_Backup_Table = "tb_database_backup";
    
    /**
     * ´´½¨Êý¾Ý¿â±¸·ÝµÄ±í¸ñ
     * @param conn_pool
     */
    public static void createBackupTable(MysqlConnPool conn_pool){
        String sql_str = "CREATE TABLE IF NOT EXISTS `" + DataBase_Backup_Table +"` ("
                        + "  `num` int(11) NOT NULL AUTO_INCREMENT,"
                        + "  `database_name` varchar(64) NOT NULL,"
                        + "  `table_name` varchar(64) NOT NULL,"
                        + "  `backup_en` int(11) NOT NULL DEFAULT '0',"
                        + "  `backup_flag` int(11) NOT NULL DEFAULT '0',"
                        + "  `note` varchar(64) NOT NULL DEFAULT '±£Áô',"
                        + "  PRIMARY KEY (`num`)"
                        + ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;";
        Sql_Mysql sql = new Sql_Mysql(conn_pool.getConn());
        try {
            sql.sqlMysqlUseDB(Sql_Mysql.WEB_Site);
            sql.sqlMySqlExecute(sql_str);                        //´´½¨Êý¾Ý¿â±¸·Ý±í
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            sql.close_con();
        }
    }
    
    /**
     * ÏòÊý¾Ý¿âÖÐÌí¼Ó±¸·ÝÊý¾Ý¿â¼°±íµÄ¼Ç¼
     * @param conn_pool
     */
    public static void inseartBackupTable(MysqlConnPool conn_pool,List<DatabaseTable> list){
        Sql_Mysql sql = new Sql_Mysql(conn_pool.getConn());
        ArrayList<String> al_sql_strs = new ArrayList<>();
        for(int i=0;i<list.size();i++){
            if(!checkTableIsExist(conn_pool,list.get(i))) {                
                al_sql_strs.add("INSERT INTO `tb_database_backup`(database_name,table_name,backup_en,backup_flag,note) "
                        + "VALUES ('"+list.get(i).getDatabase_name()+"', '"+list.get(i).getTable_name()+"', '0', '0', '');");
            }
        }
        try {
            if(list.size()>0){
                sql.sqlMysqlUseDB(Sql_Mysql.WEB_Site);
                sql.makeManualCommit(al_sql_strs);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            sql.close_con();
        }
    }
    
    /**
     *        ÅжÏÖ¸¶¨Êý¾Ý¿âÖбíµÄ¼Ç¼ÊÇ·ñ´æÔÚ
     * @param pool
     * @param table
     * @return
     */
    public static boolean checkTableIsExist(MysqlConnPool pool,DatabaseTable table) {
        boolean isExist = false;
        String sql_str =  " SELECT num"
                        + " FROM  " + Sql_Mysql.Tb_DataBase_Backup
                        + " WHERE database_name ='"+ table.getDatabase_name() + "' AND table_name='"+table.getTable_name()+"'";
        Sql_Mysql sql = new Sql_Mysql(pool.getConn());
        ResultSet rs = null;
        //System.out.println(sql_str);
        rs = sql.sqlMysqlQuery(sql_str);
        try {
            if(rs.next()) {
                isExist = true;
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            if(rs != null) {
                try {
                    rs.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
            sql.close_con();
        }
        return isExist;
    }
    
    /**
     *     ²éѯËùÓеÄÊý¾Ý¿âÒÔ¼°¶ÔÓ¦µÄ±íÃû³Æ
     * @param conn_pool
     * @return
     */
    public static List<DatabaseTable> searchAllDataBaseAndTable(MysqlConnPool conn_pool){
        List<DatabaseTable> list = new ArrayList<DatabaseTable>();
        String sql_database_str = " SHOW DATABASES ";
        Sql_Mysql sql = new Sql_Mysql(conn_pool.getConn());
        List<DatabaseTable> dbs = new ArrayList<DatabaseTable>();        
        try {
            ResultSet rs = sql.sqlMysqlQuery(sql_database_str);
            while(rs.next()){
                if(!rs.getString("database").equals("information_schema")
                        &&!rs.getString("database").equals("mysql")
                        &&!rs.getString("database").equals("performance_schema")
                        &&!rs.getString("database").equals("sys")
                        &&!isSpecialChar(rs.getString("database"))){                //ÌÞ³ýº¬ÓÐÌØÊâ×Ö·ûµÄÊý¾Ý¿â
                    DatabaseTable db = new DatabaseTable();
                    db.setDatabase_name(rs.getString("database"));
                    dbs.add(db);
                }
            }
            
            String sql_table_str = "";
            for(int i = 0;i<dbs.size();i++){
                sql_table_str = "SELECT table_name FROM information_schema.tables "
                              + "WHERE table_schema='"+dbs.get(i).getDatabase_name()+"'";
                rs = sql.sqlMysqlQuery(sql_table_str);
                while(rs.next()){
                    DatabaseTable obj = dbs.get(i).clone();
                    obj.setTable_name(rs.getString("table_name"));
                    if(!isSpecialChar(obj.getTable_name())) {                        //ÌÞ³ýº¬ÓÐÌØÊâ×Ö·ûµÄÊý¾Ý¿â±í                    
                        list.add(obj);
                    }
                }
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }finally {
            sql.close_con();
        }
        return list;
    }
    
    /**
     * ²éѯÊý¾Ý¿âÖи÷ÖÖ±íµÄ״̬
     * @param conn_pool
     * @return
     */
    public static List<DatabaseTable> searAllTableState(MysqlConnPool conn_pool){
        List<DatabaseTable> list = new ArrayList<DatabaseTable>();
        String sql_str = " SELECT num,database_name,table_name,backup_en,backup_flag,note "
                       + " FROM tb_database_backup Where backup_en=1 ";
        Sql_Mysql sql = new Sql_Mysql(conn_pool.getConn());
        try {
            sql.sqlMysqlUseDB(Sql_Mysql.WEB_Site);
            ResultSet rs = sql.sqlMysqlQuery(sql_str);
            while(rs.next()){
                DatabaseTable db = new DatabaseTable();
                db.setNum(rs.getInt("num"));
                db.setDatabase_name(rs.getString("database_name"));
                db.setTable_name(rs.getString("table_name"));
                db.setBack_en(rs.getInt("backup_en"));
                db.setBackup_flag(rs.getInt("backup_flag"));
                db.setNote(rs.getString("note"));
                list.add(db);
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            sql.close_con();
        }
        return list;
    }
    
    /**
     * ÉèÖÃÊý¾Ý¿âÏ̵߳İ汾ºÅºÍÏß³ÌµÄÆô¶¯Ê±¼ä
     * @param pool
     * @param mVersionnum
     */
    public static void DataBaseBackUp_StartTime(MysqlConnPool pool, float mVersionnum) {
        String sql_str = "";
        Sql_Mysql sql = new Sql_Mysql(pool.getConn());
        try {
            sql.sqlMysqlUseDB(Sql_Mysql.WEB_Site);
            sql.sqlMysqlExecute(sql_str);
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            sql.close_con();
        }
    }
    
    /**
     *     ÐÞ¸ÄÖ¸¶¨Êý¾Ý¿âµÄÖ¸¶¨±íµÄ״̬
     * @param pool
     * @param obj
     */
    public static void UpdateDataBaseState(MysqlConnPool pool,DatabaseTable obj){
        String sql_str =  "    UPDATE  " + Sql_Mysql.Tb_DataBase_Backup
                        + " SET backup_en =  " + obj.getBack_en()
                        + " WHERE database_name='"+obj.getDatabase_name()+"' "
                        + " AND table_name = '"+obj.getTable_name()+"'";
        Sql_Mysql sql = new Sql_Mysql(pool.getConn());
        try {
            //sql.sqlMysqlUseDB(Sql_Mysql.WEB_Site);
            sql.sqlMysqlExecute(sql_str);
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            sql.close_con();
        }
    }
    
    /**
     *      ÅжÏÊÇ·ñº¬ÓÐÌØÊâ×Ö·û
     *
     * @param str
     * @return trueΪ°üº¬£¬falseΪ²»°üº¬
     */
    public static boolean isSpecialChar(String str) {
        String regEx = "[ \\/:*?\"<>|]";
        Pattern p = Pattern.compile(regEx);
        Matcher m = p.matcher(str);
        return m.find();
    }
    
    
    public static void main(String[] args) {
        MysqlConnPool pool = new MysqlConnPool("127.0.0.1",3360,5);
        //System.out.println(searchAllDataBaseAndTable(pool));
        createBackupTable(pool);
        List<DatabaseTable> list = searchAllDataBaseAndTable(pool);
        System.out.println(list);
        inseartBackupTable(pool,list);
    }    
}