Access数据库操作，Mdb文件操作工具类，UCanAccess使用

 

Access数据库操作，Mdb文件操作工具类，UCanAccess使用

 

 

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©Copyright 蕃薯耀 2018年12月27日

http://fanshuyao.iteye.com/

 

使用Ocbc连接是区分电脑是32位还是64位的，需要安装相应的驱动文件，不方便，所以采用第三方的Jar包（UCanAccess）

 

import java.io.File;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;

import org.apache.log4j.Logger;

import com.plan.commons.Row;
import com.plan.commons.RowImpl;

public class MdbUtils {

	private static Logger log = Logger.getLogger(MdbUtils.class);
	//odbc方式区分32位和64位系统
	/*
	private final static String JDBC_DRIVER = "sun.jdbc.odbc.JdbcOdbcDriver";
	private final static String JDBC_URL = "jdbc:odbc:driver={Microsoft Access Driver (*.mdb, *.accdb)};DBQ=";
	*/
	
	//使用UCanAccess
	private final static String JDBC_DRIVER = "net.ucanaccess.jdbc.UcanaccessDriver";
	private final static String JDBC_URL = "jdbc:ucanaccess://";
	
	
	public static void close(ResultSet resultSet, Statement statement, Connection connection){
		try {
			if(resultSet != null){
				resultSet.close();
				//log.info("关闭mdb resultSet连接。");
				//System.out.println("关闭mdb resultSet连接。");
			}
			if(statement != null){
				statement.close();
				//log.info("关闭mdb statement连接。");
				//System.out.println("关闭mdb statement连接。");
			}
			if(connection != null){
				connection.close();
				//log.info("关闭mdb connection连接。");
				//System.out.println("关闭mdb connection连接。");
			}
		} catch (SQLException e) {
			e.printStackTrace();
			log.error("关闭mdb连接出错。" + e);
		}
	}
	
	
	/**
	 * mdb文件获取连接
	 * @param absoluteFilePath
	 * @return
	 */
	public static Connection getConn(String absoluteFilePath){
		log.info("mdb文件路径absoluteFilePath=" + absoluteFilePath);
		
		Properties prop = new Properties();
		prop.put("charset", "utf-8");//解决中文乱码（GB2312/GBK）
		//prop.put("user", "");
		//prop.put("password", "");
		
		String url = JDBC_URL + absoluteFilePath;
		Connection connection = null;
		try {
			connection = DriverManager.getConnection(url, prop);
		} catch (SQLException e) {
			e.printStackTrace();
			log.info("mdb文件获取连接出错。Exception=" + e);
		}
		return connection;
	}
	
	
	/**
	 * 查询mdb文件的表数据
	 * @param absoluteFilePath mdb文件绝对路径
	 * @param sql 查询的sql语句
	 * @return
	 */
	public static List<Row> read(String absoluteFilePath, String sql){
		log.info("mdb文件路径absoluteFilePath=" + absoluteFilePath);
		log.info("mdb查询sql=" + sql);
		
		List<Row> rowList = new ArrayList<Row>();
		Properties prop = new Properties();
		prop.put("charset", "utf-8");//解决中文乱码（GB2312/GBK）
		//prop.put("user", "");
		//prop.put("password", "");
		
		String url = JDBC_URL + absoluteFilePath;
		//PreparedStatement preparedStatement = null;
		Statement statement = null;
		ResultSet resultSet = null;
		Connection connection = null;
		try{
			Class.forName(JDBC_DRIVER);
			connection = DriverManager.getConnection(url, prop);
			statement = connection.createStatement();
			resultSet = statement.executeQuery(sql);
			ResultSetMetaData resultSetMetaData = resultSet.getMetaData();
			
			while(resultSet.next()){
				Row row = new RowImpl();
				for(int i=1; i<= resultSetMetaData.getColumnCount(); i++){
					String columnName = resultSetMetaData.getColumnName(i);//列名
					Object columnValue = resultSet.getObject(i);
					row.addColumn(columnName, columnValue);
				}
				rowList.add(row);
			}
		}catch (Exception e) {
			e.printStackTrace();
			log.info("mdb文件读取sql出错。Exception=" + e);
			throw new RuntimeException(e);
		}finally{
			close(resultSet, statement, connection);
		}
		return rowList;
	}
	
	
	/**
	 * 查询mdb文件的表数据
	 * @param file File
	 * @param sql 查询的sql语句
	 * @return
	 */
	public static List<Row> read(File file, String sql){
		return read(file.getAbsolutePath(), sql);
	}
	
	
	/**
	 * 更新mdb文件的表数据，返回更新的记录数量，0表示没有更新（ID不允许更新）
	 * @param absoluteFilePath mdb文件绝对路径
	 * @param sql 查询的sql语句
	 * @return
	 */
	public static int update(String absoluteFilePath, String sql){
		log.info("mdb文件绝对路径，absoluteFilePath=" + absoluteFilePath);
		log.info("mdb文件更新，sql=" + sql);
		
		Properties prop = new Properties();
		prop.put("charset", "utf-8");//解决中文乱码（GB2312/GBK）
		
		String url = JDBC_URL + absoluteFilePath;
		Statement statement = null;
		Connection connection = null;
		int updateSize = 0;
		try{
			Class.forName(JDBC_DRIVER);
			connection = DriverManager.getConnection(url, prop);
			statement = connection.createStatement();
			updateSize = statement.executeUpdate(sql);
			
		}catch (Exception e) {
			e.printStackTrace();
			log.info("mdb文件更新sql出错。Exception=" + e);
			throw new RuntimeException(e);
		}finally{
			close(null, statement, connection);
		}
		log.info("mdb更新数量，updateSize=" + updateSize + "。sql="+sql);
		return updateSize;
	}
	
	
	/**
	 * 更新mdb文件的表数据，返回更新的记录数量，0表示没有更新
	 * @param absoluteFilePath mdb文件绝对路径
	 * @param sql 查询的sql语句
	 * @return
	 */
	public static int update(String absoluteFilePath, String sql, List<Object> params){
		log.info("mdb文件路径absoluteFilePath=" + absoluteFilePath);
		log.info("mdb更新sql=" + sql);
		log.info("mdb更新参数=" + JsonUtils.toJson(params));
		Properties prop = new Properties();
		prop.put("charset", "utf-8");//解决中文乱码（GB2312/GBK）
		
		String url = JDBC_URL + absoluteFilePath;
		PreparedStatement preparedStatement = null;
		Connection connection = null;
		int updateSize = 0;
		try{
			Class.forName(JDBC_DRIVER);
			connection = DriverManager.getConnection(url, prop);
			preparedStatement = connection.prepareStatement(sql);
			if(params != null && params.size() > 0){
				for(int i=0; i<params.size(); i++){
					preparedStatement.setObject(i + 1, params.get(i));
				}
			}
			updateSize = preparedStatement.executeUpdate();
			
		}catch (Exception e) {
			e.printStackTrace();
			log.info("mdb文件更新sql出错。Exception=" + e);
			throw new RuntimeException(e);
		}finally{
			close(null, preparedStatement, connection);
		}
		log.info("mdb更新数量，updateSize=" + updateSize + "。sql="+sql);
		return updateSize;
	}
	
	
	/**
	 * mdb文件sql执行（如新增、删除字段），成功返回true
	 * @param absoluteFilePath mdb文件绝对路径
	 * @param sql 查询的sql语句
	 * @return
	 */
	public static boolean execute(String absoluteFilePath, String sql){
		log.info("mdb文件绝对路径，absoluteFilePath=" + absoluteFilePath);
		log.info("mdb文件sql执行，sql=" + sql);
		
		Properties prop = new Properties();
		prop.put("charset", "utf-8");//解决中文乱码（GB2312/GBK）
		
		String url = JDBC_URL + absoluteFilePath;
		Statement statement = null;
		Connection connection = null;
		boolean result = false;
		try{
			Class.forName(JDBC_DRIVER);
			connection = DriverManager.getConnection(url, prop);
			statement = connection.createStatement();
			statement.execute(sql);
			result = true;
			log.info("mdb文件执行sql成功。sql=" + sql);
		}catch (Exception e) {
			e.printStackTrace();
			log.info("mdb文件执行sql出错。Exception=" + e);
			throw new RuntimeException(e);
		}finally{
			close(null, statement, connection);
		}
		return result;
	}
	
	
	
	
	
	public static void main(String[] args) {
		/*
		String sql = "select * from cu_proj_zxgh_land";
		//List<Map<String, Object>> listMap = read("C:/db/test.mdb", sql);
		List<Row> rowList = read("C:/db/02-aa.mdb", sql);
		if(rowList != null && rowList.size() > 0){
			System.out.println("=====listMap.size()="+rowList.size());
			for (Row row : rowList) {
				System.out.println(row.toString());
				System.out.println("");
			}
		}
		*/
		
		/*
		//更新数据
		String sql = "update t_user set age=199 where id=1";
		System.out.println(update("C:/db/test.mdb", sql));
		*/
		
		//preparedStatement
		/*
		String sql = "update t_user set age=?,email=? where id=?";
		List<Object> params = new ArrayList<Object>();
		params.add(99);
		params.add("[e-mail]");
		params.add(1);
		System.out.println(update("C:/db/test.mdb", sql, params));
		*/
		
		//增加列
		/*
		String sql = "alter table t_user add column gh_id int";
		//String sql = "alter table t_user add column my_id datetime not null default now()";
		System.out.println(execute("C:/db/test.mdb", sql));
		*/
	}
	
	
}

 

 

 Jar包见附件：UCanAccess-4.0.4-bin.zip

ucanaccess-4.0.4.jar

在Lib文件的jar包：

commons-lang-2.6.jar

commons-logging-1.1.3.jar

hsqldb.jar

jackcess-2.1.11.jar

 

 

================================

©Copyright 蕃薯耀 2018年12月27日

http://fanshuyao.iteye.com/

 

评论

4 楼 masuweng 2019-02-27  

     

3 楼 masuweng 2019-01-02  

                      

2 楼 masuweng 2019-01-02  

多谢多谢了,

1 楼 蕃薯耀 2018-12-27  

Access数据库操作
Mdb文件操作工具类
UCanAccess使用
ucanaccess-4.0.4.jar下载

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蕃薯耀