Access数据库操作,Mdb文件操作工具类,UCanAccess使用
================================
©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 read(String absoluteFilePath, String sql){
log.info("mdb文件路径absoluteFilePath=" + absoluteFilePath);
log.info("mdb查询sql=" + sql);
List rowList = new ArrayList();
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 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
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/