package mysql;
import java.sql.*;
public class MySqlCon
{
private String DbName = "";
private String pass = "";
private String url = "";
private Connection con = null;
private Statement stmt = null;
private ResultSet rs = null;
public MySqlCon()
{
}
public void setDbName (String name)
{
this.DbName = name;
}
public void setPass (String pass)
{
this.pass = pass;
}
public void BulidCon()
{
try
{
Class.forName("org.gjt.mm.mysql.Driver").newInstance();
url ="jdbc:mysql://localhost/"+DbName+"?user=root&password="+pass+"&useUnicode=true&characterEncoding=gb2312";
con= DriverManager.getConnection(url);
stmt=con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
}
catch (Exception e)
{
}
}
public ResultSet selectLog(String sql)
{
try
{
BulidCon();
rs = stmt.executeQuery(sql);
}
catch(Exception e)
{
System.out.println(e.toString());
}
return rs;
}
public void updateLog(String sql)
{
try
{
BulidCon();
stmt.executeUpdate(sql);
}
catch (Exception e)
{
}
}
public void close()
{
try
{
con.close();
stmt.close();
}
catch (SQLException e)
{
}
}
} [@more@]
import java.sql.*;
public class MySqlCon
{
private String DbName = "";
private String pass = "";
private String url = "";
private Connection con = null;
private Statement stmt = null;
private ResultSet rs = null;
public MySqlCon()
{
}
public void setDbName (String name)
{
this.DbName = name;
}
public void setPass (String pass)
{
this.pass = pass;
}
public void BulidCon()
{
try
{
Class.forName("org.gjt.mm.mysql.Driver").newInstance();
url ="jdbc:mysql://localhost/"+DbName+"?user=root&password="+pass+"&useUnicode=true&characterEncoding=gb2312";
con= DriverManager.getConnection(url);
stmt=con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
}
catch (Exception e)
{
}
}
public ResultSet selectLog(String sql)
{
try
{
BulidCon();
rs = stmt.executeQuery(sql);
}
catch(Exception e)
{
System.out.println(e.toString());
}
return rs;
}
public void updateLog(String sql)
{
try
{
BulidCon();
stmt.executeUpdate(sql);
}
catch (Exception e)
{
}
}
public void close()
{
try
{
con.close();
stmt.close();
}
catch (SQLException e)
{
}
}
} [@more@]
来自 “ ITPUB博客 ” ,链接:http://blog.itpub.net/9650775/viewspace-920834/,如需转载,请注明出处,否则将追究法律责任。
转载于:http://blog.itpub.net/9650775/viewspace-920834/
本文提供了一个使用Java连接MySQL数据库的示例代码,包括设置数据库名、密码、建立连接及执行查询等功能。
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