Java JDBC连接MySQL(Eclipse)
2016-09-30 09:56
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1. MySQL JDBC驱动下载
2.导入MySQLJDBC驱动
Eclipse: Build Path->Libraries->Add External JARs…->mysql-connector-java-5.0.8-bin.jar
3. 建立MySQL连接:publicvoid conMySQL() { Stringmydriver="com.mysql.jdbc.Driver"; Stringmyurl="jdbc:mysql://10.224.xx.xx:3306/mysql"; Stringmyuser="test"; Stringmypassword="pass";try{ Class.forName(mydriver); long s=System.currentTimeMillis(); System.out.println("MySQL Connectstart.");con = DriverManager.getConnection(myurl,myuser,mypassword);st=con.createStatement();/*rs=st.executeQuery("select* from user"); try{ while(rs.next()){ System.out.println(rs.getString(1)+""+rs.getString(2)); } }catch(Exception e){ System.out.println("Wrongerror."); e.printStackTrace(); }*/ System.out.println("MySQL Connectsuccessfully.");long e=System.currentTimeMillis(); System.out.println("TimeEclipsed: "+(e-s));if(!con.isClosed()){ System.out.println("Succeededconnecting to the Database!"); }
}catch (Exception e){ System.out.println("Not foundMySQL"); e.printStackTrace(); }
}
2.导入MySQLJDBC驱动
Eclipse: Build Path->Libraries->Add External JARs…->mysql-connector-java-5.0.8-bin.jar
3. 建立MySQL连接:publicvoid conMySQL() { Stringmydriver="com.mysql.jdbc.Driver"; Stringmyurl="jdbc:mysql://10.224.xx.xx:3306/mysql"; Stringmyuser="test"; Stringmypassword="pass";try{ Class.forName(mydriver); long s=System.currentTimeMillis(); System.out.println("MySQL Connectstart.");con = DriverManager.getConnection(myurl,myuser,mypassword);st=con.createStatement();/*rs=st.executeQuery("select* from user"); try{ while(rs.next()){ System.out.println(rs.getString(1)+""+rs.getString(2)); } }catch(Exception e){ System.out.println("Wrongerror."); e.printStackTrace(); }*/ System.out.println("MySQL Connectsuccessfully.");long e=System.currentTimeMillis(); System.out.println("TimeEclipsed: "+(e-s));if(!con.isClosed()){ System.out.println("Succeededconnecting to the Database!"); }
}catch (Exception e){ System.out.println("Not foundMySQL"); e.printStackTrace(); }
}
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