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摘要: java设计模式之Facade(外观)
public class DBCompare {
Connection conn = null;
PreparedStatement prep = null;
ResultSet rset = null;
try {
Class.forName( "" ).newInstance();
conn = DriverManager.getConnection( "" );
String sql = "SELECT * FROM <table> WHERE= ?";
prep = conn.prepareStatement( sql );
prep.setString( 1, "" );
rset = prep.executeQuery();
if( rset.next() ) {
System.out.println( rset.getString( "}
} catch( SException e ) {
e.printStackTrace();
} finally {
rset.close();
prep.close();
conn.close();
}
}
public class DBCompare {
String sql = "SELECT * FROM <table> WHERE= ?";
try {
Mysql msql=new mysql(sql);
prep.setString( 1, "" );
rset = prep.executeQuery();
if( rset.next() ) {
System.out.println( rset.getString( "}
} catch( SException e ) {
e.printStackTrace();
} finally {
mysql.close();
mysql=null;
}
}