?? dbmanager.java~3~
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package bookmanager;import java.sql.*;public class DBManager { ResultSet rs ; String strurl="jdbc:odbc:myBook"; public DBManager() { } public ResultSet getResult(String sql){ try{ Class.forName("sun.jdbc.odbc.JdbcOdbcDriver") ; Connection conn=DriverManager.getConnection(strurl) ; Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE); ResultSet rs=stmt.executeQuery(sql); return rs; } catch(Exception e){ System.out.println( "getResult------"+e.toString() ); } return rs; } public boolean executeSql(String sql){ try{ Class.forName("sun.jdbc.odbc.JdbcOdbcDriver") ; Connection conn=DriverManager.getConnection(strurl) ; Statement stmt=conn.createStatement(); stmt.executeUpdate(sql); conn.commit(); return true; } catch(Exception e){ System.out.println( "executeSql------"+e.toString() ); return false; } } public int executeSqlupdate(String sql){ try{ int intreturn=0; Class.forName("sun.jdbc.odbc.JdbcOdbcDriver") ; Connection conn=DriverManager.getConnection(strurl) ; Statement stmt=conn.createStatement(); intreturn= stmt.executeUpdate(sql); conn.commit(); return intreturn; } catch(Exception e){ System.out.println( "executeSql------"+e.toString() ); return 0; } } }?? 快捷鍵說(shuō)明
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