public static ResultSet Connection(String sql) {
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection cn = DriverManager.getConnection("jdbc:odbc:bookmanagesys", "",
"");
Statement stmt = cn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_READ_ONLY);
ResultSet rs = stmt.executeQuery(sql);
return rs;
}
catch (Exception e) {
System.out.print(e);
return null;
}
}如果你肯定你的数据源设置好。用我这段代码肯定没问题
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection cn = DriverManager.getConnection("jdbc:odbc:bookmanagesys", "",
"");
Statement stmt = cn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_READ_ONLY);
ResultSet rs = stmt.executeQuery(sql);
return rs;
}
catch (Exception e) {
System.out.print(e);
return null;
}
}如果你肯定你的数据源设置好。用我这段代码肯定没问题
import java.lang.*;加进去
SQLExecption 则是 SQLException
建议楼主用JB等有纠错的IDE开发工具.