急求cannot be resolved怎么改呀?import java.sql.*;public class Ss {public static void main(String[] args) {try{Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");}catch(ClassNotFoundException e){}Connection con=DriverManager.getConnection("jdbc:odbc:
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![急求cannot be resolved怎么改呀?import java.sql.*;public class Ss {public static void main(String[] args) {try{Class.forName(](/uploads/image/z/11089825-25-5.jpg?t=%E6%80%A5%E6%B1%82cannot+be+resolved%E6%80%8E%E4%B9%88%E6%94%B9%E5%91%80%3Fimport+java.sql.%2A%3Bpublic+class+Ss+%7Bpublic+static+void+main%28String%5B%5D+args%29+%7Btry%7BClass.forName%28%22sun.jdbc.odbc.JdbcOdbcDriver%22%29%3B%7Dcatch%28ClassNotFoundException+e%29%7B%7DConnection+con%3DDriverManager.getConnection%28%22jdbc%3Aodbc%3A)
急求cannot be resolved怎么改呀?import java.sql.*;public class Ss {public static void main(String[] args) {try{Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");}catch(ClassNotFoundException e){}Connection con=DriverManager.getConnection("jdbc:odbc:
急求cannot be resolved怎么改呀?
import java.sql.*;
public class Ss {
public static void main(String[] args) {
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");}
catch(ClassNotFoundException e){}
Connection con=DriverManager.getConnection("jdbc:odbc:ee");
try{Statement sql=con.createStatement();}
catch(SQLException e){}
ResultSet rs=sql.executeQuery("select * from cc");
}
}
急求cannot be resolved怎么改呀?import java.sql.*;public class Ss {public static void main(String[] args) {try{Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");}catch(ClassNotFoundException e){}Connection con=DriverManager.getConnection("jdbc:odbc:
嗯.这个问题很有深度,经过我代码粘贴和MyEclipse测试,终于知道什么问题了.主要是ResultSet rs=sql.executeQuery("select * from cc");中sql没有定义,因为sql在try,catch范围内,需要把这条与句改为:
try{
Connection con=DriverManager.getConnection("jdbc:odbc:ee");
Statement sql=con.createStatement();
ResultSet rs=sql.executeQuery("select * from cc");}
catch(SQLException e){
}