代码:import java.sql.*;
public class SQL {
static Connection con;
static Statement sql;
static ResultSet res;
public Connection getConnection(){
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
System.out.println("数据库驱动加载成功");
}catch(Exception e){
e.printStackTrace();
}
try{
con=DriverManager.getConnection("jdbc:odbc:DemoDB", "sa", "3344521as");
System.out.println("数据库连接成功");
}catch(Exception e){
e.printStackTrace();
}
return con;
}
public static void main(String[] args){
SQL c=new SQL();
c.getConnection();
try{
sql=con.createStatement();
res=sql.executeQuery("select * from CommodityInfo");
while(res.next()){
float price=res.getFloat("InPrice");
String name=res.getString("CommodityName");
int amount=res.getInt("Amount");
System.out.println("价格:"+price);
System.out.println("商品名称:"+name);
System.out.println("总数量:"+amount);
}
}catch(Exception e){
e.printStackTrace();
}
}
}
代码报错如下:
at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7121)
at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(JdbcOdbc.java:3117)
at sun.jdbc.odbc.JdbcOdbcStatement.execute(JdbcOdbcStatement.java:337)
at sun.jdbc.odbc.JdbcOdbcStatement.executeQuery(JdbcOdbcStatement.java:252)
at SQL.main(SQL.java:28)
我在用JDBC-ODBC桥梁连接数据库是发生以上报错,初学java不久不知道怎么解决?请大神们帮忙指点一下,谢谢!