我有导入com.mysql.jdbc.Connection的问题它说包com.mysql.jdbc不存在,我已经把mysql-connector-java-5.1.36放在了netbeans包com.mysql.jdbc不存在
package pkgnew;
import com.mysql.jdbc.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
/**
*
* @author xxxx1
*/
public class DBConn {
private Connection DBConn;
public Connection connect() {
try {
Class.forName("com.mysql.jdbc.Driver");
System.out.println("Connection Success");
}
catch(ClassNotFoundException cnfe){
System.out.println("Connection Fail" + cnfe);
}
String url = "jdbc:mysql://localhost:3306/cars";
try {
DBConn = (Connection) DriverManager.getConnection(url, "root","123456");
System.out.println("Database Connected");
}
catch (SQLException se){
System.out.println("No Database"+se);
}
return DBConn;
}
}
将jar添加到正确项目后生成项目 – Rehman
确保您在** classpath **中有MySQL jar文件吗? – Bikku
您通常不需要将'java.sql.Connection'强制转换为'com.mysql.jdbc.Connection',您所做的只是某种反模式 –