?? conserviceimpl.java
字號:
package stu;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class ConServiceImpl implements ConService {
private Connection con=null;
private Statement stmt=null;
public ConServiceImpl(){
try {
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/stu","root","root");
stmt = con.createStatement();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public ResultSet executeQuery(String sql) throws SQLException{
ResultSet rs;
rs = stmt.executeQuery(sql);
return rs;
}
public int executeUpdate(String sql) throws SQLException {
return stmt.executeUpdate(sql);
}
}
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