removecommand.java

来自「利用JAVA开发的简单考试系统」· Java 代码 · 共 25 行

package controller.command;

import java.sql.SQLException;
import model.condition.visitor.SingleVisitor;
import model.condition.visitor.Visitor;
/**
 *
 * <p>Title: </p>
 * 删除命令
 * <p>Description: </p>
 * 通过此类调用model层的删除命令
 */
public class RemoveCommand implements OperateCommand{
	String id;
	public RemoveCommand(String id){
		this.id = id;
	}
	 public void excute() {
		Visitor v = new SingleVisitor();
		try{
		v.remove(this.id);
		}catch(SQLException e){System.out.println("sql wrong");}
	 }
}