deleteservlet.java

来自「用Servlet做的一个小项目。用Servlet做的一个小项目。用Servlet」· Java 代码 · 共 37 行

package controller;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import model.dao.BaseDao;

/**
 * 删除联系人
 */
public class DeleteServlet extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// 获取ID
		String str = request.getParameter("id");
		// 定义SQL语句
		String sql = "delete from BOOK where id=?";
		// 给占位符赋值
		String[] param = { String.valueOf(str) };
		// 调用BaseDao的增删改通用方法并传值进去
		BaseDao.executeSQL(sql, param);
		// 页面重定向
		response.sendRedirect("bookContent.jsp");
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// Post调用Get方法
		this.doGet(request, response);
	}
}