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@ -1,78 +1,93 @@
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package com.cn.servlet;
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package com.cn.servlet; // 定义Servlet所在的包名
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.io.IOException; // 导入IOException,用于处理输入输出异常
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import java.io.PrintWriter; // 导入PrintWriter,用于向客户端发送字符文本数据
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.ServletException; // 导入ServletException,用于处理Servlet运行时的异常
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import javax.servlet.http.HttpServlet; // 导入HttpServlet,是所有HTTP servlet的父类
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import javax.servlet.http.HttpServletRequest; // 导入HttpServletRequest,代表客户端的请求信息
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import javax.servlet.http.HttpServletResponse; // 导入HttpServletResponse,代表服务器对客户端的响应信息
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import com.cn.domain.Pmember;
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import com.cn.service.MemberService;
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import com.cn.service.PmemberService;
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import com.cn.service.impl.MemberServiceImpl;
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import com.cn.service.impl.PmemberServiceImpl;
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import com.cn.domain.Pmember; // 导入Pmember类,该类定义了会员个人信息的数据结构
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import com.cn.service.MemberService; // 导入MemberService接口,该接口定义了会员服务的方法
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import com.cn.service.PmemberService; // 导入PmemberService接口,该接口定义了会员个人信息服务的方法
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import com.cn.service.impl.MemberServiceImpl; // 导入MemberService接口的实现类,用于具体的会员业务操作
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import com.cn.service.impl.PmemberServiceImpl; // 导入PmemberService接口的实现类,用于具体的会员个人信息业务操作
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/**
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*
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* @ClassName: DeleteMemberAdminServlet
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* @Description: 管理员 删除会员
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* @author: ljy
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* @date: 2019年9月28日 下午9:31:52
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* DeleteMemberAdminServlet类,用于处理管理员删除会员的请求。
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* @ClassName: DeleteMemberAdminServlet 类名:DeleteMemberAdminServlet
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* @Description: 管理员删除会员
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* @author: ljy Servlet的作者
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* @date: 2019年9月28日 下午9:31:52 Servlet创建的日期和时间
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*/
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public class DeleteMemberAdminServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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private static final long serialVersionUID = 1L; // 用于序列化
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/**
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* @see HttpServlet#HttpServlet()
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* 默认构造函数。
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*/
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public DeleteMemberAdminServlet() {
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super();
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super(); // 调用父类的构造函数
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// TODO Auto-generated constructor stub
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}
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/**
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* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
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* 处理GET请求的方法,用于执行删除会员的操作。
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* @param request HttpServletRequest对象,包含客户端的请求信息
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* @param response HttpServletResponse对象,包含服务器对客户端的响应信息
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* @throws ServletException 抛出Servlet异常
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* @throws IOException 抛出输入输出异常
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*/
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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// 从请求中获取会员ID,并转换为Integer类型
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Integer memberId = Integer.valueOf(request.getParameter("memberId"));
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// 创建会员个人信息服务对象
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PmemberService pmemberService = new PmemberServiceImpl();
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// 创建会员服务对象
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MemberService memberService = new MemberServiceImpl();
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// 先删除pmember表内的会员个人信息
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// 根据会员ID获取会员个人信息对象
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Pmember pmember = pmemberService.getPmemberByMemberId(memberId);
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// 删除会员个人信息,并返回影响的记录数
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int recordNumber = pmemberService.delete(pmember.getPmemberId());
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// 获取PrintWriter对象,用于向客户端发送响应
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PrintWriter out = response.getWriter();
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if(recordNumber == 1) {
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// 后删除member表内的会员信息
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// 如果会员个人信息删除成功,再删除member表内的会员信息
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// 删除会员,并返回影响的记录数
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int recordNumber1 = memberService.deleteMember(memberId);
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if(recordNumber1 == 1) {
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out.write("<script>alert('删除会员成功!');"
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+ "window.location.href='MemberCenterServlet'</script>");
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// 如果会员删除成功,向客户端发送JavaScript代码,弹出提示并跳转到会员中心页面
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out.write("<script>alert('删除会员成功!');" + "window.location.href='MemberCenterServlet'</script>");
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}else {
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out.write("<script>alert('很抱歉,删除会员失败!');"
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+ "window.location.href='MemberCenterServlet'</script>");
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// 如果会员删除失败,向客户端发送JavaScript代码,弹出提示并跳转到会员中心页面
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out.write("<script>alert('很抱歉,删除会员失败!');" + "window.location.href='MemberCenterServlet'</script>");
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}
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}else {
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out.write("<script>alert('很抱歉,删除会员失败!');"
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+ "window.location.href='MemberCenterServlet'</script>");
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// 如果会员个人信息删除失败,向客户端发送JavaScript代码,弹出提示并跳转到会员中心页面
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out.write("<script>alert('很抱歉,删除会员失败!');" + "window.location.href='MemberCenterServlet'</script>");
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}
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// 关闭PrintWriter对象
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out.close();
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}
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/**
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* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
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* 处理POST请求的方法,此实现中直接调用doGet方法。
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* @param request HttpServletRequest对象,包含客户端的请求信息
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* @param response HttpServletResponse对象,包含服务器对客户端的响应信息
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* @throws ServletException 抛出Servlet异常
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* @throws IOException 抛出输入输出异常
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*/
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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// TODO Auto-generated method stub
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doGet(request, response);
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doGet(request, response); // 直接调用doGet方法处理
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}
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}
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}
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