Update UpdateMemberPasswordServlet.java

ticketing-master/src/com/cn/servlet/UpdateMemberPasswordServlet.java

@@ -15,66 +15,81 @@ import com.cn.service.impl.MemberServiceImpl;
 /**
  * 
  * @ClassName: UpdateMemberPasswordServlet
- * @Description: 会员 修改密码
+ * @Description: 会员修改密码的Servlet
  * @author: ljy
  * @date: 2019年9月30日 下午11:01:33
  */
 public class UpdateMemberPasswordServlet extends HttpServlet {
-	private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 1L;
        
     /**
-     * @see HttpServlet#HttpServlet()
+     * HttpServlet的构造函数。
      */
     public UpdateMemberPasswordServlet() {
         super();
-        // TODO Auto-generated constructor stub
+        // 构造函数中的代码，通常不需要自定义操作，因为父类已经处理
     }
 
-	/**
+    /**
-	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
+     * 处理GET请求的方法。
-	 */
+     * 当客户端发送GET请求到此Servlet时，这个方法会被调用。
-	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+     * @param request HttpServletRequest对象，包含客户端请求信息。
-		// TODO Auto-generated method stub
+     * @param response HttpServletResponse对象，用于发送响应到客户端。
-		response.getWriter().append("Served at: ").append(request.getContextPath());
+     * @throws ServletException 可能抛出的Servlet异常。
-	}
+     * @throws IOException 可能抛出的IO异常。
-
+     */
-	/**
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
+        // TODO Auto-generated method stub
-	 */
+        response.getWriter().append("Served at: ").append(request.getContextPath());
-	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+    }
-		
-		String oldPassword = request.getParameter("oldPassword");
-		String newPassword = request.getParameter("newPassword");
-		
-		Member member = (Member) request.getSession().getAttribute("member");
-		
-		PrintWriter out = response.getWriter();
-		
-		// 判断原密码是否正确
-		if(oldPassword!=null && member.getPassword().equals(oldPassword)) {
-			// 修改密码
-			member.setPassword(newPassword);
-			MemberService memberService = new MemberServiceImpl();
-			int recordNumber = memberService.updateMember(member);
-			
-			if(recordNumber == 1) {
-				out.write("<script>alert('修改成功！');"
-				    + "window.location.href='pages/user/myCenter/right/updateMemberPassword.jsp'</script>");
-			}else {
-				out.write("<script>alert('很抱歉,修改失败！');"
-					    + "window.location.href='pages/user/myCenter/right/updateMemberPassword.jsp'</script>");
-			}
-			
-		} else {
-			out.write("<script>alert('很抱歉,修改失败！');"
-				    + "window.location.href='pages/user/myCenter/right/updateMemberPassword.jsp'</script>");
-		}
-		
-		out.close();
-		
-		
-		
 
-	}
+    /**
+     * 处理POST请求的方法。
+     * 当客户端发送POST请求到此Servlet时，这个方法会被调用。
+     * @param request HttpServletRequest对象，包含客户端请求信息。
+     * @param response HttpServletResponse对象，用于发送响应到客户端。
+     * @throws ServletException 可能抛出的Servlet异常。
+     * @throws IOException 可能抛出的IO异常。
+     */
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        
+        // 从请求中获取旧密码和新密码参数
+        String oldPassword = request.getParameter("oldPassword");
+        String newPassword = request.getParameter("newPassword");
+        
+        // 从Session中获取当前登录的会员对象
+        Member member = (Member) request.getSession().getAttribute("member");
+        
+        // 获取PrintWriter对象，用于向客户端发送响应
+        PrintWriter out = response.getWriter();
+        
+        // 判断原密码是否正确
+        if(oldPassword != null && member.getPassword().equals(oldPassword)) {
+            // 原密码正确，修改密码
+            member.setPassword(newPassword);
+            // 创建MemberService的实现类对象，用于访问会员相关的业务逻辑
+            MemberService memberService = new MemberServiceImpl();
+            // 更新会员密码
+            int recordNumber = memberService.updateMember(member);
+            
+            if(recordNumber == 1) {
+                // 更新成功，弹出提示并跳转到修改密码页面
+                out.write("<script>alert('修改成功！');"
+                        + "window.location.href='pages/user/myCenter/right/updateMemberPassword.jsp'</script>");
+            } else {
+                // 更新失败，弹出提示并跳转到修改密码页面
+                out.write("<script>alert('很抱歉,修改失败！');"
+                        + "window.location.href='pages/user/myCenter/right/updateMemberPassword.jsp'</script>");
+            }
+            
+        } else {
+            // 原密码错误，弹出提示并跳转到修改密码页面
+            out.write("<script>alert('很抱歉,修改失败！');"
+                    + "window.location.href='pages/user/myCenter/right/updateMemberPassword.jsp'</script>");
+        }
+        
+        // 关闭PrintWriter对象
+        out.close();
+    }
 
 }