From fc6762a45911d1722db28958162cd187f8fcfac8 Mon Sep 17 00:00:00 2001
From: fujiangfer <1632816175@qq.com>
Date: Tue, 30 Mar 2021 20:49:47 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E6=AC=A1=E4=BF=AE=E6=94=B9=E5=87=BA?=
 =?UTF-8?q?=E7=8E=B0bug=E4=BF=AE=E5=A4=8D?=
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修复跳转一直跳到第一页的问题
---
 .../edu/fzu/postsearch/servlet/PostServlet.java     | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/221801121&221801131/java/edu/fzu/postsearch/servlet/PostServlet.java b/221801121&221801131/java/edu/fzu/postsearch/servlet/PostServlet.java
index 642f85d59..c3b46df10 100644
--- a/221801121&221801131/java/edu/fzu/postsearch/servlet/PostServlet.java
+++ b/221801121&221801131/java/edu/fzu/postsearch/servlet/PostServlet.java
@@ -31,18 +31,19 @@ public void service(HttpServletRequest req, HttpServletResponse resp) throws Ser
         int maxPage = 0;// 最大页
         int pageCount = posts.size();// 得到查询出来的所有数据的数目
         // 如果是第一次执行,就会接收不到数据
-        if ((strNum == null)||(strNum.equals(""))) {
-            strNum = "0";
-        } else {// 接收到了用户点击的第几(pageNum)页
-            pageNum = Integer.parseInt(strNum);
-            if (pageNum < 0 || pageNum > maxPage)pageNum = 0;
-        }
         // 计算出要分多少页
         if (pageCount % 31 == 0) {
             maxPage = pageCount / 31;
         } else {
             maxPage = pageCount / 31 + 1;
         }
+        if ((strNum == null)||(strNum.equals(""))) {
+            strNum = "0";
+        } else {// 接收到了用户点击的第几(pageNum)页
+            pageNum = Integer.parseInt(strNum);
+            if (pageNum < 0 || pageNum > maxPage)pageNum = 0;
+        }
+
         req.setAttribute("maxPage", maxPage);// 存储最大页数
         req.setAttribute("pageNum", pageNum);// 将当前页面存储起来,给分页页面使用
         req.setAttribute("posts", posts);