feat: complete getting notice info

constants/constants.go

@@ -17,19 +17,21 @@ limitations under the License.
 package constants
 
 const (
-	ClassroomQueryURL = "https://jwcjwxt2.fzu.edu.cn:81/kkgl/kbcx/kbcx_kjs.aspx"
-	CourseURL         = "https://jwcjwxt2.fzu.edu.cn:81/student/xkjg/wdxk/xkjg_list.aspx"
-	MarksQueryURL     = "https://jwcjwxt2.fzu.edu.cn:81/student/xyzk/cjyl/score_sheet.aspx"
-	CETQueryURL       = "https://jwcjwxt2.fzu.edu.cn:81/student/glbm/cet/cet_cszt.aspx"
-	JSQueryURL        = "https://jwcjwxt2.fzu.edu.cn:81/student/glbm/computer/jsj_cszt.aspx"
-	UserInfoURL       = "https://jwcjwxt2.fzu.edu.cn:81/jcxx/xsxx/StudentInformation.aspx"
-	SSOLoginURL       = "https://jwcjwxt2.fzu.edu.cn/Sfrz/SSOLogin"
-	SchoolCalendarURL = "https://jwcjwxt2.fzu.edu.cn:82/xl.asp"
-	CreditQueryURL    = "https://jwcjwxt2.fzu.edu.cn:81/student/xyzk/xftj/CreditStatistics.aspx"
-	GPAQueryURL       = "https://jwcjwxt2.fzu.edu.cn:81/student/xyzk/jdpm/GPA_sheet.aspx"
-	VerifyCodeURL     = "https://jwcjwxt1.fzu.edu.cn/plus/verifycode.asp"
-	ExamRoomQueryURL  = "https://jwcjwxt2.fzu.edu.cn:81/student/xkjg/examination/exam_list.aspx"
-	CultivatePlanURL  = "https://jwcjwxt2.fzu.edu.cn:81/pyfa/pyjh/pyjh_list.aspx"
+	ClassroomQueryURL   = "https://jwcjwxt2.fzu.edu.cn:81/kkgl/kbcx/kbcx_kjs.aspx"
+	CourseURL           = "https://jwcjwxt2.fzu.edu.cn:81/student/xkjg/wdxk/xkjg_list.aspx"
+	MarksQueryURL       = "https://jwcjwxt2.fzu.edu.cn:81/student/xyzk/cjyl/score_sheet.aspx"
+	CETQueryURL         = "https://jwcjwxt2.fzu.edu.cn:81/student/glbm/cet/cet_cszt.aspx"
+	JSQueryURL          = "https://jwcjwxt2.fzu.edu.cn:81/student/glbm/computer/jsj_cszt.aspx"
+	UserInfoURL         = "https://jwcjwxt2.fzu.edu.cn:81/jcxx/xsxx/StudentInformation.aspx"
+	SSOLoginURL         = "https://jwcjwxt2.fzu.edu.cn/Sfrz/SSOLogin"
+	SchoolCalendarURL   = "https://jwcjwxt2.fzu.edu.cn:82/xl.asp"
+	CreditQueryURL      = "https://jwcjwxt2.fzu.edu.cn:81/student/xyzk/xftj/CreditStatistics.aspx"
+	GPAQueryURL         = "https://jwcjwxt2.fzu.edu.cn:81/student/xyzk/jdpm/GPA_sheet.aspx"
+	VerifyCodeURL       = "https://jwcjwxt1.fzu.edu.cn/plus/verifycode.asp"
+	ExamRoomQueryURL    = "https://jwcjwxt2.fzu.edu.cn:81/student/xkjg/examination/exam_list.aspx"
+	NoticeInfoQueryURL  = "https://jwch.fzu.edu.cn/jxtz.htm"
+	JwchNoticeURLPrefix = "https://jwch.fzu.edu.cn/"
+	CultivatePlanURL    = "https://jwcjwxt2.fzu.edu.cn:81/pyfa/pyjh/pyjh_list.aspx"
 
 	JwchPrefix  = "https://jwcjwxt2.fzu.edu.cn:81"
 	JwchReferer = "https://jwcjwxt1.fzu.edu.cn/"

jwch_test.go

@@ -278,6 +278,16 @@ func TestGetExamRoomInfo(t *testing.T) {
 	}
 }
 
+func TestGetNoticesInfo(t *testing.T) {
+	content, err := stu.GetNoticeInfo(&NoticeInfoReq{PageNum: 2})
+	if err != nil {
+		t.Error(err)
+	}
+	if content == nil {
+		t.Error("content is nil")
+	}
+}
+
 func TestGetCultivatePlan(t *testing.T) {
 	_, err := stu.GetCultivatePlan()
 	if err != nil {

model.go

@@ -187,3 +187,13 @@ type ExamRoomInfo struct {
 	Time       string // 考试时间
 	Location   string // 考试地点
 }
+
+type NoticeInfo struct {
+	Title string // 通知标题
+	URL   string // 通知链接
+	Date  string // 通知日期
+}
+
+type NoticeInfoReq struct {
+	PageNum int // 获取第几页的数据，从 1 开始
+}

notice.go

@@ -0,0 +1,121 @@
+/*
+Copyright 2024 The west2-online Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package jwch
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/antchfx/htmlquery"
+	"golang.org/x/net/html"
+
+	"github.com/west2-online/jwch/constants"
+)
+
+func (s *Student) GetNoticeInfo(req *NoticeInfoReq) (list []*NoticeInfo, err error) {
+	// 获取通知公告页面的总页数
+	res, err := s.PostWithIdentifier(constants.NoticeInfoQueryURL, map[string]string{})
+	if err != nil {
+		return nil, err
+	}
+	// 首页直接爬取
+	if req.PageNum == 1 {
+		list, err = parseNoticeInfo(res)
+		if err != nil {
+			return nil, err
+		}
+		return list, nil
+	}
+	// 分页需要根据页数计算 url
+	lastPageNum, err := getTotalPages(res)
+	if err != nil {
+		return nil, err
+	}
+	// 判断是否超出总页数
+	if req.PageNum > lastPageNum {
+		return nil, fmt.Errorf("超出总页数")
+	}
+	// 根据总页数计算 url
+	num := lastPageNum - req.PageNum + 1
+	url := fmt.Sprintf("https://jwch.fzu.edu.cn/jxtz/%d.htm", num)
+	doc, err := s.PostWithIdentifier(url, map[string]string{})
+	if err != nil {
+		return nil, err
+	}
+	list, err = parseNoticeInfo(doc)
+	if err != nil {
+		return nil, err
+	}
+	// 3. 返回结果
+	return list, nil
+}
+
+// 获取当前页面的所有数据信息
+func parseNoticeInfo(doc *html.Node) ([]*NoticeInfo, error) {
+	// 解析通知公告页面
+	var list []*NoticeInfo
+
+	sel := htmlquery.FindOne(doc, "//div[@class='box-gl clearfix']")
+	if sel == nil {
+		return nil, fmt.Errorf("cannot find the notice list")
+	}
+
+	rows := htmlquery.Find(sel, ".//ul[@class='list-gl']/li")
+
+	for _, row := range rows {
+		// 提取日期
+		dateNode := htmlquery.FindOne(row, ".//span[@class='doclist_time']")
+		if dateNode == nil {
+			return nil, fmt.Errorf("cannot find the date")
+		}
+		date := strings.TrimSpace(htmlquery.InnerText(dateNode))
+
+		// 提取标题
+		titleNode := htmlquery.FindOne(row, ".//a")
+
+		title := strings.TrimSpace(htmlquery.SelectAttr(titleNode, "title"))
+
+		// 提取 URL
+		url := strings.TrimSpace(htmlquery.SelectAttr(titleNode, "href"))
+		url = constants.JwchNoticeURLPrefix + url
+
+		noticeInfo := &NoticeInfo{
+			Title: title,
+			URL:   url,
+			Date:  date,
+		}
+		list = append(list, noticeInfo)
+	}
+
+	return list, nil
+}
+
+// 获取总页数
+func getTotalPages(doc *html.Node) (int, error) {
+	totalPagesNode := htmlquery.FindOne(doc, "//span[@class='p_pages']//a[@href='jxtz/1.htm']")
+	if totalPagesNode == nil {
+		return 0, fmt.Errorf("未找到总页数")
+	}
+
+	totalPagesStr := htmlquery.InnerText(totalPagesNode)
+	var totalPages int
+	_, err := fmt.Sscanf(totalPagesStr, "%d", &totalPages)
+	if err != nil {
+		return 0, fmt.Errorf("解析总页数失败: %v", err)
+	}
+	return totalPages, nil
+}