1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
| // pages/news/list.js
| const app = getApp()
| const utils = require('../../lib/utils.js')
|
| Page({
| data: {
| newsList: [],
| loading: true,
| hasMore: true,
| currentPage: 1,
| pageSize: 10
| },
|
| onLoad(options) {
| this.loadNewsList()
| },
|
| onShow() {
| // 统一系统导航栏标题
| try { wx.setNavigationBarTitle({ title: '新闻资讯' }) } catch (e) {}
| },
|
| onPullDownRefresh() {
| this.refreshData()
| },
|
| onReachBottom() {
| if (this.data.hasMore && !this.data.loading) {
| this.loadMoreNews()
| }
| },
|
| // 刷新数据
| refreshData() {
| this.setData({
| currentPage: 1,
| hasMore: true,
| newsList: []
| })
| this.loadNewsList().finally(() => {
| wx.stopPullDownRefresh()
| })
| },
|
| // 加载新闻列表
| loadNewsList(isLoadMore = false) {
| this.setData({ loading: true })
|
| const { currentPage, pageSize } = this.data
|
| return app.graphqlRequest(`
| query getPublishedNewsList($page: Int!, $size: Int!) {
| publishedNewsList(page: $page, size: $size) {
| content {
| id
| title
| summary
| coverImage
| author
| viewCount
| createTime
| }
| totalElements
| page
| size
| }
| }
| `, {
| page: currentPage,
| size: pageSize
| }).then(data => {
| if (data.publishedNewsList) {
| const newNewsList = data.publishedNewsList.content
|
| // 格式化时间显示
| newNewsList.forEach(news => {
| if (news.createTime) {
| news.createTime = utils.formatDate(news.createTime, 'YYYY-MM-DD HH:mm:ss');
| }
| });
|
| // 合并数据：只有在真正的加载更多时才追加，其他情况都是全量替换
| const mergedNewsList = isLoadMore && this.data.newsList.length > 0
| ? [...this.data.newsList, ...newNewsList]
| : newNewsList
|
| this.setData({
| newsList: mergedNewsList,
| hasMore: data.publishedNewsList.totalElements > (currentPage * pageSize) && newNewsList.length > 0,
| loading: false
| })
| }
| }).catch(err => {
| console.error('加载新闻列表失败:', err)
| wx.showToast({
| title: '加载失败，请重试',
| icon: 'none'
| })
| this.setData({ loading: false })
| })
| },
|
| // 加载更多新闻
| loadMoreNews() {
| this.setData({
| currentPage: this.data.currentPage + 1
| })
| this.loadNewsList(true)
| },
|
| // 跳转到新闻详情
| goToNewsDetail(e) {
| const newsId = e.currentTarget.dataset.id
| if (newsId) {
| wx.navigateTo({
| url: `/pages/news/detail?id=${newsId}`
| })
| }
| }
| })
|
|
