不能直接把後臺返回的數組數據賦值到定義的空數組中,一定要concat連接,否則結果是看似是個數組,但是獲取到的該數組卻為空,導致第一次上拉載入更多的時候是拿到的之前的數組依然是空數組。 var config = require('../../config') var util = require(' ...
<!-- wxml--> <view> <view class="refreshTip" wx:if="{{refreshCompeleted==true}}">刷新成功</view> <news-list-item wx:for="{{newsList}}" news="{{item}}" wx:key="item.id"></news-list-item> <view class="weui-loadmore" wx:if="{{loading===true}}"> <view class="weui-loading"></view> <view class="weui-loadmore__tips">載入中</view> </view> <view class="weui-loadmore" wx:if="{{loadingCompeleted===true}}"> <view class="weui-loadmore__tips">載入完成</view> </view> <view class="weui-loadmore weui-loadmore_line" wx:if="{{noData===true}}"> <view class="weui-loadmore__tips weui-loadmore__tips_in-line">暫無數據</view> </view> </view>
不能直接把後臺返回的數組數據賦值到定義的空數組中,一定要concat連接,否則結果是看似是個數組,但是獲取到的該數組卻為空,導致第一次上拉載入更多的時候是拿到的之前的數組依然是空數組。
var config = require('../../config') var util = require('../../utils/util.js')
Component({ properties: { category: { type: String, value: "index" }, params: { type: String, value: "" }, }, data: { newsList: [], page: 0, size: 10, totalPages: 0, refreshCompeleted: false, loadingCompeleted: false, loading: false, noData: false }, methods: { getList() { let that = this; that.setData({ page: 0 }) if (that.data.category === "index") { util.get(`${config.service.host}/web/news/list_with_pub_info?channelId=${config.channelId}&page=0&size=${that.data.size}`, function(res) { res.data.content.filter((value) => { return value.createAt = util.formatTimeDistance(new Date(value.createAt)) }) let newsList = that.data.newsList.concat(res.data.content);//這裡要特別註意,不能直接that.setData({newsList:res.data.content}) ,見下麵註釋 that.setData({ newsList: newsList, totalPages: res.data.totalPages, }) if (res.data.content.length = 0) { that.setData({ noData: true }) } if (res.data.content.length !== 0 && that.data.page + 1 == that.data.totalPages) { that.setData({ loadingCompeleted: true, loading: false, noData: false }) } setTimeout(function() { that.setData({ refreshCompeleted: true }) }, 1000) setTimeout(function() { that.setData({ refreshCompeleted: false }) }, 2000) }, function(e) { console.log(JSON.stringify(e)); }); } else if (that.data.category === "search") { util.get(`${config.service.host}/web/news/search_in_channel_with_pub_info?channelId=${config.channelId}&page=${that.data.page}&size=${that.data.size}&q=${that.data.params}`, function(res) { res.data.content.filter((value) => { value.createAt = util.formatTimeDistance(new Date(value.createAt)); let keyword = that.data.params; let re = new RegExp(keyword, "g"); value.title = value.title.replace(re, `<span class="keyword">${keyword}</span>`); return value }) let newsList = that.data.newsList.concat(res.data.content); that.setData({ newsList: newsList, totalPages: res.data.totalPages, }) console.log(res.data.content.length) if (res.data.content.length === 0) { that.setData({ noData: true }) } if (res.data.content.length !== 0 && that.data.page + 1 == that.data.totalPages) { that.setData({ loadingCompeleted: true, loading: false, noData: false }) } setTimeout(function() { that.setData({ refreshCompeleted: true }) }, 1000) setTimeout(function() { that.setData({ refreshCompeleted: false }) }, 2000) }, function(e) { console.log(JSON.stringify(e)); }); } else if (that.data.category === "professor") { util.get(`${config.service.host}/web/news/list_by_follow_with_pub_info?pubId=${that.data.params}&page=${that.data.page}&size=${that.data.size}&q=${that.data.params}`, function(res) { res.data.content.filter((value) => { return value.createAt = util.formatTimeDistance(new Date(value.createAt)) }) let newsList = that.data.newsList.concat(res.data.content); that.setData({ newsList: newsList, totalPages: res.data.totalPages, }) if (res.data.content.length === 0) { that.setData({ noData: true }) } if (res.data.content.length !== 0 && that.data.page + 1 == that.data.totalPages) { that.setData({ loadingCompeleted: true, loading: false, noData: false }) } setTimeout(function() { that.setData({ refreshCompeleted: true }) }, 1000) setTimeout(function() { that.setData({ refreshCompeleted: false }) }, 2000) }, function(e) { console.log(JSON.stringify(e)); }); }
}, getMoreList: function() { let that = this; setTimeout(function() { if (that.data.page + 1 < that.data.totalPages) { that.setData({ page: that.data.page + 1, loading: true }) if (that.data.category === "index") { util.get(`${config.service.host}/web/news/list_with_pub_info?channelId=${config.channelId}&page=${that.data.page}&size=${that.data.size}`, function(res) { res.data.content.filter((value) => { return value.createAt = util.formatTimeDistance(new Date(value.createAt)) }) that.setData({ newsList: that.data.newsList.concat(res.data.content), totalPages: res.data.totalPages, loading: false }) }, function(e) { console.log(JSON.stringify(e)); }); } else if (that.data.category === "search") { util.get(`${config.service.host}/web/news/search_in_channel_with_pub_info?channelId=${config.channelId}&page=${that.data.page}&size=${that.data.size}&q=${that.data.params}`, function(res) { res.data.content.filter((value) => { value.createAt = util.formatTimeDistance(new Date(value.createAt)); let keyword = that.data.params; let re = new RegExp(keyword, "g"); value.title = value.title.replace(re, `<text class="keyword">${keyword}</text>`); return value }) that.setData({ newsList: that.data.newsList.concat(res.data.content), totalPages: res.data.totalPages, loading: false }) }, function(e) { console.log(JSON.stringify(e)); }); } else if (that.data.category === "professor") { util.get(`${config.service.host}/web/news/list_by_follow_with_pub_info?pubId=${that.data.params}&page=${that.data.page}&size=${that.data.size}&q=${that.data.params}`, function(res) { res.data.content.filter((value) => { return value.createAt = util.formatTimeDistance(new Date(value.createAt)) }) that.setData({ newsList: that.data.newsList.concat(res.data.content), totalPages: res.data.totalPages, loading: false }) }, function(e) { console.log(JSON.stringify(e)); }); }
} else { that.setData({ loading: false, loadingCompeleted: true }) } }, 500) }, }, })