/**
* 生命週期函數--監聽頁面加載
*/
onLoad: function(options) {
console.log('onload');
this.getData(this.data.page);
},
/**
* 獲取列表數據
*
*/
getData: function(page) {
var that = this;
console.log("page--->" + page);
const db = wx.cloud.database();
// 獲取總數
db.collection('topic').count({
success: function(res) {
that.data.totalCount = res.total;
}
})
// 獲取前十條
try {
db.collection('topic')
.where({
_openid: 'oSly***********vU1KwZE', // 填入當前用戶 openid
})
.limit(that.data.pageSize) // 限制返回數量爲 10 條
.orderBy('date', 'desc')
.get({
success: function(res) {
// res.data 是包含以上定義的兩條記錄的數組
// console.log(res.data)
that.data.topics = res.data;
that.setData({
topics: that.data.topics,
})
wx.hideNavigationBarLoading();//隱藏加載
wx.stopPullDownRefresh();
},
fail: function(event) {
wx.hideNavigationBarLoading();//隱藏加載
wx.stopPullDownRefresh();
}
})
} catch (e) {
wx.hideNavigationBarLoading();//隱藏加載
wx.stopPullDownRefresh();
console.error(e);
}
},
/**
* 保存到發佈集合中
*/
saveDataToServer: function(event) {
var that = this;
const db = wx.cloud.database();
const topic = db.collection('topic')
db.collection('topic').add({
// data 字段表示需新增的 JSON 數據
data: {
content: that.data.content,
date: new Date(),
images: that.data.images,
user: that.data.user,
isLike: that.data.isLike,
},
success: function(res) {
// res 是一個對象,其中有 _id 字段標記剛創建的記錄的 id
// 清空,然後重定向到首頁
console.log("success---->" + res)
// 保存到發佈歷史
that.saveToHistoryServer();
// 清空數據
that.data.content = "";
that.data.images = [];
that.setData({
textContent: '',
images: [],
})
that.showTipAndSwitchTab();
},
complete: function(res) {
console.log("complete---->" + res)
}
})
},
/**
* 頁面上拉觸底事件的處理函數
*/
onReachBottom: function() {
var that = this;
var temp = [];
// 獲取後面十條
if(this.data.topics.length < this.data.totalCount){
try {
const db = wx.cloud.database();
db.collection('topic')
.skip(5)
.limit(that.data.pageSize) // 限制返回數量爲 5 條
.orderBy('date', 'desc') // 排序
.get({
success: function (res) {
// res.data 是包含以上定義的兩條記錄的數組
if (res.data.length > 0) {
for(var i=0; i < res.data.length; i++){
var tempTopic = res.data[i];
console.log(tempTopic);
temp.push(tempTopic);
}
var totalTopic = {};
totalTopic = that.data.topics.concat(temp);
console.log(totalTopic);
that.setData({
topics: totalTopic,
})
} else {
wx.showToast({
title: '沒有更多數據了',
})
}
},
fail: function (event) {
console.log("======" + event);
}
})
} catch (e) {
console.error(e);
}
}else{
wx.showToast({
title: '沒有更多數據了',
})
}
},