app.js
//app.js
App({
onLaunch: function () {
//调用API从本地缓存中获取数据
var logs = wx.getStorageSync('logs') || []
logs.unshift(Date.now())
wx.setStorageSync('logs', logs)
},
getUserInfo:function(cb){
var that = this
if(this.globalData.userInfo){
typeof cb == "function" && cb(this.globalData.userInfo)
}else{
//调用登录接口
wx.login({
success: function () {
wx.getUserInfo({
success: function (res) {
that.globalData.userInfo = res.userInfo
typeof cb == "function" && cb(that.globalData.userInfo)
}
})
}
})
}
},
globalData:{
userInfo:null
}
})
util.js
function formatTime(date) {
var year = date.getFullYear()
var month = date.getMonth() + 1
var day = date.getDate()
var hour = date.getHours()
var minute = date.getMinutes()
var second = date.getSeconds()
return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
}
function formatNumber(n) {
n = n.toString()
return n[1] ? n : '0' + n
}
function clog(data) {
console.log(data);
}
module.exports = {
formatTime: formatTime,
clog: clog
}
pages/index/index.js
//index.js
var util = require("../../utils/util.js");
//获取应用实例
var app = getApp();
Page({
data: {
userInfo: {},
buttonLoading: false,
accountData: [],
accountTotal: 0
},
onLoad: function () {
console.log('onLoad')
var that = this;
// 获取记录
var tempAccountData = wx.getStorageSync("accountData") || [];
this.caculateTotal(tempAccountData);
this.setData({
accountData: tempAccountData
});
},
// 计算总额
caculateTotal: function (data) {
var tempTotal = 0;
for (var x in data) {
tempTotal += parseFloat(data[x].amount);
}
this.setData({
accountTotal: tempTotal
});
},
//表单提交
formSubmit: function (e) {
this.setData({
buttonLoading: true
});
var that = this;
setTimeout(function () {
var inDetail = e.detail.value.inputdetail;
var inAmount = e.detail.value.inputamount;
if (inDetail.toString().length <= 0 || inAmount.toString().length <= 0) {
console.log("can not empty");
that.setData({
buttonLoading: false
});
return false;
}
//新增记录
var tempAccountData = wx.getStorageSync("accountData") || [];
tempAccountData.unshift({ detail: inDetail, amount: inAmount });
wx.setStorageSync("accountData", tempAccountData);
that.caculateTotal(tempAccountData);
that.setData({
accountData: tempAccountData,
buttonLoading: false
});
}, 1000);
},
//删除行
deleteRow: function (e) {
var that = this;
var index = e.target.dataset.indexKey;
var tempAccountData = wx.getStorageSync("accountData") || [];
tempAccountData.splice(index, 1);
wx.setStorageSync("accountData", tempAccountData);
that.caculateTotal(tempAccountData);
that.setData({
accountData: tempAccountData,
});
}
})
来逻辑处理添加，删除，提交表单