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// pages/info/pddInfo/index.js
import productApi from "../../../utils/https/common";
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import util from "../../../utils/util"
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let app = getApp();
let timer = null;
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import QRCode from '../../../utils/weapp-qrcode.js'
let device = wx.getSystemInfoSync();
const ratio = device.windowWidth / 750;
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Page({
/**
* 页面的初始数据
*/
data: {
info:null,
showRuleFlag:false,
kjId:null,
isKj:false,//是否是被邀请进来砍价的 本人去除
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isFollow:true,//是否已经关注公众号
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showShareFlag:false,//是否显示公众号的二维码
userInfo:null,
helpList:[]
},
/**
* 生命周期函数--监听页面加载
*/
onLoad: function (options) {
// 获取用户信息 后面的砍价接口和发起活动接口需要用到
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let that = this;
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productApi.user_post("uservice/user/getMyInfo",{}).then(r=>{
this.setData({
userInfo:r.data
})
let userid = r.data.id,service="activity.haggle/get_haggle_detail";
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productApi.user_post(service+'?id='+options.id+(options.originate_id?('&originate_id='+options.originate_id):''),{
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}).then(res=>{
if(!res.data.user_record || !res.data.user_record.id){
res.data.user_record = {
bargined_money:0
}
}
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if(res.data.originate && res.data.originate.id && options.originate_id){
res.data.user_record = res.data.originate;
}
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this.setData({
kjId:res.data.user_record.id
})
this.setData({
info:res.data
})
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// 判断是否是自己发起的活动
if(!res.data.user_record.id || res.data.user_record.user_id==userid){
this.setData({
isKj:false
})
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this.drawImg()
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}
else {
this.setData({
isKj:true
})
}
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// 只有发起了的活动才需要倒计时
if(res.data.user_record.id && res.data.user_record.over_time){
// 获取砍价记录
productApi.user_post("activity.haggle/help_list?limit=10&page=1&id="+res.data.user_record.id,{
limit:10,
page:1,
id:res.data.user_record.id
}).then(r=>{
this.setData({
helpList:r.data.data
})
})
this.setTime();
timer = setInterval(()=>{
this.setTime()
},1000)
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if(this.data.isKj){
// 发起者状态是砍价完成,提示用户:我已经砍价完成了,你也快来试试吧,点击否停留当前页面,点击是,跳转砍价专区
if(res.data.user_record.flag=='over'){
wx.showModal({
title:"提示",
content:"我已经砍价完成了,你也快来试试吧,点击否停留当前页面",
success:function(r){
if(r.confirm){
wx.redirectTo({
url: '/pages/list/kj/index'
})
}
}
})
}
// 如果状态是砍价失败,提示用户:{发起者昵称}发起的砍价活动已结束,你也快来试试吧,点击否返回商城首页,点击是,跳转砍价专区
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else if(res.data.user_record.flag=='fail' || res.data.user_record.flag=='expired'){
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wx.showModal({
title:"提示",
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content:res.data.user_record.user_name+"发起的砍价活动已结束,你也快来试试吧",
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success:function(r){
if(r.confirm){
wx.redirectTo({
url: '/pages/list/kj/index'
})
}
else {
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wx.switchTab({
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url: '/pages/index/index',
})
}
}
})
}
}
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else if(res.data.user_record.flag=='fail' || res.data.user_record.flag=='expired'){
wx.showModal({
title:"提示",
content:"您未砍价成功,是否原价购买?",
success:function(r){
if(r.confirm){
// 去买
that.gotoDetail({
currentTarget:{
dataset:{
type:"none"
}
}
})
}
}
})
}
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}
})
})
},
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gotoProduct:function(){
productApi._post('product/get_product_detail',{
id:this.data.info.detail.goods_id
}).then(res=>{
util.gotoDetail(res.data);
})
},
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// 如果已经发起活动的话需要倒计时
setTime(){
let info = this.data.info;
let overTime = new Date(info.user_record.over_time.replace(/-/g,'/')).getTime(),now = new Date().getTime();
if(overTime<=now){
info.isOver=true;
}
else {
let t = (overTime - now)/1000;
let h = Math.floor(t/(60*60));
t = t - h * 60*60;
let m = Math.floor(t/60),s=Math.floor(t-m*60);
if(h<10) {
h="0"+h;
}
if(m<10) {
m="0"+m;
}
if(s<10) {
s="0"+s;
}
info.h = h;
info.m = m;
info.s = s;
}
this.setData({
info:info
})
},
// 保存二维码到手机
saveImg:function(){
wx.downloadFile({
url: 'https://resources.jszhwlpt.com/d3c2d106-b893-474f-bf5c-091bd04f247f.jpeg',
success:function(res){
wx.saveImageToPhotosAlbum({
filePath: res.tempFilePath
})
}
})
},
// 隐藏或显示活动规则
showRule:function(){
this.setData({
showRuleFlag:!this.data.showRuleFlag
})
},
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// 分享
share:function(){
if(!this.data.shareImg){
wx.showToast({
title: '图片生成中,稍后再试',
icon:'none'
})
return;
}
this.setData({
showShareFlag:!this.data.showShareFlag
})
},
// 保存
save(){
let url = this.data.shareImg,that = this;
wx.authorize({
/* 这个就是保存相册的 */
scope: 'scope.writePhotosAlbum',
success() {
wx.saveImageToPhotosAlbum({
filePath:url,
success(res) {
wx.showToast({
title: '保存成功',
icon:"success"
})
that.setData({
showShareFlag:!this.data.showShareFlag
})
},
fail(res){
wx.showToast({
title: '保存失败',
icon:'none'
})
}
})
},
complete(res) {
console.log(res);
/* 这里判断一下如果没有授权重新打开设置选项 */
wx.getSetting({
success(res) {
if (!res.authSetting['scope.writePhotosAlbum']) {
/* 打开设置的方法 */
// opensit();
wx.showToast({
title: '请打开权限后再试',
icon:'none'
})
}
}
});
}
});
},
// 绘制海报
drawImg:function(){
var that = this,userinfo = wx.getStorageSync('jstrip_userInfo');
const ctx = wx.createCanvasContext('imageCanvas');
// const device = wx.getSystemInfoSync();
// const ratio = device.screenWidth / 750;
// 先获取到图片信息
let promise2 = new Promise(function(resolve,reject){
wx.getImageInfo({
src:that.data.info.detail.headimg,
success:function(res){
resolve(res);
},
fail:function(res){
reject(res);
}
})
})
let promise3 = new Promise(function(resolve,reject){
let userid = wx.getStorageSync('jstrip_userid')
new QRCode('myQrcode',{
text: 'https://m.cloud.sz-trip.com/BargainFriends?id='+that.data.info.detail.id+'&sharedUserId='+userid+'&channel=-1&originate_id='+that.data.kjId,
width: 500,
height: 500,
padding: 12, // 生成二维码四周自动留边宽度,不传入默认为0
correctLevel: QRCode.CorrectLevel.L, // 二维码可辨识度
callback: (res) => {
resolve(res);
}
})
})
//成功得到图片信息后,开始绘图
Promise.all([promise2,promise3]).then(imgs=>{
ctx.save();
ctx.beginPath(); //开始绘制
that.handleBorderRect(ctx,0,0,551 * ratio,407 * ratio,25 * ratio,'#ccc')
ctx.clip();//画好了圆 剪切 原始画布中剪切任意形状和尺寸。一旦剪切了某个区域,则所有之后的绘图都会被限制在被剪切的区域内 这也是我们要save上下文的原因
ctx.drawImage(imgs[0].path, 0, 0,551 * ratio,407 * ratio);
ctx.restore();
ctx.save();
that.handleBorderRect2(ctx,0,407 * ratio,551 * ratio,236*ratio,25 * ratio,'#fff')
ctx.restore();
// 绘制二维码
ctx.drawImage(imgs[1].path, 373 * ratio, 495 * ratio,137 * ratio, 137 * ratio);
// 开始文字绘制
ctx.setFillStyle("#000");
ctx.setFontSize(30 * ratio); //字大小
ctx.setTextAlign('left'); //是否居中显示,参考点画布中线
that.drawText(ctx,that.data.info.detail.title+that.data.info.detail.sku_name, 25*ratio, 450*ratio,480 * ratio,ratio);
// 售价
ctx.setFillStyle("#D62828");
ctx.setFontSize(40 * ratio); //字大小
ctx.setTextAlign('left'); //是否居中显示,参考点画布中线
let price = "¥0";
let width = ctx.measureText(price).width;
ctx.fillText(price, 25*ratio, 620*ratio);
// 副标题
ctx.setFillStyle("#999999");
ctx.setFontSize(28 * ratio); //字大小
ctx.setTextAlign('left'); //是否居中显示,参考点画布中线
let subtitle = '快来帮我砍一刀吧~'
ctx.fillText(subtitle, 25*ratio, 540*ratio);
// ctx.draw();
// 划线价
ctx.setFillStyle("#999999");
ctx.setFontSize(32 * ratio); //字大小
ctx.setTextAlign('left'); //是否居中显示,参考点画布中线
let market_price = "¥"+(that.data.info.detail.kj_money/100)
ctx.fillText(market_price, 40*ratio + width, 620*ratio);
let market_price_width = ctx.measureText(market_price).width;
// 划线
ctx.beginPath()
ctx.setLineWidth(1)
ctx.moveTo(40*ratio + width, 608*ratio)
ctx.lineTo(45*ratio + width + market_price_width, 608*ratio)
ctx.stroke();
// 长按识别二维码
// ctx.setFillStyle("#666");
// ctx.setFontSize(22 * ratio); //字大小
// ctx.setTextAlign('left'); //是否居中显示,参考点画布中线
// ctx.fillText("长按识别二维码", 404*ratio, 710*ratio);
// 长按图片转发或保存
// ctx.setFillStyle("#000");
// ctx.setFontSize(24 * ratio); //字大小
// ctx.setTextAlign('left'); //是否居中显示,参考点画布中线
// ctx.fillText("长按图片保存到本地",(592*ratio - ctx.measureText("长按图片保存到本地").width)/2, 740*ratio);
ctx.draw();
// 转为图片
setTimeout(()=>{
wx.canvasToTempFilePath({
x: 0,
y: 0,
canvasId: 'imageCanvas',
success: function (res) {
that.setData({
shareImg:res.tempFilePath
})
},
fail(err){
console.log('agdgjgdajhg',err)
}
})
},500)
return false;
}).catch(err=>{
console.log("this err",err)
})
},
// 圆角矩形
handleBorderRect(ctx, x, y, w, h, r, color){
ctx.beginPath();
ctx.moveTo(x+w,y+h);
ctx.lineTo(x,y+h)
// 左上角
ctx.arc(x + r, y + r, r, Math.PI, 1.5 * Math.PI);
ctx.moveTo(x + r, y);
ctx.lineTo(x + w - r, y);
ctx.lineTo(x + w, y + r);
// 右上角
ctx.arc(x + w - r, y + r, r, 1.5 * Math.PI, 2 * Math.PI);
ctx.lineTo(x + w, y + h );
ctx.lineTo(x + w - r, y + h);
ctx.fillStyle = color;
ctx.fill();
ctx.closePath();
},
handleBorderRect2(ctx, x, y, w, h, r, color){
ctx.beginPath();
ctx.moveTo(x,y);
ctx.lineTo(x+w,y)
// 右下角
ctx.arc(x + w - r, y + h - r, r, 0, 0.5 * Math.PI);
ctx.lineTo(x + r, y + h);
ctx.lineTo(x, y + h - r);
// 左下角
ctx.arc(x + r, y + h - r, r, 0.5 * Math.PI, Math.PI);
ctx.lineTo(x, y);
ctx.lineTo(x, y);
ctx.fillStyle = color;
ctx.fill();
ctx.closePath();
},
// 绘制两行文字
drawText: function(ctx, str, x, y, canvasWidth,ratio) {
let row = [],temp="",chr=str.split("");
for (var a = 0; a < chr.length; a++) {
if (ctx.measureText(temp).width < canvasWidth) {
temp += chr[a];
}
else {
a--; //这里添加了a-- 是为了防止字符丢失,效果图中有对比
row.push(temp);
temp = "";
}
}
row.push(temp);
//如果数组长度大于2 则截取前两个
if (row.length > 2) {
var rowCut = row.slice(0, 2);
var rowPart = rowCut[1];
var test = "";
var empty = [];
for (var a = 0; a < rowPart.length; a++) {
if (ctx.measureText(test).width < canvasWidth - 30 * ratio) {
test += rowPart[a];
}
else {
break;
}
}
empty.push(test);
var group = empty[0] + "..."//这里只显示两行,超出的用...表示
rowCut.splice(1, 1, group);
row = rowCut;
}
for (var b = 0; b < row.length; b++) {
ctx.fillText(row[b], x, y + b * 40 * ratio, canvasWidth);
}
},
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/**
* 生命周期函数--监听页面初次渲染完成
*/
onReady: function () {
},
/**
* 生命周期函数--监听页面显示
*/
onShow: function () {
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if(this.data.info && this.data.info.user_record && this.data.info.user_record.id){
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this.setTime();
timer = setInterval(()=>{
this.setTime()
},1000)
}
},
/**
* 生命周期函数--监听页面隐藏
*/
onHide: function () {
clearInterval(timer);
timer = null;
},
// 详情和下单的第一步
gotoDetail:function(e){
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let info = this.data.info.detail || null,type=e?e.currentTarget.dataset.type:null;
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let that = this;
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if(!info) return;
if(type=='fail'){
wx.showModal({
title:"提示",
content:"您未砍价成功,是否原价购买",
confirmColor:"#E14135",
success:function(res){
if(res.confirm){
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that.pushOrderData(null)
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}
}
})
}
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else if(type=='none'){
this.pushOrderData(null)
}
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else {
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this.pushOrderData(this.data.info.user_record.id)
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}
},
// 真实的获取产品信息去下单
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pushOrderData:function(kjId){
app.globalData.kjId = kjId;
app.globalData.couponInfo = null;
util.goKjOrder(this.data.info.detail).then(product=>{
if(this.data.info.detail.type=='post'){
app.globalData.postProduct = product;
wx.navigateTo({
url: '/pages/order/postOrder/index',
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})
}
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else if(this.data.info.detail.type=='ticket' || this.data.info.detail.type=='scene'){
app.globalData.product = product[0];
wx.navigateTo({
url: '/pages/order/scene/index',
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})
}
})
},
// 帮好友砍一刀
kanjia:function(){
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// if(!this.data.isFollow){
// // 未关注需要先关注公众号
// this.setData({
// showShareFlag:true
// })
// return;
// }
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let userInfo = this.data.userInfo,info = this.data.info;
productApi.user_post("activity.haggle/help_bargain",{
originate_id:info.user_record.id
}).then(res=>{
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if(res.code==1){
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wx.showToast({
title: '砍价成功',
icon:'success'
})
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this.onLoad({userid:info.user_record.user_id,id:info.detail.id,originate_id:info.user_record.id})
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}
})
},
// 发起砍价
startKj:function(){
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// if(!this.data.isFollow){
// // 未关注需要先关注公众号
// this.setData({
// showShareFlag:true
// })
// return;
// }
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let info = this.data.info;
let userInfo = this.data.userInfo;
productApi.user_post('activity.haggle/bargain_launch',{
act_id:info.detail.act_id,
id:info.detail.id
}).then(res=>{
if(res.code==1){
wx.showToast({
title: '发起成功',
icon:'success'
})
this.onLoad({id:info.detail.id})
}
})
},
// 喊好友砍一刀
shareHelp:function(){
},
// 我也要参与
join:function(){
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this.onLoad({id:this.data.info.detail.id});
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},
/**
* 生命周期函数--监听页面卸载
*/
onUnload: function () {
},
/**
* 页面相关事件处理函数--监听用户下拉动作
*/
onPullDownRefresh: function () {
},
/**
* 页面上拉触底事件的处理函数
*/
onReachBottom: function () {
},
/**
* 用户点击右上角分享
*/
onShareAppMessage: function () {
let kjId = this.data.kjId,info = this.data.info;
let shareObj = {
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title: kjId?"就差你这一刀了,快来帮帮我~":(info.detail.title+info.detail.sku_name), // 默认是小程序的名称(可以写slogan等)
path: kjId?('/pages/kj/info/index?userid='+info.user_record.user_id+'&id='+info.detail.id+'&originate_id='+kjId):('/pages/kj/info/index?&id='+info.detail.id), // 默认是当前页面,必须是以‘/’开头的完整路径
imageUrl: info.detail.headimg, //自定义图片路径,可以是本地文件路径、代码包文件路径或者网络图片路径,支持PNG及JPG,不传入 imageUrl 则使用默认截图。显示图片长宽比是 5:4
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success: function(res){
// 转发成功之后的回调
if(res.errMsg == 'shareAppMessage:ok'){
wx.showToast({
title: '转发成功,马上就要砍成了~',
})
}
},
fail: function(){
// 转发失败之后的回调
if(res.errMsg == 'shareAppMessage:fail cancel'){
}else if(res.errMsg == 'shareAppMessage:fail'){
// 转发失败,其中 detail message 为详细失败信息
}
    },
};
console.log(shareObj)
return shareObj;
}
})