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@@ -1,71 +1,90 @@
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/*
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* 手太欠
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* 愿这世界都如故事里一样 美好而动人~
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*/
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Page({
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/**
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* 页面的初始数据
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*/
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data: {
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barHeight : getApp().globalData.barHeight, // 状态栏高度
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shareSee : false, //分享弹出
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inviteText : '', //邀请码
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inviteCode : '', //二维码
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//海报
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canvas : ''
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nameInfo: '', // 用户名
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invite : '', // 邀请码
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qrcode : '', // 二维码
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posters : [], // 海报数组
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current : 0, // 选项卡下标
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},
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/**
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* 生命周期函数--监听页面加载
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*/
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onLoad(options) {
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// 初始化画布
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wx.createSelectorQuery().select('#coverCanvas').fields({node: true, size: true}).exec(canvasNode => {
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const canvas = canvasNode[0].node
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canvas.width = 375
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canvas.height = 800
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this.setData({
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canvas
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})
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})
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},
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/**
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* 生命周期函数--监听页面显示
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*/
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onShow() {
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// 获取信息
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this.inviteInfo();
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onLoad() {
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let miniShareFun = wx.$api.user.poster({ type: '2' })
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// wx.$api.user.poster({ url: 'pages/mall/index' }).then(res => {
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// console.log(res.data)
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// this.setData({
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// nameInfo : res.data.name,
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// posters : res.data.posters,
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// qrcode : res.data.qrcode
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// })
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// })
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// 小程序码
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this.ShareInfo();
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},
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wx.showLoading({
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title: '加载中...',
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mask : true
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})
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/**
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* 获取信息
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*/
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inviteInfo() {
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wx.$api.user.invitesCode().then(res => {
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Promise.all([miniShareFun]).then(res => {
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let miniShareData = res[0].data
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this.setData({
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inviteText : res.data.invite
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posters : miniShareData.posters,
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qrcode : miniShareData.qrcode,
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invite : miniShareData.invite,
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current : 0
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})
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}).catch(err => {})
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// wx.getImageInfo({
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// src : miniShareData.qrcode,
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// success : qrcodePath => {
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// this.setData({
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// qrcode : qrcodePath.path,
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// posters : miniShareData.posters,
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// nameName : miniShareData.name,
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// current: 0
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// })
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// }
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// })
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wx.hideLoading()
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})
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},
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swiperChange(e) {
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let index = e.detail.current
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this.setData({
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current: index
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})
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},
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/**
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* 小程序码
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* 检查授权信息
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*/
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ShareInfo() {
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wx.$api.user.miniShare({
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url: '/pages/index/index'
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}).then(res => {
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this.setData({
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inviteCode: res.data.qrcode
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})
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}).catch(err => {})
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onCheckSetting(){
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wx.getSetting({
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success: res => {
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if(res.authSetting['scope.writePhotosAlbum'] || res.authSetting['scope.writePhotosAlbum'] === undefined){
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this.onCanvas()
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return
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}
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wx.showModal({
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title : '提示',
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content : '暂未授权小程序写入您的相册，无法存储海报',
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confirmColor: '#144592',
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confirmText : '去设置',
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success: res => {
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if (res.confirm) {
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wx.openSetting()
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}
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}
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})
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}
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})
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},
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/**
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@@ -73,113 +92,99 @@ Page({
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*/
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onCanvas(){
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wx.showLoading({
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title: '生成图片中...',
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title: '加载中...',
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mask : true
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})
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const canvas = this.data.canvas
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const ctx = canvas.getContext('2d')
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const codeImgEl = canvas.createImage()
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const backBackEl = canvas.createImage()
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wx.getImageInfo({
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src: this.data.posters[this.data.current].cover,
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success: imgInfo => {
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wx.hideLoading()
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wx.showLoading({
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title : '生成海报中...',
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mask : true
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})
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let posterSrc = imgInfo.path
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let posterW = this.data.posters[this.data.current].width
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let posterH = this.data.posters[this.data.current].height
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let posterY = this.data.posters[this.data.current].position.y
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let posterX = this.data.posters[this.data.current].position.x
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let qrcodeSize = this.data.posters[this.data.current].position.size
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let qrcodeSrc = this.data.qrcode
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codeImgEl.src = this.data.inviteCode //二维码
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backBackEl.src = 'https://cdn.shuiganying.com/images/2023/03/31/30a1fde15c33efce2c182ef5fb7073fd.jpg' //背景素材
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const codeImgLoding = new Promise((resolve, reason) => {
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codeImgEl.onload = () => {
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resolve()
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}
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})
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const backBackLoding = new Promise((resolve, reason) => {
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backBackEl.onload = () => {
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resolve()
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}
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})
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Promise.all([codeImgLoding, backBackLoding]).then(() => {
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ctx.drawImage(backBackEl, 0, 0, 375, 800)
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// 绘制[二维码-白色背景]
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ctx.fillStyle = "#ffffff";
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ctx.fillRect(30, 400, 130, 130);
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wx.createSelectorQuery().select('#canvas').fields({ node: true, size: true }).exec(res => {
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const canvas = res[0].node;
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const ctx = canvas.getContext("2d");
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const img = canvas.createImage()
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const code = canvas.createImage()
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const dpr = wx.getSystemInfoSync().pixelRatio
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// 绘制[二维码-白色背景黑框]
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ctx.strokeStyle = "#0e2c58";
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ctx.lineWidth = 2
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ctx.strokeRect(29, 399, 132, 132);
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// 设置画布
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canvas.width = posterW * dpr
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canvas.height = posterH * dpr
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ctx.scale(dpr, dpr)
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// 清理画布
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ctx.clearRect(0, 0, canvas.width, canvas.height)
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// 绘制背景
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img.src = posterSrc
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img.onload = () => {
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ctx.drawImage(img, 0, 0, posterW, posterH)
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// 绘制图片二维码
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code.src = qrcodeSrc
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code.onload = () => {
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ctx.arc( posterX + qrcodeSize/2, posterY + qrcodeSize/2, qrcodeSize/2 + 5, 0, 2 * Math.PI );
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ctx.fillStyle = "#ffffff";
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ctx.fill();
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ctx.drawImage(code, posterX, posterY, qrcodeSize, qrcodeSize)
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// 绘制[二维码]
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ctx.drawImage(codeImgEl, 40, 410, 110, 110)
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// 文字
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ctx.font = "bold 14px Arial"; //字体大小
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ctx.fillStyle = "#0e2c58"; //字体颜色
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ctx.textAlign = "center"
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ctx.fillText('扫描二维码了解更多', 96, 560);
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wx.hideLoading()
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wx.canvasToTempFilePath({
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canvas: this.data.canvas,
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success : res => {
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wx.saveImageToPhotosAlbum({
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filePath: res.tempFilePath,
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success: saveRes => {
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wx.showToast({
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title: '海报已保存至您的相册',
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icon : 'none'
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})
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this.setData({
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shareSee: false
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})
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},
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fail: () => {
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wx.hideLoading()
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wx.showModal({
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title: '提示',
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content: '暂未授权小程序写入您的相册，无法存储海报',
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confirmColor: '#e50d01',
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confirmText: '去设置',
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success: res => {
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if (res.confirm) {
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wx.openSetting()
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}
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// 保存海报
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wx.canvasToTempFilePath({
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canvas : canvas,
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width : canvas.width,
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height : canvas.height,
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destWidth : canvas.width,
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destHeight : canvas.height,
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quality : 1,
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success : paths => {
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wx.saveImageToPhotosAlbum({
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filePath: paths.tempFilePath,
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success: res => {
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wx.showToast({
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title : '海报已保存',
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})
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}
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})
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},
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fail: () => {
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wx.hideLoading()
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wx.showModal({
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title: '提示',
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content: '暂未授权小程序写入您的相册，无法存储海报',
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confirmColor: '#e50d01',
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confirmText: '去设置',
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success: res => {
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if (res.confirm) {
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wx.openSetting()
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}
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}
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})
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}
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})
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}
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})
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},
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})
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}).catch(err => {
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wx.showToast({
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title: '图片加载失败',
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icon : 'none'
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})
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}
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})
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}
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})
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},
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/**
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* 分享弹出
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*/
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shareTap() {
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this.setData({
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shareSee: !this.data.shareSee
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})
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},
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// 返回上一页
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returnGo() {
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wx.navigateBack({
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delta: 1
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})
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},
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/**
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/**
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* 微信分享
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*/
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onShareAppMessage(){
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this.setData({
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shareSee: false
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})
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return {
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title : '水感应修复、紧致、舒缓喷雾',
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path : "/pages/index/index?invite=" + wx.getStorageSync("invite"),
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imageUrl: "https://cdn.shuiganying.com/images/2023/04/04/9cd9968136e7efd85028fba69e4c587a.jpg"
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title : '锶源昆仑',
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path : "/pages/index/index?invite=" + this.data.invite,
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imageUrl: "http://cdn.siyuankunlun.com/materials/2022/09/14/code.jpg"
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}
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}
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})
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