// component/shar-dialog/shar-dialog.js import httpRequestApi from '../../utils/APIClient'; Component({ /** * 组件的属性列表 */ properties: { shareType: { type: 'String', value: '' }, shareId: { type: 'String', value: '' } }, /** * 组件的初始数据 */ data: { shareFlag: false, imgUrls: '', avatar: '', author: '', iconImg: '', title: '', path: '', QRCodeImagePath: '', QRCodeImageLocalPath: '', groupPurchaseInfo: {}, groupType: '', animationData: {}, touchMove: true }, /** * 组件的方法列表 */ methods: { touchMove: function () { return false }, poster: function () { const that = this; const ctx = wx.createCanvasContext('myCanvas'); // 先画背景 this.drawBg(ctx) .then(() => { // 下载保存图片 console.log('背景画完'); return this.saveImg(ctx); }) .then(() => { // 画头像和作者||发起者 console.log('头像画完'); return this.drawAuthor(ctx); }) .then(() => { console.log(this.data.shareType) if (this.data.shareType === 'works') { // 分享作品的主题内容 console.log('主题画完'); return this.drawWorksGut(ctx) } else { return this.drawGroupGut(ctx) } }) .then(() => { wx.getImageInfo({ src: this.data.QRCodeImagePath, //服务器返回的图片地址 success: function (res) { //res.path是网络图片的本地地址 ctx.drawImage(res.path, 35, 353, 90, 90); ctx.draw(true, function (res) { setTimeout(() => { wx.canvasToTempFilePath({ x: 0, y: 0, width: 300, height: 525, // destWidth: 370, destWidth: 1200, // destHeight: 507, destHeight: 2100, canvasId: 'myCanvas', success: (res) => { console.log(res.tempFilePath) that.setData({ imgUrls: res.tempFilePath }, () => { wx.hideLoading(); }) }, fail: (res) => { console.log(res) } }) }, 200) }) }, fail: function (res) { //失败回调 console.log(res) } }); }) }, share: function (data) { console.log(data) if (this.data.shareType === 'works') { this.setData({ shareFlag: !this.data.shareFlag, avatar: data.avatar, author: data.author, iconImg: data.iconImg, title: data.title, productId: data.productId, // path: data.path, QRData: { page: data.path, scene: data.scene, qrCodeId: this.data.shareId } }) } if (this.data.shareType === 'group') { console.log(data) console.log('团购分享') this.setData({ shareFlag: !this.data.shareFlag, avatar: data.avatar, author: data.author, iconImg: data.iconImg, title: data.title, // path: data.path, QRData: { page: data.path, scene: data.scene, qrCodeId: this.data.shareId }, groupPurchaseInfo: data.groupPurchaseInfo, groupType: data.groupType }) } this.poster(); if (this.data.shareType === 'class') { console.log('课程分享') this.setData({ shareFlag: !this.data.shareFlag }) } // 动画测试 this.animation = wx.createAnimation({ duration: 700, timingFunction: 'ease', }) this.animation.bottom(0).step(); this.setData({ animationData: this.animation.export() }) // 动画测试 }, //关闭弹框 close: function (e) { this.animation = wx.createAnimation({ duration: 400, timingFunction: 'ease', }) this.animation.bottom(-300).step(); this.setData({ animationData: this.animation.export() }, () => { setTimeout(() => { this.setData({ shareFlag: !this.data.shareFlag, imgUrls: '' }) this.triggerEvent('ShareDialogClose', {}) }, 200) }) }, nothing: function (e) { return }, // 保存图片到本地 saveImg: function () { console.log('yibuububu') let download = new Promise((resolve, reject) => { let QRCode = () => { // 生成二维码并下载 httpRequestApi.createQRCode(this.data.QRData).success(res => { console.log(this.data.QRData); this.setData({ QRCodeImagePath: res.data.data }) // wx.downloadFile({ // url: res, // success: (res) => { // console.log(res) // console.log('下载二维码成功') // // this.setData({ // // avatar: res.tempFilePath // // }, () => { // // }) // } // }); resolve(); }) } let downAvatar = () => { wx.downloadFile({ url: this.data.avatar, success: (res) => { console.log('下载头像成功') console.log(this.data.avatar) this.setData({ avatar: res.tempFilePath }, () => { QRCode(); }) } }); } // resolve(()=>{ // 下载icon wx.downloadFile({ url: this.data.iconImg, success: (res) => { console.log('下载icon成功') console.log(this.data.iconImg) this.setData({ iconImg: res.tempFilePath }, () => { // 下载头像 downAvatar(); }) } }); }) return download; }, // 先画出背景 drawBg: function (ctx) { let background = new Promise((resolve, reject) => { wx.showLoading({ title: '海报生成中', // mask: true }) if (this.data.shareType === 'works') { ctx.drawImage('../../../static/image/works_poster.jpg', 0, 0, 1200, 2100, 0, 0, 600, 1050); //插入图片 } else { ctx.drawImage('../../../static/image/group_poster.jpg', 0, 0, 1200, 2100, 0, 0, 600, 1050); //插入图片 } ctx.save() ctx.beginPath() ctx.fill() ctx.setFontSize(25) ctx.setFillStyle('#fff') ctx.fillText('课文朗读 每天5分钟', (300 - ctx.measureText('课文朗读 每天5分钟').width) / 2, 54.5) ctx.setFontSize(16) ctx.fillText('大声朗读是语感形成的必走之路', (300 - ctx.measureText('大声朗读是语感形成的必走之路').width) / 2, 75.5) ctx.setFontSize(15) ctx.setFillStyle('#838383') ctx.fillText('长按识别二维码', 130.5, 391) ctx.setFontSize(12) ctx.setFillStyle('#838383') ctx.fillText('接收邀请,获得你的课程吧', 130.5, 409.5) resolve(); }); return background; }, // 画头像和作者||发起者 drawAuthor: function (ctx) { let author = new Promise((resolve, reject) => { if (this.data.shareType === 'works') { ctx.arc(150, 160, 36, 0, 2 * Math.PI, true) ctx.clip(); //剪切头像区域 ctx.drawImage(this.data.avatar, 116, 126, 68, 68); ctx.arc(150, 160, 34, 0, 2 * Math.PI, false) ctx.setFillStyle('#ff6f42') ctx.fill(); ctx.clip(); //剪切头像区域 ctx.restore(); //恢复之前保存的绘图上下文 恢复之前保存的绘图上下午即状态 可以继续绘制 ctx.restore(); //恢复之前保存的绘图上下文 恢复之前保存的绘图上下午即状态 可以继续绘制 ctx.setFontSize(15) ctx.setFillStyle('#ff6f42') ctx.fillText(this.data.author, (300 - ctx.measureText(this.data.author).width) / 2, 220) ctx.setFillStyle('#434343') ctx.fillText('播音主持特长生', (300 - ctx.measureText('播音主持特长生').width) / 2, 243) } else { ctx.arc(64, 146, 29, 0, 2 * Math.PI, true) ctx.clip(); //剪切头像区域 ctx.drawImage(this.data.avatar, 37, 119, 54, 54); ctx.arc(64, 146, 27, 0, 2 * Math.PI, false) ctx.setFillStyle('#ff6f42') ctx.fill(); ctx.clip(); //剪切头像区域 //插入图片 ctx.restore(); //恢复之前保存的绘图上下文 恢复之前保存的绘图上下午即状态 可以继续绘制 ctx.setFontSize(18) ctx.setFillStyle('#ff6f42') ctx.fillText(this.data.author, 100, 143.5) ctx.setFontSize(16) ctx.setFillStyle('#434343') ctx.fillText('邀您和我一起大声朗读', 100, 167.5) } resolve(); }) return author; }, // 分享作品的主题内容 drawWorksGut: function (ctx) { let works = new Promise((resolve, reject) => { // resolve(() => { console.log('开始画内容') ctx.setFontSize(15) ctx.setFillStyle('#434343') ctx.fillText('使出洪荒之力,声情并茂地朗诵了', (300 - ctx.measureText('使出洪荒之力,声情并茂地朗诵了').width) / 2, 262) ctx.fillText(`《${this.data.title}》`, (300 - ctx.measureText(`《${this.data.title}》`).width) / 2, 284) resolve(); }) return works; }, // 分享团购的主体内容 drawGroupGut: function (ctx) { let group = new Promise((resolve, reject) => { ctx.drawImage(this.data.iconImg, 27, 194, 247, 103.5); ctx.setFontSize(15) ctx.setFillStyle('#434343') ctx.fillText('朗朗读书声,是世界上最美妙的声音', (300 - ctx.measureText('朗朗读书声,是世界上最美妙的声音').width) / 2, 327.5) resolve(); }) return group; }, // 保存最终图片 PreservationImg: function () { // this.getImgAuthorize() wx.saveImageToPhotosAlbum({ filePath: this.data.imgUrls, success: (res) => { console.log(res) const data = {}; console.log('productId', this.data.productId) // 团购分享记录 if (this.data.shareType === 'group') { data.shareTypeEnum = 'POSTER'; data.shareContentEnum = 'GROUP'; data.productId = this.data.groupPurchaseInfo.productId; } // 朗读分享记录 if (this.data.shareType === 'works') { data.shareTypeEnum = 'POSTER'; data.shareContentEnum = 'READ'; data.productId = this.data.productId; } httpRequestApi.shareRecord(data).success((res) => { console.log(res) }) this.setData({ imgUrls: false }) }, fail: res => { wx.getSetting({ success(res) { if (!res.authSetting['scope.writePhotosAlbum']) { // wx.showToast({ // title: '无权限操作', // icon: 'fail', // duration: 800 // }) wx.showModal({ title: '无法保存分享图片到相册', content: '点击右上角浮点按钮->进入关于->点击右上角按钮->设置,进行授权', confirmText: '我知道了', showCancel: false, success(res) { console.log('用户点击确定') } }) } } }) } }) }, shareFriend: function () { this.triggerEvent('customevent', {}) } }, onShareAppMessage: (res) => { if (res.from === 'button') { // 来自页面内转发按钮 console.log(res.target) } return { title: this.data.title, path: this.data.path } }, })