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@@ -0,0 +1,372 @@
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+<template>
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+ <view class="box">
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+ <view style="padding-top: 100rpx;">
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+ <canvas canvas-id="mini_poster" style="width: 600rpx;height: 817rpx;margin-left: 73rpx;"></canvas><!-- :style="{ width: canvasW + 'px', height: canvasH + 'px' }" -->
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+ </view>
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+ <view style="height: 106rpx;"></view>
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+ <!-- <view class="footer">
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+ <view style="height: 106rpx; align-items: center; background-color: #333333;">
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+ <button style="background: transparent; height: 106rpx; line-height: 106rpx;" @tap="toSaveImage">保存名片</button>
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+ </view>
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+ </view> -->
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+ <view class="downloadBtn" @click="toSaveImage">保存图片</view>
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+ </view>
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+</template>
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+
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+<script>
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+ export default {
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+ data() {
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+ return {
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+ mpWxQr: "http://dmsphoto.66km.com.cn/marketing/F520E658D4A649B88DF210EA41432A01.png",
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+ canvasW: 0,
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+ canvasH: 0,
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+ invest_areas: [{id: 1, name: "儿童教育"}, {id: 1, name: "少儿编程"}, {id: 1, name: "生物智能"}, {id: 1, name: "万物相连"}, {id: 1, name: "大数据"}],
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+ nickname: "",
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+ avatar: "",
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+ company: "",
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+ phone: "17610998099",
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+ email: "redoume@163.com",
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+ time: "2022.01.21～2022.01.2",
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+ finished: false,
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+ sellingPoint:'',
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+ }
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+ },
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+ computed: {
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+ showInvestAreas() {
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+ if (this.invest_areas) {
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+ const names = []
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+ this.invest_areas.forEach(item => {
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+ names.push(item.name)
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+ })
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+ return names.join(" ")
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+ }
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+ return '未设置'
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+ }
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+ },
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+ onLoad(opt) {
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+ //this.canvasW = uni.getSystemInfoSync().windowWidth
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+ //this.canvasH = this.calculateCanvasHeight()
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+ this.avatar=opt.img;
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+ this.nickname=opt.name;
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+ if(opt.sellingPoint){
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+ this.sellingPoint=opt.sellingPoint;
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+ }
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+
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+ console.log(this.sellingPoint)
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+ if(this.nickname.length>18){
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+ this.nickname=this.nickname.substring(0,18)+'...'
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+ }
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+ this.canvasW =uni.upx2px(600)
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+ this.canvasH = uni.upx2px(827)
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+ this.toDrawCanvas()
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+ },
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+ methods: {
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+ toSaveImage() {
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+ if (!this.finished) {
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+ uni.showToast({
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+ title: '正在生成图片，稍后再试',
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+ icon: 'none'
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+ })
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+ return
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+ }
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+ const that = this
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+ uni.canvasToTempFilePath({
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+ canvasId: 'mini_poster',
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+ success: (res) => {
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+ uni.saveImageToPhotosAlbum({
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+ filePath: res.tempFilePath,
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+ success: () => {
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+ uni.showToast({
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+ title: '保存成功'
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+ })
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+ },
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+ fail() {
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+ uni.showToast({
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+ icon: 'none',
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+ title: '保存名片码失败'
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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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+ uni.showToast({
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+ icon: 'none',
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+ title: '保存名片码失败'
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+ })
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+ }
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+ })
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+ },
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+ async toDrawCanvas() {
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+ const padding = uni.upx2px(34)
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+ const cardHeight = uni.upx2px(380)
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+ const cw = this.canvasW - 2 * padding
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+
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+ let ctx = uni.createCanvasContext('mini_poster', this)
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+
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+ // 透明背景
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+ // ctx.setFillStyle('rgba(255, 255, 255, 0)')
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+ ctx.setFillStyle('#FFFFFF')
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+ ctx.fillRect(0, 0, this.canvasW, this.canvasH)
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+ // draw card round rect
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+ const r = uni.upx2px(12)
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+ this.drawRoundRect(ctx, padding, padding, cw, cardHeight, r, 2)
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+ // draw card content
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+ this.drawCard(ctx, padding, padding, cw, cardHeight)
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+ // draw avatar
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+ const av = uni.upx2px(540)
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+ const topimgh = uni.upx2px(317)
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+ //console.log(av)
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+ //console.log(topimgh)
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+ const hi = await this.downloadImage(this.avatar)
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+ if (hi.tempFilePath) {
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+ const x = uni.upx2px(30)
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+ const y = uni.upx2px(30)
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+ this.drawRoundRectAvatar(ctx, x, y, av, topimgh, r, hi.tempFilePath)
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+
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+ }
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+ // draw hello info
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+ //this.drawHelloInfo(ctx, padding, padding + cardHeight + padding, cw)
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+ // draw qr code
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+ if (this.mpWxQr) {
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+
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+ const hello = await this.downloadImage(this.mpWxQr)
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+ //const padding = uni.upx2px(34)
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+ //const av = uni.upx2px(180)
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+ //const totalH = this.calculateCanvasHeight()
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+ //console.log("totalH=="+totalH)
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+ console.log(hello.tempFilePath)
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+ var wxsx=uni.upx2px(68)
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+ var wxsy=uni.upx2px(649)
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+ var wxwidth=uni.upx2px(148)
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+ if (hello.tempFilePath) {
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+ ctx.drawImage(hello.tempFilePath, wxsx, wxsy, wxwidth,wxwidth)
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+ }
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+ }
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+ ctx.draw()
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+ this.finished = true
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+ },
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+ async drawCard(ctx, x, y, w, h) {
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+ // draw company
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+ //let vp = y + uni.upx2px(45)
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+ //const hp = x + uni.upx2px(52)
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+ let vp = uni.upx2px(400)
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+ const hp = uni.upx2px(52)
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+ ctx.setTextBaseline('center')
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+ const fz30 = uni.upx2px(32)
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+ ctx.fillStyle = '#212121'
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+ ctx.setFontSize(fz30)
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+ ctx.fillText(this.nickname, hp, vp)
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+ var timeX=hp;
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+ var timeY=vp+30
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+
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+ const fz26 = uni.upx2px(26)
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+ ctx.setFillStyle('#3C3C3C')
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+ ctx.setFontSize(fz26)
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+ ctx.fillText(this.time, timeX, timeY)
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+ var sm=this.sellingPoint
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+ ctx.setFillStyle('#999999')
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+ ctx.setFontSize(fz26)
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+ var smy=timeY+20
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+ var maxwidth = uni.upx2px(550)
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+ if(sm.length>20){
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+ var sm1=sm.substring(0,20)
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+ ctx.fillText(sm1, timeX, smy)
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+ if(sm.length>40){
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+ var sm2=sm.substring(20,40)
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+ ctx.fillText(sm2, timeX, smy+20)
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+ var sm3=sm.substring(40,60)
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+ ctx.fillText(sm3, timeX, smy+40)
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+ }else{
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+ var sm2=sm.substring(20,40)
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+ ctx.fillText(sm2, timeX, smy+20)
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+ }
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+ }else{
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+ ctx.fillText(sm, timeX, smy)
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+ }
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+
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+
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+ var wemtis1='名额有限 先到先得'
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+ var wemtisx=uni.upx2px(240)
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+ var wemtisy=uni.upx2px(700)
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+ ctx.setFillStyle('#999999')
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+ const fz24 = uni.upx2px(24)
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+ ctx.setFontSize(fz24)
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+ ctx.fillText(wemtis1,wemtisx,wemtisy)
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+ var wemtis2='长按二维码识别参与活动'
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+ var wemtisy2=wemtisy+30
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+ ctx.fillText(wemtis2,wemtisx,wemtisy2)
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+ // draw nickname
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+ vp = vp + 30
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+
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+
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+
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+ vp = vp + 42
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+ const iconW = uni.upx2px(30)
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+ const textH = hp + iconW + 6
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+
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+ ctx.setFillStyle('#333333')
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+ ctx.setFontSize(fz30)
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+
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+
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+ vp = vp + 28
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+
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+ ctx.setFillStyle('#333333')
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+ ctx.setFontSize(fz30)
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+ // ctx.fillText(this.showInvestAreas, textH, vp)
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+ const oPadding = uni.upx2px(34)
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+ const iPadding = uni.upx2px(40)
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+ const textW = w - textH + oPadding - iPadding
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+ //this.drawTextInOneLine(ctx, this.showInvestAreas, textH, vp, textW)
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+
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+ vp = vp + 28
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+
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+ ctx.setFillStyle('#333333')
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+ ctx.setFontSize(fz30)
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+ //ctx.fillText(this.phone ? this.phone : '', textH, vp)
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+ },
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+ async drawHelloInfo(ctx, x, y, w) {
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+ let vp = y + 12
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+ const hp = x
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+ ctx.setTextBaseline('top')
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+ const fz30 = uni.upx2px(30)
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+ ctx.setFillStyle('#333333')
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+ ctx.setFontSize(fz30)
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+ ctx.fillText('您好，', hp, vp)
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+ const text = "我是来自 " + this.company + ' 的投资人' + this.nickname
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+ const lines = this.drawTextInLines(ctx, text, hp, vp, w, 26)
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+ vp += 26 * lines + 26
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+ ctx.fillText('这是我的名片，请惠存。', hp, vp)
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+ vp += 26
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+ ctx.fillText('谢谢', hp, vp)
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+
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+ vp += 26
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+ vp += 40
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+ ctx.setFillStyle('#F37231')
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+ ctx.fillRect(hp, vp, 20, 3)
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+ vp += 7
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+ ctx.setFillStyle('#333333')
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+ const fz28 = uni.upx2px(28)
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+ ctx.setFontSize(fz28)
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+ ctx.fillText('长按识别二维码', hp, vp)
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+ vp += 20
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+ const ttt = '在大天使中查看我的更多信息'
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+ ctx.fillText(ttt, hp, vp)
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+ },
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+ calculateCanvasHeight() {
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+ // 400 is card height
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+ const ctx = uni.createCanvasContext('test_poster')
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+ const padding = uni.upx2px(34)
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+ const text = "我是来自 " + this.company + ' 的投资人' + this.nickname
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+ const rows = this.drawTextInLines(ctx, text, padding, 0, this.canvasW - 2 * padding, 26)
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+ const cardH = uni.upx2px(380)
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+ const h = padding * 2 + cardH + padding + 12 + 26 * 3 + rows * 26
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+ return h + 90
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+ },
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+ _drawRoundRect(ctx, x, y, w, h, r) {
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+ ctx.beginPath()
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+ // 左上角
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+ ctx.arc(x + r, y + r, r, Math.PI, Math.PI * 1.5)
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+ // 右上角
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+ ctx.arc(x + w - r, y + r, r, Math.PI * 1.5, Math.PI * 2)
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+ // 右下角
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+ ctx.arc(x + w - r, y + h - r, r, 0, Math.PI * 0.5)
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+ // 左下角
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+ ctx.arc(x + r, y + h - r, r, Math.PI * 0.5, Math.PI)
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+ ctx.closePath()
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+ // ctx.strokeStyle = '#D8D8D8';
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+ ctx.fillStyle = '#FFFFFF';
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+ // ctx.stroke()
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+ ctx.fill()
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+ },
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+ drawRoundRect(ctx, x, y, w, h, r, lineWidth) {
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+ ctx.save()
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+ //this._drawRoundRect(ctx, x, y, w, h, r)
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+ ctx.clip()
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+ // draw left border
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+ ctx.fillStyle = '#EEEEEE'
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+ var y=uni.upx2px(619)
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+ var bWidth=uni.upx2px(600)
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+ ctx.fillRect(0, y, bWidth, 2)
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+ ctx.restore()
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+ },
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+ drawRoundRectAvatar(ctx, x, y, w, h, r, imgPath) {
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+ ctx.save()
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+ this._drawRoundRect(ctx, x, y, w, h, r)
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+ ctx.clip()
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+ ctx.drawImage(imgPath, x, y, w, h)
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+ ctx.restore()
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+ },
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+ // TODO: measureText not works in App
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+ drawTextInLines(ctx, t, x, y, w, lineHeight) {
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+ const chr = t.split("")
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+ let temp = ''
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+ let row = []
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+ for (let i = 0; i < chr.length; i++) {
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+ if (ctx.measureText(temp).width < w) {
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+ //
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+ } else {
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+ row.push(temp)
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+ temp = ''
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+ }
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+ temp += chr[i]
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+ }
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+ row.push(temp)
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+ for (const i in row) {
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+ // i + 1 will be 11, 21,...
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+ ctx.fillText(row[i], x, (y + (i * 1 + 1) * lineHeight))
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+ }
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+ return row.length
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+ },
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+ // TODO: measureText not works in app
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+ drawTextInOneLine(ctx, t, x, y, w) {
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+ const chr = t.split('')
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+ let temp = ''
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+ for (let i = 0; i < chr.length; i++) {
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+ if (ctx.measureText(temp + '...').width <= w) {
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+ temp += chr[i]
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+ } else {
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+ temp = temp.substring(0, temp.length - 1)
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+ temp += '...'
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+ break
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+ }
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+ }
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+ ctx.fillText(temp, x, y)
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+ },
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+ downloadImage(url) {
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+ return new Promise((resolve, reject) => {
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+ uni.downloadFile({
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+ url: url,
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+ success: (res) => {
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+ return resolve(res)
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+ },
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+ fail: (err) => {
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+ return reject(err)
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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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+</script>
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+
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+<style scoped>
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+ .box{
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+ width: 100%;
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+ height: 100vh;
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+ background: url('http://dmsphoto.66km.com.cn/thFiles/83BDAB66-DD76-4F3A-92B3-F6AF0BA57A9E.png');
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+ background-size: 100% 100%;
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+ }
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+ .downloadBtn{
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+ width: 329rpx;
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+ height: 92rpx;
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+ background: url('http://dmsphoto.66km.com.cn/thFiles/A0CF4704-69A8-4DAC-8943-75F98D1349DD.png');
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+ background-size: 100% 100%;
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+ line-height: 92rpx;
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+ text-align: center;
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+ font-size: 28rpx;
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+ font-family: PingFangSC-Medium, PingFang SC;
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+ font-weight: 500;
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+ color: #DC490A;
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+ margin: 0 auto;
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+ }
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+</style>
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guo