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- <template name="share">
- <view class="poster_page">
- <nav-bar title="海报"></nav-bar>
- <canvas canvas-id="poster" class="poster_canvas"></canvas>
- <swiper class="poster_swiper" previous-margin="110rpx" circular :current="swiperIndex" next-margin="110rpx" @change="onSwiperChange">
- <swiper-item v-for="(item, index) of dataInfo.headImgs" :key="index">
- <view class="goods_info_box" :class="{ active: swiperIndex == index }">
- <image class="goods_image" :src="item" mode="aspectFit"></image>
- <view class="goods_info">
- <view class="goods_name">{{dataInfo.goodsRecommendShare.goodsName}}</view>
- <view class="price_box">
- <view class="price">{{dataInfo.goodsRecommendShare.goodsPrice}}</view>
- <view class="store_price">{{dataInfo.priceShop}}</view>
- </view>
- <view class="poster_info">
- <view class="info">
- <view>长按识别二维码访问</view>
- <text>{{platformName}}</text>
- </view>
- <image class="poster_code_image" :src="dataInfo.goodsRecommendShare.recommendCodeGoods" mode="aspectFit"></image>
- </view>
- </view>
- </view>
- </swiper-item>
- </swiper>
- <view class="share_save_box">
-
- <button open-type="share">
- <image src="@/static/demo/ic_pic.png" mode="aspectFit"></image>
- <text>发给好友</text>
- </button>
-
-
- <button @click="onAppShare">
- <image src="@/static/demo/ic_pic.png" mode="aspectFit"></image>
- <text>发给好友</text>
- </button>
-
- <button class="onSave" @click="onSaveImg">
- <image src="@/static/demo/ic_weixin.png" mode="aspectFit"></image>
- <text>保存图片</text>
- </button>
- </view>
-
- <view class="h5_press_save" v-if="h5SaveImg" @click="h5SaveImg = ''">
- <image :src="h5SaveImg" mode="widthFix"></image>
- <button class="download">长按图片保存图片</button>
- </view>
-
- </view>
- </template>
- <script>
- import { mapState, mapMutations } from 'vuex';
- function drawtext(text, maxWidth) {
- let textArr = text.split("");
- let len = textArr.length;
-
- let previousNode = 0;
-
- let nodeWidth = 0;
-
- let rowText = [];
-
- let letterWidth = 0;
-
- let chineseWidth = 21;
-
- let otherWidth = 10.5;
- for (let i = 0; i < len; i++) {
- if (/[\u4e00-\u9fa5]|[\uFE30-\uFFA0]/g.test(textArr[i])) {
- if(letterWidth > 0){
- if(nodeWidth + chineseWidth + letterWidth * otherWidth > maxWidth){
- rowText.push({
- type: "text",
- content: text.substring(previousNode, i)
- });
- previousNode = i;
- nodeWidth = chineseWidth;
- letterWidth = 0;
- } else {
- nodeWidth += chineseWidth + letterWidth * otherWidth;
- letterWidth = 0;
- }
- } else {
- if(nodeWidth + chineseWidth > maxWidth){
- rowText.push({
- type: "text",
- content: text.substring(previousNode, i)
- });
- previousNode = i;
- nodeWidth = chineseWidth;
- }else{
- nodeWidth += chineseWidth;
- }
- }
- } else {
- if(/\n/g.test(textArr[i])){
- rowText.push({
- type: "break",
- content: text.substring(previousNode, i)
- });
- previousNode = i + 1;
- nodeWidth = 0;
- letterWidth = 0;
- }else if(textArr[i] == "\\" && textArr[i + 1] == "n"){
- rowText.push({
- type: "break",
- content: text.substring(previousNode, i)
- });
- previousNode = i + 2;
- nodeWidth = 0;
- letterWidth = 0;
- }else if(/[a-zA-Z0-9]/g.test(textArr[i])){
- letterWidth += 1;
- if(nodeWidth + letterWidth * otherWidth > maxWidth){
- rowText.push({
- type: "text",
- content: text.substring(previousNode, i + 1 - letterWidth)
- });
- previousNode = i + 1 - letterWidth;
- nodeWidth = letterWidth * otherWidth;
- letterWidth = 0;
- }
- } else{
- if(nodeWidth + otherWidth > maxWidth){
- rowText.push({
- type: "text",
- content: text.substring(previousNode, i)
- });
- previousNode = i;
- nodeWidth = otherWidth;
- }else{
- nodeWidth += otherWidth;
- }
- }
- }
- }
- if (previousNode < len) {
- rowText.push({
- type: "text",
- content: text.substring(previousNode, len)
- });
- }
- return rowText;
- }
- let settingWritePhotosAlbum = false;
- export default {
- data() {
- return {
- swiperIndex: 0,
- posterImgs: [],
- dataInfo: {
- priceShop: "¥699.0",
- headImgs: [
- "http://qn.kemean.cn/file/upload/202005/21/1590043402088i2jxb79n.jpg?imageView2/0/w/800",
- "http://qn.kemean.cn/file/upload/202005/21/1590043404759qml3zmlm.jpg?imageView2/0/w/800",
- "http://qn.kemean.cn/file/upload/202005/21/1590043407501c6o63bmi.jpg?imageView2/0/w/800",
- "http://qn.kemean.cn/file/upload/202005/21/1590043410966jwbtkyw1.jpg?imageView2/0/w/800",
- "http://qn.kemean.cn/file/upload/202005/21/1590043413622bnysmgy9.jpg?imageView2/0/w/800"
- ],
- goodsRecommendShare: {
- goodsImg: "https://qn.kemean.cn/file/upload/202005/21/1590043402088i2jxb79n.jpg?imageView2/0/w/800",
- goodsName: "冰希黎巴黎红精粹沙龙香水50ml",
- goodsPrice: "¥699.0",
- mainLogo: "https://qn.kemean.cn//file/upload/202005/22/1590138818080cmvg4qnl.png",
- recommendCodeGoods: "https://qn.kemean.cn/upload/202007/03/9c6a38df800e46bbba6aede3d84c3427"
- },
- share: {
- shareContent: "商家云系统,点击了解",
- shareImg: "http://qn.kemean.cn/file/upload/202005/21/1590043402088i2jxb79n.jpg?imageView2/0/w/800",
- shareTitle: "冰希黎巴黎红精粹沙龙香水50ml",
- shareUrl: "http://kemean.com/download/3jiayunbz/index.htmlpages/mall/shopPage/goodsDetail?objId=18111505&recommendCode=32029043"
- }
- },
- platformName: "",
- h5SaveImg: ""
- };
- },
-
- onLoad(e) {
- this.platformName = this.$base.platformName;
- if (e.objId) {
- this.objId = e.objId;
- }
- },
- computed: {
- ...mapState(["userInfo"])
- },
-
- methods: {
-
- onSwiperChange(e) {
- this.swiperIndex = e.detail.current;
- },
-
- createPoster() {
- return new Promise((resolve, reject) => {
- uni.showLoading({
- title: '海报生成中'
- });
- const ctx = uni.createCanvasContext('poster');
- ctx.fillRect(0, 0, 375, 673);
- ctx.setFillStyle("#FFF");
- ctx.fillRect(0, 0, 375, 673);
- uni.downloadFile({
- url: this.dataInfo.headImgs[this.swiperIndex],
- success: (res) => {
- if (res.statusCode === 200) {
- ctx.drawImage(res.tempFilePath, 0, 0, 375, 375);
- uni.downloadFile({
- url: this.dataInfo.goodsRecommendShare.recommendCodeGoods,
- success: (res2) => {
- if (res.statusCode === 200) {
-
- ctx.setFontSize(21);
- ctx.setFillStyle('#333');
- let drawtextList = drawtext(this.dataInfo.goodsRecommendShare.goodsName, 341);
- let textTop = 0;
- drawtextList.forEach((item,index) => {
- if(index < 2){
- textTop = 380 + (index + 1) * 28;
- ctx.fillText(item.content, 17, textTop);
- }
- });
-
- ctx.setFontSize(26);
- ctx.setFillStyle('#f00');
- ctx.fillText(this.dataInfo.goodsRecommendShare.goodsPrice, 17, textTop + 47);
-
- ctx.setFontSize(18);
- ctx.setFillStyle('#999');
- let textLeft = 38 + (this.dataInfo.goodsRecommendShare.goodsPrice.length * 13)
- ctx.fillText(this.dataInfo.priceShop, textLeft, textTop + 45);
-
- ctx.beginPath();
- ctx.setLineWidth(1);
- ctx.moveTo(textLeft - 1, textTop + 38);
- ctx.lineTo((textLeft + 5 + this.dataInfo.priceShop.length * 9), textTop + 38);
- ctx.setStrokeStyle('#999');
- ctx.stroke();
-
- ctx.beginPath();
- ctx.setLineWidth(1);
- ctx.moveTo(17, textTop + 70);
- ctx.lineTo(358, textTop + 70);
- ctx.setStrokeStyle('#eee');
- ctx.stroke();
-
- ctx.setFontSize(19);
- ctx.setFillStyle('#333');
- ctx.fillText("长按识别二维码访问", 17, textTop + 136);
-
- ctx.setFontSize(16);
- ctx.setFillStyle('#999');
- ctx.fillText(this.platformName, 17, textTop + 170);
-
- ctx.drawImage(res2.tempFilePath, 238, textTop + 88, 120, 120);
- ctx.draw(true, () => {
-
- uni.canvasToTempFilePath({
- canvasId: 'poster',
- width: 375,
- height: 673,
- success: (res) => {
- if(this.posterImgs[this.swiperIndex]){
- this.posterImgs[this.swiperIndex].temporary = res.tempFilePath;
- }else{
- this.posterImgs[this.swiperIndex] = {
- temporary: res.tempFilePath
- };
- }
- console.log("海报制作成功!");
- resolve(res.tempFilePath);
- },
- fail: () => {
- uni.hideLoading();
- reject();
- }
- })
- });
- } else {
- uni.hideLoading();
- uni.showToast({
- title: '海报制作失败,图片下载失败',
- icon: 'none'
- });
- }
- },
- fail: err => {
- uni.hideLoading();
- uni.showToast({
- title: '海报制作失败,图片下载失败',
- icon: 'none'
- });
- }
- });
- } else {
- uni.hideLoading();
- uni.showToast({
- title: '海报制作失败,图片下载失败',
- icon: 'none'
- });
- }
- },
- fail: err => {
- uni.hideLoading();
- uni.showToast({
- title: '海报制作失败,图片下载失败',
- icon: 'none'
- });
- }
- });
- });
- },
-
- async onSaveImg() {
- let imgUrl = "";
- if(this.posterImgs[this.swiperIndex] && this.posterImgs[this.swiperIndex].temporary){
- imgUrl = await this.posterImgs[this.swiperIndex].temporary;
- }else{
- imgUrl = await this.createPoster();
- }
-
- this.h5SaveImg = imgUrl;
- uni.hideLoading();
-
-
- uni.showLoading({
- title: '海报下载中'
- });
- if (settingWritePhotosAlbum) {
- uni.getSetting({
- success: res => {
- if (res.authSetting['scope.writePhotosAlbum']) {
- uni.saveImageToPhotosAlbum({
- filePath: imgUrl,
- success: () => {
- uni.hideLoading();
- uni.showToast({
- title: '保存成功'
- });
- }
- });
- } else {
- uni.showModal({
- title: '提示',
- content: '请先在设置页面打开“保存相册”使用权限',
- confirmText: '去设置',
- cancelText: '算了',
- success: data => {
- if (data.confirm) {
- uni.hideLoading();
- uni.openSetting();
- }
- }
- });
- }
- }
- });
- } else {
- settingWritePhotosAlbum = true;
- uni.authorize({
- scope: 'scope.writePhotosAlbum',
- success: () => {
- uni.saveImageToPhotosAlbum({
- filePath: imgUrl,
- success: () => {
- uni.hideLoading();
- uni.showToast({
- title: '保存成功'
- });
- }
- });
- }
- });
- }
-
-
- uni.showLoading({
- title: '海报下载中'
- });
- uni.saveImageToPhotosAlbum({
- filePath: imgUrl,
- success: () => {
- uni.hideLoading();
- uni.showToast({
- title: '保存成功'
- });
- }
- });
-
- },
- async onAppShare() {
-
-
-
-
-
-
-
-
-
-
-
-
- uni.share({
- provider: 'weixin',
- scene: 'WXSceneSession',
- type: 0,
- title: this.dataInfo.share.shareTitle,
- href: this.dataInfo.share.shareUrl,
- summary: this.dataInfo.share.shareContent,
- imageUrl: this.dataInfo.share.shareImg,
- success: function(res) {
- console.log('success:' + JSON.stringify(res));
- },
- fail: function(err) {
- console.log('fail:' + JSON.stringify(err));
- }
- });
- }
- },
-
- onHide() {},
-
- onUnload() {},
-
- onPullDownRefresh() {},
-
- onReachBottom() {},
-
- onShareAppMessage(e) {
- let dataInfo = this.dataInfo;
- let shareInfo = {
- path: "/pages/home/shop/goodsDetail?objId="+dataInfo.objId,
- title: dataInfo.share.shareTitle,
- imageUrl: dataInfo.share.shareImg
- };
- if(this.userInfo.token){
- shareInfo.path += "&recommendCode=" + this.userInfo.uid;
- }
- console.log(shareInfo);
- return shareInfo;
- }
- };
- </script>
- <style lang="scss" scoped>
- .poster_page {
- min-height: 100vh;
- background-color: #f5f5f5;
- display: flex;
- align-items: center;
- }
- .poster_canvas {
- width: 750rpx;
- height: 1334rpx;
- position: fixed;
- top: -10000rpx;
- left: 0rpx;
- }
- .poster_swiper {
- height: 950rpx;
- width: 100%;
- swiper-item {
- box-sizing: border-box;
- display: flex;
- align-items: center;
- .goods_info_box {
- width: 100%;
- height: 100%;
- transform: scale(0.88);
- transition: all 0.4s;
- position: relative;
- overflow: hidden;
- background-color: #FFFFFF;
- &.active {
- transform: scale(1);
- }
- .goods_image {
- width: 100%;
- height: calc(100vw - 220rpx);
- }
- .goods_info {
- padding: 24rpx;
- .goods_name {
- color: #333;
- font-size: 30rpx;
-
- }
- .price_box {
- margin-top: 24rpx;
- display: flex;
- align-items: center;
- .price {
- font-size: 38rpx;
- color: red;
- }
- .store_price {
- margin-left: 30rpx;
- font-size: 26rpx;
- color: #999;
- text-decoration: line-through;
- }
- }
- .poster_info {
- border-top: 2rpx solid #f1f1f1;
- padding-top: 24rpx;
- margin-top: 24rpx;
- display: flex;
- align-items: center;
- justify-content: space-between;
- .info {
- display: flex;
- flex-direction: column;
- view {
- color: #333;
- font-size: 28rpx;
- }
- text {
- color: #999;
- font-size: 24rpx;
- margin-top: 20rpx;
- }
- }
- .poster_code_image {
- width: 170rpx;
- height: 170rpx;
- flex-shrink: 0;
- }
- }
- }
- }
- }
- }
- .share_save_box {
- position: fixed;
- bottom: calc((100vh - 950rpx - 240rpx) / 4);
- left: 0;
- z-index: 6;
- width: 100%;
- display: flex;
- justify-content: space-around;
- button {
- display: flex;
- flex-direction: column;
- align-items: center;
- background-color: transparent;
- image {
- width: 60rpx;
- height: 60rpx;
- }
- text {
- font-size: 24rpx;
- color: #333333;
- }
- }
- }
- .h5_press_save {
- background-color: #000;
- position: fixed;
- top: 0;
- left: 0;
- width: 100%;
- height: 100%;
- display: flex;
- align-items: center;
- z-index: 100;
- image {
- width: 100%;
- }
- .download {
- font-size: 24rpx;
- color: #ffffff;
- background-color: rgba(0,0,0,0.5);
- display: flex;
- align-items: center;
- flex-direction: row;
- justify-content: center;
- position: absolute;
- padding: 5rpx 30rpx;
- border-radius: 40rpx;
- bottom: 30rpx;
- left: 50%;
- transform: translateX(-50%);
- &:before {
- content: '';
- width: 24rpx;
- height: 24rpx;
- margin-right: 15rpx;
- }
- }
- }
- </style>
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