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@@ -0,0 +1,525 @@
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+<template>
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+ <view class="poster_page">
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+ <mp-swiper :list="list"></mp-swiper>
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+ <!-- <swiper class="poster_swiper" previous-margin="110rpx" circular :current="swiperIndex" next-margin="110rpx" @change="onSwiperChange">
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+ <swiper-item v-for="(item, index) of list" :key="index">
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+ <view class="goods_info_box" :class="{ active: swiperIndex == index }">
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+ <image class="goods_image" :src="item.image" mode="scaleToFill"></image>
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+ </view>
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+ </swiper-item>
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+ </swiper> -->
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+ <!-- <canvas canvas-id="poster" class="poster_canvas"></canvas> -->
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+
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+<!-- <view class="share_save_box">
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+ <view class="push_button" @click="onSaveImg">
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+ <text style="font-size: 28rpx;">保存图片</text>
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+ </view>
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+ </view> -->
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+ </view>
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+</template>
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+<script>
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+// 文字换行
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+function drawtext(text, maxWidth) {
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+ let textArr = text.split("");
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+ let len = textArr.length;
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+ // 上个节点
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+ let previousNode = 0;
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+ // 记录节点宽度
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+ let nodeWidth = 0;
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+ // 文本换行数组
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+ let rowText = [];
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+ // 如果是字母，侧保存长度
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+ let letterWidth = 0;
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+ // 汉字宽度
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+ let chineseWidth = 21;
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+ // otherFont宽度
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+ let otherWidth = 10.5;
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+ for (let i = 0; i < len; i++) {
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+ if (/[\u4e00-\u9fa5]|[\uFE30-\uFFA0]/g.test(textArr[i])) {
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+ if(letterWidth > 0){
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+ if(nodeWidth + chineseWidth + letterWidth * otherWidth > maxWidth){
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+ rowText.push({
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+ type: "text",
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+ content: text.substring(previousNode, i)
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+ });
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+ previousNode = i;
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+ nodeWidth = chineseWidth;
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+ letterWidth = 0;
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+ } else {
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+ nodeWidth += chineseWidth + letterWidth * otherWidth;
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+ letterWidth = 0;
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+ }
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+ } else {
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+ if(nodeWidth + chineseWidth > maxWidth){
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+ rowText.push({
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+ type: "text",
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+ content: text.substring(previousNode, i)
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+ });
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+ previousNode = i;
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+ nodeWidth = chineseWidth;
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+ }else{
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+ nodeWidth += chineseWidth;
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+ }
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+ }
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+ } else {
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+ if(/\n/g.test(textArr[i])){
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+ rowText.push({
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+ type: "break",
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+ content: text.substring(previousNode, i)
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+ });
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+ previousNode = i + 1;
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+ nodeWidth = 0;
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+ letterWidth = 0;
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+ }else if(textArr[i] == "\\" && textArr[i + 1] == "n"){
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+ rowText.push({
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+ type: "break",
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+ content: text.substring(previousNode, i)
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+ });
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+ previousNode = i + 2;
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+ nodeWidth = 0;
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+ letterWidth = 0;
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+ }else if(/[a-zA-Z0-9]/g.test(textArr[i])){
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+ letterWidth += 1;
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+ if(nodeWidth + letterWidth * otherWidth > maxWidth){
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+ rowText.push({
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+ type: "text",
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+ content: text.substring(previousNode, i + 1 - letterWidth)
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+ });
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+ previousNode = i + 1 - letterWidth;
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+ nodeWidth = letterWidth * otherWidth;
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+ letterWidth = 0;
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+ }
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+ } else{
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+ if(nodeWidth + otherWidth > maxWidth){
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+ rowText.push({
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+ type: "text",
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+ content: text.substring(previousNode, i)
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+ });
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+ previousNode = i;
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+ nodeWidth = otherWidth;
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+ }else{
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+ nodeWidth += otherWidth;
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+ }
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+ }
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+ }
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+ }
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+ if (previousNode < len) {
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+ rowText.push({
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+ type: "text",
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+ content: text.substring(previousNode, len)
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+ });
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+ }
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+ return rowText;
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+}
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+let settingWritePhotosAlbum = false;
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+
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+import mpSwiper from "./comps/mp-swiper.vue"
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+export default {
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+ components:{
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+ mpSwiper
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+ },
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+ data() {
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+ return {
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+ type:'',
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+ list:[
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+ {
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+ title:'麻辣烫',
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+ image:'/static/icon/wuliao1.png'
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+ },
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+ {
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+ title:'麻辣烫',
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+ image:'/static/icon/wuliao1.png'
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+ },
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+ {
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+ title:'麻辣烫',
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+ image:'/static/icon/wuliao1.png'
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+ },
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+ {
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+ title:'麻辣烫',
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+ image:'/static/icon/wuliao1.png'
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+ },
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+ {
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+ title:'麻辣烫',
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+ image:'/static/icon/wuliao1.png'
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+ }
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+ ],
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+ cardCur:0,
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+ //平台
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+ platformName: "联兑通",
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+ recommendCodeGoods: "",
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+ //二维码
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+ swiperIndex: 0,
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+ posterImgs: [],
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+ h5SaveImg: ""
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+ };
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+ },
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+ onLoad(options) {
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+
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+ },
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+ computed: {
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+ },
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+ //方法
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+ methods: {
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+ cardSwiper(e){
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+ console.log(e);
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+ },
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+ fetchData1(id){
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+ this.$request.get(myApi.live.page,{params:{size:300,id:id}}).then(res=>{
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+ this.list=[]
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+ res.data.records.forEach(item=>{
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+ let obj={}
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+ obj.headImgs=item.pic
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+ if(item.account>-0.000001&&item.account<0.000001){
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+ obj.goodsPrice="免费观看"
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+ }else{
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+ obj.goodsPrice=item.account
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+ }
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+ obj.goodsName=item.title
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+ obj.id=item.id
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+ this.list.push(obj)
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+ })
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+ this.getAccessToken()
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+ })
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+ },
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+ // 轮播图变化
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+ onSwiperChange(e) {
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+ this.swiperIndex = e.detail.current;
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+ this.getAccessToken()
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+ },
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+ // 创建海报
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+ createPoster() {
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+ return new Promise((resolve, reject) => {
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+ uni.showLoading({
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+ title: '海报生成中'
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+ });
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+ const ctx = uni.createCanvasContext('poster');
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+ ctx.fillRect(0, 0, 375, 673);
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+ ctx.setFillStyle("#FFF");
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+ ctx.fillRect(0, 0, 375, 673);
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+ uni.downloadFile({
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+ url: this.list[this.swiperIndex].headImgs,
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+ success: (res) => {
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+ if (res.statusCode === 200) {
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+ ctx.drawImage(res.tempFilePath, 0, 0, 375, 375);
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+ uni.downloadFile({
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+ url: this.recommendCodeGoods,
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+ success: (res2) => {
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+ if (res.statusCode === 200) {
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+ // 商品标题
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+ ctx.setFontSize(16);
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+ ctx.setFillStyle('#333');
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+ let drawtextList = drawtext(this.list[this.swiperIndex].goodsName, 420);
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+ let textTop = 0;
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+ drawtextList.forEach((item,index) => {
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+ if(index < 2){
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+ textTop = 380 + (index + 1) * 28;
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+ if(index==0){
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+ ctx.fillText(item.content, 22, textTop);
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+ }else{
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+ if(item.content.length>20){
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+ ctx.fillText(item.content+"...", 22, textTop);
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+ }else{
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+ ctx.fillText(item.content, 22, textTop);
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+ }
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+ }
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+ }
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+ });
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+ // 商品价格
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+ ctx.setFontSize(20);
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+ ctx.setFillStyle('#f00');
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+ ctx.fillText(this.list[this.swiperIndex].goodsPrice, 17, textTop + 47);
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+ // 商品分割线
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+ ctx.beginPath();
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+ ctx.setLineWidth(1);
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+ ctx.moveTo(17, textTop + 70);
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+ ctx.lineTo(358, textTop + 70);
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+ ctx.setStrokeStyle('#eee');
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+ ctx.stroke();
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+ // 长按识别二维码访问
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+ ctx.setFontSize(14);
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+ ctx.setFillStyle('#333');
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+ ctx.fillText("扫描二维码访问", 17, textTop + 136);
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+ // 平台名称
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+ ctx.setFontSize(12);
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+ ctx.setFillStyle('#999');
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+ ctx.fillText(this.platformName, 17, textTop + 170);
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+ // 二维码
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+ ctx.drawImage(res2.tempFilePath, 238, textTop + 88, 120, 120);
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+ ctx.draw(true, () => {
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+ // canvas画布转成图片并返回图片地址
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+ uni.canvasToTempFilePath({
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+ canvasId: 'poster',
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+ width: 375,
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+ height: 673,
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+ success: (res) => {
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+ if(this.posterImgs[this.swiperIndex]){
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+ this.posterImgs[this.swiperIndex].temporary = res.tempFilePath;
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+ }else{
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+ this.posterImgs[this.swiperIndex] = {
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+ temporary: res.tempFilePath
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+ };
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+ }
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+ console.log("海报制作成功！");
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+ resolve(res.tempFilePath);
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+ },
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+ fail: () => {
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+ uni.hideLoading();
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+ reject();
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+ }
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+ })
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+ });
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+ } else {
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+ uni.hideLoading();
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+ uni.showToast({
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+ title: '海报制作失败，图片下载失败',
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+ icon: 'none'
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+ });
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+ }
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+ },
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+ fail: err => {
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+ uni.hideLoading();
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+ uni.showToast({
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+ title: '海报制作失败，图片下载失败',
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+ icon: 'none'
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+ });
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+ }
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+ });
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+ } else {
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+ uni.hideLoading();
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+ uni.showToast({
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+ title: '海报制作失败，图片下载失败',
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+ icon: 'none'
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+ });
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+ }
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+ },
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+ fail: err => {
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+ uni.hideLoading();
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+ uni.showToast({
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+ title: '海报制作失败，图片下载失败',
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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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+ // 保存图片
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+ async onSaveImg() {
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+ let imgUrl = "";
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+ if(this.posterImgs[this.swiperIndex] && this.posterImgs[this.swiperIndex].temporary){
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+ imgUrl = await this.posterImgs[this.swiperIndex].temporary;
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+ }else{
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+ imgUrl = await this.createPoster();
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+ }
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+ // #ifdef H5
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+ this.h5SaveImg = imgUrl;
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+ uni.hideLoading();
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+ // #endif
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+ // #ifdef MP-WEIXIN
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+ uni.showLoading({
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+ title: '海报下载中'
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+ });
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+ if (settingWritePhotosAlbum) {
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+ uni.getSetting({
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+ success: res => {
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+ if (res.authSetting['scope.writePhotosAlbum']) {
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+ uni.saveImageToPhotosAlbum({
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+ filePath: imgUrl,
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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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+ complete: () => {
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+ uni.hideLoading();
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+ }
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+ });
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+ } else {
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+ uni.showModal({
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+ title: '提示',
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+ content: '请先在设置页面打开“保存相册”使用权限',
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+ confirmText: '去设置',
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+ cancelText: '算了',
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+ success: data => {
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+ if (data.confirm) {
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+ uni.openSetting();
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+ }
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+ },
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+ complete: () => {
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+ uni.hideLoading();
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+ }
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+ });
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+ }
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+ },
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+ complete: () => {
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+ uni.hideLoading();
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+ }
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+ });
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+ } else {
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+ settingWritePhotosAlbum = true;
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+ uni.authorize({
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+ scope: 'scope.writePhotosAlbum',
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+ success: () => {
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+ uni.saveImageToPhotosAlbum({
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+ filePath: imgUrl,
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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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+ complete: () => {
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+ uni.hideLoading();
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+ }
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+ });
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+ },
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+ complete: () => {
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+ uni.hideLoading();
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+ }
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+ });
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+ }
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+ // #endif
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+ // #ifdef APP-PLUS
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+ uni.showLoading({
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+ title: '海报下载中'
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+ });
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+ uni.saveImageToPhotosAlbum({
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+ filePath: imgUrl,
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+ success: () => {
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+ uni.hideLoading();
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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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+ });
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+ // #endif
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+ }
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+ }
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+};
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+</script>
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+<style lang="scss" scoped>
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+.poster_page {
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+ min-height: 100vh;
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+ background-color: #f5f5f5;
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+}
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+.poster_canvas {
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+ width: 750rpx;
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+ height: 1324rpx;
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+ position: fixed;
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+ top: -10000rpx;
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+ left: 0rpx;
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+}
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+.poster_swiper {
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+ height: 950rpx;
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+ width: 100%;
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+ swiper-item {
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+ box-sizing: border-box;
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+ display: flex;
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+ align-items: center;
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+ .goods_info_box {
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+ width: 100%;
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+ height: 100%;
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+ transform: scale(0.88);
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+ transition: all 0.4s;
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+ position: relative;
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+ overflow: hidden;
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+ background-color: #FFFFFF;
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+ &.active {
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+ transform: scale(1);
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+ }
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+ .goods_image {
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+ width: 100%;
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+ height: calc(100vw - 220rpx);
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+ }
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+ .goods_info {
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+ padding: 24rpx;
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+ .goods_name {
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+ color: #333;
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+ font-size: 30rpx;
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|
|
+ overflow: hidden;
|
|
|
+ text-overflow: ellipsis;
|
|
|
+ display: -webkit-box;
|
|
|
+ -webkit-line-clamp: 2;
|
|
|
+ -webkit-box-orient: vertical;
|
|
|
+ }
|
|
|
+ .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;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+.push_button{
|
|
|
+ position:relative;
|
|
|
+ color:#FFF;
|
|
|
+ display:block;
|
|
|
+ text-decoration:none;
|
|
|
+ margin:0 auto;
|
|
|
+ border-radius:40rpx;
|
|
|
+ text-align:center;
|
|
|
+ padding:12rpx 80rpx;
|
|
|
+ -webkit-transition: all 0.1s;
|
|
|
+ -moz-transition: all 0.1s;
|
|
|
+ transition: all 0.1s;
|
|
|
+
|
|
|
+ background-color: rgba(232, 0, 0,.7);
|
|
|
+ -webkit-box-shadow: 2px 4px 2px rgba(232, 0, 0,.5);
|
|
|
+ -moz-box-shadow: 2px 4px 2px rgba(232, 0, 0,.5);
|
|
|
+ box-shadow: 2px 4px 2px rgba(232, 0, 0,.5);
|
|
|
+}
|
|
|
+.push_button:active{
|
|
|
+ -webkit-box-shadow: 0px 2px 0px rgba(232, 0, 0,.5);
|
|
|
+ -moz-box-shadow: 0px 2px 0px rgba(232, 0, 0,.5);
|
|
|
+ box-shadow: 0px 2px 0px rgba(232, 0, 0,.5);
|
|
|
+ position:relative;
|
|
|
+ top:7px;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+.share_save_box {
|
|
|
+ position: fixed;
|
|
|
+ bottom: calc((100vh - 950rpx - 140rpx) / 4);
|
|
|
+ left: 0;
|
|
|
+ z-index: 6;
|
|
|
+ width: 100%;
|
|
|
+ display: flex;
|
|
|
+}
|
|
|
+</style>
|
|
|
+
|
|
|
+
|
