mall-uniapp/pages/users/user_spread_code/index.vue

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<template>
<view style="height: 100%;">
<view class='distribution-posters'>
<swiper :indicator-dots="indicatorDots" :autoplay="autoplay" :circular="circular" :interval="interval"
:duration="duration" @change="bindchange" previous-margin="40px" next-margin="40px">
<block v-for="(item,index) in posterUrls" :key="index">
<swiper-item>
<image :src="item.pic" class="slide-image" :class="swiperIndex == index ? 'active' : 'quiet'"
mode='aspectFill' />
</swiper-item>
</block>
</swiper>
<!-- #ifdef MP -->
<view class='keep bg-color' @click='savePosterPath'>保存海报</view>
<!-- #endif -->
<!-- #ifndef MP -->
<div class="preserve acea-row row-center-wrapper">
<div class="line"></div>
<div class="tip">长按保存图片</div>
<div class="line"></div>
</div>
<!-- #endif -->
</view>
<!-- #ifdef MP -->
<!-- <authorize @onLoadFun="onLoadFun" :isAuto="isAuto" :isShowAuth="isShowAuth" @authColse="authColse"></authorize> -->
<!-- #endif -->
<view class="canvas" v-if="canvasStatus">
<canvas style="width:750px;height:1190px;" canvas-id="canvasOne"></canvas>
<canvas canvas-id="qrcode" :style="{width: `${qrcodeSize}px`, height: `${qrcodeSize}px`}" />
</view>
</view>
</template>
<script>
// #ifdef H5
import uQRCode from '@/js_sdk/Sansnn-uQRCode/uqrcode.js'
// #endif
import { toLogin } from '@/libs/login.js';
import { mapGetters } from "vuex";
// #ifdef MP
import { base64src } from '@/utils/base64src.js'
import { getQrcode } from '@/api/api.js';
// #endif
import home from '@/components/home';
import * as TradeConfigApi from '@/api/trade/config.js';
export default {
components: {
home
},
data() {
return {
imgUrls: [],
indicatorDots: false,
circular: false,
autoplay: false,
interval: 3000,
duration: 500,
swiperIndex: 0,
posterUrls: [],
poster: '',
qrcodeSize: 1000,
PromotionCode: '',
base64List: [],
canvasStatus: true //海报绘图标签
};
},
computed: mapGetters(['isLogin', 'uid', 'userInfo']),
watch: {
isLogin: {
handler: function(newV, oldV) {
if (newV) {
this.userSpreadBannerList();
}
},
deep: true
}
},
onLoad() {
if (!this.isLogin) {
toLogin();
return;
}
this.userSpreadBannerList();
},
/**
* 用户点击右上角分享
*/
// #ifdef MP
onShareAppMessage: function() {
return {
title: this.userInfo.nickname + '-分销海报',
imageUrl: this.posterUrls[0].pic,
path: '/pages/index/index?spid=' + this.uid,
};
},
// #endif
onReady() {},
methods: {
userSpreadBannerList: function() {
let that = this;
uni.showLoading({
title: '获取中',
mask: true,
})
TradeConfigApi.getTradeConfig().then(res => {
uni.hideLoading();
const posterUrls = [];
// TODO @芋艿:这里后续可以优化下;直接使用 brokeragePosterUrls 数组,而不是要搞 pic 元素
if (res.data.brokeragePosterUrls) {
res.data.brokeragePosterUrls.forEach(item => {
posterUrls.push({
pic: item
})
})
}
that.$set(that, 'posterUrls', posterUrls);
that.getImageBase64(posterUrls);
}).catch(err => {
uni.hideLoading();
});
},
getImageBase64: function(images) {
uni.showLoading({
title: '海报生成中',
mask: true
});
let that = this;
// #ifdef H5
let posterUrls = []
// 生成一个Promise对象的数组
images.forEach(item => {
posterUrls.push(item.pic)
})
Promise.all(posterUrls).then(result => {
that.$set(that, 'base64List', result);
that.make();
that.setShareInfoStatus();
})
// #endif
// #ifdef MP
that.base64List = images.map(item => {
return item.pic
});
// #endif
// #ifdef MP
that.getQrcode();
// #endif
},
// 小程序二维码
getQrcode() {
let that = this;
let data = {
pid: that.uid,
path: 'pages/index/index'
}
let arrImagesUrl = "";
uni.downloadFile({
url: this.base64List[0],
success: (res) => {
arrImagesUrl = res.tempFilePath;
}
});
getQrcode(data).then(res => {
base64src(res.data.code, res => {
that.PromotionCode = res;
});
setTimeout(() => {
that.PosterCanvas(arrImagesUrl, that.PromotionCode, that.userInfo.nickname, 0);
}, 300);
}).catch(err => {
uni.hideLoading();
that.$util.Tips({
title: err
});
that.$set(that, 'canvasStatus', false);
});
},
// 生成二维码;
make() {
let that = this;
let href = '';
// #ifdef H5
href = window.location.href.split('/pages')[0];
// #endif
uQRCode.make({
canvasId: 'qrcode',
text: href + '/pages/index/index?spread=' + that.uid,
size: this.qrcodeSize,
margin: 10,
success: res => {
that.PromotionCode = res;
setTimeout(() => {
that.PosterCanvas(this.base64List[0], that.PromotionCode, that.userInfo
.nickname, 0);
}, 300);
},
complete: (res) => {},
fail: res => {
uni.hideLoading();
that.$util.Tips({
title: '海报二维码生成失败!'
});
}
})
},
PosterCanvas: function(arrImages, code, nickname, index) {
let context = uni.createCanvasContext('canvasOne')
context.clearRect(0, 0, 0, 0);
let that = this;
uni.getImageInfo({
src: arrImages,
success: function(res) {
context.drawImage(arrImages, 0, 0, 750, 1190);
context.save();
context.drawImage(code, 110, 925, 140, 140);
context.restore();
context.setFontSize(28);
context.fillText(nickname, 270, 980);
context.fillText('邀请您加入', 270, 1020);
setTimeout(() => {
context.draw(true, function() {
uni.canvasToTempFilePath({
destWidth: 750,
destHeight: 1190,
canvasId: 'canvasOne',
fileType: 'jpg',
success: function(res) {
// 在H5平台下tempFilePath 为 base64
uni.hideLoading();
that.posterUrls[index].pic = res
.tempFilePath;
that.$set(that, 'poster', res
.tempFilePath);
that.$set(that, 'canvasStatus', false);
}
})
})
}, 100);
},
fail: function(err) {
uni.hideLoading();
that.$util.Tips({
title: '无法获取图片信息'
});
}
});
},
onLoadFun: function(e) {
this.$set(this, 'userInfo', e);
this.userSpreadBannerList();
},
// 授权关闭
authColse: function(e) {
this.isShowAuth = e
},
bindchange(e) {
let base64List = this.base64List;
let index = e.detail.current;
this.swiperIndex = index;
let arrImagesUrl = "";
uni.downloadFile({
url: base64List[index],
success: (res) => {
arrImagesUrl = res.tempFilePath;
setTimeout(() => {
this.$set(this, 'canvasStatus', true);
this.PosterCanvas(arrImagesUrl, this.PromotionCode, this.userInfo.nickname,
index);
}, 300);
}
});
},
// 点击保存海报
savePosterPath: function() {
let that = this;
uni.getSetting({
success(res) {
if (!res.authSetting['scope.writePhotosAlbum']) {
uni.authorize({
scope: 'scope.writePhotosAlbum',
success() {
uni.saveImageToPhotosAlbum({
filePath: that.poster,
success: function(res) {
that.$util.Tips({
title: '保存成功',
icon: 'success'
});
},
fail: function(res) {
that.$util.Tips({
title: '保存失败'
});
}
});
}
});
} else {
uni.saveImageToPhotosAlbum({
filePath: that.poster,
success: function(res) {
that.$util.Tips({
title: '保存成功',
icon: 'success'
});
},
fail: function(res) {
that.$util.Tips({
title: '保存失败'
});
}
});
}
}
});
},
setShareInfoStatus: function() {
if (this.$wechat.isWeixin()) {
let configAppMessage = {
desc: '分销海报',
title: this.userInfo.nickname + '-分销海报',
link: '/pages/index/index?spread=' + this.uid,
imgUrl: this.posterUrls[0].pic
};
this.$wechat.wechatEvevt(["updateAppMessageShareData", "updateTimelineShareData"],
configAppMessage)
}
}
}
}
</script>
<style lang="scss" scoped>
page {
background-color: #a3a3a3 !important;
height: 100% !important;
}
.canvas {
position: relative;
}
.distribution-posters {
width: 100%;
height: 100%;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
}
.distribution-posters swiper {
width: 100%;
height: 1000rpx;
position: relative;
margin-top: 40rpx;
}
.distribution-posters .slide-image {
width: 100%;
height: 100%;
margin: 0 auto;
border-radius: 15rpx;
}
.distribution-posters .slide-image.active {
transform: none;
transition: all 0.2s ease-in 0s;
}
.distribution-posters .slide-image.quiet {
transform: scale(0.8333333);
transition: all 0.2s ease-in 0s;
}
.distribution-posters .keep {
font-size: 30rpx;
color: #fff;
width: 600rpx;
height: 80rpx;
border-radius: 50rpx;
text-align: center;
line-height: 80rpx;
margin: 38rpx auto;
}
.distribution-posters .preserve {
color: #fff;
text-align: center;
margin-top: 38rpx;
}
.distribution-posters .preserve .line {
width: 100rpx;
height: 1px;
background-color: #fff;
}
.distribution-posters .preserve .tip {
margin: 0 30rpx;
}
</style>