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

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2020-08-13 08:12:57 +00:00
<template>
<view>
<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 spreadList" :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">
<canvas style="width:750px;height:1190px;" canvas-id="canvasOne"></canvas>
<canvas style="" 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 {
getUserInfo,
spreadBanner
} from '@/api/user.js';
import {
toLogin
} from '@/libs/login.js';
import {
mapGetters
} from "vuex";
// #ifdef MP
import authorize from '@/components/Authorize';
import {
getQrcode
} from '@/api/api.js';
// #endif
import home from '@/components/home';
import {
imageBase64
} from "@/api/public";
export default {
components: {
// #ifdef MP
authorize,
// #endif
home
},
data() {
return {
imgUrls: [],
indicatorDots: false,
circular: false,
autoplay: false,
interval: 3000,
duration: 500,
swiperIndex: 0,
spreadList: [],
userInfo: {},
poster: '',
isAuto: false, //没有授权的不会自动授权
isShowAuth: false, //是否隐藏授权
imagePath: '',
qrcodeSize: 1000,
PromotionCode: '',
base64List: []
};
},
computed: mapGetters(['isLogin']),
onLoad() {
if (this.isLogin) {
// #ifdef H5
this.userSpreadBannerList();
// #endif
} else {
// #ifdef H5 || APP-PLUS
toLogin();
// #endif
// #ifdef MP
this.isAuto = true;
this.$set(this, 'isShowAuth', true)
// #endif
}
},
/**
* 用户点击右上角分享
*/
// #ifdef MP
onShareAppMessage: function() {
return {
title: this.userInfo.nickname + '-分销海报',
imageUrl: this.spreadList[0].pic,
path: '/pages/index/index?spid=' + this.userInfo.uid,
};
},
// #endif
onReady() {
},
methods: {
getImageBase64:function(images){
uni.showLoading({
title: '海报生成中',
mask: true
});
let that = this;
let spreadList = [];
images.forEach((item,index)=>{
imageBase64({url:item.pic}).then(res=>{
spreadList[index] = res.data.code;
that.$set(that,'base64List',spreadList);
that.$set(that, 'poster', spreadList[0]);
that.userInfos();
})
})
},
// 小程序二维码
getQrcode(){
let that = this;
let data = {
pid: that.userInfo.uid,
path: '/pages/index/index'
}
getQrcode(data).then(res=>{
that.PromotionCode = res.data.code;
// let image = '../../../static/images/aa.jpg';
// that.PosterCanvas(image, res.data.code, that.userInfo.nickname,0);
that.PosterCanvas(this.base64List[0], res.data.code, that.userInfo.nickname,0);
})
},
// 生成二维码;
make() {
let that = this;
let href = location.href.split('/pages')[0];
uQRCode.make({
canvasId: 'qrcode',
text: href+'/pages/index/index?spread=' + that.userInfo.uid,
size: this.qrcodeSize,
margin: 10,
success: res => {
that.PromotionCode = res;
// let image = '../../../static/images/aa.jpg';
// that.PosterCanvas(image, that.PromotionCode, that.userInfo.nickname,0);
that.PosterCanvas(this.base64List[0], that.PromotionCode, that.userInfo.nickname,0);
},
complete: () => {},
fail: res => {
that.$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(image) {
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);
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.imagePath = res.tempFilePath;
that.spreadList[index].pic = res.tempFilePath;
}
})
})
},
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;
this.$set(this, 'poster', base64List[index]);
this.PosterCanvas(base64List[index], this.PromotionCode, this.userInfo.nickname,index);
// let aa = ['../../../static/images/aa.jpg','../../../static/images/aa.jpg','../../../static/images/aa.jpg'];
// this.PosterCanvas(aa[index], this.PromotionCode, this.userInfo.nickname,index);
},
// 点击保存海报
savePosterPath: function() {
let that = this;
uni.downloadFile({
url: that.poster,
success(resFile) {
if (resFile.statusCode === 200) {
uni.getSetting({
success(res) {
if (!res.authSetting['scope.writePhotosAlbum']) {
uni.authorize({
scope: 'scope.writePhotosAlbum',
success() {
uni.saveImageToPhotosAlbum({
filePath: resFile.tempFilePath,
success: function(res) {
return that.$util.Tips({
title: '保存成功'
});
},
fail: function(res) {
return that.$util.Tips({
title: res
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});
},
complete: function(res) {},
})
},
fail() {
uni.showModal({
title: '您已拒绝获取相册权限',
content: '是否进入权限管理,调整授权?',
success(res) {
if (res.confirm) {
uni.openSetting({
success: function(res) {
console.log(res.authSetting)
}
});
} else if (res.cancel) {
return that.$util.Tips({
title: '已取消!'
});
}
}
})
}
})
} else {
uni.saveImageToPhotosAlbum({
filePath: resFile.tempFilePath,
success: function(res) {
return that.$util.Tips({
title: '保存成功'
});
},
fail: function(res) {
return that.$util.Tips({
title: res
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});
},
complete: function(res) {},
})
}
},
fail(res) {
}
})
} else {
return that.$util.Tips({
title: resFile
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});
}
},
fail(res) {
return that.$util.Tips({
title: res
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});
}
})
},
userInfos() {
let that = this;
getUserInfo().then(res => {
that.userInfo = res.data;
// #ifdef H5
that.make();
that.setShareInfoStatus();
// #endif
// #ifdef MP
that.getQrcode();
// #endif
})
},
setShareInfoStatus: function() {
if (this.$wechat.isWeixin()) {
let configAppMessage = {
desc: '分销海报',
title: this.userInfo.nickname + '-分销海报',
link: '/pages/index/index?spread=' + this.userInfo.uid,
imgUrl: this.spreadList[0].pic
};
this.$wechat.wechatEvevt(["updateAppMessageShareData", "updateTimelineShareData"], configAppMessage)
}
},
userSpreadBannerList: function() {
let that = this;
uni.showLoading({
title: '获取中',
mask: true,
})
spreadBanner({
page: 1,
limit: 5
}).then(res => {
uni.hideLoading();
that.$set(that, 'spreadList', res.data);
that.getImageBase64(res.data);
}).catch(err => {
uni.hideLoading();
});
}
}
}
</script>
<style lang="scss">
page {
background-color: #a3a3a3 !important;
}
.canvas canvas{
position: fixed;
z-index: -5rpx;
opacity: 0;
}
.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>