wx-yunyubang-miniprogram/pages/member/member.vue

<template>
	<view class="content">
		<view class="memberBanner">
			<image mode="widthFix" src="../../static/1_01.jpg"></image>
		</view>
		<view class="memberBanner">
			<image mode="widthFix" src="../../static/1_02.jpg"></image>
		</view>
		<view class="joinBox" @click="open"><button>加入会员</button></view>
		<view class="shareIcon" @click="shareOpen" v-if="user_info.promotion == 1">
			<image src="../../static/share.png"></image>
		</view>
		<uni-popup ref="popup" :mask-click="false" type="bottom" class="popBox">
			<view class="memberPop">
				<image class="i_close" @click="close" src="../../static/details_close@2x.png"></image>
				<view class="title">购会员，享特权</view>
				<view class="cardOuter">
					<view :class="{cur: cardActive == 0, cardCol: true}" @click="cardActive = 0">
						<view>福利卡</view>
						<view class="cardTit">19.9元</view>
					</view>
					<view :class="{cur: cardActive == 1, cardCol: true}" @click="cardActive = 1">
						<view>福利卡</view>
						<view class="cardTit">99元</view>
					</view>
					<view :class="{cur: cardActive == 2, cardCol: true}" @click="cardActive = 2">
						<view>福利卡</view>
						<view class="cardTit">680元</view>
					</view>
				</view>
				<button class="buyNow" @click="goBuy">立即购买</button>
			</view>
		</uni-popup>
		<uni-popup ref="shareCode" :mask-click="true" type="bottom" class="shareBox">
			<view class="codeOuter">
				<view class="shareCon" @click="shareClose">
					<image class="shareBg" mode="widthFix" :src="img"></image>
					<!-- <image class="shareBg" mode="widthFix" src="../../static/bg_haibao@2x.png"></image> -->
					<!-- <image class="code" src="../../static/300_qr.png"></image> -->
				</view>
				<view class="shareBott">
					<button class="shareCol" @click="shareClose" open-type="share" style="border-radius:0">发给朋友</button>
					<view class="shareCol" @click="save">保存相册</view>
				</view>
			</view>
		</uni-popup>
		
		<canvas style="width: 220px; height: 220px;" canvas-id="firstCanvas" id="firstCanvas"></canvas>
	</view>
</template>

<script>
	import {
		weixin
	} from '../../utils/weixin.js';
	export default {
		data() {
			return {
				cardActive: 0,
				img: '',
				user_info: {
					promotion: ''
				},
			}
		},
		onLoad() {
			weixin.getOpenidInfo(info => {
			this.user_info = info
			console.log(this.user_info)
			})
		},
		onShareAppMessage() {
		    return {
		      title: '加入会员',
		      path: '/pages/member/member?promotion_id=' + this.user_info.id,
			  imageUrl: this.img
		    }
		},
		methods: {
			shareOpen() {
				uni.showLoading({
				    title: '加载中'
				});
				uni.request({
					url: this.baseUrl + '/api/member/get-wxa-qrcode',
					method: 'POST',
					data: {
						path: '',
						scene: this.user_info.id
					},
					success: r => {
						if (r.data.status === 1) {
						  let img_qr = r.data.data // 二维码
						  let ctx = uni.createCanvasContext('firstCanvas')
						  // ctx.fillStyle = '#fff';
						  // ctx.fillRect(0, 0, 214, 342);
						  ctx.drawImage('../../static/bg_haibao@2x.png', 0, 0, 220, 220);
						  ctx.drawImage(img_qr, 43, 43, 128, 128);
						  ctx.draw()
						  setTimeout(()=>{
						   uni.canvasToTempFilePath({
							canvasId: 'firstCanvas',
							fileType: 'jpg',
							success: (res) => {
							 uni.hideLoading()
							 this.$refs.shareCode.open()
							 this.img = res.tempFilePath
							},
						   })
						  },100)
						} else {
							this.alert(r.data.msg)
						}
					}
				})
			},
			shareClose() {
				this.$refs.shareCode.close()
			},
			open() {
				this.$refs.popup.open('top')
			},
			close() {
				this.$refs.popup.close()
			},
			goBuy() {
				if (this.checkLogin()) {
					this.$refs.popup.close()
					uni.navigateTo({
						url: "../buyMember/buyMember"
					});
				}
			},
			//保存图片时，h5端不能直接保存，只能通过预览长按保存
			save() {
				let _this = this;
				// #ifdef H5
				uni.previewImage({
				 urls: [_this.img]
				})
				// #endif
				// #ifdef APP-PLUS||MP-WEIXIN
				uni.saveImageToPhotosAlbum({
				 filePath: _this.img,
				 success: function() {
					 _this.$refs.shareCode.close()
					 _this.alert('保存成功')
				 }
				});
				// #endif
			},
		}
	}
</script>
<style>
	page {
		background: #fff;
		padding-bottom: 160rpx;
	}
</style>
<style lang="scss" scoped>
	.content {
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
	}

	.memberBanner {
		display: block;
		width: 100%;

		image {
			display: block;
			width: 100%;
		}
	}

	.joinBox {
		width: 100%;
		padding: 30rpx;
		box-sizing: border-box;
		position: fixed;
		left: 0;
		bottom: 0;
		background: #fff;
		box-shadow: -5rpx 0px 20rpx rgba(0, 0, 0, 0.1);

		button {
			width: 100%;
			height: 100rpx;
			color: #fff;
			font-size: 28rpx;
			text-align: center;
			line-height: 100rpx;
			text-align: center;
			background: #FF578A;
		}
	}

	.popBox {
		background: #fff;
		width: 100%;
	}

	.shareIcon {
		position: fixed;
		width: 136rpx;
		height: 136rpx;
		bottom: 150rpx;
		right: 30rpx;
		z-index: 9;

		image {
			display: block;
			width: 136rpx;
			height: 136rpx;
		}
	}

	.memberPop {
		background: #fff;
		width: 100%;
		position: fixed;
		padding-bottom: 50rpx;
		bottom: 0;
		left: 0;

		.title {
			font-size: 36rpx;
			color: #000;
			text-align: center;
			padding: 25rpx 0;
		}

		.i_close {
			display: block;
			width: 38rpx;
			height: 36rpx;
			position: absolute;
			top: 30rpx;
			right: 30rpx;
		}

		.cardOuter {
			display: flex;
			justify-content: space-between;
			padding: 20rpx;

			.cardCol {
				width: 224rpx;
				height: 156rpx;
				border-radius: 8rpx;
				box-sizing: border-box;
				border: 2rpx solid #F5DFB5;
				font-size: 28rpx;
				color: #999;
				text-align: center;
				line-height: 2;
				display: flex;
				flex-direction: column;
				justify-content: center;
				align-items: center;
				align-content: center;

				.cardTit {
					color: #333;
					font-size: 32rpx;
					font-weight: 700;
				}
			}

			.cardCol.cur {
				border: 2rpx solid #E40280;
				box-shadow: 0 0 15rpx rgba(228, 2, 128, 0.4);
				color: #FF578A;

				.cardTit {
					color: #FF578A;
				}
			}
		}

		.buyNow {
			width: 500rpx;
			height: 80rpx;
			border-radius: 40rpx;
			color: #fff;
			font-size: 30rpx;
			text-align: center;
			line-height: 80rpx;
			text-align: center;
			background: #FF578A;
			margin: 30rpx auto 0 auto;
		}
	}

	.shareBox {
		background: rgba(0, 0, 0, 0.5);
	}

	.codeOuter {
		width: 100%;
		height: 100vh;
		background: rgba(0, 0, 0, 0.5);
		padding-top: 13vh;
		box-sizing: border-box;
		position: relative;
	}

	.shareCon {
		width: 500rpx;
		margin: 0 auto;
		position: relative;

		.code {
			width: 300rpx;
			height: 300rpx;
			display: block;
			position: absolute;
			left: 50%;
			margin-left: -150rpx;
			top: 50%;
			margin-top: -150rpx;
		}
	}

	.shareBott {
		position: fixed;
		bottom: 0;
		left: 0;
		width: 100%;
		display: flex;
		justify-content: flex-start;

		.shareCol {
			width: 50%;
			height: 100rpx;
			text-align: center;
			line-height: 100rpx;
			font-size: 30rpx;
			background: #FF578A;
			color: #fff;
		}

		.shareCol:first-child {
			background: #e8e8e8;
			color: #666;
		}
	}
</style>