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app/pages/activity/poster-poster/index.vue

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+<template>
+	<view>
+		<view class='poster-poster'>
+			<view class='tip'><text class='iconfont icon-shuoming'></text>提示：点击图片即可保存至手机相册 </view>
+			<view class='pictrue'>
+				<image :src='image' mode="widthFix"></image>
+			</view>
+		</view>
+	</view>
+</template>
+
+<script>
+	import { getBargainPoster, getCombinationPoster } from '../../../api/activity.js';
+	export default {
+		data() {
+			return {
+				parameter: {
+					'navbar': '1',
+					'return': '1',
+					'title': '拼团海报',
+					'color': true,
+					'class': '0'
+				},
+				type: 0,
+				id: 0,
+				image: '',
+				from:''
+			}
+		},
+		onLoad(options) {
+			// #ifdef MP
+			this.from = 'routine'
+			// #endif
+			// #ifdef H5
+			this.from = 'wechat'
+			// #endif
+			var that = this;
+			if (options.hasOwnProperty('type') && options.hasOwnProperty('id')) {
+				this.type = options.type
+				this.id = options.id
+				if (options.type == 1) {
+					uni.setNavigationBarTitle({
+						title: '砍价海报'
+					})
+				} else {
+					uni.setNavigationBarTitle({
+						title: '拼团海报'
+					})
+				}
+			} else {
+				return app.Tips({
+					title: '参数错误',
+					icon: 'none'
+				}, {
+					tab: 3,
+					url: 1
+				});
+			}
+		},
+		onShow() {
+			this.getPosterInfo();
+		},
+		methods: {
+			getPosterInfo: function() {
+				var that = this,url = '';
+				let data = {
+					id: that.id,
+					'from': that.from
+				};
+				if (that.type == 1) {
+					getBargainPoster({
+						bargainId: that.id,
+						'from': that.from
+					}).then(res => {
+							that.image = res.data.url
+					}).catch(err => {
+						console.log(err)
+					})
+				} else {
+					getCombinationPoster(data).then(res => {
+						that.image = res.data.url
+					}).catch(err => {
+						
+					})
+				}
+			},
+			showImage: function() {
+				var that = this;
+				let imgArr = this.image.split(',')
+				uni.previewImage({
+						urls: imgArr,
+						longPressActions: {
+								itemList: ['发送给朋友', '保存图片', '收藏'],
+								success: function(data) {
+										console.log('选中了第' + (data.tapIndex + 1) + '个按钮,第' + (data.index + 1) + '张图片');
+								},
+								fail: function(err) {
+										console.log(err.errMsg);
+								}
+						}
+				});
+			},
+		}
+	}
+</script>
+
+<style>
+	page {
+		background-color: #d22516 !important;
+	}
+
+	.poster-poster .tip {
+		height: 80rpx;
+		font-size: 26rpx;
+		color: #e8c787;
+		text-align: center;
+		line-height: 80rpx;
+	}
+
+	.poster-poster .tip .iconfont {
+		font-size: 36rpx;
+		vertical-align: -4rpx;
+		margin-right: 18rpx;
+	}
+
+	.poster-poster .pictrue {
+		width: 690rpx;
+		height: 100%;
+		margin: 0 auto 50rpx auto;
+	}
+
+	.poster-poster .pictrue image {
+		width: 100%;
+		height: 100%;
+	}
+</style>