uniapp 微信小程序绘制海报，长按图片分享，保存海报-Toy模板网

这篇具有很好参考价值的文章主要介绍了uniapp 微信小程序绘制海报，长按图片分享，保存海报。希望对大家有所帮助。如果存在错误或未考虑完全的地方，请大家不吝赐教，您也可以点击"举报违法"按钮提交疑问。

uniapp 微信小程序绘制海报，长按图片分享，保存海报,uni-app,微信小程序,小程序

uView UI 2.0
dcloud 插件市场地址文章来源地址https://www.toymoban.com/news/detail-661808.html

弹窗海报源码

<template>
	<!-- 推荐商品弹窗 -->
	<u-popup :show="haibaoShow" mode="center" round='26rpx' z-index='10076' bgColor='transparent' safeAreaInsetTop  @close="goodsclose">
		
			<image v-if="picture2" :src="picture2" mode="widthFix" show-menu-by-longpress></image>
			
			<l-painter 
			v-else
			@done='successFun'
			isCanvasToTempFilePath
			path-type="url"
			ref="painter"
			css="width: 600rpx; padding-bottom: 50rpx; background: #FFFFFF;padding:30rpx;border-radius: 20rpx; box-sizing: border-box;">
				<l-painter-image src="https://m.360buyimg.com/babel/jfs/t1/196317/32/13733/288158/60f4ea39E6fb378ed/d69205b1a8ed3c97.jpg"
				css="width: 540rpx;height:540rpx;border-radius: 10rpx;object-fit: cover;"/>
				
			  <l-painter-view css="background: #fff; display:flex;align-item:center;justify-content: space-between; padding-top:25rpx;">
			    <l-painter-view css="width:335rpx" >
							<l-painter-text  
							css="font-size: 24rpx;font-weight: 500;color: #CA273D; 	display: block;"  text="￥12.00" />
						<l-painter-text  css="font-size: 26rpx;font-weight: 500;color: #333333;margin-top:18rpx;display: block;" text="米菲兔超薄尿不湿"/>
						<l-painter-text  css="font-size: 24rpx;color: #666666;margin-top:15rpx;	display: block;" text='菲兔超薄尿不湿米菲兔超薄尿不湿简介米菲兔超 薄尿不湿简介米菲兔超薄尿 '/>
					
					</l-painter-view>
					
					 <l-painter-view css="width:155rpx" >
					<l-painter-image src="https://m.360buyimg.com/babel/jfs/t1/196317/32/13733/288158/60f4ea39E6fb378ed/d69205b1a8ed3c97.jpg"
					css="width: 146rpx; height: 143rpx; object-fit: cover;padding:10rpx 8rpx; border:2rpx solid #eee;border-radius:10rpx;"/>
					<l-painter-text  css="font-size: 24rpx;color: #666666;margin-top:15rpx;	display: block;" text='长按图片分享微信好友 '/>
					</l-painter-view>
			  </l-painter-view>
				
			</l-painter>
			
			
			<view class="btnbox u-flex-around">
				<!-- <view class="btn btn1">长按图片分享微信好友</view> -->
				<view class="btn btn2" @click="saveFun">保存到本地</view>
			</view>
			
	</u-popup>
</template>

<script>
	// import {
	//   apigoods,
	// 	cartlist,
	// 	addcart
	//  } from "@/api/index/index.js"
	export default {
		components: {},
		props: {
			// list: {
			//   type: Array,
			//   default: null
			// }
		},
		data() {
			return {
				picture2: '',
				haibaoShow: false,
			
				img:'https://cdn.uviewui.com/uview/swiper/swiper3.png',
				list: [
					{ image: 'https://cdn.uviewui.com/uview/swiper/swiper3.png', name: '春日写真春日写真春日写真春日写真春日写真春日写真春日写真春日写真春日写真',price: '123.00',id: 11},
				],
			}
		},
		mounted() {
		 // this.getlist();
		},
		methods:{
			open(){
				this.haibaoShow = true;
			},
			getlist(){
				let data = {
					page:1,
					limit:9999
				}
				apigoods(data).then(res => {
					this.list = res.data;
				});
			},
			goodsclose(){
				this.haibaoShow = false;
			},
	
			// 绘制完成后，生成图片
			successFun(){
				console.log('绘制完成-=-=-=-')
				this.$refs.painter.canvasToTempFilePathSync({
				  fileType: "jpg",
				  // 如果返回的是base64是无法使用 saveImageToPhotosAlbum，需要设置 pathType为url
				  pathType: 'url',
				  quality: 1,
				  success: (res) => {
						this.picture2 = res.tempFilePath;
				  },
				});
			},
			// 保存到本地
			saveFun(){
				let that = this;
					uni.saveImageToPhotosAlbum({
						filePath: that.picture2,
						success: function () {
							console.log('save success');
							uni.$u.toast('海报已保存到相册')
						}
					});
			}
		},
	}
</script>

<style lang='scss' scoped>
	
	.btnbox{
		width: 570rpx;
		margin: 64rpx auto 0;
		.btn{
			width: 250px;
			height: 70rpx;
			line-height: 70rpx;
			text-align: center;
			border-radius: 35rpx;
			font-size: 30rpx;
			color: #ffffff;
		}
		.btn1{
			background: linear-gradient(88deg, #FFB72C, #F98517);
			margin-right:30rpx;
		}
		.btn2{
			background: linear-gradient(177deg, #F2582F, #E1200B);
		}
	}
</style>