crm-uni/pages/mine/businesscard.vue

<template>
	<view>
		<uni-nav-bar leftText=" " :fixed="true" :border="false" leftIcon="back" @clickLeft="leftClick" color="#000000"
			backgroundColor="#fff" :statusBar="true"  :title="$t('navbar.businesscard')"></uni-nav-bar>
		<view class="card">
			<view class="img_top" ref="poster" id="poster">
			    <view class="name">
			        <view>刘亦菲</view>
			        <view>业务经理</view>
			        <view>13838225452</view>
			    </view>
			    <!-- <view class="code" :class=" activeImg === share_one ? 'code_one' : activeImg === share_two ? 'code_two' : activeImg === share_three ? 'code_three' : 'code_one'">
			        <qrcode-vue :value="codeUrl" :size="70"></qrcode-vue>
			    </view> -->
			</view>
			
		</view>
		<view class="foot">
			<button class="btn"  @click="goDown">{{$t('submit')}}</button>
		</view>	
	</view>
</template>

<script>
	import { request,showToast } from '@/api/apiT.js'
	import html2canvas from 'html2canvas';
	export default {
		data() {
			return {
				
			}
		},
		methods: {
			saveImgFile(baseImg){
				const bitmap = new plus.nativeObj.Bitmap('test')
				bitmap.loadBase64Data(
				    baseImg,
				    function () {
				        const url = '_doc/' + new Date().getTime() + '.png' // url为时间戳命名方式
				        bitmap.save(
				            url,
				            {
				                overwrite: true // 是否覆盖
				            },
				            i => {
				                plus.gallery.save(
				                    i.target,
				                    function () {
										uni.showToast({
											title: '图片保存至相册成功',
											icon: 'none'
										});
				                        bitmap.clear()
				                    },
				                    function (e) {
										uni.showToast({
											title: '图片保存至相册失败',
											icon: 'none'
										});
				                        // console.log('图片保存至相册失败:' + JSON.stringify(e))
				                        bitmap.clear()
				                    }
				                )
				            },
				            e => {
								uni.showToast({
									title: '图片保存失败1',
									icon: 'none'
								});
				                bitmap.clear()
				            }
				        )
				    },
				    e => {
				        uni.showToast({
				        	title: '图片保存失败2',
				        	icon: 'none'
				        });
				        bitmap.clear()
				    }
				)
			},
			downloadImage(url, filename) {
				// 创建一个隐藏的 <a> 标签
				const link = document.createElement('a');
				link.href = url;
				link.download = filename;
				// 触发点击事件
				link.click();
			},
			goDown(){
				const element = document.getElementById('poster');
				var that= this
				html2canvas(element, {
				    backgroundColor: '#f5f5f5', //海报的背景颜色
				    useCORS: true // 允许跨域
				}).then(canvas => {
				    // canvas 其实就是我们所讲的res 的意思 返回报文的意思
				    let baseImg = canvas.toDataURL('image/png')
					uni.showModal({
						title: '下载名片',
						content: '确定下载当前名片图至相册嘛',
						success: function (res) {
							if (res.confirm) {
								that.downloadImage(baseImg, 'screenshot.png');
							} else if (res.cancel) {
								console.log('用户点击取消');
							}
						}
					});
				})
			}
		}
	}
</script>

<style lang="scss">
	.card{
		padding: 15px;
	}
	.img_top{
		background-image: url('/static/image/mine/cardbg.png');
		background-size: 100% 100%;
		background-repeat: no-repeat;
		text-align: center;
		position: relative;
		width:690rpx;
		height:1060rpx;
		border-radius: 15px;
		.name{
			position: absolute;
			top: 20%;
			left: 10%;
		}
	}
	.foot{
		position: fixed;
		bottom: 0px;
		width: 100%;
		height: 90px;
		background: #FFFFFF;
		z-index: 1;
	}
	.btn{
		background: linear-gradient(to right, #3471FF, #6776FF);
		color: white;
		border-radius: 50px;
		width: 92%;
		margin-bottom: 40px;
		margin: 15px 4%;
	}
</style>