main.js 引入 Clipboard 

npm install --save v-clipboard

import Clipboard from ‘v-clipboard‘
Vue.use(Clipboard)

来源链接：  https://blog.csdn.net/weixin_39907729/article/details/89211669

                
     <!-- #ifdef H5 -->			 
			<text class="item-btn" 
				v-clipboard:copy="member_id"
				v-clipboard:success="(type) => onCopyResult(‘success‘)"
				v-clipboard:error="(type) => onCopyResult(‘error‘)">复制
			</text>
			 <!-- #endif -->
			  
			<!-- #ifdef APP-PLUS || MP-WEIXIN -->			
			<text class="item-btn" @click="paste(member_id)">复制</text>
			<!-- #endif -->                                

paste(value) {
				console.log(value,"111111111")
				uni.setClipboardData({
					data: value,
					 success: function () {
						console.log(‘success‘);
					}
				 
				});
				 
			},
			onCopyResult(type) {
				console.log(type)
				if (type===‘success‘) {
					uni.showToast({
						title:"复制成功",
						icon:"none"
					})
					console.log("复制成功")
				} else {
					console.log("复制失败")
				} 
			},