html 包含h5，下载文件，预览文件

安卓下载

			exportPDF(url) {     // url 未pdf，word文件可以打开的链接
			      const a = document.createElement("a");
					  a.href = url;
					  a.target="_blank";
					  a.download = "download";
					  a.click();
			},

ios下载(uni-app demo)

<template> 
	<view style='margin-top:200px;'>
		<u-button type="success" @click='exportPDF' style='width:80%;'>点击下载PDF</u-button>
	</view>
</template>

<script>
	// u-view 1 参考:https://v1.uviewui.com/components/upload.html
	import util from '@/util/utils.js'
	export default {
		data() {
			return {
				pdfUrl:''
			}
		}, 
		onLoad(op) {
			console.log(op.url);
			this.pdfUrl=op.url;
		}, 		
		methods: { 
			exportPDF() { 
				const downloadElement = document.createElement("a");
				downloadElement.href = this.pdfUrl;				  
				downloadElement.download = "download";
				//  a.click();
				document.body.appendChild(downloadElement);
				downloadElement.click(); //点击下载				 
				document.body.removeChild(downloadElement); //下载完成移除元素
			}
		}
		 
	}
</script>


<style>
</style>

• uni-app的h5 h5 web 应该均可以实现，url为接口动态获取的