uniapp打开第三方

<template>
	<view>
		<view class="header border-bottom">
			<view :style="{height: systemBarHeight}"></view>
			<view class="headertop px-2 d-flex a-center j-sb">
				<view class="mr-5" @click="nextBack">
					<image style="width: 45rpx;height: 45rpx;" src="../../static/back.png" mode=""></image>
				</view>
				<view class="wrapInput py-1 px-3 flex-1">
					<input v-model="keyword" type="text" placeholder='请输入关键字'>
				</view>
				<view class="ml-4 search" @click="searchBtn">搜索</view>
			</view>
			<view class="d-flex a-center bg-white">
				<view class="flex-1">
					<uni-data-select v-model="subId" :localdata="SubCategoryList" placeholder="请选择标准"></uni-data-select>
				</view>
				<view class="flex-1">
					<uni-data-select v-model="status" :localdata="range"></uni-data-select>
				</view>
			</view>
		</view>
		<view :style="{height: fixedHeight}"></view>
		<view class="p-2">
			<view class="wrap p-2 mb-2" v-for="(item,index) in tableData" :key="index" @click="nextTo(item)">
				<view class="mb-1 font-weight">{{item.FileName}}</view>
				<view class="d-flex">
					<view class="flex-1 text-one-line">文号:{{item.WenHao}}</view>
					<view class="flex-1 text-one-line ml-3">实施日期: {{item.ExecDate}}</view>
				</view>
				<view class="d-flex">
					<view class="flex-1 text-one-line">{{item.SubCategory}}</view>
					<view class="flex-1 text-one-line ml-3 d-flex">
						<view>{{item.DeptName}}</view>
						<view class="ml-2">{{item.StatusText}}</view>
					</view>
				</view>
			</view>
			<u-modal showCancelButton @cancel="show=false" @confirm="openFile" :show="show" :title="title" :content='content'></u-modal>
			<u-loadmore class="mt-1" :status="status" :loading-text="loadingText" :loadmore-text="loadmoreText"
				:nomore-text="nomoreText" :line="true" />
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				// 系统状态栏的高度
				systemBarHeight: 0,
				fixedHeight: 0,
				categoryId: 0,
				keyword: '',
				page: 1,
				pageSize: 10,
				totalPages: null,
				tableData: [],
				show:false,
				title:'浏览文件',
				content:'文件需要通过第三方软件打开，是否继续？',
				openUrl:'',
				status: 'nomore',
				loadingText: '努力加载中',
				loadmoreText: '',
				nomoreText: '已加载全部数据',
				SubCategoryList: [],
				subId: '',
				status: '',
				range: [{
						value: '',
						text: "全部"
					},
					{
						value: '1',
						text: "现行"
					},
					{
						value: '0',
						text: "废止"
					},
				],
			}
		},
		onLoad(opt) {
			this.getSysteminfo()
			console.log(JSON.parse(opt.data));
			this.categoryId = JSON.parse(opt.data).id
			this.getSubCategoryList()
			this.getFileList()
		},
		onReachBottom() {
			if (this.page >= this.totalPages) {
				this.status = 'nomore'
				return;
			}
			this.page++;
			this.getFileList()
		},
		methods: {
			nextTo(item) {
				console.log(item.FilePath);
				console.log(this.$http.pdfUrl);
				var filename = item.FilePath;
				var extension = filename.split('.').pop();
				let url = this.$http.pdfUrl + item.FilePath
				this.openUrl=url
				console.log(extension);
				if (extension == 'pdf') {
					// let url = 'http://192.168.0.3:9996' + item.FilePath
					uni.navigateTo({
						url: '/pages/officefile/officefile?url=' + url
					})
				} else {
					this.show=true
					
				}
				// let url = 'http://192.168.0.3:9996' + item.FilePath
				// uni.navigateTo({
				// 	url: '/pages/officefile/officefile?url=' + url
				// })
			},
			openFile(){
				var dtask = plus.downloader.createDownload(this.openUrl, {}, function(d, status) {
					if (status == 200) {
						var fileUrl = d.filename;
						plus.runtime.openFile(fileUrl, {}, function(e) {
							plus.nativeUI.alert("打开失败！");
						});
				
					} else {
						alert("Download failed: " + status);
					}
				});
				dtask.start();
				this.show=false
			},
			searchBtn() {
				this.page = 1,
					this.pageSize = 10,
					this.totalPages = null,
					this.tableData = [],
					this.getFileList()
			},
			getFileList() {
				let data = {
					categoryId: this.categoryId,
					keyword: this.keyword,
					subId: this.subId,
					status: this.status,
					page: this.page,
					pageSize: this.pageSize
				}
				this.$http.get('App2/GetFileList', data).then(res => {
					console.log(res, '11111111');
					this.totalPages = res.TotalPages
					this.tableData = this.tableData.concat(res.data)
				})
			},
			getSysteminfo() {
				uni.getSystemInfo({
					success: res => {
						this.systemBarHeight = res.statusBarHeight + 'px';
						this.fixedHeight = res.statusBarHeight + 88 + 'px'
					}
				});
			},
			getSubCategoryList() {
				this.$http.get('App2/GetSubCategoryList?categoryId=' + this.categoryId).then(res => {
					console.log(res);
					this.SubCategoryList = res.map(item => {
						return {
							value: item.ID,
							text: item.Name
						}
					})
				})
			},
			nextBack() {
				uni.navigateBack()
			}
		}
	}
</script>

<style lang="scss">
	.header {
		position: fixed;
		top: 0;
		left: 0;
		right: 0;
		background-color: #fff;
		z-index: 999;
		background-color: #3d7eff;
	}

	.headertop {
		height: 88rpx;
		width: 100%;
		background-color: #3d7eff;
	}

	.wrapInput {
		// background-color: rgba(0, 0, 0, 0.2);
		background-color: #fff;
		border-radius: 10rpx;
	}

	.search {
		color: #fff;
		font-size: 14px;
	}

	.wrap {
		background-color: #fff;
		border-radius: 15rpx;
		box-shadow: 0 5rpx 10rpx rgba(0, 0, 0, .2);
	}
</style>