gwlz/jp-mobile/pages/fileTransmit/addFileTransmit.vue

<template>
	<view>
		<view class="bg-white default_title">
			<u--form :model="inputForm" labelWidth="130px" class="u-form default_title" labelPosition="left"
				ref="inputForm">
				<u-form-item label="年度"  borderBottom prop="yearNum">
					<u--input readonly v-model="inputForm.yearNum" placeholder="输入年度" border="none"></u--input>
				</u-form-item>
				<u-form-item label="卡号" borderBottom prop="cardNum">
					<u--input readonly v-model="inputForm.cardNum" placeholder="输入卡号" border="none"></u--input>
				</u-form-item>
			</u--form>
		</view>
		<view class="bg-white margin-top main_info">
			<u--form :model="inputForm" labelWidth="130px" class="u-form default_title" labelPosition="left"
				ref="inputForm">
				<u-form-item label="来文机关" borderBottom prop="sendingAgency">
					<u--input v-model="inputForm.sendingAgency" placeholder="请输入来文机关" border="none"></u--input>
				</u-form-item>
				<u-form-item label="来文字号" borderBottom prop="docFontSize">
					<u--input v-model="inputForm.docFontSize" placeholder="请输入来文字号" border="none"></u--input>
				</u-form-item>
				<u-form-item label="文件来源" borderBottom prop="fileSource">
					<u--input v-model="inputForm.fileSource" placeholder="请输入文件来源" border="none"></u--input>
				</u-form-item>
				<u-form-item label="成文时间" borderBottom prop="writtenTime" @click="openDate(1)">
					<jp-datetime-picker :show="iswrite" v-model="inputForm.writtenTime" placeholder="选择成文时间"
						mode="date"></jp-datetime-picker>
				</u-form-item>
				<u-form-item label="收文时间" borderBottom prop="receivingTime" @click="openDate(2)">
					<jp-datetime-picker :show="isreceive" v-model="inputForm.receivingTime" placeholder="选择收文时间"
						mode="date"></jp-datetime-picker>
				</u-form-item>
				<u-form-item label="内容摘要" borderBottom prop="contentSummary">
					<u--textarea v-model="inputForm.contentSummary" placeholder="请输入内容摘要" border="none"></u--textarea>
				</u-form-item>
				<u-form-item label="来文附件" prop="attachedDocumentId" labelPosition="top">
					<u-upload :fileList="fileLists" @afterRead="afterRead" multiple :maxCount="9" width="250"
						height="150" accept="file" :previewImage="false">
						<view class="addfile flex"> <u-icon size="20" bold name="plus"></u-icon></view>
					</u-upload>
				</u-form-item>
				<view class="other_info">
					<view class="other_pdf">
						<u-cell-group>
							<u-cell v-for="item in fileList" :title="item.name">
								<u-icon slot="right-icon" size="28" name="trash-fill"
									@click="deleteFile(item)"></u-icon>
							</u-cell>
						</u-cell-group>
					</view>
				</view>
				<u-upload :fileList="imgList" @delete="deletePic" multiple :maxCount="imgList.length"
					:previewFullImage="true"></u-upload>
				<u--text size="10" type="error" text="请确保上传图片内容清晰可见,所有涉密敏感信息不得上传"></u--text>
				<view class="submit_btn flex">
					<u-button v-if="!loading" type="primary" text="提交新增" @click="formSubmit"></u-button>
					<u-button v-if="loading" :loading="loading" type="primary" text="加载中"></u-button>
				</view>
			</u--form>
		</view>
		<u-toast ref="uToast"></u-toast>

	</view>
</template>

<script>
	import {
		isImageFormat
	} from "@/common/util.js"
	import BASE_URL from '@/config.js'
	import moment from "moment/moment"
	import * as $auth from "@/common/auth.js"
	import fileService from '@/api/file/fileService.js'
	import gwCirculationCard2Service from '@/api/circulation/gwCirculationCard2.js'
	export default {
		mounted() {
			gwCirculationCard2Service.getCardNum().then(data =>{
				const currentYear = new Date().getFullYear();
				this.inputForm.yearNum = currentYear
				this.inputForm.cardNum = "["+currentYear +"]"+data+"号"
				this.inputForm.writtenTime = moment().format('YYYY-MM-DD');
				this.inputForm.receivingTime = moment().format('YYYY-MM-DD');
			})	
		},
		data() {
			return {
				imgsrc: {},
				loading: false,
				isreceive: false,
				iswrite: false,
				fileLists: [],
				fileList: [],
				imgList: [],
				inputForm: {
					id: '',
					yearNum: '',
					cardNum: '',
					sendingAgency: '',
					docFontSize: '',
					fileSource: '',
					writtenTime: '',
					receivingTime: '',
					contentSummary: '',
					attachedDocumentId: '',
					remark: '',
					state: '1'
				},
			}
		},
		methods: {
			// 打开日期
			openDate(type) {
				console.log("c====", type);
				if (type == 1) {
					this.iswrite = !this.iswrite
				} else if (type == 2) {
					this.isreceive = !this.isreceive
				}
			},
			showToast(params) {
				this.$refs.uToast.show({
					...params,
					complete() {
						params.url && uni.redirectTo({
							url: params.url
						})
					}
				})
			},
			// 删除文件
			deleteFile(item) {
				let that = this
				uni.showModal({
					title: '提示',
					content: '确认删除该文件',
					success: function(res) {
						if (res.confirm) {
							that.fileLists = that.fileLists.filter(i => !(i.url == item.url))
							that.fileList = that.fileList.filter(i => !(i.url == item.url))
						} else if (res.cancel) {
							console.log('用户点击取消');
						}
					}
				});

			},
			// 删除图片
			deletePic(event) {
				this[`imgList${event.name}`].splice(event.index, 1)
				this[`fileLists${event.name}`].splice(event.index, 1)
			},
			// 图片压缩
			compressH5(urlData) {
				let that = this
				return new Promise((resolve, reject) => {
					let a = uni.getImageInfo({
						src: urlData.url,
						success(res) {
							let originWidth = res.width; //图片原始宽
							let originHeight = res.height; //图片原始高
							let maxWidth = 800;
							let maxHeight = 800;
							let img = new Image()
							img.src = res.path
							let canvas = document.createElement('canvas');
							let ctx = canvas.getContext('2d')
							// 目标尺寸
							let targetWidth = originWidth;
							let targetHeight = originHeight;

							canvas.width = targetWidth
							canvas.height = targetHeight
							// 图片压缩
							ctx.drawImage(img, 0, 0, targetWidth, targetHeight)
							// canvas对图片进行缩放 0.3是我定义的图片质量，
							let base64 = canvas.toDataURL(urlData.type, 0.3);
							// 将base64转换为file流，
							
							let file = that.convertBase64UrlToFile({
								url: base64,
								type: urlData.type,
								name: urlData.name
							})
							
							urlData.size = file.size
							let result =  that.uploadFilePromise(urlData)
							setTimeout(() => {
								resolve(result)
							}, 1000)
						},
						fail() {
							uni.showModal({
								title: '提示',
								content: '图片压缩失败',
								showCancel: false
							});
						}
					})
				})
			},
			convertBase64UrlToFile(base64) {
				let urlData = base64.url
				let type = base64.type
				let contentName = base64.name
				let bytes = null
				if (urlData.split(',').length > 1) { //是否带前缀
					bytes = window.atob(urlData.split(',')[1]) // 去掉url的头，并转换为byte
				} else {
					bytes = window.atob(urlData)
				}
				// 处理异常,将ascii码小于0的转换为大于0
				let ab = new ArrayBuffer(bytes.length)
				let ia = new Uint8Array(ab)
				for (let i = 0; i < bytes.length; i++) {
					ia[i] = bytes.charCodeAt(i)
				}
				let result = new Blob([ab], {
					type: type,
				})
				let result1 = new File([result], contentName, {
					type: type
				})
				result1.url = window.URL.createObjectURL(result)
				return result1
			},
			// 新增图片
			async afterRead(event) {
				uni.showLoading({
					title:"上传中"
				})
				// 当设置 multiple 为 true 时, file 为数组格式，否则为对象格式
				let lists = [].concat(event.file)
				let fileListLen = this.fileLists.length
				lists.map((item) => {
					this.fileLists.push({
						...item,
						status: 'uploading',
						message: '上传中'
					})
				})
				for (let i = 0; i < lists.length; i++) {
					let result =""
					if (isImageFormat(lists[i].name) && lists[i].size > (200 * 1024)) {
						result = await this.compressH5(lists[i]);
					}else {
						result = await this.uploadFilePromise(lists[i])
					}
					let item = this.fileLists[fileListLen]

					this.fileLists.splice(fileListLen, 1, Object.assign(item, {
						status: 'success',
						message: '',
						url: result
					}))
					fileListLen++
					if (isImageFormat(item.url)) {
						let item1 = {
							url: BASE_URL + result
						}
						this.imgList.push(item1)
					} else {
						const fileName = item.url.split(/[/\\=]/).pop();
						let a = {
							name: fileName,
							url: item.url
						}
						this.fileList.push(a)
					}
				}
				uni.hideLoading()
			},
			async uploadFilePromise(param) {
				
				return new Promise((resolve, reject) => {
					
					let a = uni.uploadFile({
						url: this.BASE_URL + '/gwfile/upload?uploadPath=filtransmit',
						filePath: param.url,
						name: 'file',
						header: {
							"token": $auth.getUserToken()
						},
						formData: param,
						success: (res) => {
							setTimeout(() => {
								resolve(res.data)
							}, 1000)
						}
					})
				});
			},
			// 下载文件
			download(param) {

				fileService.download(param).then(data)
			},

			// 表单提交
			formSubmit() {
				this.loading = true
				let files = []
				this.fileLists.forEach(item => {
					files.push(item.url)
				})
				this.inputForm.attachedDocumentId = files.join(",");
				this.inputForm.writtenTime = this.inputForm.writtenTime+" 00:00:00";
				this.inputForm.receivingTime = this.inputForm.receivingTime+" 00:00:00";
				// this.$refs['inputForm'].validate((valid) => {
				// 	if (valid) {
				gwCirculationCard2Service.save(this.inputForm).then((data) => {

					let param = {
						type: 'success',
						message: data,
						iconUrl: 'https://cdn.uviewui.com/uview/demo/toast/success.png',
						url: "/pages/index/index"
					}
					this.showToast(param);
				}).catch(() => {
					let param = {
						type: 'error',
						message: data,
						iconUrl: 'https://cdn.uviewui.com/uview/demo/toast/error.png',
					}
					this.showToast(param);
				})
				// 	}
				// })
			}

		}
	}
</script>

<style>
	.default_title {
		padding-top: 0px;
	}

	.main_info {
		margin-top: 15px;
		/* height: 80vh; */
	}

	.submit_btn {
		background-color: #fefefe;
		margin-top: 20px;
		box-shadow: none;
		margin-bottom: 20px;
	}

	.submit_btn button {
		height: 40px;
		width: 80%;
		border-radius: 30px;

	}

	.addfile {
		width: 80px;
		height: 80px;
		background-color: #eee;
		padding-left: 30%;
		/* padding-left: 18%; */
		margin: 10px;
	}

	.other_info {
		width: 100%;
	}
</style>