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<template>
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<view>
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<view class="imgs">
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<!-- images -->
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<view class="single" v-for="(item, key) in list" :key="key" v-if="item.type == 'image'">
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<image :src="item.url" mode="aspectFit" @click="previewImg(item.url)" />
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<progress :percent="item.process" activeColor="#67C23A" :backgroundColor="item.process == 100 || item.process == undefined ? '#67C23A' : '#F56C6C'"
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stroke-width="3" v-if="mode == 'create' && showProcess" />
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<view class="del" @click="deleteItem(key)">×</view>
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</view>
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<!-- file -->
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<view class="file" v-for="(item, key) in list" :key="key" v-if="item.type == 'file'">
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<view class="noImg" @click="downLoad(item.url)" @longpress="deleteItem(key)">{{ item.fileName }}</view>
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<progress :percent="item.process" activeColor="#67C23A" :backgroundColor="item.process == 100 || item.process == undefined ? '#67C23A' : '#F56C6C'"
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stroke-width="3" v-if="mode == 'create' && showProcess" />
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<view class="del" @tap="deleteItem(key)">×</view>
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</view>
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<!-- add button -->
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<view v-if="mode == 'create'" class="single addNew" @click="chooseFile"><text class="cuIcon-add">+</text></view>
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</view>
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</view>
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</template>
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<script>
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export default {
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props: {
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attachmentList: {
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type: Array //附件列表
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},
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mode: {
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type: String //模式： create => 可新增或编辑附件 不填或其他 => 只能查看附件
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},
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uploadFileUrl: {
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type: String,
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dafault: '#' // 上传文件的服务器url
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},
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showProcess: {
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type: Boolean,
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default: true //是否显示进度，默认显示
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},
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header: {
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type: Object //上传图片到服务器时，HTTP 请求 Header
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},
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limit: {
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type: Number, //限制可上传的图片数量
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default: null
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},
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fileKeyName: {
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type: String,
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default: 'file' //用于在服务端通过自定义key值获取该文件数据
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},
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canUploadFile: {
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type: Boolean,
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default: false
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}
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},
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computed: {
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list() {
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return this.attachmentList;
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}
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},
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data() {
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return {};
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},
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methods: {
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previewImg(url) {
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uni.previewImage({
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current: 0,
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urls: [url]
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});
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},
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downLoad(url) {
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uni.showModal({
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title: '确定要下载此附件吗',
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content: ' ',
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success: res => {
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if (res.confirm) {
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uni.showLoading({
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title: '下载中,请稍后'
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});
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console.log(url);
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uni.downloadFile({
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url: url,
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success: res => {
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var tempFile = res.tempFilePath;
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uni.saveFile({
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tempFilePath: res.tempFilePath,
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success: res => {
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var savedFilePath = res.savedFilePath;
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uni.hideLoading();
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uni.showToast({
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title: '保存成功，路径为' + savedFilePath
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});
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uni.openDocument({
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filePath: savedFilePath,
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success: function(res) {
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console.log(res);
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}
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});
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}
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});
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},
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fail: res => {
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console.log(res);
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uni.hideLoading();
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uni.showToast({
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title: '下载失败',
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icon: 'none'
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});
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}
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});
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setTimeout(function() {
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uni.hideLoading();
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}, 20000);
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// downloadTask.onProgressUpdate((res) => {
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// console.log('下载中,进度' + res.progress)
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// });
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}
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}
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});
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},
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deleteItem(index) {
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uni.showModal({
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title: '提示',
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content: '确定要删除此项吗？',
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success: res => {
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if (res.confirm) {
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if (this.list[index].process != 100) {
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typeof this.list[index].uploadTask != 'undefined' && this.list[index].uploadTask.abort();
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}
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this.list.splice(index, 1);
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this.$forceUpdate();
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this.$emit('update:attachmentList', this.list);
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}
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}
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});
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},
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async chooseFile() {
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if (this.limit != null && !isNaN(this.limit)) {
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if (this.list.length >= this.limit) {
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uni.showToast({
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title: '已达到最大上传数量',
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icon: 'none'
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});
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return;
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}
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}
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var canUploadFile = this.canUploadFile;
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// 非APP平台不可以上传文件
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// #ifndef APP-PLUS || MP-WEIXIN
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canUploadFile = false;
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// #endif
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// #ifdef APP-PLUS
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// APP 需调用uniapp插件市场的chuck-filemanager插件，可以选择试用，然后在mainfest.json中勾选该插件，既可在自定义基座中运行
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// chuck-filemanager插件地址 https://ext.dcloud.net.cn/plugin?id=680
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if (canUploadFile) {
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const open = uni.requireNativePlugin('chuck-filemanager');
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var temp = await new Promise(resoleve => {
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open.onIntent('996', path => {
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resoleve(path);
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});
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})
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var tempFiles = ['file:///' + temp];
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}
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// #endif
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if (!canUploadFile) {
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var temps = await uni.chooseImage({
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count: this.limit == null || this.limit - this.list.length > 9 ? 9 : 9 - limit,
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sizeType: ['original', 'compressed'], //可以指定是原图还是压缩图，默认二者都有
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sourceType: ['album'] //从相册选择
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});
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if (typeof temps[1] == 'undefined') {
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return;
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}
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var tempFiles = temps[1].tempFilePaths;
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} else {
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// #ifdef MP-WEIXIN
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var res = await uni.showActionSheet({
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itemList: ['选择图片', '选择文件']
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})
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if (res[1].tapIndex == 0) {
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var temps = await uni.chooseImage({
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count: this.limit == null || this.limit - this.list.length > 9 ? 9 : 9 - limit,
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sizeType: ['original', 'compressed'], //可以指定是原图还是压缩图，默认二者都有
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sourceType: ['album'] //从相册选择
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});
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if (typeof temps[1] == 'undefined') {
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return;
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}
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var tempFiles = temps[1].tempFilePaths;
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} else {
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//微信从客户端选择文件
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var temps = await new Promise((resolve, reject) => {
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wx.chooseMessageFile({
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count: this.limit == null || this.limit - this.list.length > 9 ? 9 : 9 - limit,
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type: 'file',
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success(res) {
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// tempFilePath可以作为img标签的src属性显示图片
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const tempFilePaths = res.tempFiles;
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resolve(tempFilePaths);
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}
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})
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})
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var tempFiles = temps.map((ele, index) => {
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return ele.path;
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})
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var fileNames = temps.map((ele, index) => {
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return ele.name;
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})
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}
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// #endif
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}
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for (let i in tempFiles) {
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let path = tempFiles[i];
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if(typeof fileNames != 'undefined' && typeof fileNames[i] != 'undefined') {
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var fileName = fileNames[i];
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}else{
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var fileName = path.split('/');
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fileName = fileName[fileName.length - 1];
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}
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let index = this.list.length;
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// 开始上传，先暂存文件
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this.list.push({
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fileName: fileName,
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url: path,
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type: this.isImg(path) ? 'image' : 'file',
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index: index,
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uploadTask: uploadTask,
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process: 0
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});
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this.$forceUpdate();
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var uploadTask = await uni.uploadFile({
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url: this.uploadFileUrl,
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filePath: path,
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name: this.fileKeyName,
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headers: this.header,
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success: res => {
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// 上传完成后处理
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this.$emit('uploadSuccess', res);
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if (res.statusCode == 200) {
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this.$set(this.list[index], 'process', 100);
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this.$emit('update:attachmentList', this.list);
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this.$forceUpdate();
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} else {
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}
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}
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});
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uploadTask.onProgressUpdate(res => {
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//此接口不显示真实进度， 所以需要特殊处理
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if (res.progress < 90) {
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this.$set(this.list[index], 'process', res.progress);
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this.$forceUpdate();
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}
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});
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}
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},
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//根据文件名，返回时是否是图片类型
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isImg(filePath) {
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let index = filePath.lastIndexOf('.');
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let ext = filePath.substr(index + 1);
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var temp = ['png', 'jpg', 'jpeg', 'bmp', 'gif', 'webp', 'svg', 'tiff'].indexOf(ext.toLowerCase()) !== -1;
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return temp;
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}
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}
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};
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</script>
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<style lang="less" scoped>
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.imgs {
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display: flex;
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flex-wrap: wrap;
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width: calc(100% + 15rpx);
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& .file {
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min-width: calc(100% - 15rpx);
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border: 1px solid #ccc;
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// border-radius: 10upx;
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box-sizing: border-box;
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margin-top: 20upx;
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position: relative;
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& .noImg {
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padding: 20rpx;
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display: flex;
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justify-content: center;
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text-align: left;
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width: 100%;
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font-size: 26upx;
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// flex-wrap: wrap;
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color: #999;
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word-break: break-all;
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box-sizing: border-box;
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}
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}
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progress {
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margin-top: -6rpx;
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border-radius: 20rpx;
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}
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.del {
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position: absolute;
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width: 35rpx;
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height: 35rpx;
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background: #f56c6c;
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color: #fff;
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top: 0;
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text-align: center;
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right: 0;
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line-height: 35rpx;
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font-size: 30rpx;
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z-index: 100;
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}
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& .single {
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width: 125upx;
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height: 150upx;
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border: 1px solid #ccc;
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// border-radius: 10upx;
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margin-top: 20upx;
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margin-right: 12rpx;
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position: relative;
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// &:nth-of-type(5n) {
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// margin-right: 0;
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// }
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&.addNew {
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display: flex;
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justify-content: center;
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align-items: center;
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text {
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font-size: 50rpx;
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color: #999;
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}
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}
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& image {
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width: 100%;
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height: 100%;
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display: block;
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}
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}
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}
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</style>
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