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- <template>
- <view class="u-upload" v-if="!disabled">
- <view
- v-if="showUploadList"
- class="u-list-item u-preview-wrap"
- v-for="(item, index) in lists"
- :key="index"
- :style="{
- width: $u.addUnit(width),
- height: $u.addUnit(height)
- }"
- >
- <view
- v-if="deletable"
- class="u-delete-icon"
- @tap.stop="deleteItem(index)"
- :style="{
- background: delBgColor
- }"
- >
- <u-icon class="u-icon" :name="delIcon" size="20" :color="delColor"></u-icon>
- </view>
- <u-line-progress
- v-if="showProgress && item.progress > 0 && item.progress != 100 && !item.error"
- :show-percent="false"
- height="16"
- class="u-progress"
- :percent="item.progress"
- ></u-line-progress>
- <view @tap.stop="retry(index)" v-if="item.error" class="u-error-btn">点击重试</view>
- <image @tap.stop="doPreviewImage(item.url || item.path, index)" class="u-preview-image" v-if="!item.isImage" :src="item.url || item.path" :mode="imageMode"></image>
- </view>
- <slot name="file" :file="lists"></slot>
- <view style="display: inline-block;" @tap="selectFile" v-if="maxCount > lists.length">
- <slot name="addBtn"></slot>
- <view
- v-if="!customBtn"
- class="u-list-item u-add-wrap"
- hover-class="u-add-wrap__hover"
- hover-stay-time="150"
- :style="{
- width: $u.addUnit(width),
- height: $u.addUnit(height)
- }"
- >
- <u-icon name="plus" class="u-add-btn" size="40"></u-icon>
- <view class="u-add-tips">{{ uploadText }}</view>
- </view>
- </view>
- </view>
- </template>
- <script>
- export default {
- name: 'u-upload',
- props: {
-
- showUploadList: {
- type: Boolean,
- default: true
- },
-
- action: {
- type: String,
- default: ''
- },
-
- maxCount: {
- type: [String, Number],
- default: 52
- },
-
- showProgress: {
- type: Boolean,
- default: true
- },
-
- disabled: {
- type: Boolean,
- default: false
- },
-
- imageMode: {
- type: String,
- default: 'aspectFill'
- },
-
- header: {
- type: Object,
- default() {
- return {};
- }
- },
-
- formData: {
- type: Object,
- default() {
- return {};
- }
- },
-
- name: {
- type: String,
- default: 'file'
- },
-
- sizeType: {
- type: Array,
- default() {
- return ['original', 'compressed'];
- }
- },
- sourceType: {
- type: Array,
- default() {
- return ['album', 'camera'];
- }
- },
-
- previewFullImage: {
- type: Boolean,
- default: true
- },
-
- multiple: {
- type: Boolean,
- default: true
- },
-
- deletable: {
- type: Boolean,
- default: true
- },
-
- maxSize: {
- type: [String, Number],
- default: Number.MAX_VALUE
- },
-
- fileList: {
- type: Array,
- default() {
- return [];
- }
- },
-
- uploadText: {
- type: String,
- default: '选择图片'
- },
-
- autoUpload: {
- type: Boolean,
- default: true
- },
-
- showTips: {
- type: Boolean,
- default: true
- },
-
- customBtn: {
- type: Boolean,
- default: false
- },
-
- width: {
- type: [String, Number],
- default: 200
- },
-
- height: {
- type: [String, Number],
- default: 200
- },
-
- delBgColor: {
- type: String,
- default: '#fa3534'
- },
-
- delColor: {
- type: String,
- default: '#ffffff'
- },
-
- delIcon: {
- type: String,
- default: 'close'
- },
-
- toJson: {
- type: Boolean,
- default: true
- },
-
- beforeUpload: {
- type: Function,
- default: null
- },
-
- beforeRemove: {
- type: Function,
- default: null
- },
-
- limitType:{
- type: Array,
- default() {
-
-
- return ['png', 'jpg', 'jpeg', 'webp', 'gif', 'image'];
- }
- },
-
- index: {
- type: [Number, String],
- default: ''
- }
- },
- mounted() {},
- data() {
- return {
- lists: [],
- isInCount: true,
- uploading: false
- };
- },
- watch: {
- fileList: {
- immediate: true,
- handler(val) {
- val.map(value => {
-
-
-
- let tmp = this.lists.some(val => {
- return val.url == value.url;
- })
-
- !tmp && this.lists.push({ url: value.url, error: false, progress: 100 });
- });
- }
- },
-
- lists(n) {
- this.$emit('on-list-change', n, this.index);
- }
- },
- methods: {
-
- clear() {
- this.lists = [];
- },
-
- reUpload() {
- this.uploadFile();
- },
-
- selectFile() {
- if (this.disabled) return;
- const { name = '', maxCount, multiple, maxSize, sizeType, lists, camera, compressed, maxDuration, sourceType } = this;
- let chooseFile = null;
- const newMaxCount = maxCount - lists.length;
-
- chooseFile = new Promise((resolve, reject) => {
- uni.chooseImage({
- count: multiple ? (newMaxCount > 9 ? 9 : newMaxCount) : 1,
- sourceType: sourceType,
- sizeType,
- success: resolve,
- fail: reject
- });
- });
- chooseFile
- .then(res => {
- let file = null;
- let listOldLength = this.lists.length;
- res.tempFiles.map((val, index) => {
-
- if(!this.checkFileExt(val)) return ;
-
-
- if (!multiple && index >= 1) return;
- if (val.size > maxSize) {
- this.$emit('on-oversize', val, this.lists, this.index);
- this.showToast('超出允许的文件大小');
- } else {
- if (maxCount <= lists.length) {
- this.$emit('on-exceed', val, this.lists, this.index);
- this.showToast('超出最大允许的文件个数');
- return;
- }
- lists.push({
- url: val.path,
- progress: 0,
- error: false,
- file: val
- });
- }
- });
-
- this.$emit('on-choose-complete', this.lists, this.index);
- if (this.autoUpload) this.uploadFile(listOldLength);
- })
- .catch(error => {
- this.$emit('on-choose-fail', error);
- });
- },
-
- showToast(message, force = false) {
- if (this.showTips || force) {
- uni.showToast({
- title: message,
- icon: 'none'
- });
- }
- },
-
- upload() {
- this.uploadFile();
- },
-
- retry(index) {
- this.lists[index].progress = 0;
- this.lists[index].error = false;
- this.lists[index].response = null;
- uni.showLoading({
- title: '重新上传'
- });
- this.uploadFile(index);
- },
-
- async uploadFile(index = 0) {
- if (this.disabled) return;
- if (this.uploading) return;
-
- if (index >= this.lists.length) {
- this.$emit('on-uploaded', this.lists, this.index);
- return;
- }
-
- if (this.lists[index].progress == 100) {
- if (this.autoUpload == false) this.uploadFile(index + 1);
- return;
- }
-
- if(this.beforeUpload && typeof(this.beforeUpload) === 'function') {
-
-
-
-
-
-
- let beforeResponse = this.beforeUpload.bind(this.$u.$parent.call(this))(index, this.lists);
-
- if (!!beforeResponse && typeof beforeResponse.then === 'function') {
- await beforeResponse.then(res => {
-
- }).catch(err => {
-
- return this.uploadFile(index + 1);
- })
- } else if(beforeResponse === false) {
-
- return this.uploadFile(index + 1);
- } else {
-
- }
- }
-
- if (!this.action) {
- this.showToast('请配置上传地址', true);
- return;
- }
- this.lists[index].error = false;
- this.uploading = true;
-
- const task = uni.uploadFile({
- url: this.action,
- filePath: this.lists[index].url,
- name: this.name,
- formData: this.formData,
- header: this.header,
-
- fileType:'image',
-
- success: res => {
-
- let data = this.toJson && this.$u.test.jsonString(res.data) ? JSON.parse(res.data) : res.data;
- if (![200, 201, 204].includes(res.statusCode)) {
- this.uploadError(index, data);
- } else {
-
- this.lists[index].response = data;
- this.lists[index].progress = 100;
- this.lists[index].error = false;
- this.$emit('on-success', data, index, this.lists, this.index);
- }
- },
- fail: e => {
- this.uploadError(index, e);
- },
- complete: res => {
- uni.hideLoading();
- this.uploading = false;
- this.uploadFile(index + 1);
- this.$emit('on-change', res, index, this.lists, this.index);
- }
- });
- task.onProgressUpdate(res => {
- if (res.progress > 0) {
- this.lists[index].progress = res.progress;
- this.$emit('on-progress', res, index, this.lists, this.index);
- }
- });
- },
-
- uploadError(index, err) {
- this.lists[index].progress = 0;
- this.lists[index].error = true;
- this.lists[index].response = null;
- this.$emit('on-error', err, index, this.lists, this.index);
- this.showToast('上传失败,请重试');
- },
-
- deleteItem(index) {
- uni.showModal({
- title: '提示',
- content: '您确定要删除此项吗?',
- success: async (res) => {
- if (res.confirm) {
-
-
- if(this.beforeRemove && typeof(this.beforeRemove) === 'function') {
-
- let beforeResponse = this.beforeRemove.bind(this.$u.$parent.call(this))(index, this.lists);
-
- if (!!beforeResponse && typeof beforeResponse.then === 'function') {
- await beforeResponse.then(res => {
-
- this.handlerDeleteItem(index);
- }).catch(err => {
-
- this.showToast('已终止移除');
- })
- } else if(beforeResponse === false) {
-
- this.showToast('已终止移除');
- } else {
-
- this.handlerDeleteItem(index);
- }
- } else {
-
- this.handlerDeleteItem(index);
- }
- }
- }
- });
- },
-
- handlerDeleteItem(index) {
-
- if (this.lists[index].progress < 100 && this.lists[index].progress > 0) {
- typeof this.lists[index].uploadTask != 'undefined' && this.lists[index].uploadTask.abort();
- }
- this.lists.splice(index, 1);
- this.$forceUpdate();
- this.$emit('on-remove', index, this.lists, this.index);
- this.showToast('移除成功');
- },
-
- remove(index) {
-
- if (index >= 0 && index < this.lists.length) {
- this.lists.splice(index, 1);
- this.$emit('on-list-change', this.lists, this.index);
- }
- },
-
- doPreviewImage(url, index) {
- if (!this.previewFullImage) return;
- const images = this.lists.map(item => item.url || item.path);
- uni.previewImage({
- urls: images,
- current: url,
- success: () => {
- this.$emit('on-preview', url, this.lists, this.index);
- },
- fail: () => {
- uni.showToast({
- title: '预览图片失败',
- icon: 'none'
- });
- }
- });
- },
-
- checkFileExt(file) {
-
- let noArrowExt = false;
-
- let fileExt = '';
- const reg = /.+\./;
-
-
- fileExt = file.name.replace(reg, "").toLowerCase();
-
-
-
- fileExt = file.path.replace(reg, "").toLowerCase();
-
-
- noArrowExt = this.limitType.some(ext => {
-
- return ext.toLowerCase() === fileExt;
- })
- if(!noArrowExt) this.showToast(`不允许选择${fileExt}格式的文件`);
- return noArrowExt;
- }
- }
- };
- </script>
- <style lang="scss" scoped>
- @import '../../libs/css/style.components.scss';
- .u-upload {
- @include vue-flex;
- flex-wrap: wrap;
- align-items: center;
- }
- .u-list-item {
- width: 200rpx;
- height: 200rpx;
- overflow: hidden;
- margin: 10rpx;
- background: rgb(244, 245, 246);
- position: relative;
- border-radius: 10rpx;
- /* #ifndef APP-NVUE */
- display: flex;
- /* #endif */
- align-items: center;
- justify-content: center;
- }
- .u-preview-wrap {
- border: 1px solid rgb(235, 236, 238);
- }
- .u-add-wrap {
- flex-direction: column;
- color: $u-content-color;
- font-size: 26rpx;
- }
- .u-add-tips {
- margin-top: 20rpx;
- line-height: 40rpx;
- }
- .u-add-wrap__hover {
- background-color: rgb(235, 236, 238);
- }
- .u-preview-image {
- display: block;
- width: 100%;
- height: 100%;
- border-radius: 10rpx;
- }
- .u-delete-icon {
- position: absolute;
- top: 10rpx;
- right: 10rpx;
- z-index: 10;
- background-color: $u-type-error;
- border-radius: 100rpx;
- width: 44rpx;
- height: 44rpx;
- @include vue-flex;
- align-items: center;
- justify-content: center;
- }
- .u-icon {
- @include vue-flex;
- align-items: center;
- justify-content: center;
- }
- .u-progress {
- position: absolute;
- bottom: 10rpx;
- left: 8rpx;
- right: 8rpx;
- z-index: 9;
- width: auto;
- }
- .u-error-btn {
- color: #ffffff;
- background-color: $u-type-error;
- font-size: 20rpx;
- padding: 4px 0;
- text-align: center;
- position: absolute;
- bottom: 0;
- left: 0;
- right: 0;
- z-index: 9;
- line-height: 1;
- }
- </style>
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