fix:小程序分享功能和秒级数据

quanyawei

2023-11-01 66d2c8d8c97e19fdbd969f97dd3d6a28f27c415f

 uni_modules/uview-ui/components/u-upload/u-upload.vue

New file
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<template>
   <view class="u-upload" :style="[$u.addStyle(customStyle)]">
      <view class="u-upload__wrap" >
         <template v-if="previewImage">
            <view
                class="u-upload__wrap__preview"
                v-for="(item, index) in lists"
                :key="index"
            >
               <image
                   v-if="item.isImage || (item.type && item.type === 'image')"
                   :src="item.thumb || item.url"
                   :mode="imageMode"
                   class="u-upload__wrap__preview__image"
                   @tap="onPreviewImage(item)"
                  :style="[{
                     width: $u.addUnit(width),
                     height: $u.addUnit(height)
                  }]"
               />
               <view
                   v-else
                   class="u-upload__wrap__preview__other"
               >
                  <u-icon
                      color="#80CBF9"
                      size="26"
                      :name="item.isVideo || (item.type && item.type === 'video') ? 'movie' : 'folder'"
                  ></u-icon>
                  <text class="u-upload__wrap__preview__other__text">{{item.isVideo || (item.type && item.type === 'video') ? '视频' : '文件'}}</text>
               </view>
               <view
                   class="u-upload__status"
                   v-if="item.status === 'uploading' || item.status === 'failed'"
               >
                  <view class="u-upload__status__icon">
                     <u-icon
                         v-if="item.status === 'failed'"
                         name="close-circle"
                         color="#ffffff"
                         size="25"
                     />
                     <u-loading-icon
                         size="22"
                         mode="circle"
                         color="#ffffff"
                         v-else
                     />
                  </view>
                  <text
                      v-if="item.message"
                      class="u-upload__status__message"
                  >{{ item.message }}</text>
               </view>
               <view
                   class="u-upload__deletable"
                   v-if="item.status !== 'uploading' && (deletable || item.deletable)"
                   @tap.stop="deleteItem(index)"
               >
                  <view class="u-upload__deletable__icon">
                     <u-icon
                         name="close"
                         color="#ffffff"
                         size="10"
                     ></u-icon>
                  </view>
               </view>
               <view
                   class="u-upload__success"
                   v-if="item.status === 'success'"
               >
                  <!-- #ifdef APP-NVUE -->
                  <image
                      :src="successIcon"
                      class="u-upload__success__icon"
                  ></image>
                  <!-- #endif -->
                  <!-- #ifndef APP-NVUE -->
                  <view class="u-upload__success__icon">
                     <u-icon
                         name="checkmark"
                         color="#ffffff"
                         size="12"
                     ></u-icon>
                  </view>
                  <!-- #endif -->
               </view>
            </view>
				
         </template>
			
         <template v-if="isInCount">
            <view
                v-if="$slots.default || $slots.$default"
                @tap="chooseFile"
            >
               <slot />
            </view>
            <view
                v-else
                class="u-upload__button"
                :hover-class="!disabled ? 'u-upload__button--hover' : ''"
                hover-stay-time="150"
                @tap="chooseFile"
                :class="[disabled && 'u-upload__button--disabled']"
               :style="[{
                  width: $u.addUnit(width),
                  height: $u.addUnit(height)
               }]"
            >
               <u-icon
                   :name="uploadIcon"
                   size="26"
                   :color="uploadIconColor"
               ></u-icon>
               <text
                   v-if="uploadText"
                   class="u-upload__button__text"
               >{{ uploadText }}</text>
            </view>
         </template>
      </view>

   </view>
</template>

<script>
   import {
      chooseFile
   } from './utils';
   import mixin from './mixin.js';
   import props from './props.js';

   /**
    * upload 上传
    * @description 该组件用于上传图片场景
    * @tutorial https://uviewui.com/components/upload.html
    * @property {String}         accept            接受的文件类型, 可选值为all media image file video （默认 'image' ）
    * @property {String | Array}   capture            图片或视频拾取模式，当accept为image类型时设置capture可选额外camera可以直接调起摄像头（默认 ['album', 'camera'] ）
    * @property {Boolean}         compressed         当accept为video时生效，是否压缩视频，默认为true（默认 true ）
    * @property {String}         camera            当accept为video时生效，可选值为back或front（默认 'back' ）
    * @property {Number}         maxDuration         当accept为video时生效，拍摄视频最长拍摄时间，单位秒（默认 60 ）
    * @property {String}         uploadIcon         上传区域的图标，只能内置图标（默认 'camera-fill' ）
    * @property {String}         uploadIconColor      上传区域的图标的字体颜色，只能内置图标（默认 #D3D4D6 ）
    * @property {Boolean}         useBeforeRead      是否开启文件读取前事件（默认 false ）
    * @property {Boolean}         previewFullImage   是否显示组件自带的图片预览功能（默认 true ）
    * @property {String | Number}   maxCount         最大上传数量（默认 52 ）
    * @property {Boolean}         disabled         是否启用（默认 false ）
    * @property {String}         imageMode         预览上传的图片时的裁剪模式，和image组件mode属性一致（默认 'aspectFill' ）
    * @property {String}         name            标识符，可以在回调函数的第二项参数中获取
    * @property {Array}         sizeType         所选的图片的尺寸, 可选值为original compressed（默认 ['original', 'compressed'] ）
    * @property {Boolean}         multiple         是否开启图片多选，部分安卓机型不支持 （默认 false ）
    * @property {Boolean}         deletable         是否展示删除按钮（默认 true ）
    * @property {String | Number}   maxSize            文件大小限制，单位为byte （默认 Number.MAX_VALUE ）
    * @property {Array}         fileList         显示已上传的文件列表
    * @property {String}         uploadText         上传区域的提示文字
    * @property {String | Number}   width            内部预览图片区域和选择图片按钮的区域宽度（默认 80 ）
    * @property {String | Number}   height            内部预览图片区域和选择图片按钮的区域高度（默认 80 ）
    * @property {Object}         customStyle         组件的样式，对象形式
    * @event {Function} afterRead      读取后的处理函数
    * @event {Function} beforeRead      读取前的处理函数
    * @event {Function} oversize      文件超出大小限制
    * @event {Function} clickPreview   点击预览图片
    * @event {Function} delete       删除图片
    * @example <u-upload :action="action" :fileList="fileList" ></u-upload>
    */
   export default {
      name: "u-upload",
      mixins: [uni.$u.mpMixin, uni.$u.mixin, mixin,props],
      data() {
         return {
            // #ifdef APP-NVUE
            successIcon: 'data:image/png;base64,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',
            // #endif
            lists: [],
            isInCount: true,
         }
      },
      watch: {
         // 监听文件列表的变化，重新整理内部数据
         fileList: {
            immediate: true,
            handler() {
               this.formatFileList()
            }
         },
      },
      methods: {
         formatFileList() {
            const {
               fileList = [], maxCount
            } = this;
            const lists = fileList.map((item) =>
               Object.assign(Object.assign({}, item), {
                  // 如果item.url为本地选择的blob文件的话，无法判断其为video还是image，此处优先通过accept做判断处理
                  isImage: this.accept === 'image' || uni.$u.test.image(item.url || item.thumb),
                  isVideo: this.accept === 'video' || uni.$u.test.video(item.url || item.thumb),
                  deletable: typeof(item.deletable) === 'boolean' ? item.deletable : this.deletable,
               })
            );
            this.lists = lists
            this.isInCount = lists.length < maxCount
         },
         chooseFile() {
            const {
               maxCount,
               multiple,
               lists,
               disabled
            } = this;
            if (disabled) return;
            // 如果用户传入的是字符串，需要格式化成数组
            let capture;
            try {
               capture = uni.$u.test.array(this.capture) ? this.capture : this.capture.split(',');
            }catch(e) {
               capture = [];
            }
            chooseFile(
                  Object.assign({
                     accept: this.accept,
                     multiple: this.multiple,
                     capture: capture,
                     compressed: this.compressed,
                     maxDuration: this.maxDuration,
                     sizeType: this.sizeType,
                     camera: this.camera,
                  }, {
                     maxCount: maxCount - lists.length,
                  })
               )
               .then((res) => {
                  this.onBeforeRead(multiple ? res : res[0]);
               })
               .catch((error) => {
                  this.$emit('error', error);
               });
         },
         // 文件读取之前
         onBeforeRead(file) {
            const {
               beforeRead,
               useBeforeRead,
            } = this;
            let res = true
            // beforeRead是否为一个方法
            if (uni.$u.test.func(beforeRead)) {
               // 如果用户定义了此方法，则去执行此方法，并传入读取的文件回调
               res = beforeRead(file, this.getDetail());
            }
            if (useBeforeRead) {
               res = new Promise((resolve, reject) => {
                  this.$emit(
                     'beforeRead',
                     Object.assign(Object.assign({
                        file
                     }, this.getDetail()), {
                        callback: (ok) => {
                           ok ? resolve() : reject();
                        },
                     })
                  );
               });
            }
            if (!res) {
               return;
            }
            if (uni.$u.test.promise(res)) {
               res.then((data) => this.onAfterRead(data || file));
            } else {
               this.onAfterRead(file);
            }
         },
         getDetail(index) {
            return {
               name: this.name,
               index: index == null ? this.fileList.length : index,
            };
         },
         onAfterRead(file) {
            const {
               maxSize,
               afterRead
            } = this;
            const oversize = Array.isArray(file) ?
               file.some((item) => item.size > maxSize) :
               file.size > maxSize;
            if (oversize) {
               this.$emit('oversize', Object.assign({
                  file
               }, this.getDetail()));
               return;
            }
            if (typeof afterRead === 'function') {
               afterRead(file, this.getDetail());
            }
            this.$emit('afterRead', Object.assign({
               file
            }, this.getDetail()));
         },
         deleteItem(index) {
            this.$emit(
               'delete',
               Object.assign(Object.assign({}, this.getDetail(index)), {
                  file: this.fileList[index],
               })
            );
         },
         // 预览图片
         onPreviewImage(item) {
            if (!item.isImage || !this.previewFullImage) return
            uni.previewImage({
               // 先filter找出为图片的item，再返回filter结果中的图片url
               urls: this.lists.filter((item) => this.accept === 'image' || uni.$u.test.image(item.url || item.thumb)).map((item) => item.url || item.thumb),
               current: item.url || item.thumb,
               fail() {
                  uni.$u.toast('预览图片失败')
               },
            });
         },
         onPreviewVideo(event) {
            if (!this.data.previewFullImage) return;
            const {
               index
            } = event.currentTarget.dataset;
            const {
               lists
            } = this.data;
            wx.previewMedia({
               sources: lists
                  .filter((item) => isVideoFile(item))
                  .map((item) =>
                     Object.assign(Object.assign({}, item), {
                        type: 'video'
                     })
                  ),
               current: index,
               fail() {
                  uni.$u.toast('预览视频失败')
               },
            });
         },
         onClickPreview(event) {
            const {
               index
            } = event.currentTarget.dataset;
            const item = this.data.lists[index];
            this.$emit(
               'clickPreview',
               Object.assign(Object.assign({}, item), this.getDetail(index))
            );
         }
      }
   }
</script>

<style lang="scss" scoped>
   @import '../../libs/css/components.scss';
   $u-upload-preview-border-radius: 2px !default;
   $u-upload-preview-margin: 0 8px 8px 0 !default;
   $u-upload-image-width:80px !default;
   $u-upload-image-height:$u-upload-image-width;
   $u-upload-other-bgColor: rgb(242, 242, 242) !default;
   $u-upload-other-flex:1 !default;
   $u-upload-text-font-size:11px !default;
   $u-upload-text-color:$u-tips-color !default;
   $u-upload-text-margin-top:2px !default;
   $u-upload-deletable-right:0 !default;
   $u-upload-deletable-top:0 !default;
   $u-upload-deletable-bgColor:rgb(55, 55, 55) !default;
   $u-upload-deletable-height:14px !default;
   $u-upload-deletable-width:$u-upload-deletable-height;
   $u-upload-deletable-boder-bottom-left-radius:100px !default;
   $u-upload-deletable-zIndex:3 !default;
   $u-upload-success-bottom:0 !default;
   $u-upload-success-right:0 !default;
   $u-upload-success-border-style:solid !default;
   $u-upload-success-border-top-color:transparent !default;
   $u-upload-success-border-left-color:transparent !default;
   $u-upload-success-border-bottom-color: $u-success !default;
   $u-upload-success-border-right-color:$u-upload-success-border-bottom-color;
   $u-upload-success-border-width:9px !default;
   $u-upload-icon-top:0px !default;
   $u-upload-icon-right:0px !default;
   $u-upload-icon-h5-top:1px !default;
   $u-upload-icon-h5-right:0 !default;
   $u-upload-icon-width:16px !default;
   $u-upload-icon-height:$u-upload-icon-width;
   $u-upload-success-icon-bottom:-10px !default;
   $u-upload-success-icon-right:-10px !default;
   $u-upload-status-right:0 !default;
   $u-upload-status-left:0 !default;
   $u-upload-status-bottom:0 !default;
   $u-upload-status-top:0 !default;
   $u-upload-status-bgColor:rgba(0, 0, 0, 0.5) !default;
   $u-upload-status-icon-Zindex:1 !default;
   $u-upload-message-font-size:12px !default;
   $u-upload-message-color:#FFFFFF !default;
   $u-upload-message-margin-top:5px !default;
   $u-upload-button-width:80px !default;
   $u-upload-button-height:$u-upload-button-width;
   $u-upload-button-bgColor:rgb(244, 245, 247) !default;
   $u-upload-button-border-radius:2px !default;
   $u-upload-botton-margin: 0 8px 8px 0 !default;
   $u-upload-text-font-size:11px !default;
   $u-upload-text-color:$u-tips-color !default;
   $u-upload-text-margin-top: 2px !default;
   $u-upload-hover-bgColor:rgb(230, 231, 233) !default;
   $u-upload-disabled-opacity:.5 !default;

   .u-upload {
      @include flex(column);
      flex: 1;

      &__wrap {
         @include flex;
         flex-wrap: wrap;
         flex: 1;

         &__preview {
            border-radius: $u-upload-preview-border-radius;
            margin: $u-upload-preview-margin;
            position: relative;
            overflow: hidden;
            @include flex;

            &__image {
               width: $u-upload-image-width;
               height: $u-upload-image-height;
            }

            &__other {
               width: $u-upload-image-width;
               height: $u-upload-image-height;
               background-color: $u-upload-other-bgColor;
               flex: $u-upload-other-flex;
               @include flex(column);
               justify-content: center;
               align-items: center;

               &__text {
                  font-size: $u-upload-text-font-size;
                  color: $u-upload-text-color;
                  margin-top: $u-upload-text-margin-top;
               }
            }
         }
      }

      &__deletable {
         position: absolute;
         top: $u-upload-deletable-top;
         right: $u-upload-deletable-right;
         background-color: $u-upload-deletable-bgColor;
         height: $u-upload-deletable-height;
         width: $u-upload-deletable-width;
         @include flex;
         border-bottom-left-radius: $u-upload-deletable-boder-bottom-left-radius;
         align-items: center;
         justify-content: center;
         z-index: $u-upload-deletable-zIndex;

         &__icon {
            position: absolute;
            transform: scale(0.7);
            top: $u-upload-icon-top;
            right: $u-upload-icon-right;
            /* #ifdef H5 */
            top: $u-upload-icon-h5-top;
            right: $u-upload-icon-h5-right;
            /* #endif */
         }
      }

      &__success {
         position: absolute;
         bottom: $u-upload-success-bottom;
         right: $u-upload-success-right;
         @include flex;
         // 由于weex(nvue)为阿里巴巴的KPI(部门业绩考核)的laji产物，不支持css绘制三角形
         // 所以在nvue下使用图片，非nvue下使用css实现
         /* #ifndef APP-NVUE */
         border-style: $u-upload-success-border-style;
         border-top-color: $u-upload-success-border-top-color;
         border-left-color: $u-upload-success-border-left-color;
         border-bottom-color: $u-upload-success-border-bottom-color;
         border-right-color: $u-upload-success-border-right-color;
         border-width: $u-upload-success-border-width;
         align-items: center;
         justify-content: center;
         /* #endif */

         &__icon {
            /* #ifndef APP-NVUE */
            position: absolute;
            transform: scale(0.7);
            bottom: $u-upload-success-icon-bottom;
            right: $u-upload-success-icon-right;
            /* #endif */
            /* #ifdef APP-NVUE */
            width: $u-upload-icon-width;
            height: $u-upload-icon-height;
            /* #endif */
         }
      }

      &__status {
         position: absolute;
         top: $u-upload-status-top;
         bottom: $u-upload-status-bottom;
         left: $u-upload-status-left;
         right: $u-upload-status-right;
         background-color: $u-upload-status-bgColor;
         @include flex(column);
         align-items: center;
         justify-content: center;

         &__icon {
            position: relative;
            z-index: $u-upload-status-icon-Zindex;
         }

         &__message {
            font-size: $u-upload-message-font-size;
            color: $u-upload-message-color;
            margin-top: $u-upload-message-margin-top;
         }
      }

      &__button {
         @include flex(column);
         align-items: center;
         justify-content: center;
         width: $u-upload-button-width;
         height: $u-upload-button-height;
         background-color: $u-upload-button-bgColor;
         border-radius: $u-upload-button-border-radius;
         margin: $u-upload-botton-margin;
         /* #ifndef APP-NVUE */
         box-sizing: border-box;
         /* #endif */

         &__text {
            font-size: $u-upload-text-font-size;
            color: $u-upload-text-color;
            margin-top: $u-upload-text-margin-top;
         }

         &--hover {
            background-color: $u-upload-hover-bgColor;
         }

         &--disabled {
            opacity: $u-upload-disabled-opacity;
         }
      }
   }
</style>