dingyong0214 / thorui-uniapp Goto Github PK

<template>
  <view class="tui-container">
    <view class="tui-upload-box">
      <view class="tui-image-item" v-for="(item,index) in imageList" :key="index">
        <image
          :src="item.image"
          class="tui-item-img"
          @click.stop="previewImage(index)"
          mode="aspectFill"
        />
        <view v-if="!forbidDel" class="tui-img-del" @click.stop="delImage(index)"></view>
        <view v-if="imageList[index].state!='uploaded'" class="tui-upload-mask">
          <view class="tui-upload-loading" v-if="imageList[index].state == 'uploading'"></view>
          <text class="tui-tips">{{getStateText(index)}}</text>
          <view
            class="tui-mask-btn"
            v-if="imageList[index].state=='fail'"
            @click.stop="reUpload(index)"
            hover-class="tui-hover"
            :hover-stay-time="150"
          >重新上传</view>
        </view>
      </view>
      <view v-if="isShowAdd" class="tui-upload-add" @click="chooseImage">
        <view class="tui-upload-icon tui-icon-plus"></view>
      </view>
    </view>
  </view>
</template>
<script lang="ts">
import Vue from "vue";
import { Component, Prop, Model, Emit, Watch } from "vue-property-decorator";
import { httpClient } from "../../core/httpclient";
@Component
export default class MultiImgUpload extends Vue {
  /** v-model 的值 */
  @Model("change", { type: Array, default: () => [] })
  value!: string[];

  /**上传地址 */
  @Prop({ type: String, default: `/api/upload/image` })
  uploadApi!: string;

  /**禁止删除 */
  @Prop({ type: Boolean, default: false })
  forbidDel!: boolean;

  /**禁止添加 */
  @Prop({ type: Boolean, default: false })
  forbidAdd!: boolean;

  /** 限制数量 */
  @Prop({ type: Number, default: 9 })
  limit!: number;

  /**上传时表单字段的名字 默认 file */
  @Prop({ type: String, default: "file" })
  filedName!: string;

  /** 服务端api 返回的json种的字段 默认 data */
  @Prop({ type: String, default: "data" })
  outField!: string;

  @Emit("change")
  emitChange(val: string[]) {
    return val;
  }

  @Emit("add")
  emitAdd(newFile: string) {
    this.emitChange(
      this.imageList
        .filter(x => x.state == "uploaded")
        .map(x => x.value as string)
    );
    return newFile;
  }

  @Emit("delete")
  emitDelete(file: string) {
    this.emitChange(
      this.imageList
        .filter(x => x.state == "uploaded")
        .map(x => x.value as string)
    );
    return file;
  }

  imageList: ImageItem[] = [];

  get isShowAdd() {
    let isShow = true;
    if (this.forbidAdd || (this.limit && this.imageList.length >= this.limit)) {
      isShow = false;
    }
    return isShow;
  }

  mounted() {
    if (this.imageList.length > this.value.length) {
      this.imageList.length = this.value.length; // 切掉多的
    }
    for (let i = 0; i < this.value.length; i++) {
      let img = this.imageList[i] ?? new ImageItem();
      img.value = this.value[i];
      img.state = "uploaded";
    }
  }

  getStateText(index: number) {
    let img = this.imageList[index];
    let txt = "";
    switch (img.state) {
      case "pre":
        txt = "准备上传";
        break;
      case "uploading":
        txt = "上传中...";
        break;
      case "uploaded":
        txt = "上传完成";
        break;
      case "fail":
        txt = "上传失败";
        break;
    }
    return txt;
  }

  chooseImage() {
    uni.chooseImage({
      count: this.limit - this.imageList.length,
      success: e => {
        let imageArr: ImageItem[] = [];
        for (let i = 0; i < e.tempFilePaths!.length; i++) {
          let len = this.imageList.length;
          if (len >= this.limit) {
            uni.showToast({
              title: `最多可上传${this.limit}张图片`,
              icon: "none"
            });
            break;
          }
          let path = e.tempFilePaths![i] as string;
          let item = new ImageItem();
          item.preValue = path;
          item.state = "pre";
          imageArr.push(item);
          this.imageList.push(item);
        }
        //this.change();
        for (let item of imageArr) {
          this.uploadImage(item); // 不等待，并行上传
        }
      }
    });
  }

  reUpload(index: number) {
    let img = this.imageList[index];
    this.uploadImage(img);
  }

  /**上传单个照片 */
  uploadImage(img: ImageItem) {
    img.state = "uploading";
    if (this.uploadApi == null || this.uploadApi == "") {
      img.state = "uploaded";
      return;
    }
    httpClient
      .uploadFile<ApiResult<string>>(this.uploadApi, {
        filePath: img.preValue,
        fileType: "image",
        name: this.filedName
      })
      .then(x => {
        if (x.data.successed) {
          img.state = "uploaded";
          img.value = (x.data as any)[this.OutField] as string;
          this.emitAdd(img.value);
        } else {
          img.state = "fail";
        }
      })
      .catch(err => {
        console.log(err);
        img.state = "fail";
      });
  }

  delImage(index: number) {
    let item = this.imageList[index];
    this.imageList.splice(index, 1);
    if (item.state == "uploaded") {
      this.emitDelete(item.value as string);
    }
  }

  previewImage(index: number) {
    let item = this.imageList[index];
    uni.previewImage({
      current: item.image,
      loop: true,
      urls: this.imageList.map(x => x.image)
    });
  }
}

class ImageItem {
  value?: string;
  preValue?: string;
  state: UpStates = "uploaded";
  get image() {
    return this.value ?? this.preValue;
  }
}
type UpStates = "pre" | "uploading" | "uploaded" | "fail";
</script>
<style lang="scss" scoped>
@font-face {
  font-family: "tuiUpload";
  src: url(data:application/font-woff;charset=utf-8;base64,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)
    format("woff");
  font-weight: normal;
  font-style: normal;
}
.tui-upload-icon {
  font-family: "tuiUpload" !important;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: 10rpx;
}
.tui-icon-delete:before {
  content: "\e601";
}
.tui-icon-plus:before {
  content: "\e609";
}
.tui-upload-box {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}
.tui-upload-add {
  width: 220rpx;
  height: 220rpx;
  font-size: 68rpx;
  font-weight: 100;
  color: #888;
  background-color: #f7f7f7;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.tui-image-item {
  width: 220rpx;
  height: 220rpx;
  position: relative;
  margin-right: 20rpx;
  margin-bottom: 20rpx;
}
.tui-image-item:nth-of-type(3n) {
  margin-right: 0;
}
.tui-item-img {
  width: 220rpx;
  height: 220rpx;
  display: block;
}
.tui-img-del {
  width: 36rpx;
  height: 36rpx;
  position: absolute;
  right: -12rpx;
  top: -12rpx;
  background: #eb0909;
  border-radius: 50%;
  color: white;
  font-size: 34rpx;
  z-index: 999;
}
.tui-img-del::before {
  content: "";
  width: 16rpx;
  height: 1px;
  position: absolute;
  left: 10rpx;
  top: 18rpx;
  background: #fff;
}
.tui-upload-mask {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  padding: 40rpx 0;
  box-sizing: border-box;
  background: rgba(0, 0, 0, 0.6);
}
.tui-upload-loading {
  width: 28rpx;
  height: 28rpx;
  border-radius: 50%;
  border: 2px solid;
  border-color: #b2b2b2 #b2b2b2 #b2b2b2 #fff;
  animation: tui-rotate 0.7s linear infinite;
}
@keyframes tui-rotate {
  0% {
    transform: rotate(0);
  }
  100% {
    transform: rotate(360deg);
  }
}
.tui-tips {
  font-size: 26rpx;
  color: #fff;
}
.tui-mask-btn {
  padding: 6rpx 16rpx;
  border-radius: 40rpx;
  text-align: center;
  font-size: 24rpx;
  color: #fff;
  border: 1rpx solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tui-hover {
  opacity: 0.5;
}
</style>