Project_yhfu/src/views/eventLogUpload.vue

<template>
  <div class="upload-file">
    <el-dialog title="文件上传" :visible.sync="showEventLogUpload" v-if="showEventLogUpload" width="770px"
               style="height: 700px;">
      <el-upload
        multiple
        :action="uploadFileUrl"
        :before-upload="handleBeforeUpload"
        :file-list="fileList"
        :limit="limit"
        :on-error="handleUploadError"
        :on-exceed="handleExceed"
        :on-success="handleUploadSuccess"
        :show-file-list="false"
        :headers="headers"
        class="upload-file-uploader"
        ref="upload"
      >
        <!-- 上传按钮 -->
        <el-button size="mini" type="primary">选取文件</el-button>
        <!-- 上传提示 -->
        <div class="el-upload__tip" slot="tip" v-if="showTip">
          请上传
          <template v-if="fileSize"> 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b></template>
<!--          <template v-if="fileType"> 格式为 <b style="color: #f56c6c">{{ fileType.join('/') }}</b></template>-->
          的文件
        </div>
      </el-upload>

      <!-- 文件列表 -->
      <transition-group class="upload-file-list el-upload-list el-upload-list--text" name="el-fade-in-linear" tag="ul">
        <li :key="file.url" class="el-upload-list__item ele-upload-list__item-content"
            v-for="(file, index) in fileList">
          <el-link :href="file.url" :underline="false" target="_blank">
            <span class="el-icon-document"> {{ getFileName(file.name) }} </span>
          </el-link>
          <div class="ele-upload-list__item-content-action">
            <el-link :underline="false" @click="handleDelete(index)" type="danger">删除</el-link>
          </div>
        </li>
      </transition-group>
      <!-- 确认上传 -->
      <el-button size="mini" type="primary" @click="submitUpload()">确认上传</el-button>
    </el-dialog>
  </div>
</template>

<script>
import { getToken } from '@/utils/auth'
import {
  eventLogUpload
} from '@/api/forest'

export default {
  name: 'FileUpload',
  props: {
    // 值
    value: [String, Object, Array],
    // 数量限制
    limit: {
      type: Number,
      default: 5
    },
    // 大小限制(MB)
    fileSize: {
      type: Number,
      default: 5
    },
    // // 文件类型, 例如['png', 'jpg', 'jpeg']
    // fileType: {
    //   type: Array,
    //   default: () => []
    // },
    // 是否显示提示
    isShowTip: {
      type: Boolean,
      default: true
    }
  },
  data() {
    return {
      eventCode:null,
      showEventLogUpload: false,
      number: 0,
      uploadList: [],
      uploadFileUrl: process.env.VUE_APP_BASE_API + '/file/upload', // 上传的图片服务器地址
      headers: {
        Authorization: 'Bearer ' + getToken()
      },
      fileList: []
    }
  },
  watch: {
    value: {
      handler(val) {
        if (val) {
          let temp = 1
          // 首先将值转为数组
          const list = Array.isArray(val) ? val : this.value.split(',')
          // 然后将数组转为对象数组
          this.fileList = list.map(item => {
            if (typeof item === 'string') {
              item = { name: item, url: item }
            }
            item.uid = item.uid || new Date().getTime() + temp++
            return item
          })
        } else {
          this.fileList = []
          return []
        }
      },
      deep: true,
      immediate: true
    }
  },
  computed: {
    // 是否显示提示
    showTip() {
      return this.isShowTip
    }
  },
  methods: {
    submitUpload() {
      let fileUrl=[]
      if(this.fileList!=null&&this.fileList.length>0){
        for (let i = 0; i < this.fileList.length; i++) {
          let file={attachPath:this.fileList[i].url,fileName:this.fileList[i].webName,busIndx: "bus_indx_forest",busSource: "PC"}
          fileUrl.push(file)
        }
      }else{
        this.$message.error(`请选择上传文件!`)
        return
      }
      let param={ eventCode:this.eventCode,operation:"bus_oper_type_2",operationType:"log_oper_type_1",fileList:fileUrl}
      //日志文件上传
      eventLogUpload(param).then(res => {
        if(res.code==200){
          this.$message.success(`上传成功!`);
          this.showEventLogUpload = false
          this.cancelEventLogUploadShow();
          this.$parent.refreshEventDialog(this.eventCode)
        }
      })
    },
    eventLogUpload(eventCode) {
      this.eventCode=eventCode
      //上传页面弹出
      this.showEventLogUpload = true
    },
    cancelEventLogUploadShow() {
      //关闭页面
      this.fileList = []
      this.uploadList = []
    },
    // 上传前校检格式和大小
    handleBeforeUpload(file) {
      // 校检文件类型
      if (false) {
        let fileExtension = ''
        if (file.name.lastIndexOf('.') > -1) {
          fileExtension = file.name.slice(file.name.lastIndexOf('.') + 1)
        }
        const isTypeOk = this.fileType.some((type) => {
          if (file.type.indexOf(type) > -1) return true
          if (fileExtension && fileExtension.indexOf(type) > -1) return true
          return false
        })
        if (!isTypeOk) {
          this.$modal.msgError(`文件格式不正确, 请上传${this.fileType.join('/')}格式文件!`)
          return false
        }
      }
      // 校检文件大小
      if (this.fileSize) {
        const isLt = file.size / 1024 / 1024 < this.fileSize
        if (!isLt) {
          this.$modal.msgError(`上传文件大小不能超过 ${this.fileSize} MB!`)
          return false
        }
      }
      this.$modal.loading('正在上传文件，请稍候...')
      this.number++
      return true
    },
    // 文件个数超出
    handleExceed() {
      this.$modal.msgError(`上传文件数量不能超过 ${this.limit} 个!`)
    },
    // 上传失败
    handleUploadError(err) {
      this.$modal.msgError('上传图片失败，请重试')
      this.$modal.closeLoading()
    },
    // 上传成功回调
    handleUploadSuccess(res) {
      this.uploadList.push({ name: res.data.url, url: res.data.url, webName: res.data.webName })
      if (this.uploadList.length === this.number) {
        this.fileList = this.fileList.concat(this.uploadList)
        this.uploadList = []
        this.number = 0
        this.$emit('input', this.listToString(this.fileList))
        this.$modal.closeLoading()
      }
    },
    // 删除文件
    handleDelete(index) {
      this.fileList.splice(index, 1)
      this.$emit('input', this.listToString(this.fileList))
    },
    // 获取文件名称
    getFileName(name) {
      if (name.lastIndexOf('/') > -1) {
        return name.slice(name.lastIndexOf('/') + 1)
      } else {
        return ''
      }
    },
    // 对象转成指定字符串分隔
    listToString(list, separator) {
      let strs = ''
      separator = separator || ','
      for (let i in list) {
        strs += list[i].url + separator
      }
      return strs != '' ? strs.substr(0, strs.length - 1) : ''
    }
  }
}
</script>

<style scoped lang="scss">
.upload-file-uploader {
  margin-bottom: 5px;
}

.upload-file-list .el-upload-list__item {
  border: 1px solid #e4e7ed;
  line-height: 2;
  margin-bottom: 10px;
  position: relative;
}

.upload-file-list .ele-upload-list__item-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: inherit;
}

.ele-upload-list__item-content-action .el-link {
  margin-right: 10px;
}
</style>