jsh_erp/jshERP-web/src/components/jeecg/JImageUpload.vue

<template>
  <a-upload
    name="file"
    listType="picture-card"
    :multiple="isMultiple"
    :action="uploadAction"
    :headers="headers"
    :data="{ biz: bizPath }"
    :fileList="fileList"
    :beforeUpload="beforeUpload"
    :disabled="disabled"
    :isMultiple="isMultiple"
    :showUploadList="isMultiple"
    @change="handleChange"
    @preview="handlePreview"
  >
    <img v-if="!isMultiple && picUrl" :src="getAvatarView()" style="height: 104px; max-width: 300px" />
    <div v-else>
      <a-icon :type="uploadLoading ? 'loading' : 'plus'" />
      <div class="ant-upload-text">{{ text }}</div>
    </div>
    <a-modal :visible="previewVisible" :width="1000" :footer="null" @cancel="handleCancel()">
      <img alt="example" style="width: 100%" :src="previewImage" />
    </a-modal>
  </a-upload>
</template>

<script>
import Vue from 'vue'
import { ACCESS_TOKEN } from '@/store/mutation-types'
import { getFileAccessHttpUrl } from '@/api/manage'
import { fileSizeLimit } from '@/api/api'

const uidGenerator = () => {
  return '-' + parseInt(Math.random() * 10000 + 1, 10)
}
const getFileName = (path) => {
  if (path.lastIndexOf('\\') >= 0) {
    let reg = new RegExp('\\\\', 'g')
    path = path.replace(reg, '/')
  }
  return path.substring(path.lastIndexOf('/') + 1)
}
export default {
  name: 'JImageUpload',
  data() {
    return {
      uploadAction: window._CONFIG['domianURL'] + '/systemConfig/upload',
      uploadLoading: false,
      picUrl: false,
      headers: {},
      fileList: [],
      previewImage: '',
      previewVisible: false,
      sizeLimit: 0,
      uploadGoOn: true,
    }
  },
  props: {
    text: {
      type: String,
      required: false,
      default: '上传',
    },
    /*这个属性用于控制文件上传的业务路径*/
    bizPath: {
      type: String,
      required: false,
      default: 'temp',
    },
    value: {
      type: [String, Array],
      required: false,
    },
    disabled: {
      type: Boolean,
      required: false,
      default: false,
    },
    isMultiple: {
      type: Boolean,
      required: false,
      default: false,
    },
    returnUrl: {
      type: Boolean,
      required: false,
      default: true,
    },
  },
  watch: {
    value: {
      immediate: true,
      handler() {
        let val = this.value
        if (val instanceof Array) {
          if (this.returnUrl) {
            this.initFileList(val.join(','))
          } else {
            this.initFileListArr(val)
          }
        } else {
          this.initFileList(val)
        }
      },
    },
  },
  created() {
    this.initFileSizeLimit()
    const token = Vue.ls.get(ACCESS_TOKEN)
    this.headers = { 'X-Access-Token': token }
  },
  methods: {
    initFileSizeLimit() {
      fileSizeLimit().then((res) => {
        if (res.code === 200) {
          this.sizeLimit = res.data
        }
      })
    },
    initFileListArr(val) {
      if (!val || val.length == 0) {
        this.fileList = []
        return
      }
      let fileList = []
      for (var a = 0; a < val.length; a++) {
        let url = getFileAccessHttpUrl(val[a].filePath)
        fileList.push({
          uid: uidGenerator(),
          name: val[a].fileName,
          status: 'done',
          url: url,
          response: {
            code: 'history',
            data: val[a].filePath,
          },
        })
      }
      this.fileList = fileList
    },
    initFileList(paths) {
      if (!paths || paths.length == 0) {
        this.fileList = []
        this.picUrl = false
        return
      }
      this.picUrl = true
      let fileList = []
      let arr = paths.split(',')
      for (var a = 0; a < arr.length; a++) {
        let url = getFileAccessHttpUrl('' + arr[a])
        fileList.push({
          uid: uidGenerator(),
          name: getFileName(arr[a]),
          status: 'done',
          url: url,
          response: {
            code: 'history',
            data: arr[a],
          },
        })
      }
      this.fileList = fileList
      console.log('------------------21312', this.fileList)
    },
    beforeUpload: function (file) {
      this.uploadGoOn = true
      let fileType = file.type
      let fileSize = file.size
      if (fileType.indexOf('image') < 0) {
        this.$message.warning('请上传图片')
        this.uploadGoOn = false
        return false
      }
      //验证文件大小
      if (fileSize > this.sizeLimit / 10) {
        let parseSizeLimit = (this.sizeLimit / 1024 / 1024 / 10).toFixed(2)
        this.$message.warning('抱歉，图片大小不能超过' + parseSizeLimit + 'M')
        this.uploadGoOn = false
        return false
      }
      return true
    },
    handleChange(info) {
      console.log('--文件列表改变--')
      if (!info.file.status && this.uploadGoOn === false) {
        info.fileList.pop()
      }
      this.picUrl = false
      let fileList = info.fileList
      if (info.file.status === 'done') {
        if (info.file.response.code === 200) {
          this.picUrl = true
          fileList = fileList.map((file) => {
            if (file.response) {
              file.url = file.response.data
            }
            return file
          })
        }
        //this.$message.success(`${info.file.name} 上传成功!`);
      } else if (info.file.status === 'error') {
        this.$message.error(`${info.file.name} 上传失败.`)
      } else if (info.file.status === 'removed') {
        this.handleDelete(info.file)
      }
      this.fileList = fileList
      if (info.file.status === 'done' || info.file.status === 'removed') {
        this.handlePathChange()
      }
    },
    // 预览
    handlePreview(file) {
      this.previewImage = file.url || file.thumbUrl
      this.previewVisible = true
    },
    getAvatarView() {
      if (this.fileList.length > 0) {
        let url = this.fileList[0].url
        return url
      }
    },
    handlePathChange() {
      let uploadFiles = this.fileList
      let path = ''
      if (!uploadFiles || uploadFiles.length == 0) {
        path = ''
      }
      let arr = []
      if (!this.isMultiple) {
        arr.push(uploadFiles[uploadFiles.length - 1].response.data)
      } else {
        for (var a = 0; a < uploadFiles.length; a++) {
          arr.push(uploadFiles[a].response.data)
        }
      }
      if (arr.length > 0) {
        path = arr.join(',')
      }
      this.$emit('change', path)
    },
    handleDelete(file) {
      //如有需要新增 删除逻辑
      console.log(file)
    },
    handleCancel() {
      this.close()
      this.previewVisible = false
    },
    close() {},
  },
  model: {
    prop: 'value',
    event: 'change',
  },
}
</script>

<style scoped></style>