knk/es/components/basic/view/rms_files_down.js

react components based on react

import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
import _createClass from "@babel/runtime/helpers/esm/createClass";
import _assertThisInitialized from "@babel/runtime/helpers/esm/assertThisInitialized";
import _inherits from "@babel/runtime/helpers/esm/inherits";
import _createSuper from "@babel/runtime/helpers/esm/createSuper";
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { Spin, message } from 'antd';
import { serialize } from '../../../common/tool';
import fetchJsonp from 'fetch-jsonp';
function getUploadDownloadInfo(key, path) {
  var pathUrl = path;
  if (key) {
    pathUrl += (/\?/.test(path) ? '&' : '?') + serialize({
      key: key
    });
  }
  return fetchJsonp(pathUrl, {
    jsonpCallback: 'jsonpCallback'
  }).then(function (response) {
    return response.json();
  });
}
var RmsFilesDown = /*#__PURE__*/function (_Component) {
  _inherits(RmsFilesDown, _Component);
  var _super = _createSuper(RmsFilesDown);
  function RmsFilesDown(props) {
    var _this;
    _classCallCheck(this, RmsFilesDown);
    _this = _super.call(this, props);
    _this.state = {
      redirectUrl: '',
      loading: true
    };
    _this.open = true;
    _this.handleFetchDownUrl = _this.handleFetchDownUrl.bind(_assertThisInitialized(_this));
    return _this;
  }
  _createClass(RmsFilesDown, [{
    key: "componentDidUpdate",
    value: function componentDidUpdate(preProps) {
      var url = this.props.url;
      if (url !== preProps.url) {
        this.handleFetchDownUrl();
      }
    }
  }, {
    key: "componentDidMount",
    value: function componentDidMount() {
      this.handleFetchDownUrl();
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      this.open = false;
    }
  }, {
    key: "render",
    value: function render() {
      var _this$state = this.state,
        redirectUrl = _this$state.redirectUrl,
        loading = _this$state.loading;
      var _this$props = this.props,
        content = _this$props.content,
        showTip = _this$props.showTip;
      return /*#__PURE__*/React.createElement(Spin, {
        spinning: loading,
        tip: showTip || ''
      }, redirectUrl ? /*#__PURE__*/React.createElement("a", {
        href: redirectUrl,
        target: "__blank",
        download: true
      }, content) : null);
    }
  }, {
    key: "handleFetchDownUrl",
    value: function handleFetchDownUrl() {
      var _this2 = this;
      var _this$props2 = this.props,
        url = _this$props2.url,
        filename = _this$props2.filename,
        uploadTokenURI = _this$props2.uploadTokenURI;
      var apiPath = "".concat(uploadTokenURI, "/getDownloadParamJsonp");
      if (!url.match(/\?key=(.+)/)) {
        this.setState({
          loading: false,
          redirectUrl: url
        });
        return;
      }
      var decodeUrl = decodeURIComponent(url.match(/\?key=(.+)/)[1]);
      getUploadDownloadInfo(decodeUrl, apiPath).then(function (data) {
        var file = data.data;
        var fileType = file.mimetype.split('/')[1];
        var downName = /\..+/.test(filename) ? filename : "".concat(filename, ".").concat(fileType); // 如果传入的filename已经包含后缀名
        if (_this2.open) {
          _this2.setState({
            loading: false,
            redirectUrl: file.mimetype.split('/')[0] === 'image' ? "".concat(file.downloadUrl, "?attname=").concat(encodeURIComponent(downName)) : file.downloadUrl
          });
        }
      }).catch(function (err) {
        _this2.setState({
          loading: false
        });
        message.error("\u83B7\u53D6\u4E0B\u8F7D\u5730\u5740\u5931\u8D25:".concat(err.message));
      });
    }
  }]);
  return RmsFilesDown;
}(Component);
RmsFilesDown.propTypes = {
  url: PropTypes.string.isRequired,
  // 文件地址
  content: PropTypes.object.isRequired,
  filename: PropTypes.string.isRequired,
  showTip: PropTypes.string
};
export default RmsFilesDown;