{/* 渲染文件上传组件 */}
 <Upload {...this.getPdfURL()} showUploadList={false}>
  <Button>
  <Icon type="upload" /> 上传文件
  </Button>
 </Upload>

getPdfURL = () =>{
  const _this = this;
  const props = {
   name: 'file',
   action: AjaxUrl + 'data/modelFileUpload.svt"application/msword,application/vnd.openxmlformats-officedocument.wordprocessingml.document",{/*接受上传的文件类型：此处为.doc格式*/}
   headers: {
    authorization: 'authorization-text',
   },
   onChange(info) {//上传文件改变时的状态
    if (info.file.status !== 'uploading') {
     console.log(info.file, info.fileList);
    }
    if (info.file.status === 'done') {
     message.success(`${info.file.name} 上传成功！`);
     _this.setState({
      pdfUrl:AjaxUrl + info.file.response.url,
      wordName:info.file.response.wordName
     })
 
    } else if (info.file.status === 'error') {
     message.error(`${info.file.name} 上传失败！`);
    }
   },
  };
  return props;
 }

<Upload
  accept="application/msword,application/vnd.openxmlformats-officedocument.wordprocessingml.document"
  customRequest={this.customRequest}
  beforeUpload = {this.beforeUpload}
  fileList={this.state.fileList}
    >
  <Button>
  <Icon type='upload' />上传
  </Button>
</Upload>

customRequest = (option)=> {
   const formData = new FormData();
   const fileUrl = AjaxUrl+"data/fileUpload.svt";
   formData.append('files[]',option.file);
   
   reqwest({ /*官网解释：It's AJAX
      All over again. Includes support
      for xmlHttpRequest, JSONP, CORS,
       and CommonJS Promises A.*/
   url: fileUrl,
   method: 'post',
   processData: false,
   data: formData,
   success: (res) => {
    //res为文件上传成功之后返回的信息，res.responseText为接口返回的值
    let fileInfo = JSON.parse(res.responseText);
    if(res){
    this.setState({
     fileInfo:fileInfo,
     loading: false,
     uploading: false,
     defaultFile:false
    })
    }
    
   },
   error: () => {
    this.setState({
     loading: false,
     uploading: false
    })
    message.error("文件上传失败！");
   },
   });
  }

fileList.forEach((value,index)=>{
 formData.append("file",value)
})