选择文件

const {join, basename// 拿到文件名, extname// 文件拓展名, dirname// 文件的路径} = window.require('path')
const {remote} = window.require('electron')
remote.dialog.showOpenDialog({
      title: '选择导入的markdown文件',
      properties: ['openFile', 'multiSelections'],
      filters: [
        {
          name: 'Markdown files',
          extensions: ['md']
        }
      ]
    }).then(res => {
      if (Array.isArray(res.filePaths)) {
        // filter files had beed shown in fileList
        const filteredPaths = res.filePaths.filter(path => {
          const alreadyAddedFile = Object.values(files).find(file => {
            return file.path === path
          })
          return !alreadyAddedFile
        })
        // 转成需要格式的数组
        const importFilesArr = filteredPaths.map(path => {
          return {
            id: uuidv4(),
            title: basename(path, extname(path)), // 拿到文件名 没有后缀名
            path
          }
        })
        const newFiles = {...files, ...flattenArr(importFilesArr)}
        setFiles(newFiles)
        saveFilesToStore(newFiles)
        if (importFilesArr.length) {
          remote.dialog.showMessageBox({
            type:'info',
            message: `成功导入了${importFilesArr.length}个文件`,
            title: '提示'
          })
        }
      }
    })