Nest 中的 multer ​

@Post('aaa')
@UseInterceptors(FileInterceptor('aaa', {
    dest: 'uploads'
}))
uploadFile(@UploadedFile() file: Express.Multer.File, @Body() body) {
    console.log('body', body);
    console.log('file', file);
}

@Post('bbb')
@UseInterceptors(FilesInterceptor('bbb', 3, {
    dest: 'uploads'
}))
uploadFiles(@UploadedFiles() files: Array<Express.Multer.File>, @Body() body) {
    console.log('body', body);
    console.log('files', files);
}

@Post('ccc')
@UseInterceptors(FileFieldsInterceptor([
    { name: 'aaa', maxCount: 2 },
    { name: 'bbb', maxCount: 3 },
], {
    dest: 'uploads'
}))
uploadFileFields(@UploadedFiles() files: { aaa?: Express.Multer.File[], bbb?: Express.Multer.File[] }, @Body() body) {
    console.log('body', body);
    console.log('files', files);
}

@Post('ddd')
@UseInterceptors(AnyFilesInterceptor({
    dest: 'uploads'
}))
uploadAnyFiles(@UploadedFiles() files: Array<Express.Multer.File>, @Body() body) {
    console.log('body', body);
    console.log('files', files);
}