异步函数转为promise.fromStream(fileStream,{headers:true}).on('data',(data)=>{allDatas.push(data);}).on('end',async()=>{result(allDatas);});});}

异步函数转为promise.fromStream(fileStream,{headers:true}).on('data',(data)=>{allDatas.push(data);}).on('end',async()=>{result(allDatas);});});}