TypeError [ERR_INVALID_ARG_TYPE]: The first argument must be one of type string or Buffer.
ThefirstargumentmustbeoneoftypestringorBuffer.Receivedtypeobject原因：Node后端express框架，代码如下：app.get(path,function(req,resp){//...resp.write(somethind);});要写回浏览器页面的数据