在Nodejs中将流解析为对象

Question

我正在尝试从 Node.Js中的Amazon S3存储中获取对象.

当我将它保存到文件时,这完全有效.

amazon.getObject = function () {

    var options = {
        BucketName : 'mybucket',
        ObjectName : 'path/to/my.json',
        ResponseContentType : 'application/json'
    };

    s3.GetObject(options, function(err, data) {
        var fs = require('fs');
        var fd = fs.openSync('helloaa.json', 'w+');
        fs.writeSync(fd, data.Body, 0, data.Body.length, 0);
        fs.closeSync(fd);
    });

};

在.helloaa.json是:

{
    "hello": 1,
    "world": 3
}

但.我不想将数据写入磁盘上的文件.

我想用JSON.parse()解析这个json对象;

当我在那里打印对象:

    s3.GetObject(options, function(err, data) {
        console.log(JSON.stringify(data));
    });

在控制台是这样的:

{"StatusCode":200,"Headers":{"x-amz-id-2":"N1gDLPam+fDCLWd9Q2NI62hizH7eXAjg
61oLYOkanLoSlqUlDl6tqasbfdQXZ","x-amz-request-id":"C53957DAF635D3FD","date"
:"Mon, 31 Dec 2012 00:11:48 GMT","last-modified":"Sun, 30 Dec 2012 23:22:57        "etag":"\"8677a54c9b693bb6fc040ede8cc6a\"","accept-ranges":"bytes","co
ntent-type":"application/json","content-length":"176","server":"AmazonS3"},
"Body":{"0":123,"1":10,"2":32,"3":32,"4":32,"5":32,"6":34,"7":105,"8":100,"
9":34,"10":58,"11":32,"12":49,"13":44,"14":10,"15":32,"16":32,"17":32,"18":

它是什么？

我该如何解析它？

它流吗？

我可以将节点保存到NodeJ中的对象吗？

Answer 1

你试过data.Body.toString()吗？

Answer 2

转换为字符串后我不得不解析JSON:

    var fileContents = data.Body.toString();
    var json = JSON.parse(fileContents);
    console.log(json);