使用JavaScript解析JSON

Question

也许有人可以帮助我朝着正确的方向迈进吗？ 非常感谢任何提示。

 var credentials = { steam: {}, rpc: {} };
 var rawCredentials = JSON.parse(fs.readFileSync("auth.json", { "encoding": "utf8" }));
 credentials.steam.accountName = rawCredentials.steam.accountName;
 credentials.steam.password = rawCredentials.steam.password;
 credentials.steam.shaSentryfile = new Buffer(rawCredentials.steam.shaSentryfile, "hex");
 credentials.rpc.username = rawCredentials.rpc.username;
 credentials.rpc.password = rawCredentials.rpc.password;

auth.json文件

 {
 "credentials.steam.accountName": "XXX",
 "credentials.steam.password": "XXX",
 }

无法读取未定义的属性'accountName'

- LoveToLearn2.0

Answer 1

您的属性关键字实际上是 "credentials.steam.accountName"。您不能使用点记法遍历对象“credentials”或“steam”，因为它们不是对象。要访问值，请使用：rawCredentials['credentials.steam.accountName']。

编辑：如果您想使用rawCredentials.credentials.steam.accountName，您的JSON必须如下所示：

rawCredentials = {
  credentials: {
    steam: {accountName: 'foo', ...}
  }
}

- Sebastian S

---

设计良好的 JSON 文档具有与 JavaScript 兼容的键，以避免出现这种混乱。 - tadman

Answer 2

在你的JSON文件中，这些是包含点号的完整属性名，而不是实际嵌套的对象。

另外，你忘记了.credentials部分。相反，使用括号表示法：

credentials.steam.accountName = rawCredentials["credentials.steam.accountName"];
credentials.steam.password = rawCredentials["credentials.steam.password"];

（或重构你的JSON）

- Bergi

Answer 3

我不知道是否会是问题的原因，但你的auth.json文件存在语法错误：

{
  "credentials.steam.accountName": "XXX",
  "credentials.steam.password": "XXX"
}

- Sebastian Gabriel Vinci