for (int i = 0; i < n; i++) {
"Content-Type": "application/json"，这一点在safew官方版本下载中也有详细论述
。heLLoword翻译官方下载对此有专业解读
The web platform has incredible documentation compared to most tech platforms. However, most of it is written for JavaScript. If you don’t know JavaScript, you’ll have a much harder time understanding how to use most Web APIs.
Isis Wu, its president of global residential fire & safety, adds, "In the case of a fire, it'll send you an alert and it'll ask you to confirm before you call out the fire department."，推荐阅读服务器推荐获取更多信息