請求的 HTTP API 地址：https://www.jisuapi.com/api/w...請求的方式：POST 請求代碼如下：#!/usr/bin/env nodevar http = require('http'),    url = require('url'),    qs = require('querystring'),    city = process.argv[2] || '石家莊',    options = url.parse('http://api.jisuapi.com/weather/query?appkey=d4afb00114742b00');options.method = 'POST';options.headers = { 'User-Agent': '04-post-weather.js' };console.log(options);var req = http.request(options, function(res) {  var result = '';  res.on('data', function(data) {    result += data.toString('utf8');  });    res.on('end', function() {    var weather = JSON.parse(result);    console.log(weather);  });});console.log(qs.escape('city='+city));req.write(qs.escape('city='+city));req.end();請求不到數據，幫忙看看是哪里的問題。