asp.net - 当应用程序位于服务器上时,HttpClient 在 localhost 上返回 json 响应,它返回 html
问题描述
我在 localhost 上运行良好的代码下面使用 HttpClient 调用 API,但是当它在服务器上运行时,它会返回 html 响应。
这是我正在使用的代码
public async Task<ActionResult> getPost()
{
string url = "https://www.instagram.com/p/Bg9DwFYHARK/?__a=1";
HttpClient _client = new HttpClient();
var Response = await _client.GetAsync(url);
if (Response.IsSuccessStatusCode)
{
var Result = Response.Content.ReadAsStringAsync().Result;
//here in **Result** i've received html instead of json or when i received html instead
of json got error on DeserializeObject.
var Jsonresult = JsonConvert.DeserializeObject<post>(Result);
return Json(new { isValid = false, error = "post found", obj = Jsonresult }, JsonRequestBehavior.AllowGet);
}
else
{
return Json(new { isValid = false, error = "post not found" }, JsonRequestBehavior.AllowGet);
}
}
解决方案
此方法响应为 JSON。
string uri = "https://www.instagram.com/p/Bg9DwFYHARK/?__a=1";
private static async Task<ActionResult> getPost(string uri)
{
var webRequest = WebRequest.Create(uri) as HttpWebRequest;
if (webRequest == null)
{
return;
}
webRequest.ContentType = "application/json";
webRequest.UserAgent = "Nothing";
using (var s = webRequest.GetResponse().GetResponseStream())
{
using (var sr = new StreamReader(s))
{
// var contributorsAsJson = sr.ReadToEnd();
var contributors = JsonConvert.DeserializeObject<Create a list >(contributorsAsJson);
// contributors.ForEach(Console.WriteLine);
return contributors;
}
}
}
我出来的是:
{"graphql":{"shortcode_media":{"__typename":"GraphImage","id":"1746568728937235530","shortcode":"Bg9DwFYHARK","dimensions":{"height":1080,"width":1080},"gating_info":null,"fact_check_overall_rating":null,"fact_check_information":null,"sensitivity_friction_info":null,"media_overlay_info":null,"media_preview":"ACoqytpjBOM+tQs6t07nvxwOn4889q2TDuGKzrfT2kkKtkBDz7j2PT0/OlpuUm7cvQqrbSS/cBb6D/IqI8DHfvXZiVI12qpBA+7xwPr0/WueMXm3LMBx94jryf0PrSTdwaVrlSKMsKd5ZrYji7n8B/8AWp3k+wp3ILSKT0FBkW2YM/AcEZ9xz+o4+uBVgyBSB26VDcWgnYFuVUEbfr3B9Qarl0HcRrgqQWVlX5snjIBxgsOw9fTFR2xEu+QdHbj6DgH8earPayvuUuXXHTGC2OgZv5461pQRGKNY+PlABx69/wBamKvuVJ9iMgikqwy4qPZSasJambblpm3dlP5n69x/9atgetZ1h/qV/H+ZrQHQfhWl7tk2JqY7bQT6UtRvTAN2aZUSnn8am2L6D8qdk9xbH//Z","display_url":"https://instagram.fcok6-1.fna.fbcdn.net/v/t51.2885-15/e35/29400587_173904939930435_4131401846013034496_n.jpg?_nc_ht=instagram.fcok6-1.fna.fbcdn.net&_nc_cat=103&_nc_ohc=cgtRDraKPGoAX_a9AvI&oh=fc8640215bbe4a5003bbaf694113951c&oe=5F2FFE5A","display_resources":[{"src":"https://instagram.fcok6-1.fna.fbcdn.net/v/t51.2885-15/sh0.08/e35/s640x640/29400587_173904939930435_4131401846013034496_n.jpg?_nc_ht=instagram.fcok6-1.fna.fbcdn.net&_nc_cat=103&_nc_ohc=cgtRDraKPGoAX_a9AvI&oh=e971123fdc4eb19abe4a96b35195dd9f&oe=5F30CFBD","config_width":640,"config_height":640},{"src":"https://instagram.fcok6-1.fna.fbcdn.net/v/t51.2885-15/sh0.08/e35/s750x750/29400587_173904939930435_4131401846013034496_n.jpg?_nc_ht=instagram.fcok6-1.fna.fbcdn.net&_nc_cat=103&_nc_ohc=cgtRDraKPGoAX_a9AvI&oh=33fe7c336ecff4205e161452adfc7ecf&oe=5F31703D","config_width":750,"config_height":750},{"src":"https://instagram.fcok6-1.fna.fbcdn.net/v/t51.2885-15/e35/29400587_173904939930435_4131401846013034496_n.jpg?_nc_ht=instagram.fcok6-1.fna.fbcdn.net&_nc_cat=103&_nc_ohc=cgtRDraKPGoAX_a9AvI&oh=fc8640215bbe4a5003bbaf694113951c&oe=5F2FFE5A","config_width":1080,"config_height":1080}],"accessibility_caption":"Photo by Ateeq Khalil in Salt N Pepper Liberty. Image may contain: 1 person","is_video":false,"tracking_token":"eyJ2ZXJzaW9uIjo1LCJwYXlsb2FkIjp7ImlzX2FuYWx5dGljc190cmFja2VkIjp0cnVlLCJ1dWlkIjoiZWQ2ZjUxNTZjMjc5NDU5MzlmMmQ1MTQzZDBhZmIyYjYxNzQ2NTY4NzI4OTM3MjM1NTMwIn0sInNpZ25hdHVyZSI6IiJ9","edge_media_to_tagged_user":{"edges":[]},"edge_media_to_caption":{"edges":[]},"caption_is_edited":false,"has_ranked_comments":false,"edge_media_to_parent_comment":{"count":0,"page_info":{"has_next_page":false,"end_cursor":null},"edges":[]},"edge_media_to_hoisted_comment":{"edges":[]},"edge_media_preview_comment":{"count":0,"edges":[]},"comments_disabled":false,"commenting_disabled_for_viewer":false,"taken_at_timestamp":1522427239,"edge_media_preview_like":{"count":19,"edges":[]},"edge_media_to_sponsor_user":{"edges":[]},"location":{"id":"1730525857251432","has_public_page":true,"name":"Salt N Pepper Liberty","slug":"salt-n-pepper-liberty","address_json":"{\"street_address\": \"48 Commercial Zone Liberty Market, Gulberg III\\u060c\", \"zip_code\": \"\", \"city_name\": \"Lahore, Pakistan\", \"region_name\": \"\", \"country_code\": \"PK\", \"exact_city_match\": false, \"exact_region_match\": false, \"exact_country_match\": false}"},"viewer_has_liked":false,"viewer_has_saved":false,"viewer_has_saved_to_collection":false,"viewer_in_photo_of_you":false,"viewer_can_reshare":true,"owner":{"id":"5394358177","is_verified":false,"profile_pic_url":"https://instagram.fcok6-1.fna.fbcdn.net/v/t51.2885-19/s150x150/29402856_149619235868663_6235876322871083008_n.jpg?_nc_ht=instagram.fcok6-1.fna.fbcdn.net&_nc_ohc=gSyry9Wj5UkAX_bQlzD&oh=bdc6a6b82077c8e461aedbaffa7e49db&oe=5F32308B","username":"ateeq.khalil","blocked_by_viewer":false,"restricted_by_viewer":null,"followed_by_viewer":false,"full_name":"Ateeq Khalil","has_blocked_viewer":false,"is_private":false,"is_unpublished":false,"requested_by_viewer":false,"edge_owner_to_timeline_media":{"count":7},"edge_followed_by":{"count":175}},"is_ad":false,"edge_web_media_to_related_media":{"edges":[]},"edge_related_profiles":{"edges":[]}}}}
推荐阅读
- c# - 调用HttpClient PostAsync方法上传图片时如何解决HttpRequestException
- jenkins - 如何在 Groovy 脚本中获取 Jenkins 构建参数?
- jquery - mvc- jquery - json 编码属性搜索
- css - 我有 2 列。我想根据内容调整一个,另一个以占用剩余空间
- mongodb - KeyError:从 MongoDB 同步数据时在 Elastic2DocManager 上“找到”
- django - 使用附加关键字参数时如何测试 DRF 序列化程序?
- jquery - 使用 jquery 将 iframe 内容导出为 pdf
- python - 具有嵌套数组的 Numpy 点积
- scala - Scala宏:根据Config生成类方法
- javascript - 使用批处理在谷歌日历上添加多个事件在托管上不起作用