回答編集履歴
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見直しキャンペーン中
answer
CHANGED
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@@ -1,74 +1,74 @@
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`GET`で`HttpClient`を作り直してるからじゃないですか？
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あとクッキーを使いたいだけなら、`UseCookies = true`でいいんじゃないですかね。
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```
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using System;
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using System.Diagnostics;
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using System.Linq;
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using System.Net.Http;
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using System.Text;
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using System.Threading.Tasks;
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namespace Questions251616
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{
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static class Program
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{
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static async Task Main()
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{
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Console.Write("username >>>");
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var user = Console.ReadLine();
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Console.Write("password >>>");
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var password = Console.ReadLine();
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var obj = new API();
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var result = await obj.LoginAsync(user, password);
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Console.WriteLine(result);
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Console.WriteLine();
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var self = await obj.SelfAsync();
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Console.WriteLine(self);
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Console.ReadKey();
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}
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}
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public class API
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{
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// 長いｗ
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private static readonly HttpClient client = new HttpClient(new HttpClientHandler() { UseCookies = true, })
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{
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BaseAddress = new Uri("https://judgeapi.u-aizu.ac.jp/"),
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};
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public async Task<string> LoginAsync(string id, string pass)
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{
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var json = $@"{{""id"":""{id}"",""password"":""{pass}""}}";
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Debug.WriteLine(json);
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var content = new StringContent(json, Encoding.UTF8, "application/json");
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var response = await client.PostAsync("session", content);
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Debug.WriteLine($"content ->> {content}");
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if(response.Headers.Contains("Set-Cookie"))
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{
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var cookie = response.Headers.GetValues("Set-Cookie").First();
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Debug.WriteLine($"cookie --> {cookie}\n");
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}
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return await response.Content.ReadAsStringAsync();
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}
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public Task<string> SelfAsync() => GetAsync("self");
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public async Task<string> GetAsync(string uri)
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{
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var response = await client.GetAsync(uri);
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return await response.Content.ReadAsStringAsync();
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}
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}
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}
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```
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72
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73
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[.NET(Framework)のHttpClientの取り扱いには要注意という話 - Qiita](https://qiita.com/nskhara/items/b7c31d60531ffbe29537)
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1
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+
`GET`で`HttpClient`を作り直してるからじゃないですか？
|
|
2
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+
あとクッキーを使いたいだけなら、`UseCookies = true`でいいんじゃないですかね。
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3
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+
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4
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```cs
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5
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using System;
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6
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using System.Diagnostics;
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7
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+
using System.Linq;
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8
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+
using System.Net.Http;
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9
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+
using System.Text;
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10
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+
using System.Threading.Tasks;
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11
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+
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12
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namespace Questions251616
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13
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{
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14
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static class Program
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15
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+
{
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16
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static async Task Main()
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17
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{
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18
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Console.Write("username >>>");
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19
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var user = Console.ReadLine();
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20
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+
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21
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+
Console.Write("password >>>");
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22
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var password = Console.ReadLine();
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23
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+
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24
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+
var obj = new API();
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25
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var result = await obj.LoginAsync(user, password);
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26
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Console.WriteLine(result);
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27
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Console.WriteLine();
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28
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+
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29
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var self = await obj.SelfAsync();
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30
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Console.WriteLine(self);
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31
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+
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32
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Console.ReadKey();
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33
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}
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34
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+
}
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35
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+
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36
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+
public class API
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37
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+
{
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|
38
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+
// 長いｗ
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39
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+
private static readonly HttpClient client = new HttpClient(new HttpClientHandler() { UseCookies = true, })
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40
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+
{
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41
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BaseAddress = new Uri("https://judgeapi.u-aizu.ac.jp/"),
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42
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};
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43
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+
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44
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public async Task<string> LoginAsync(string id, string pass)
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45
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{
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46
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var json = $@"{{""id"":""{id}"",""password"":""{pass}""}}";
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47
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Debug.WriteLine(json);
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48
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+
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49
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var content = new StringContent(json, Encoding.UTF8, "application/json");
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50
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var response = await client.PostAsync("session", content);
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51
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Debug.WriteLine($"content ->> {content}");
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52
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53
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if(response.Headers.Contains("Set-Cookie"))
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54
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{
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55
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var cookie = response.Headers.GetValues("Set-Cookie").First();
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56
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Debug.WriteLine($"cookie --> {cookie}\n");
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57
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}
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58
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59
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return await response.Content.ReadAsStringAsync();
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60
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}
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61
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62
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public Task<string> SelfAsync() => GetAsync("self");
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63
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64
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public async Task<string> GetAsync(string uri)
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65
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{
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66
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var response = await client.GetAsync(uri);
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67
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return await response.Content.ReadAsStringAsync();
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68
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}
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69
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}
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70
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}
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71
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```
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72
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+
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73
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+
[.NET(Framework)のHttpClientの取り扱いには要注意という話 - Qiita](https://qiita.com/nskhara/items/b7c31d60531ffbe29537)
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74
74
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を見ると`Static`も`UseCookies = true`も要注意なのですが^^;
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