質問編集履歴
9
内容修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -104,7 +104,7 @@
|
|
|
104
104
|
|
|
105
105
|
optionsBuilder.UseMySql(
|
|
106
106
|
|
|
107
|
-
"server=localhost;user=
|
|
107
|
+
"server=localhost;user=username;password=pass;database=pass_manager;",
|
|
108
108
|
|
|
109
109
|
new MySqlServerVersion(new Version(8, 0, 11))
|
|
110
110
|
|
8
ツールバージョン情報追記
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -472,7 +472,7 @@
|
|
|
472
472
|
|
|
473
473
|
### 試したこと②
|
|
474
474
|
|
|
475
|
-
公式ドキュメントを参考にMvcMovieアプリを作成するが以下コマンド時にエラー
|
|
475
|
+
[公式ドキュメント](https://docs.microsoft.com/ja-jp/aspnet/core/tutorials/first-mvc-app/start-mvc?view=aspnetcore-5.0&tabs=visual-studio)を参考にMvcMovieアプリを作成するが以下コマンド時にエラー
|
|
476
476
|
|
|
477
477
|
|
|
478
478
|
|
|
@@ -498,6 +498,160 @@
|
|
|
498
498
|
|
|
499
499
|
### 補足情報（FW/ツールのバージョンなど）
|
|
500
500
|
|
|
501
|
+
■ ツールバージョン
|
|
502
|
+
|
|
503
|
+
```version
|
|
504
|
+
|
|
505
|
+
=== Visual Studio Community 2019 for Mac ===
|
|
506
|
+
|
|
507
|
+
Version 8.10.9 (build 3)
|
|
508
|
+
|
|
509
|
+
GTK+ 2.24.23 (Raleigh theme)
|
|
510
|
+
|
|
511
|
+
Xamarin.Mac 6.18.0.23 (d16-6 / 088c73638)
|
|
512
|
+
|
|
513
|
+
Package version: 612000140
|
|
514
|
+
|
|
515
|
+
|
|
516
|
+
|
|
517
|
+
=== Mono Framework MDK ===
|
|
518
|
+
|
|
519
|
+
Runtime:
|
|
520
|
+
|
|
521
|
+
Mono 6.12.0.140 (2020-02/51d876a041e) (64-bit)
|
|
522
|
+
|
|
523
|
+
Package version: 612000140
|
|
524
|
+
|
|
525
|
+
|
|
526
|
+
|
|
527
|
+
=== Roslyn (Language Service) ===
|
|
528
|
+
|
|
529
|
+
3.10.0-4.21269.26+029847714208ebe49668667c60ea5b0a294e0fcb
|
|
530
|
+
|
|
531
|
+
|
|
532
|
+
|
|
533
|
+
=== NuGet ===
|
|
534
|
+
|
|
535
|
+
バージョン: 5.9.0.7134
|
|
536
|
+
|
|
537
|
+
|
|
538
|
+
|
|
539
|
+
=== .NET Core SDK ===
|
|
540
|
+
|
|
541
|
+
SDK バージョン:
|
|
542
|
+
|
|
543
|
+
5.0.401
|
|
544
|
+
|
|
545
|
+
5.0.400
|
|
546
|
+
|
|
547
|
+
3.1.413
|
|
548
|
+
|
|
549
|
+
3.1.412
|
|
550
|
+
|
|
551
|
+
|
|
552
|
+
|
|
553
|
+
=== .NET Core ランタイム ===
|
|
554
|
+
|
|
555
|
+
ランタイム: /usr/local/share/dotnet/dotnet
|
|
556
|
+
|
|
557
|
+
ランタイム バージョン:
|
|
558
|
+
|
|
559
|
+
5.0.10
|
|
560
|
+
|
|
561
|
+
5.0.9
|
|
562
|
+
|
|
563
|
+
3.1.19
|
|
564
|
+
|
|
565
|
+
3.1.18
|
|
566
|
+
|
|
567
|
+
|
|
568
|
+
|
|
569
|
+
=== .NET Core 3.1 SDK ===
|
|
570
|
+
|
|
571
|
+
SDK: 3.1.413
|
|
572
|
+
|
|
573
|
+
|
|
574
|
+
|
|
575
|
+
=== Xamarin.Profiler ===
|
|
576
|
+
|
|
577
|
+
バージョン: 1.6.15.68
|
|
578
|
+
|
|
579
|
+
|
|
580
|
+
|
|
581
|
+
=== Updater ===
|
|
582
|
+
|
|
583
|
+
バージョン: 11
|
|
584
|
+
|
|
585
|
+
|
|
586
|
+
|
|
587
|
+
=== Apple Developer Tools ===
|
|
588
|
+
|
|
589
|
+
Xcode 13.0 (19234)
|
|
590
|
+
|
|
591
|
+
|
|
592
|
+
|
|
593
|
+
=== Xamarin.Mac ===
|
|
594
|
+
|
|
595
|
+
Version: 7.14.0.24 (Visual Studio Community)
|
|
596
|
+
|
|
597
|
+
|
|
598
|
+
|
|
599
|
+
=== Xamarin.Android ===
|
|
600
|
+
|
|
601
|
+
バージョン: 11.3.0.4 (Visual Studio Community)
|
|
602
|
+
|
|
603
|
+
SDK Tools のバージョン: 26.1.1
|
|
604
|
+
|
|
605
|
+
SDK プラットフォーム ツールのバージョン: 30.0.4
|
|
606
|
+
|
|
607
|
+
SDK ビルド ツールのバージョン: 30.0.2
|
|
608
|
+
|
|
609
|
+
|
|
610
|
+
|
|
611
|
+
ビルド情報:
|
|
612
|
+
|
|
613
|
+
Mono: b4a3858
|
|
614
|
+
|
|
615
|
+
Java.Interop: xamarin/java.interop/d16-10@f39db25
|
|
616
|
+
|
|
617
|
+
ProGuard: Guardsquare/proguard/v7.0.1@912d149
|
|
618
|
+
|
|
619
|
+
SQLite: xamarin/sqlite/3.35.4@85460d3
|
|
620
|
+
|
|
621
|
+
Xamarin.Android Tools: xamarin/xamarin-android-tools/d16-10@c5732a0
|
|
622
|
+
|
|
623
|
+
|
|
624
|
+
|
|
625
|
+
=== Microsoft OpenJDK for Mobile ===
|
|
626
|
+
|
|
627
|
+
Java SDK: /Users/lcr038/Library/Developer/Xamarin/jdk/microsoft_dist_openjdk_1.8.0.25
|
|
628
|
+
|
|
629
|
+
1.8.0-25
|
|
630
|
+
|
|
631
|
+
|
|
632
|
+
|
|
633
|
+
=== Android SDK Manager ===
|
|
634
|
+
|
|
635
|
+
Version: 16.10.0.13
|
|
636
|
+
|
|
637
|
+
|
|
638
|
+
|
|
639
|
+
=== Android Device Manager ===
|
|
640
|
+
|
|
641
|
+
Version: 16.10.0.15
|
|
642
|
+
|
|
643
|
+
|
|
644
|
+
|
|
645
|
+
=== Operating System ===
|
|
646
|
+
|
|
647
|
+
Mac OS X 10.16.0
|
|
648
|
+
|
|
649
|
+
Darwin 20.6.0 Darwin Kernel Version 20.6.0
|
|
650
|
+
|
|
651
|
+
```
|
|
652
|
+
|
|
653
|
+
|
|
654
|
+
|
|
501
655
|
■ NuGet関連情報
|
|
502
656
|
|
|
503
657
|
・`MySQL.Data.EntityFrameworkCore`では上手くいかないので`Pomelo.EntityFrameworkCore.MySql`を使う
|
7
試したことを追加しました
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -18,6 +18,14 @@
|
|
|
18
18
|
|
|
19
19
|
|
|
20
20
|
|
|
21
|
+
エラーを元に引き続き自分でも調べていきますが、
|
|
22
|
+
|
|
23
|
+
解決方法がわかる方いたらご教示いただけると幸いです。
|
|
24
|
+
|
|
25
|
+
宜しくお願いいたします。
|
|
26
|
+
|
|
27
|
+
|
|
28
|
+
|
|
21
29
|
### 発生している問題・エラーメッセージ
|
|
22
30
|
|
|
23
31
|
|
|
@@ -30,12 +38,6 @@
|
|
|
30
38
|
|
|
31
39
|
Error CS1579: foreach statement cannot operate on variables of type 'User' because 'User' does not contain a public instance or extension definition for 'GetEnumerator' (CS1579)
|
|
32
40
|
|
|
33
|
-
|
|
34
|
-
|
|
35
|
-
//和訳
|
|
36
|
-
|
|
37
|
-
エラーCS1579：「User」に「GetEnumerator」のパブリックインスタンスまたは拡張定義が含まれていないため、foreachステートメントは「User」タイプの変数を操作できません
|
|
38
|
-
|
|
39
41
|
```
|
|
40
42
|
|
|
41
43
|
|
|
@@ -50,15 +52,377 @@
|
|
|
50
52
|
|
|
51
53
|
```User
|
|
52
54
|
|
|
55
|
+
namespace PassManager.Models
|
|
56
|
+
|
|
57
|
+
{
|
|
58
|
+
|
|
59
|
+
public class User
|
|
60
|
+
|
|
61
|
+
{
|
|
62
|
+
|
|
63
|
+
public int Id { get; set; }
|
|
64
|
+
|
|
65
|
+
public string Userid { get; set; }
|
|
66
|
+
|
|
67
|
+
public string Name { get; set; }
|
|
68
|
+
|
|
69
|
+
}
|
|
70
|
+
|
|
71
|
+
}
|
|
72
|
+
|
|
73
|
+
```
|
|
74
|
+
|
|
75
|
+
4: Modelsフォルダの中にUserContext.csを作成
|
|
76
|
+
|
|
77
|
+
|
|
78
|
+
|
|
79
|
+
```UserContext
|
|
80
|
+
|
|
81
|
+
namespace PassManager.Data
|
|
82
|
+
|
|
83
|
+
{
|
|
84
|
+
|
|
85
|
+
public class UserContext : DbContext
|
|
86
|
+
|
|
87
|
+
{
|
|
88
|
+
|
|
89
|
+
|
|
90
|
+
|
|
91
|
+
public UserContext(DbContextOptions options) : base(options)
|
|
92
|
+
|
|
93
|
+
{
|
|
94
|
+
|
|
95
|
+
}
|
|
96
|
+
|
|
97
|
+
|
|
98
|
+
|
|
99
|
+
public DbSet<User> Users { get; set; }
|
|
100
|
+
|
|
101
|
+
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
|
|
102
|
+
|
|
103
|
+
{
|
|
104
|
+
|
|
105
|
+
optionsBuilder.UseMySql(
|
|
106
|
+
|
|
107
|
+
"server=localhost;user=lincraft;password=l1ncr@ft;database=pass_manager;",
|
|
108
|
+
|
|
109
|
+
new MySqlServerVersion(new Version(8, 0, 11))
|
|
110
|
+
|
|
111
|
+
);
|
|
112
|
+
|
|
113
|
+
}
|
|
114
|
+
|
|
115
|
+
}
|
|
116
|
+
|
|
117
|
+
}
|
|
118
|
+
|
|
119
|
+
```
|
|
120
|
+
|
|
121
|
+
|
|
122
|
+
|
|
123
|
+
5: appsettings.json に以下コード追加
|
|
124
|
+
|
|
125
|
+
```app-settings
|
|
126
|
+
|
|
127
|
+
"ConnectionStrings": { //追加
|
|
128
|
+
|
|
129
|
+
"DefaultConnection": "server=localhost;userid=username;database=pass_manager;"
|
|
130
|
+
|
|
131
|
+
},
|
|
132
|
+
|
|
133
|
+
```
|
|
134
|
+
|
|
135
|
+
|
|
136
|
+
|
|
137
|
+
6: Startup.cs の`public void ConfigureServices`内を以下に変更
|
|
138
|
+
|
|
139
|
+
```Startup
|
|
140
|
+
|
|
141
|
+
public void ConfigureServices(IServiceCollection services)
|
|
142
|
+
|
|
143
|
+
{
|
|
144
|
+
|
|
145
|
+
services.AddControllersWithViews();
|
|
146
|
+
|
|
147
|
+
services.AddMvc();
|
|
148
|
+
|
|
149
|
+
services.AddDbContext<UserContext>(options
|
|
150
|
+
|
|
151
|
+
=> options.UseMySql(ConfigurationSection("DefaultConnection")));
|
|
152
|
+
|
|
153
|
+
}
|
|
154
|
+
|
|
155
|
+
//↑DefaultConnectionエラー回避の為のメソッド
|
|
156
|
+
|
|
157
|
+
private ServerVersion ConfigurationSection(object defaultConnection)
|
|
158
|
+
|
|
159
|
+
{
|
|
160
|
+
|
|
161
|
+
throw new NotImplementedException();
|
|
162
|
+
|
|
163
|
+
}
|
|
164
|
+
|
|
165
|
+
```
|
|
166
|
+
|
|
167
|
+
※参考にしたページでは以下のコードでしたが、エラーが出たので上記の方法でエラー回避しています。
|
|
168
|
+
|
|
169
|
+
`options.UseMySql(Configuration.GetConnectionString("DefaultConnection")));`
|
|
170
|
+
|
|
171
|
+
|
|
172
|
+
|
|
173
|
+
7: データベースの確認
|
|
174
|
+
|
|
175
|
+
作成済みであることを確認します
|
|
176
|
+
|
|
177
|
+
・内容
|
|
178
|
+
|
|
179
|
+
|
|
180
|
+
|
|
181
|
+
・構造
|
|
182
|
+
|
|
183
|
+
|
|
184
|
+
|
|
185
|
+
|
|
186
|
+
|
|
187
|
+
8: Controllersフォルダの中にUsersController.cs を作成
|
|
188
|
+
|
|
189
|
+
```UsersController
|
|
190
|
+
|
|
191
|
+
namespace PassManager.Controllers
|
|
192
|
+
|
|
193
|
+
{
|
|
194
|
+
|
|
195
|
+
public class UsersController : Controller
|
|
196
|
+
|
|
197
|
+
{
|
|
198
|
+
|
|
199
|
+
public IActionResult UserList()
|
|
200
|
+
|
|
201
|
+
{
|
|
202
|
+
|
|
203
|
+
return View();
|
|
204
|
+
|
|
205
|
+
}
|
|
206
|
+
|
|
207
|
+
}
|
|
208
|
+
|
|
209
|
+
}
|
|
210
|
+
|
|
211
|
+
```
|
|
212
|
+
|
|
213
|
+
9: Views>Homeフォルダの中のUserList.cshtml を修正
|
|
214
|
+
|
|
215
|
+
```UserList
|
|
216
|
+
|
|
217
|
+
@model IEnumerable<PassManager.Models.User>
|
|
218
|
+
|
|
219
|
+
|
|
220
|
+
|
|
221
|
+
<html lang="ja">
|
|
222
|
+
|
|
223
|
+
<head>
|
|
224
|
+
|
|
225
|
+
<meta name="google-signin-scope" content="profile email">
|
|
226
|
+
|
|
227
|
+
<meta name="google-signin-client_id" content="123abc.apps.googleusercontent.com">
|
|
228
|
+
|
|
229
|
+
<script src="https://apis.google.com/js/platform.js" async defer></script>
|
|
230
|
+
|
|
231
|
+
</head>
|
|
232
|
+
|
|
233
|
+
<body>
|
|
234
|
+
|
|
235
|
+
<h1>@ViewData["Title"]</h1>
|
|
236
|
+
|
|
237
|
+
|
|
238
|
+
|
|
239
|
+
@*ログアウトボタンタップ時の挙動*@
|
|
240
|
+
|
|
241
|
+
<script>function signOut() {
|
|
242
|
+
|
|
243
|
+
var auth2 = gapi.auth2.getAuthInstance();
|
|
244
|
+
|
|
245
|
+
auth2.signOut().then(function () {
|
|
246
|
+
|
|
247
|
+
console.log('User signed out.');
|
|
248
|
+
|
|
249
|
+
});
|
|
250
|
+
|
|
251
|
+
}
|
|
252
|
+
|
|
253
|
+
|
|
254
|
+
|
|
255
|
+
@* ログイン画面と別ページにログアウトボタンがある場合はgapi.auth2ライブラリを手動でロードして初期化する必要がある *@
|
|
256
|
+
|
|
257
|
+
function onLoad() {
|
|
258
|
+
|
|
259
|
+
gapi.load('auth2', function () {
|
|
260
|
+
|
|
261
|
+
gapi.auth2.init();
|
|
262
|
+
|
|
263
|
+
});
|
|
264
|
+
|
|
265
|
+
}</script>
|
|
266
|
+
|
|
267
|
+
|
|
268
|
+
|
|
269
|
+
@*ロクアウトボタンタップ時にHOME画面に戻る*@
|
|
270
|
+
|
|
271
|
+
<a href="https://localhost:5001/Home" onclick="signOut();">Sign out</a>
|
|
272
|
+
|
|
273
|
+
<script src="https://apis.google.com/js/platform.js?onload=onLoad" async defer></script>
|
|
274
|
+
|
|
275
|
+
|
|
276
|
+
|
|
277
|
+
<p>
|
|
278
|
+
|
|
279
|
+
<a asp-action="Create">Create New</a>
|
|
280
|
+
|
|
281
|
+
</p>
|
|
282
|
+
|
|
283
|
+
|
|
284
|
+
|
|
285
|
+
<table class="table">
|
|
286
|
+
|
|
287
|
+
<thead>
|
|
288
|
+
|
|
289
|
+
<tr>
|
|
290
|
+
|
|
291
|
+
<th>
|
|
292
|
+
|
|
293
|
+
@Html.DisplayNameFor(model => model.Id)
|
|
294
|
+
|
|
295
|
+
</th>
|
|
296
|
+
|
|
297
|
+
<th>
|
|
298
|
+
|
|
299
|
+
@Html.DisplayNameFor(model => model.Userid)
|
|
300
|
+
|
|
301
|
+
</th>
|
|
302
|
+
|
|
303
|
+
<th>
|
|
304
|
+
|
|
305
|
+
@Html.DisplayNameFor(model => model.Name)
|
|
306
|
+
|
|
307
|
+
</th>
|
|
308
|
+
|
|
309
|
+
<th></th>
|
|
310
|
+
|
|
311
|
+
</tr>
|
|
312
|
+
|
|
313
|
+
</thead>
|
|
314
|
+
|
|
315
|
+
<tbody>
|
|
316
|
+
|
|
317
|
+
@foreach (var item in Model) ///////////// ここでエラー /////////////
|
|
318
|
+
|
|
319
|
+
{
|
|
320
|
+
|
|
321
|
+
<tr>
|
|
322
|
+
|
|
323
|
+
<td>
|
|
324
|
+
|
|
325
|
+
@item.Id
|
|
326
|
+
|
|
327
|
+
</td>
|
|
328
|
+
|
|
329
|
+
<td>
|
|
330
|
+
|
|
331
|
+
@item.Userid
|
|
332
|
+
|
|
333
|
+
</td>
|
|
334
|
+
|
|
335
|
+
<td>
|
|
336
|
+
|
|
337
|
+
@item.Name
|
|
338
|
+
|
|
339
|
+
</td>
|
|
340
|
+
|
|
341
|
+
<td>
|
|
342
|
+
|
|
343
|
+
<a asp-action="Edit" asp-route-id="@item.Id">Edit</a> |
|
|
344
|
+
|
|
345
|
+
<a asp-action="Details" asp-route-id="@item.Id">Details</a> |
|
|
346
|
+
|
|
347
|
+
<a asp-action="Delete" asp-route-id="@item.Id">Delete</a>
|
|
348
|
+
|
|
349
|
+
</td>
|
|
350
|
+
|
|
351
|
+
</tr>
|
|
352
|
+
|
|
353
|
+
}
|
|
354
|
+
|
|
355
|
+
</tbody>
|
|
356
|
+
|
|
357
|
+
</table>
|
|
358
|
+
|
|
359
|
+
</body>
|
|
360
|
+
|
|
361
|
+
</html>
|
|
362
|
+
|
|
363
|
+
```
|
|
364
|
+
|
|
365
|
+
|
|
366
|
+
|
|
367
|
+
### 試したこと①
|
|
368
|
+
|
|
369
|
+
stackoverflow参考に修正
|
|
370
|
+
|
|
371
|
+
参考：[foreach (var item in Model), Object reference not set to an instance of an objec](https://stackoverflow.com/questions/52168706/foreach-var-item-in-model-object-reference-not-set-to-an-instance-of-an-objec)
|
|
372
|
+
|
|
373
|
+
|
|
374
|
+
|
|
375
|
+
・UsersController.csの修正
|
|
376
|
+
|
|
377
|
+
```UsersController
|
|
378
|
+
|
|
379
|
+
namespace PassManager.Controllers
|
|
380
|
+
|
|
381
|
+
{
|
|
382
|
+
|
|
383
|
+
public class UsersController : Controller
|
|
384
|
+
|
|
385
|
+
{
|
|
386
|
+
|
|
387
|
+
public ActionResult MyUserList()//このメソッドの中を入れ替えた
|
|
388
|
+
|
|
389
|
+
{
|
|
390
|
+
|
|
391
|
+
User obj = new()
|
|
392
|
+
|
|
393
|
+
{
|
|
394
|
+
|
|
395
|
+
MyUserList = new List<User>()// Load your list using uery
|
|
396
|
+
|
|
397
|
+
};
|
|
398
|
+
|
|
399
|
+
return View(obj);
|
|
400
|
+
|
|
401
|
+
}
|
|
402
|
+
|
|
403
|
+
}
|
|
404
|
+
|
|
405
|
+
}
|
|
406
|
+
|
|
407
|
+
```
|
|
408
|
+
|
|
409
|
+
|
|
410
|
+
|
|
411
|
+
・Users.csの修正
|
|
412
|
+
|
|
413
|
+
```Users
|
|
414
|
+
|
|
53
415
|
using System;
|
|
54
416
|
|
|
417
|
+
using System.Collections.Generic;
|
|
418
|
+
|
|
55
419
|
|
|
56
420
|
|
|
57
421
|
namespace PassManager.Models
|
|
58
422
|
|
|
59
423
|
{
|
|
60
424
|
|
|
61
|
-
public class User
|
|
425
|
+
public partial class User
|
|
62
426
|
|
|
63
427
|
{
|
|
64
428
|
|
|
@@ -68,420 +432,14 @@
|
|
|
68
432
|
|
|
69
433
|
public string Name { get; set; }
|
|
70
434
|
|
|
435
|
+
public List<User> MyUserList { get; set; } //追加した
|
|
436
|
+
|
|
71
437
|
}
|
|
72
438
|
|
|
73
439
|
}
|
|
74
440
|
|
|
75
441
|
```
|
|
76
442
|
|
|
77
|
-
4: Modelsフォルダの中にUserContext.csを作成
|
|
78
|
-
|
|
79
|
-
|
|
80
|
-
|
|
81
|
-
```UserContext
|
|
82
|
-
|
|
83
|
-
using System;
|
|
84
|
-
|
|
85
|
-
using PassManager.Models;
|
|
86
|
-
|
|
87
|
-
using Microsoft.EntityFrameworkCore;
|
|
88
|
-
|
|
89
|
-
|
|
90
|
-
|
|
91
|
-
namespace PassManager.Data
|
|
92
|
-
|
|
93
|
-
{
|
|
94
|
-
|
|
95
|
-
public class UserContext : DbContext
|
|
96
|
-
|
|
97
|
-
{
|
|
98
|
-
|
|
99
|
-
|
|
100
|
-
|
|
101
|
-
public UserContext(DbContextOptions options) : base(options)
|
|
102
|
-
|
|
103
|
-
{
|
|
104
|
-
|
|
105
|
-
}
|
|
106
|
-
|
|
107
|
-
|
|
108
|
-
|
|
109
|
-
public DbSet<User> Users { get; set; }
|
|
110
|
-
|
|
111
|
-
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
|
|
112
|
-
|
|
113
|
-
{
|
|
114
|
-
|
|
115
|
-
optionsBuilder.UseMySql(
|
|
116
|
-
|
|
117
|
-
"server=localhost;user=lincraft;password=l1ncr@ft;database=pass_manager;",
|
|
118
|
-
|
|
119
|
-
new MySqlServerVersion(new Version(8, 0, 11))
|
|
120
|
-
|
|
121
|
-
);
|
|
122
|
-
|
|
123
|
-
}
|
|
124
|
-
|
|
125
|
-
}
|
|
126
|
-
|
|
127
|
-
}
|
|
128
|
-
|
|
129
|
-
```
|
|
130
|
-
|
|
131
|
-
|
|
132
|
-
|
|
133
|
-
5: appsettings.json にコード追加
|
|
134
|
-
|
|
135
|
-
```appsettings
|
|
136
|
-
|
|
137
|
-
{
|
|
138
|
-
|
|
139
|
-
"ConnectionStrings": { //追加
|
|
140
|
-
|
|
141
|
-
"DefaultConnection": "server=localhost;userid=username;database=pass_manager;"
|
|
142
|
-
|
|
143
|
-
},
|
|
144
|
-
|
|
145
|
-
"Logging": {
|
|
146
|
-
|
|
147
|
-
"LogLevel": {
|
|
148
|
-
|
|
149
|
-
"Default": "Information",
|
|
150
|
-
|
|
151
|
-
"Microsoft": "Warning",
|
|
152
|
-
|
|
153
|
-
"Microsoft.Hosting.Lifetime": "Information"
|
|
154
|
-
|
|
155
|
-
}
|
|
156
|
-
|
|
157
|
-
},
|
|
158
|
-
|
|
159
|
-
"AllowedHosts": "*"
|
|
160
|
-
|
|
161
|
-
}
|
|
162
|
-
|
|
163
|
-
|
|
164
|
-
|
|
165
|
-
```
|
|
166
|
-
|
|
167
|
-
|
|
168
|
-
|
|
169
|
-
6: Startup.cs の`public void ConfigureServices`内を以下に変更
|
|
170
|
-
|
|
171
|
-
```Startup
|
|
172
|
-
|
|
173
|
-
public void ConfigureServices(IServiceCollection services)
|
|
174
|
-
|
|
175
|
-
{
|
|
176
|
-
|
|
177
|
-
services.AddControllersWithViews();
|
|
178
|
-
|
|
179
|
-
services.AddMvc();
|
|
180
|
-
|
|
181
|
-
services.AddDbContext<UserContext>(options
|
|
182
|
-
|
|
183
|
-
=> options.UseMySql(ConfigurationSection("DefaultConnection")));
|
|
184
|
-
|
|
185
|
-
}
|
|
186
|
-
|
|
187
|
-
//↑DefaultConnectionエラー回避の為のメソッド
|
|
188
|
-
|
|
189
|
-
private ServerVersion ConfigurationSection(object defaultConnection)
|
|
190
|
-
|
|
191
|
-
{
|
|
192
|
-
|
|
193
|
-
throw new NotImplementedException();
|
|
194
|
-
|
|
195
|
-
}
|
|
196
|
-
|
|
197
|
-
```
|
|
198
|
-
|
|
199
|
-
※参考にしたページでは以下のコードでしたが、エラーが出たので上記の方法でエラー回避しています。
|
|
200
|
-
|
|
201
|
-
`options.UseMySql(Configuration.GetConnectionString("DefaultConnection")));`
|
|
202
|
-
|
|
203
|
-
|
|
204
|
-
|
|
205
|
-
7: データベースの確認
|
|
206
|
-
|
|
207
|
-
作成済みであることを確認します
|
|
208
|
-
|
|
209
|
-
・内容
|
|
210
|
-
|
|
211
|
-
|
|
212
|
-
|
|
213
|
-
・構造
|
|
214
|
-
|
|
215
|
-
|
|
216
|
-
|
|
217
|
-
|
|
218
|
-
|
|
219
|
-
8: Controllersフォルダの中にUsersController.cs を作成
|
|
220
|
-
|
|
221
|
-
```UsersController
|
|
222
|
-
|
|
223
|
-
using Microsoft.AspNetCore.Mvc;
|
|
224
|
-
|
|
225
|
-
using PassManager.Models;
|
|
226
|
-
|
|
227
|
-
using System;
|
|
228
|
-
|
|
229
|
-
using System.Collections.Generic;
|
|
230
|
-
|
|
231
|
-
|
|
232
|
-
|
|
233
|
-
namespace PassManager.Controllers
|
|
234
|
-
|
|
235
|
-
{
|
|
236
|
-
|
|
237
|
-
public class UsersController : Controller
|
|
238
|
-
|
|
239
|
-
{
|
|
240
|
-
|
|
241
|
-
public IActionResult UserList()
|
|
242
|
-
|
|
243
|
-
{
|
|
244
|
-
|
|
245
|
-
return View();
|
|
246
|
-
|
|
247
|
-
}
|
|
248
|
-
|
|
249
|
-
}
|
|
250
|
-
|
|
251
|
-
}
|
|
252
|
-
|
|
253
|
-
```
|
|
254
|
-
|
|
255
|
-
9: Views>Homeフォルダの中のUserList.cshtml を修正
|
|
256
|
-
|
|
257
|
-
```UserList
|
|
258
|
-
|
|
259
|
-
@model IEnumerable<PassManager.Models.User>
|
|
260
|
-
|
|
261
|
-
|
|
262
|
-
|
|
263
|
-
<html lang="ja">
|
|
264
|
-
|
|
265
|
-
<head>
|
|
266
|
-
|
|
267
|
-
<meta name="google-signin-scope" content="profile email">
|
|
268
|
-
|
|
269
|
-
<meta name="google-signin-client_id" content="123abc.apps.googleusercontent.com">
|
|
270
|
-
|
|
271
|
-
<script src="https://apis.google.com/js/platform.js" async defer></script>
|
|
272
|
-
|
|
273
|
-
</head>
|
|
274
|
-
|
|
275
|
-
<body>
|
|
276
|
-
|
|
277
|
-
<h1>@ViewData["Title"]</h1>
|
|
278
|
-
|
|
279
|
-
|
|
280
|
-
|
|
281
|
-
@*ログアウトボタンタップ時の挙動*@
|
|
282
|
-
|
|
283
|
-
<script>function signOut() {
|
|
284
|
-
|
|
285
|
-
var auth2 = gapi.auth2.getAuthInstance();
|
|
286
|
-
|
|
287
|
-
auth2.signOut().then(function () {
|
|
288
|
-
|
|
289
|
-
console.log('User signed out.');
|
|
290
|
-
|
|
291
|
-
});
|
|
292
|
-
|
|
293
|
-
}
|
|
294
|
-
|
|
295
|
-
|
|
296
|
-
|
|
297
|
-
@* ログイン画面と別ページにログアウトボタンがある場合はgapi.auth2ライブラリを手動でロードして初期化する必要がある *@
|
|
298
|
-
|
|
299
|
-
function onLoad() {
|
|
300
|
-
|
|
301
|
-
gapi.load('auth2', function () {
|
|
302
|
-
|
|
303
|
-
gapi.auth2.init();
|
|
304
|
-
|
|
305
|
-
});
|
|
306
|
-
|
|
307
|
-
}</script>
|
|
308
|
-
|
|
309
|
-
|
|
310
|
-
|
|
311
|
-
@*ロクアウトボタンタップ時にHOME画面に戻る*@
|
|
312
|
-
|
|
313
|
-
<a href="https://localhost:5001/Home" onclick="signOut();">Sign out</a>
|
|
314
|
-
|
|
315
|
-
<script src="https://apis.google.com/js/platform.js?onload=onLoad" async defer></script>
|
|
316
|
-
|
|
317
|
-
|
|
318
|
-
|
|
319
|
-
<p>
|
|
320
|
-
|
|
321
|
-
<a asp-action="Create">Create New</a>
|
|
322
|
-
|
|
323
|
-
</p>
|
|
324
|
-
|
|
325
|
-
|
|
326
|
-
|
|
327
|
-
<table class="table">
|
|
328
|
-
|
|
329
|
-
<thead>
|
|
330
|
-
|
|
331
|
-
<tr>
|
|
332
|
-
|
|
333
|
-
<th>
|
|
334
|
-
|
|
335
|
-
@Html.DisplayNameFor(model => model.Id)
|
|
336
|
-
|
|
337
|
-
</th>
|
|
338
|
-
|
|
339
|
-
<th>
|
|
340
|
-
|
|
341
|
-
@Html.DisplayNameFor(model => model.Userid)
|
|
342
|
-
|
|
343
|
-
</th>
|
|
344
|
-
|
|
345
|
-
<th>
|
|
346
|
-
|
|
347
|
-
@Html.DisplayNameFor(model => model.Name)
|
|
348
|
-
|
|
349
|
-
</th>
|
|
350
|
-
|
|
351
|
-
<th></th>
|
|
352
|
-
|
|
353
|
-
</tr>
|
|
354
|
-
|
|
355
|
-
</thead>
|
|
356
|
-
|
|
357
|
-
<tbody>
|
|
358
|
-
|
|
359
|
-
@foreach (var item in Model) ///////////// ここでエラー /////////////
|
|
360
|
-
|
|
361
|
-
{
|
|
362
|
-
|
|
363
|
-
<tr>
|
|
364
|
-
|
|
365
|
-
<td>
|
|
366
|
-
|
|
367
|
-
@item.Id
|
|
368
|
-
|
|
369
|
-
</td>
|
|
370
|
-
|
|
371
|
-
<td>
|
|
372
|
-
|
|
373
|
-
@item.Userid
|
|
374
|
-
|
|
375
|
-
</td>
|
|
376
|
-
|
|
377
|
-
<td>
|
|
378
|
-
|
|
379
|
-
@item.Name
|
|
380
|
-
|
|
381
|
-
</td>
|
|
382
|
-
|
|
383
|
-
<td>
|
|
384
|
-
|
|
385
|
-
<a asp-action="Edit" asp-route-id="@item.Id">Edit</a> |
|
|
386
|
-
|
|
387
|
-
<a asp-action="Details" asp-route-id="@item.Id">Details</a> |
|
|
388
|
-
|
|
389
|
-
<a asp-action="Delete" asp-route-id="@item.Id">Delete</a>
|
|
390
|
-
|
|
391
|
-
</td>
|
|
392
|
-
|
|
393
|
-
</tr>
|
|
394
|
-
|
|
395
|
-
}
|
|
396
|
-
|
|
397
|
-
</tbody>
|
|
398
|
-
|
|
399
|
-
</table>
|
|
400
|
-
|
|
401
|
-
</body>
|
|
402
|
-
|
|
403
|
-
</html>
|
|
404
|
-
|
|
405
|
-
```
|
|
406
|
-
|
|
407
|
-
|
|
408
|
-
|
|
409
|
-
### 試したこと①
|
|
410
|
-
|
|
411
|
-
stackoverflow参考に修正
|
|
412
|
-
|
|
413
|
-
参考：[foreach (var item in Model), Object reference not set to an instance of an objec](https://stackoverflow.com/questions/52168706/foreach-var-item-in-model-object-reference-not-set-to-an-instance-of-an-objec)
|
|
414
|
-
|
|
415
|
-
|
|
416
|
-
|
|
417
|
-
・UsersController.csの修正
|
|
418
|
-
|
|
419
|
-
```UsersController
|
|
420
|
-
|
|
421
|
-
namespace PassManager.Controllers
|
|
422
|
-
|
|
423
|
-
{
|
|
424
|
-
|
|
425
|
-
public class UsersController : Controller
|
|
426
|
-
|
|
427
|
-
{
|
|
428
|
-
|
|
429
|
-
public ActionResult MyUserList()//このメソッドの中を入れ替えた
|
|
430
|
-
|
|
431
|
-
{
|
|
432
|
-
|
|
433
|
-
User obj = new()
|
|
434
|
-
|
|
435
|
-
{
|
|
436
|
-
|
|
437
|
-
MyUserList = new List<User>()// Load your list using uery
|
|
438
|
-
|
|
439
|
-
};
|
|
440
|
-
|
|
441
|
-
return View(obj);
|
|
442
|
-
|
|
443
|
-
}
|
|
444
|
-
|
|
445
|
-
}
|
|
446
|
-
|
|
447
|
-
}
|
|
448
|
-
|
|
449
|
-
```
|
|
450
|
-
|
|
451
|
-
|
|
452
|
-
|
|
453
|
-
・Users.csの修正
|
|
454
|
-
|
|
455
|
-
```Users
|
|
456
|
-
|
|
457
|
-
using System;
|
|
458
|
-
|
|
459
|
-
using System.Collections.Generic;
|
|
460
|
-
|
|
461
|
-
|
|
462
|
-
|
|
463
|
-
namespace PassManager.Models
|
|
464
|
-
|
|
465
|
-
{
|
|
466
|
-
|
|
467
|
-
public partial class User
|
|
468
|
-
|
|
469
|
-
{
|
|
470
|
-
|
|
471
|
-
public int Id { get; set; }
|
|
472
|
-
|
|
473
|
-
public string Userid { get; set; }
|
|
474
|
-
|
|
475
|
-
public string Name { get; set; }
|
|
476
|
-
|
|
477
|
-
public List<User> MyUserList { get; set; } //追加した
|
|
478
|
-
|
|
479
|
-
}
|
|
480
|
-
|
|
481
|
-
}
|
|
482
|
-
|
|
483
|
-
```
|
|
484
|
-
|
|
485
443
|
|
|
486
444
|
|
|
487
445
|
・UsersList.cshtmlの修正
|
|
@@ -496,9 +454,7 @@
|
|
|
496
454
|
|
|
497
455
|
|
|
498
456
|
|
|
499
|
-
ビルドは成功したが、
|
|
500
|
-
|
|
501
|
-
ページ表示
|
|
457
|
+
ビルド成功するが、ページ表示時に以下エラー
|
|
502
458
|
|
|
503
459
|
```error
|
|
504
460
|
|
|
@@ -510,29 +466,33 @@
|
|
|
510
466
|
|
|
511
467
|
AspNetCore.Views_Home_UserList.<ExecuteAsync>b__13_1() in UserList.cshtml, line 54
|
|
512
468
|
|
|
513
|
-
|
|
514
|
-
|
|
515
|
-
|
|
516
|
-
|
|
517
|
-
|
|
518
|
-
|
|
519
|
-
|
|
520
|
-
|
|
521
|
-
|
|
522
|
-
|
|
523
|
-
|
|
524
|
-
|
|
525
|
-
|
|
526
|
-
|
|
527
|
-
|
|
528
|
-
|
|
529
|
-
|
|
530
|
-
|
|
531
|
-
|
|
532
|
-
|
|
533
|
-
|
|
534
|
-
|
|
535
|
-
|
|
469
|
+
```
|
|
470
|
+
|
|
471
|
+
|
|
472
|
+
|
|
473
|
+
### 試したこと②
|
|
474
|
+
|
|
475
|
+
公式ドキュメントを参考にMvcMovieアプリを作成するが以下コマンド時にエラー
|
|
476
|
+
|
|
477
|
+
|
|
478
|
+
|
|
479
|
+
`dotnet-aspnet-codegenerator controller -name MoviesController -m Movie -dc MvcMovieContext --relativeFolderPath Controllers --useDefaultLayout --referenceScriptLibraries -sqlite`
|
|
480
|
+
|
|
481
|
+
|
|
482
|
+
|
|
483
|
+
```error1
|
|
484
|
+
|
|
485
|
+
warning MSB3026: "obj/Debug/netcoreapp3.1/MvcMovie.pdb" を "bin/Debug/netcoreapp3.1/MvcMovie.pdb" にコピーできませんでした。1000 ミリ秒以内に 1 回目の再試行を開始します。The process cannot access the file '/Users/lcr038/Desktop/MvcMovie/MvcMovie/bin/Debug/netcoreapp3.1/MvcMovie.pdb' because it is being used by another process. [/Users/lcr038/Desktop/MvcMovie/MvcMovie/MvcMovie.csproj]
|
|
486
|
+
|
|
487
|
+
```
|
|
488
|
+
|
|
489
|
+
|
|
490
|
+
|
|
491
|
+
```error2
|
|
492
|
+
|
|
493
|
+
/usr/local/share/dotnet/sdk/5.0.401/Microsoft.Common.CurrentVersion.targets(4569,5): error MSB3021: ファイル "obj/Debug/netcoreapp3.1/MvcMovie.pdb" を "bin/Debug/netcoreapp3.1/MvcMovie.pdb" にコピーできません。The process cannot access the file '/Users/lcr038/Desktop/MvcMovie/MvcMovie/bin/Debug/netcoreapp3.1/MvcMovie.pdb' because it is being used by another process. [/Users/lcr038/Desktop/MvcMovie/MvcMovie/MvcMovie.csproj]
|
|
494
|
+
|
|
495
|
+
```
|
|
536
496
|
|
|
537
497
|
|
|
538
498
|
|
|
@@ -542,7 +502,7 @@
|
|
|
542
502
|
|
|
543
503
|
・`MySQL.Data.EntityFrameworkCore`では上手くいかないので`Pomelo.EntityFrameworkCore.MySql`を使う
|
|
544
504
|
|
|
545
|
-
また、上記は共存
|
|
505
|
+
また、上記は共存不可。
|
|
546
506
|
|
|
547
507
|
|
|
548
508
|
|
|
@@ -556,6 +516,6 @@
|
|
|
556
516
|
|
|
557
517
|
■ アプリの構造
|
|
558
518
|
|
|
559
|
-
HOME画面でGoogleログイン後、（ログイン画面のソースコードは省略
|
|
519
|
+
HOME画面でGoogleログイン後、（ログイン画面のソースコードは省略）
|
|
560
520
|
|
|
561
521
|
UserList画面でpass_managerのテーブル内容が表示される想定です。
|
6
UserList内のコード修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -256,7 +256,7 @@
|
|
|
256
256
|
|
|
257
257
|
```UserList
|
|
258
258
|
|
|
259
|
-
@model PassManager.Models.User
|
|
259
|
+
@model IEnumerable<PassManager.Models.User>
|
|
260
260
|
|
|
261
261
|
|
|
262
262
|
|
5
コードの修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -222,7 +222,7 @@
|
|
|
222
222
|
|
|
223
223
|
using Microsoft.AspNetCore.Mvc;
|
|
224
224
|
|
|
225
|
-
using
|
|
225
|
+
using PassManager.Models;
|
|
226
226
|
|
|
227
227
|
using System;
|
|
228
228
|
|
|
@@ -230,7 +230,7 @@
|
|
|
230
230
|
|
|
231
231
|
|
|
232
232
|
|
|
233
|
-
namespace
|
|
233
|
+
namespace PassManager.Controllers
|
|
234
234
|
|
|
235
235
|
{
|
|
236
236
|
|
|
@@ -256,7 +256,7 @@
|
|
|
256
256
|
|
|
257
257
|
```UserList
|
|
258
258
|
|
|
259
|
-
@model
|
|
259
|
+
@model PassManager.Models.User
|
|
260
260
|
|
|
261
261
|
|
|
262
262
|
|
4
ソースコードの修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -76,6 +76,8 @@
|
|
|
76
76
|
|
|
77
77
|
4: Modelsフォルダの中にUserContext.csを作成
|
|
78
78
|
|
|
79
|
+
|
|
80
|
+
|
|
79
81
|
```UserContext
|
|
80
82
|
|
|
81
83
|
using System;
|
|
@@ -126,6 +128,8 @@
|
|
|
126
128
|
|
|
127
129
|
```
|
|
128
130
|
|
|
131
|
+
|
|
132
|
+
|
|
129
133
|
5: appsettings.json にコード追加
|
|
130
134
|
|
|
131
135
|
```appsettings
|
|
@@ -160,9 +164,11 @@
|
|
|
160
164
|
|
|
161
165
|
```
|
|
162
166
|
|
|
167
|
+
|
|
168
|
+
|
|
163
169
|
6: Startup.cs の`public void ConfigureServices`内を以下に変更
|
|
164
170
|
|
|
165
|
-
```ap
|
|
171
|
+
```Startup
|
|
166
172
|
|
|
167
173
|
public void ConfigureServices(IServiceCollection services)
|
|
168
174
|
|
|
@@ -208,6 +214,8 @@
|
|
|
208
214
|
|
|
209
215
|
|
|
210
216
|
|
|
217
|
+
|
|
218
|
+
|
|
211
219
|
8: Controllersフォルダの中にUsersController.cs を作成
|
|
212
220
|
|
|
213
221
|
```UsersController
|
|
@@ -548,6 +556,6 @@
|
|
|
548
556
|
|
|
549
557
|
■ アプリの構造
|
|
550
558
|
|
|
551
|
-
HOME画面でGoogleログイン後、
|
|
559
|
+
HOME画面でGoogleログイン後、（ログイン画面のソースコードは省略しています。）
|
|
552
560
|
|
|
553
561
|
UserList画面でpass_managerのテーブル内容が表示される想定です。
|
3
補足情報の更新
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -540,6 +540,14 @@
|
|
|
540
540
|
|
|
541
541
|
|
|
542
542
|
|
|
543
|
-
■DB確認ツール
|
|
543
|
+
■ DB確認ツール
|
|
544
544
|
|
|
545
545
|
Mac対応の[Sequel Ace](https://apps.apple.com/us/app/sequel-ace/id1518036000?mt=12)というアプリを使っています
|
|
546
|
+
|
|
547
|
+
|
|
548
|
+
|
|
549
|
+
■ アプリの構造
|
|
550
|
+
|
|
551
|
+
HOME画面でGoogleログイン後、
|
|
552
|
+
|
|
553
|
+
UserList画面でpass_managerのテーブル内容が表示される想定です。
|
2
試したことを更新
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -504,11 +504,27 @@
|
|
|
504
504
|
|
|
505
505
|
|
|
506
506
|
|
|
507
|
+
//和訳
|
|
508
|
+
|
|
509
|
+
リクエストの処理中に未処理の例外が発生しました。
|
|
510
|
+
|
|
511
|
+
|
|
512
|
+
|
|
513
|
+
NullReferenceException：オブジェクト参照がオブジェクトのインスタンスに設定されていません。
|
|
514
|
+
|
|
515
|
+
UserList.cshtmlの54行目のAspNetCore.Views_Home_UserList。<ExecuteAsync> b__13_1（）
|
|
516
|
+
|
|
507
|
-
```
|
|
517
|
+
```
|
|
518
|
+
|
|
519
|
+
|
|
520
|
+
|
|
508
|
-
|
|
521
|
+
上記エラーを元に引き続き自分でも調べていきますが、
|
|
522
|
+
|
|
509
|
-
|
|
523
|
+
解決方法がわかる方いたらご教示いただけると幸いです。
|
|
524
|
+
|
|
525
|
+
|
|
526
|
+
|
|
510
|
-
|
|
527
|
+
宜しくお願いいたします。
|
|
511
|
-
|
|
512
528
|
|
|
513
529
|
|
|
514
530
|
|
1
タグの修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
File without changes
|