add gitignore, change JSON serialization code

Controllers/QuestionController.cs

@@ -7,7 +7,7 @@ namespace Net6WebAPI.Controllers;
 
 [ApiController]
 [Route("api/[controller]")]
-public class QuestionController : ControllerBase
+public class QuestionController : Controller
 {
     private readonly ILogger<QuestionController> _logger;
 
@@ -24,8 +24,7 @@ public ActionResult Why()
             Qustion = "想請求大家幫助我解答這個問題，為什麼我已經在program.cs的service加入AddJsonOptions Encoder，編碼還是無法顯示中文？",
             Thanks = "謝謝 :)"
             };
-        var js = JsonSerializer.Serialize(result);
-        return Ok(js);
+        return this.Json(result);
     }
 
 

Program.cs

@@ -6,31 +6,12 @@
 
 // Add services to the container.
 
-builder.Services.AddControllers().AddJsonOptions(options =>
- {
- options.JsonSerializerOptions.DictionaryKeyPolicy = JsonNamingPolicy.CamelCase;
- options.JsonSerializerOptions.Encoder = JavaScriptEncoder.Create(UnicodeRanges.All);
- options.JsonSerializerOptions.WriteIndented = true;
- });
-builder.Services.AddMvcCore().AddJsonOptions(options =>
-{
- options.JsonSerializerOptions.DictionaryKeyPolicy = JsonNamingPolicy.CamelCase;
- options.JsonSerializerOptions.Encoder = JavaScriptEncoder.Create(UnicodeRanges.All);
- options.JsonSerializerOptions.WriteIndented = true;
-});
 builder.Services.AddMvc().AddJsonOptions(options =>
 {
- options.JsonSerializerOptions.DictionaryKeyPolicy = JsonNamingPolicy.CamelCase;
- options.JsonSerializerOptions.Encoder = JavaScriptEncoder.Create(UnicodeRanges.All);
- options.JsonSerializerOptions.WriteIndented = true;
+    options.JsonSerializerOptions.DictionaryKeyPolicy = JsonNamingPolicy.CamelCase;
+    options.JsonSerializerOptions.Encoder = JavaScriptEncoder.Create(UnicodeRanges.All);
+    options.JsonSerializerOptions.WriteIndented = true;
 });
-builder.Services.AddRazorPages().AddJsonOptions(options =>
-{
- options.JsonSerializerOptions.DictionaryKeyPolicy = JsonNamingPolicy.CamelCase;
- options.JsonSerializerOptions.Encoder = JavaScriptEncoder.Create(UnicodeRanges.All);
- options.JsonSerializerOptions.WriteIndented = true;
-});;
-
 
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddEndpointsApiExplorer();