feat: Enhanced the API requester to support conversion of HTTP GET pa…

…rameters.

src/Common/EasyAbp.Abp.WeChat.Common/Extensions/WeChatReflectionHelper.cs

@@ -0,0 +1,33 @@
+using System.Reflection;
+using System.Text;
+using Newtonsoft.Json;
+
+namespace EasyAbp.Abp.WeChat.Common.Extensions;
+
+public static class WeChatReflectionHelper
+{
+    // TODO: This method has performance issues because it uses reflection; it can be optimized using expression trees.
+    public static string ConvertToQueryString(object obj)
+    {
+        var sb = new StringBuilder();
+        var properties = obj.GetType().GetProperties();
+        foreach (var propertyInfo in properties)
+        {
+            var value = propertyInfo.GetValue(obj);
+            if (value == null)
+            {
+                continue;
+            }
+
+            var jsonPropertyAttribute = propertyInfo.GetCustomAttribute<JsonPropertyAttribute>();
+            var name = jsonPropertyAttribute?.PropertyName ?? propertyInfo.Name;
+            var type = propertyInfo.PropertyType;
+            if (type.IsPrimitive || type == typeof(string))
+            {
+                sb.Append($"{name}={value}&");
+            }
+        }
+
+        return sb.ToString().TrimEnd('&');
+    }
+}

src/Pay/EasyAbp.Abp.WeChat.Pay/ApiRequests/DefaultWeChatPayApiRequester.cs

@@ -1,7 +1,10 @@
+using System.Linq;
 using System.Net.Http;
 using System.Net.Http.Headers;
+using System.Reflection;
 using System.Text;
 using System.Threading.Tasks;
+using EasyAbp.Abp.WeChat.Common.Extensions;
 using EasyAbp.Abp.WeChat.Pay.Options;
 using EasyAbp.Abp.WeChat.Pay.Security;
 using Newtonsoft.Json;
@@ -43,7 +46,8 @@ public async Task<string> RequestAsync(HttpMethod method, string url, string bod
             request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
             request.Headers.AcceptLanguage.Add(new StringWithQualityHeaderValue(language));
             request.Headers.UserAgent.Add(new ProductInfoHeaderValue("EasyAbp.Abp.WeChat.Pay", "1.0.0"));
-            request.Headers.Add("Authorization", await _authorizationGenerator.GenerateAuthorizationAsync(method, url, body, mchId));
+            request.Headers.Add("Authorization",
+                await _authorizationGenerator.GenerateAuthorizationAsync(method, url, body, mchId));
 
             // Sending the request.
             var client = await _httpClientFactory.CreateAsync(mchId);
@@ -54,7 +58,8 @@ public async Task<string> RequestAsync(HttpMethod method, string url, string bod
             return await response.Content.ReadAsStringAsync();
         }
 
-        public async Task<TResponse> RequestAsync<TResponse>(HttpMethod method, string url, string body, string mchId = null)
+        public async Task<TResponse> RequestAsync<TResponse>(HttpMethod method, string url, string body,
+            string mchId = null)
         {
             var responseString = await RequestAsync(method, url, body, mchId);
 
@@ -83,7 +88,7 @@ private HttpRequestMessage CreateRequest(HttpMethod method, string url, string b
 
             if (method == HttpMethod.Get)
             {
-                return new HttpRequestMessage(HttpMethod.Get, $"{url}{body}");
+                return new HttpRequestMessage(HttpMethod.Get, $"{url}?{body}");
             }
 
             return new HttpRequestMessage(HttpMethod.Get, url);
@@ -102,7 +107,8 @@ private string HandleRequestObject(HttpMethod method, object body)
                 return bodyStr;
             }
 
-            return null;
+            // Convert the object to query string.
+            return WeChatReflectionHelper.ConvertToQueryString(body);
         }
 
         protected virtual async Task ValidateResponseAsync(HttpResponseMessage responseMessage)

tests/EasyAbp.Abp.WeChat.Common.Tests/Extensions/WeChatReflectionHelperTests.cs

@@ -0,0 +1,48 @@
+using EasyAbp.Abp.WeChat.Common.Extensions;
+using Newtonsoft.Json;
+using Shouldly;
+using Xunit;
+
+namespace EasyAbp.Abp.WeChat.Common.Tests.Extensions;
+
+public class WeChatReflectionHelperTests : AbpWeChatCommonTestBase<AbpWeChatCommonModule>
+{
+    [Fact]
+    public void Should_Convert_To_Query_String()
+    {
+        // Arrange
+        var obj = new
+        {
+            Name = "test",
+            Age = 18
+        };
+
+        // Act
+        var queryString = WeChatReflectionHelper.ConvertToQueryString(obj);
+
+        // Assert
+        queryString.ShouldBe("Name=test&Age=18");
+    }
+
+    public class JsonPropertyTestClass
+    {
+        [JsonProperty("test")]
+        public string Name { get; set; }
+
+        public int Age { get; set; }
+    }
+
+    [Fact]
+    public void Should_Convert_To_Query_String_With_Json_Property_Name()
+    {
+        // Arrange & Act
+        var queryString = WeChatReflectionHelper.ConvertToQueryString(new JsonPropertyTestClass
+        {
+            Name = "admin",
+            Age = 18
+        });
+
+        // Assert
+        queryString.ShouldBe("test=admin&Age=18");
+    }
+}