增加JsonMulitpartTextAttribute

WebApiClient/Attributes/ParameterAttributes/JsonFormFieldAttribute.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Threading.Tasks;
+using WebApiClient.Contexts;
+
+namespace WebApiClient.Attributes
+{
+    /// <summary>
+    /// 表示参数值序列化为Json并作为x-www-form-urlencoded的字段
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Parameter, AllowMultiple = false)]
+    public class JsonFormFieldAttribute : Attribute, IApiParameterAttribute, IIgnoreWhenNullable
+    {
+        /// <summary>
+        /// 获取或设置当值为null是否忽略提交
+        /// 默认为false
+        /// </summary>
+        public bool IgnoreWhenNull { get; set; }
+
+        /// <summary>
+        /// 执行前
+        /// </summary>
+        /// <param name="context">上下文</param>
+        /// <param name="parameter">参数</param>
+        /// <returns></returns>
+        public async Task BeforeRequestAsync(ApiActionContext context, ApiParameterDescriptor parameter)
+        {
+            if (this.IsIgnoreWith(parameter) == false)
+            {
+                var options = context.HttpApiConfig.FormatOptions;
+                var json = context.HttpApiConfig.JsonFormatter.Serialize(parameter.Value, options);
+                var fieldName = parameter.Name;
+                await context.RequestMessage.AddFormFieldAsync(fieldName, json);
+            }
+        }
+    }
+}

WebApiClient/Attributes/ParameterAttributes/JsonMulitpartTextAttribute.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Threading.Tasks;
+using WebApiClient.Contexts;
+
+namespace WebApiClient.Attributes
+{
+    /// <summary>
+    /// 表示参数值序列化为Json并作为multipart/form-data表单的一个文本项
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Parameter, AllowMultiple = false)]
+    public class JsonMulitpartTextAttribute : Attribute, IApiParameterAttribute, IIgnoreWhenNullable
+    {
+        /// <summary>
+        /// 获取或设置当值为null是否忽略提交
+        /// 默认为false
+        /// </summary>
+        public bool IgnoreWhenNull { get; set; }
+
+        /// <summary>
+        /// 执行前
+        /// </summary>
+        /// <param name="context">上下文</param>
+        /// <param name="parameter">参数</param>
+        /// <returns></returns>
+        public Task BeforeRequestAsync(ApiActionContext context, ApiParameterDescriptor parameter)
+        {
+            if (this.IsIgnoreWith(parameter) == false)
+            {
+                var options = context.HttpApiConfig.FormatOptions;
+                var json = context.HttpApiConfig.JsonFormatter.Serialize(parameter.Value, options);
+                var fieldName = parameter.Name;
+                context.RequestMessage.AddMulitpartText(fieldName, json);
+            }
+            return ApiTask.CompletedTask;
+        }
+    }
+}