70 lines
2.4 KiB
C#
70 lines
2.4 KiB
C#
using System;
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using Microsoft.OpenApi;
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using Swashbuckle.AspNetCore.SwaggerGen;
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using System.Collections;
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using System.Collections.Generic;
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using System.Text.Json.Nodes;
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namespace SimApi.SwaggerFilters;
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public class GlobalDynamicObjectSchemaFilter : ISchemaFilter
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{
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public void Apply(IOpenApiSchema schema, SchemaFilterContext context)
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{
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if (!IsDynamicObjectType(context.Type)) return;
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var oaSchema = schema as OpenApiSchema;
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oaSchema!.AdditionalPropertiesAllowed = true;
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oaSchema.AdditionalProperties = new OpenApiSchema
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{
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Type = JsonSchemaType.Object, // 表示 value 可以是任意类型(兼容所有类型)
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};
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// 2. 覆盖默认示例,使用包含多种类型的示例
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oaSchema.Example = CreateMultiTypeExample();
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}
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// 判断是否为需要处理的“动态对象”类型
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private bool IsDynamicObjectType(Type? type)
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{
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if (type == null) return false;
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if (typeof(IDictionary).IsAssignableFrom(type) ||
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(type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Dictionary<,>)))
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{
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return true;
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}
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if (type == typeof(object))
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{
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return true;
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}
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return type.Name.Contains("AnonymousType") && type.Namespace == null;
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}
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// 创建包含多种类型的示例(覆盖默认的 string 示例)
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private JsonNode CreateMultiTypeExample()
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{
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return new JsonObject
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{
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// 字符串类型:JsonValue.Create 包装字符串
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["stringProp"] = JsonValue.Create("example string"),
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// 数字类型:支持 int/long/double 等,JsonValue 自动适配
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["numberProp"] = JsonValue.Create(123),
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// 布尔类型
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["boolProp"] = JsonValue.Create(true),
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// 嵌套对象:JsonObject 对应 OpenApiObject
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["objectProp"] = new JsonObject
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{
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["nestedKey"] = JsonValue.Create("nested value")
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},
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// 数组类型:JsonArray 对应 OpenApiArray
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["arrayProp"] = new JsonArray
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{
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JsonValue.Create(1), // 数组内数字
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JsonValue.Create("two") // 数组内字符串
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},
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// 可选:添加 null 值示例(若需要)
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["nullProp"] = null
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};
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}
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} |