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在 VS2019 中使用 API Gateway 部署到 AWS Lambda 會給出 {“message”:“Internal Server Error”}

[英]Deploying to AWS Lambda in VS2019 with API Gateway gives {“message”:“Internal Server Error”}

通過 Lambda 控制台測試 Lambda 本身; 我傳入“asdf”並得到“ASDF”作為響應。

但是,當我添加 API 網關時:

我收到一條 {"message":"Internal Server Error"}

此代碼有效(刪除input參數):

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

using Amazon.Lambda.Core;
using Complyify.Contexts;
using Complyify.Engines;

// Assembly attribute to enable the Lambda function's JSON input to be converted into a .NET class.
[assembly: LambdaSerializer(typeof(Amazon.Lambda.Serialization.SystemTextJson.DefaultLambdaJsonSerializer))]

namespace ComplyifyLambda
{
    public class Function
    {
        public string FunctionHandler(/* string input, */ ILambdaContext context)
        {
            return "Hello, World";
        }
    }
}

此代碼不起作用:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

using Amazon.Lambda.Core;
using Complyify.Contexts;
using Complyify.Engines;

// Assembly attribute to enable the Lambda function's JSON input to be converted into a .NET class.
[assembly: LambdaSerializer(typeof(Amazon.Lambda.Serialization.SystemTextJson.DefaultLambdaJsonSerializer))]

namespace ComplyifyLambda
{
    public class Function
    {
        public string FunctionHandler(string input, ILambdaContext context)
        {
            return input?.ToUpper();
        }
    }
}

正如@zaitsman 指出的,我需要使用Amazon.Lambda.APIGatewayEvents NuGet 包。

我發現這個答案很有用

此代碼有效:

        public APIGatewayProxyResponse FunctionHandler(APIGatewayProxyRequest request, ILambdaContext context)
        {
            var bodyString = request?.Body;

            if (!string.IsNullOrEmpty(bodyString))
            {
                return new APIGatewayProxyResponse
                {
                    StatusCode = 200,
                    Body = bodyString.ToUpper()
                };
            }

            return new APIGatewayProxyResponse
            {
                StatusCode = 200,
                Body = "No body!"
            };
        }

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