参考医生: https://docs.aws.amazon.com/apigateway/latest/developerguide/integrating-api-with-aws-services-lambda.html#api-as-lambda-proxy-expose-get-method-with-path-parameters-to-call-lambda-function

需要修改映射模板

查询字符串可以直接在lambda中用javascript解析

GET /user?name =鲍勃

 var name = event.queryStringParameters.name;

但是，这并不能解决GET用户/bob的问题。

让它工作的步骤是:

在API网关控制台中…

Go to Resources -> Integration Request Click on the plus or edit icon next to the templates dropdown (odd I know since the template field is already open and the button here looks greyed out) Explicitly type application/json in the content-type field even though it shows a default (if you don't do this it will not save and will not give you an error message) put this in the input mapping { "name": "$input.params('name')" } click on the check box next to the templates dropdown (I'm assuming this is what finally saves it)

正如@Jonathan的回答，在集成请求中标记使用Lambda代理集成后，在您的源代码中，您应该按以下格式实现通过502坏网关错误。

NodeJS 8.10：

exports.handler = async (event, context, callback) => {
  // TODO: You could get path, parameter, headers, body value from this
  const { path, queryStringParameters, headers, body } = event;

  const response = {
    "statusCode": 200,
    "headers": {
      "Content-Type": "application/json"
    },
    "body": JSON.stringify({
      path, 
      query: queryStringParameters,
      headers,
      body: JSON.parse(body)
    }),
    "isBase64Encoded": false
  };

  return response;
};

在重新运行API之前，不要忘记在API网关部署您的资源。 Response JSON只返回正文中正确的集合。 你可以从事件中获取路径，参数，头，体值

const {path, queryStringParameters, headers, body} = event;

Lambda函数需要JSON输入，因此需要解析查询字符串。解决方案是使用Mapping Template将查询字符串更改为JSON。我用它为c# . net核心，所以预期的输入应该是一个JSON与“queryStringParameters”参数。遵循以下4个步骤来实现这一目标:

打开API Gateway资源的映射模板，添加新的application/json content-tyap:

Copy the template below, which parses the query string into JSON, and paste it into the mapping template: { "queryStringParameters": {#foreach($key in $input.params().querystring.keySet())#if($foreach.index > 0),#end"$key":"$input.params().querystring.get($key)"#end} } In the API Gateway, call your Lambda function and add the following query string (for the example): param1=111&param2=222&param3=333 The mapping template should create the JSON output below, which is the input for your Lambda function. { "queryStringParameters": {"param3":"333","param1":"111","param2":"222"} } You're done. From this point, your Lambda function's logic can use the query string parameters. Good luck!

得到-用户?name =鲍勃

{
    "name": "$input.params().querystring.get('name')"
}

获取/用户/鲍勃

{
    "name": "$input.params('name')"
}