所以我找到了一种方法。您需要实现RequestStreamHandler，它为您提供可以使用的输入和输出流：
import com.amazonaws.services.lambda.runtime.RequestStreamHandler
public class ChartHandler implements RequestStreamHandler {
private ObjectMapper objectMapper = new ObjectMapper();
@Override
public void handleRequest(InputStream inputStream, OutputStream outputStream, Context context) throws IOException {
DeserializationClass deserializedInput = objectMapper.readValue(inputStream, DeserializationClass.class)
objectMapper.writeValue(outputStream, deserializedInput); //write to the outputStream what you want to return
}
}
具有输入和输出流使您独立于用于解析它的格式和框架。
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