本文属于机器翻译版本。若本译文内容与英语原文存在差异，则一律以英文原文为准。 # 使用 SDK for SAP ABAP 的 Amazon Bedrock 运行时系统示例 以下代码示例向您展示了如何使用适用于 SAP ABAP 的 AWS 软件开发工具包和 Amazon Bedrock Runtime 来执行操作和实现常见场景。 每个示例都包含一个指向完整源代码的链接，您可以从中找到有关如何在上下文中设置和运行代码的说明。 **Topics** + [Anthropic Claude](#anthropic_claude) + [Stable Diffusion](#stable_diffusion) ## Anthropic Claude ### InvokeModel 以下代码示例演示如何使用调用模型 API 向 Anthropic Claude 发送文本消息。 **适用于 SAP ABAP 的 SDK** 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/sap-abap/services/bdr#code-examples)中查找完整示例，了解如何进行设置和运行。 调用 Anthropic Claude 2 基础模型以生成文本。此示例使用 US2 //CL\$1JSON 的功能，这些功能在某些版本上可能不可用。 NetWeaver ``` "Claude V2 Input Parameters should be in a format like this: * { * "prompt":"\n\nHuman:\\nTell me a joke\n\nAssistant:\n", * "max_tokens_to_sample":2048, * "temperature":0.5, * "top_k":250, * "top_p":1.0, * "stop_sequences":[] * } DATA: BEGIN OF ls_input, prompt TYPE string, max_tokens_to_sample TYPE /aws1/rt_shape_integer, temperature TYPE /aws1/rt_shape_float, top_k TYPE /aws1/rt_shape_integer, top_p TYPE /aws1/rt_shape_float, stop_sequences TYPE /aws1/rt_stringtab, END OF ls_input. "Leave ls_input-stop_sequences empty. ls_input-prompt = |\n\nHuman:\\n{ iv_prompt }\n\nAssistant:\n|. ls_input-max_tokens_to_sample = 2048. ls_input-temperature = '0.5'. ls_input-top_k = 250. ls_input-top_p = 1. "Serialize into JSON with /ui2/cl_json -- this assumes SAP_UI is installed. DATA(lv_json) = /ui2/cl_json=>serialize( data = ls_input pretty_name = /ui2/cl_json=>pretty_mode-low_case ). TRY. DATA(lo_response) = lo_bdr->invokemodel( iv_body = /aws1/cl_rt_util=>string_to_xstring( lv_json ) iv_modelid = 'anthropic.claude-v2' iv_accept = 'application/json' iv_contenttype = 'application/json' ). "Claude V2 Response format will be: * { * "completion": "Knock Knock...", * "stop_reason": "stop_sequence" * } DATA: BEGIN OF ls_response, completion TYPE string, stop_reason TYPE string, END OF ls_response. /ui2/cl_json=>deserialize( EXPORTING jsonx = lo_response->get_body( ) pretty_name = /ui2/cl_json=>pretty_mode-camel_case CHANGING data = ls_response ). DATA(lv_answer) = ls_response-completion. CATCH /aws1/cx_bdraccessdeniedex INTO DATA(lo_ex). WRITE / lo_ex->get_text( ). WRITE / |Don't forget to enable model access at https://console.aws.amazon.com/bedrock/home?#/modelaccess|. ENDTRY. ``` 使用 L2 高级别客户端调用 Anthropic Claude 2 基础模型来生成文本。 ``` TRY. DATA(lo_bdr_l2_claude) = /aws1/cl_bdr_l2_factory=>create_claude_2( lo_bdr ). " iv_prompt can contain a prompt like 'tell me a joke about Java programmers'. DATA(lv_answer) = lo_bdr_l2_claude->prompt_for_text( iv_prompt ). CATCH /aws1/cx_bdraccessdeniedex INTO DATA(lo_ex). WRITE / lo_ex->get_text( ). WRITE / |Don't forget to enable model access at https://console.aws.amazon.com/bedrock/home?#/modelaccess|. ENDTRY. ``` 使用 L2 高级别客户端调用 Anthropic Claude 3 基础模型来生成文本。 ``` TRY. " Choose a model ID from Anthropic that supports the Messages API - currently this is " Claude v2, Claude v3 and v3.5. For the list of model ID, see: " https://docs.aws.amazon.com/bedrock/latest/userguide/model-ids.html " for the list of models that support the Messages API see: " https://docs.aws.amazon.com/bedrock/latest/userguide/model-parameters-anthropic-claude-messages.html DATA(lo_bdr_l2_claude) = /aws1/cl_bdr_l2_factory=>create_anthropic_msg_api( io_bdr = lo_bdr iv_model_id = 'anthropic.claude-3-sonnet-20240229-v1:0' ). " choosing Claude v3 Sonnet " iv_prompt can contain a prompt like 'tell me a joke about Java programmers'. DATA(lv_answer) = lo_bdr_l2_claude->prompt_for_text( iv_prompt = iv_prompt iv_max_tokens = 100 ). CATCH /aws1/cx_bdraccessdeniedex INTO DATA(lo_ex). WRITE / lo_ex->get_text( ). WRITE / |Don't forget to enable model access at https://console.aws.amazon.com/bedrock/home?#/modelaccess|. ENDTRY. ``` + 有关 API 的详细信息，请参阅适用[InvokeModel](https://docs.aws.amazon.com/sdk-for-sap-abap/v1/api/latest/index.html)于 S *AP 的AWS SDK ABAP API 参考*。 ## Stable Diffusion ### InvokeModel 以下代码示例演示如何在 Amazon Bedrock 上调用 Stability.ai Stable Diffusion XL 来生成图像。 **适用于 SAP ABAP 的 SDK** 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/sap-abap/services/bdr#code-examples)中查找完整示例，了解如何进行设置和运行。 使用 Stable Diffusion 创建图像。 ``` "Stable Diffusion Input Parameters should be in a format like this: * { * "text_prompts": [ * {"text":"Draw a dolphin with a mustache"}, * {"text":"Make it photorealistic"} * ], * "cfg_scale":10, * "seed":0, * "steps":50 * } TYPES: BEGIN OF prompt_ts, text TYPE /aws1/rt_shape_string, END OF prompt_ts. DATA: BEGIN OF ls_input, text_prompts TYPE STANDARD TABLE OF prompt_ts, cfg_scale TYPE /aws1/rt_shape_integer, seed TYPE /aws1/rt_shape_integer, steps TYPE /aws1/rt_shape_integer, END OF ls_input. APPEND VALUE prompt_ts( text = iv_prompt ) TO ls_input-text_prompts. ls_input-cfg_scale = 10. ls_input-seed = 0. "or better, choose a random integer. ls_input-steps = 50. DATA(lv_json) = /ui2/cl_json=>serialize( data = ls_input pretty_name = /ui2/cl_json=>pretty_mode-low_case ). TRY. DATA(lo_response) = lo_bdr->invokemodel( iv_body = /aws1/cl_rt_util=>string_to_xstring( lv_json ) iv_modelid = 'stability.stable-diffusion-xl-v1' iv_accept = 'application/json' iv_contenttype = 'application/json' ). "Stable Diffusion Result Format: * { * "result": "success", * "artifacts": [ * { * "seed": 0, * "base64": "iVBORw0KGgoAAAANSUhEUgAAAgAAA.... * "finishReason": "SUCCESS" * } * ] * } TYPES: BEGIN OF artifact_ts, seed TYPE /aws1/rt_shape_integer, base64 TYPE /aws1/rt_shape_string, finishreason TYPE /aws1/rt_shape_string, END OF artifact_ts. DATA: BEGIN OF ls_response, result TYPE /aws1/rt_shape_string, artifacts TYPE STANDARD TABLE OF artifact_ts, END OF ls_response. /ui2/cl_json=>deserialize( EXPORTING jsonx = lo_response->get_body( ) pretty_name = /ui2/cl_json=>pretty_mode-camel_case CHANGING data = ls_response ). IF ls_response-artifacts IS NOT INITIAL. DATA(lv_image) = cl_http_utility=>if_http_utility~decode_x_base64( ls_response-artifacts[ 1 ]-base64 ). ENDIF. CATCH /aws1/cx_bdraccessdeniedex INTO DATA(lo_ex). WRITE / lo_ex->get_text( ). WRITE / |Don't forget to enable model access at https://console.aws.amazon.com/bedrock/home?#/modelaccess|. ENDTRY. ``` 使用 L2 高级别客户端调用 Stability.ai Stable Diffusion XL 基础模型来生成图像。 ``` TRY. DATA(lo_bdr_l2_sd) = /aws1/cl_bdr_l2_factory=>create_stable_diffusion_xl_1( lo_bdr ). " iv_prompt contains a prompt like 'Show me a picture of a unicorn reading an enterprise financial report'. DATA(lv_image) = lo_bdr_l2_sd->text_to_image( iv_prompt ). CATCH /aws1/cx_bdraccessdeniedex INTO DATA(lo_ex). WRITE / lo_ex->get_text( ). WRITE / |Don't forget to enable model access at https://console.aws.amazon.com/bedrock/home?#/modelaccess|. ENDTRY. ``` + 有关 API 的详细信息，请参阅适用[InvokeModel](https://docs.aws.amazon.com/sdk-for-sap-abap/v1/api/latest/index.html)于 S *AP 的AWS SDK ABAP API 参考*。