标签：Oauth2 http request client token API go HTTP set
Step1.示例代码
- 在APIPost SoapUI等软件中，参数对应的ABAP方法
TYPES: BEGIN OF ty_token, access_token TYPE char50, token_type TYPE char10, expires_in TYPE char10, scope TYPE char10, END OF ty_token. DATA: go_http_client TYPE REF TO if_http_client. DATA: gt_token TYPE TABLE OF ty_token, gs_token TYPE ty_token. DATA: response TYPE string, message TYPE string, token TYPE char50. CONSTANTS: gc_host TYPE string VALUE 'http://api.host.com', gc_auth TYPE string VALUE 'Basic YTU50Tk1MzgtOTNmNC01NzYyLWJmNjMtZ5hjODQzNjIwYWEwOjdiZGY0NGVjLTc4NGUCNGU0NC0N2MyLWZiNTQ4OTY4MjdhMQ=='. *****如果有汉字需要转码成ADCII ****CALL METHOD cl_http_utility=>escape_url **** EXPORTING **** unescaped = string_in **** RECEIVING **** escaped = string_out. ******* 创建客户端请求 CALL METHOD cl_http_client=>create_by_url EXPORTING url = gc_host IMPORTING client = go_http_client EXCEPTIONS argument_not_found = 1 plugin_not_active = 2 internal_error = 3 others = 4. IF sy-subrc <> 0. MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4. EXIT. ENDIF. ****go_http_client->propertytype_logon_popup = go_http_client->co_disabled. "关闭登录弹窗 ******* Step1:Get Token *http请求如果频率高，Get Token应该另外写程序，通过Background Job维持Token有效 *设置http协议版本 go_http_client->request->set_version( if_http_request=>co_protocol_version_1_1 ). *设置http请求方法 go_http_client->request->set_method( if_http_request=>co_request_method_post ). *设置URI cl_http_utility=>set_request_uri( request = go_http_client->request uri = '/openapi/oauth.token' ). *设置http请求头 go_http_client->request->set_header_field( name = 'Accept' value = '*/*' ). go_http_client->request->set_header_field( name = 'accept-encoding' value = 'gzip, deflate, br' ). go_http_client->request->set_header_field( name = 'accept-language' value = 'zh-CN' ). go_http_client->request->set_header_field( name = 'connection' value = 'keep-alive' ). go_http_client->request->set_header_field( name = 'Content-Type' value = 'application/json' ). go_http_client->request->set_header_field( name = 'charset' value = 'UTF-8' ). *Basic Auth:provide username:password in Base64 encoded in Authorization header go_http_client->request->set_header_field( name = 'Authorization' value = gc_auth ). *设置请求参数（请求参数也可以直接写在URI） go_http_client->request->set_form_field( name = 'grant_type' value = 'client_credentials' ). go_http_client->request->set_form_field( name = 'scope' value = 'client' ). *发送请求，并取得返回值 PERFORM frm_process. response = go_http_client->response->get_cdata( ). *异常时取得错误消息 IV_CP值如何获得：SE37->NLS_GET_FRONTEND_CP ****message = cl_bcs_convert=>xstring_to_string( EXPORTING iv_xstr = go_http_client->response->get_raw_message( ) iv_cp = 8404 ). IF response IS INITIAL. MESSAGE 'Get Token Failed' TYPE 'E'. ELSE. PERFORM frm_set_token. "JSON->结构/内表 保存值给全局TOKEN变量 ENDIF. ******* Step2:Get data *清楚Token返回的数据 CLEAR:response. *初始化http client对象 PERFORM frm_refresh_obj. *设置http协议版本 go_http_client->request->set_version( if_http_request=>co_protocol_version_1_1 ). *设置http请求方法 go_http_client->request->set_method( if_http_request=>co_request_method_get ). *设置URI cl_http_utility=>set_request_uri( request = go_http_client->request uri = '/openapi/thirdparty/api/staff/v1/staffs/getStaffIdByMobileNo' ). *设置http请求头 go_http_client->request->set_header_field( name = 'Accept' value = '*/*' ). go_http_client->request->set_header_field( name = 'accept-encoding' value = 'gzip, deflate, br' ). go_http_client->request->set_header_field( name = 'accept-language' value = 'zh-CN' ). go_http_client->request->set_header_field( name = 'connection' value = 'keep-alive' ). go_http_client->request->set_header_field( name = 'Content-Type' value = 'application/json' ). go_http_client->request->set_header_field( name = 'charset' value = 'UTF-8' ). *Auth By Token go_http_client->request->set_header_field( name = 'Authorization' value = |Bearer { token }| ). *设置请求参数（请求参数也可以直接写在URI） go_http_client->request->set_form_field( name = 'mobileNo' value = '1818*******' ). *设置Body参数 SET_CDATA using JSON for string SET_DATA using JSON for bitycode ****go_http_client->request->set_cdata( data = var_string ). PERFORM frm_process. response = go_http_client->response->get_cdata( ). *异常时取得错误消息 IV_CP值如何获得：SE37->NLS_GET_FRONTEND_CP message = cl_bcs_convert=>xstring_to_string( EXPORTING iv_xstr = go_http_client->response->get_raw_message( ) iv_cp = 8404 ). IF response IS INITIAL. MESSAGE 'Get Data Failed' TYPE 'E'. ELSE. cl_demo_output=>display( response ). ENDIF. *处理结束，关闭连接 CALL METHOD go_http_client->close. ******* FORM FORM frm_process. "发送 CALL METHOD go_http_client->send EXCEPTIONS http_communication_failure = 1 http_invalid_state = 2 http_processing_failed = 3 http_invalid_timeout = 4 OTHERS = 5. "接收 CALL METHOD go_http_client->receive EXCEPTIONS http_communication_failure = 1 http_invalid_state = 2 http_processing_failed = 3. ENDFORM. FORM frm_set_token. *JSON->内表 /ui2/cl_json=>deserialize( EXPORTING json = response CHANGING data = gs_token ). *Filling token token = gs_token-access_token. ENDFORM. FORM frm_refresh_obj. CALL METHOD go_http_client->refresh_request EXCEPTIONS http_action_failed = 1 OTHERS = 2. IF sy-subrc <> 0. * Implement suitable error handling here ENDIF. CALL METHOD go_http_client->refresh_response EXCEPTIONS http_action_failed = 1 OTHERS = 2. IF sy-subrc <> 0. * Implement suitable error handling here ENDIF. ENDFORM.
Step2.效果展示
- 获得Toekn
- 拿Token是否成功，返回消息
- 嵌入Token，获取数据
标签：Oauth2,http,request,client,token,API,go,HTTP,set 来源： https://www.cnblogs.com/joeg/p/15902068.html
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