2.1 esp_http_client_init 2.2 esp_http_client_perform 2.3 esp_http_client_set_url 2.4 esp_http_client_set_method 2.5 esp_http_client_set_header 2.6 esp_http_client_set_post_field 2.7 esp_http_client_get_content_length 2.8 esp_http_client_get_status_code 2.9 esp_http_client_cleanup 三、...
esp_http_client_set_post_field(client, post_data, strlen(post_data)); err=esp_http_client_perform(client);if(err ==ESP_OK) { ESP_LOGI(TAG,"HTTP POST Status = %d, content_length = %d", esp_http_client_get_status_code(client), esp_http_client_get_content_length(client)); }else{...
1.1.1 新建自己的工程app-http-client 复制app-wifi-station例程并改名为app-http-client; 将编译生成的可烧录文件更名为app-http-client; 删除例程内旧的sdkconfig配置相关文件(包括main文件夹下),将官方例程esp_http_client内sdkconfig配置相关文件复制过来,完成后如下: 将examples\common_components\protocol_examples...
{memcpy(local_response_buffer+output_len,evt->data,evt->data_len);}else{if(output_buffer==NULL){output_buffer=(char*)malloc(esp_http_client_get_content_length(evt->client));output_len=0;if(output_buffer==NULL){ESP_LOGE(TAG,"Failed to allocate memory for output buffer");returnESP_FAIL...
2.6 esp_http_client_set_post_field 2.7 esp_http_client_get_content_length 2.8 esp_http_client_get_status_code 2.9 esp_http_client_cleanup 三、核心代码 3.1 HTTP事件回调函数 esp_err_t_http_event_handler(esp_http_client_event_t*evt){switch(evt->event_id){caseHTTP_EVENT_ERROR://错误事件E...
A、用 esp_http_client_config_t 结构体初始化 HTTP 客户端,如请求的 URL,请求方式(GET、POST 等),随后用 esp_http_client_init 函数初始化,会返回 esp_http_client_handle_t 类型的句柄,它就是个符号,后面调用的 HTTP 有关的函数需要用到它。
client = esp_http_client_init(&config); esp_err_t err = esp_http_client_perform(client); if (err == ESP_OK) { // ESP_LOGI(TAG, "HTTP GET Status = %d, content_length = %d", // esp_http_client_get_status_code(client), ...
if (NULL != client) { // GET esp_err = esp_http_client_perform(client); if (ESP_OK == esp_err) { int32_t rsp_code = esp_http_client_get_status_code(client); ESP_LOGI(TAG, "HTTP GET Status = %d, content_length = %d", ...
auth_response = http_auth_basic(client->connection_info.username, client->connection_info.password); } else if (client->connection_info.auth_type == HTTP_AUTH_TYPE_DIGEST && client->auth_data) { client->auth_data->uri = client->connection_info.path; ...
POST / HTTP1.1Host:User-Agent:Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CL 2、R 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)Content-Type:application/x-www-form-urlencodedContent-Length:40Connection: Keep-Alive2.1请求的相关函数2.1.1 begin封装请求的URLbool ...