(TAG, "数据写入失败"); goto cleanup; } int content_length = esp_http_client_fetch_headers(client); if (content_length < 0) { ESP_LOGE(TAG, "获取头部信息失败"); goto cleanup; } int data_read = esp_http_client_read_response(client, output_buffer, MAX_HTTP_OUTPUT_BUFFER); if (...
int content_length = esp_http_client_fetch_headers(client); int total_read_len = 0, read_len; if (total_read_len < content_length && content_length <= MAX_HTTP_RECV_BUFFER) { read_len = esp_http_client_read(client, buffer, content_length); if (read_len <= 0) { ESP_LOGE(TAG,...
int len = http.getSize(); // 读取响应正文数据字节数,如果返回-1是因为响应头中没有Content-Length属性 WiFiClient *stream = http.getStreamPtr(); // 获取响应正文数据流指针 while (http.connected() && (len > 0 || len == -1)) // 当前已连接并且有数据可读 { size_t size = stream->ava...
length())); Serial.println("contentlength"); Serial.println(JsonPayload.length()); int httpCode = httpBgMdl.POST(JsonPayload); // 检查响应状态码 if (httpCode > 0) { Serial.print("question HTTP Response code: "); Serial.println(httpCode); // 读取响应 String response = httpBgMdl.get...
esp_http_client_get_content_length(client)); }else{ ESP_LOGE(TAG,"HTTP HEAD request failed: %s", esp_err_to_name(err)); } esp_http_client_cleanup(client); }staticvoidhttp_perform_as_stream_reader(void) {char*buffer =malloc(MAX_HTTP_RECV_BUFFER +1);if(buffer ==NULL) { ...
Content-Length: 26\r\n Cache-Control: max-age=0\r\n Upgrade-Insecure-Requests: 1\r\n Origin: http://192.168.4.1\r\n Content-Type: application/x-www-form-urlencoded\r\nUser-Agent: Mozilla/5.0 (Linux; Android 9; MIX 2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.82 Mob...
println("Got " + String(contentLength) + " bytes from server");}// Next, the content type...
Content-Length,在http的协议中Content-Length头部告诉浏览器报文中实体数据的大小。 先从port读data,然后下面去处理 直接分割两次 把空格处理一下 不说了,直接看代码,后面是一个内置的错误处理 这些函数很简单,直接封装了 下面的代码是可以直接写入到ESP32里面的,我就不放了,有需要的私聊我。 代码语言:javasc...
int contentLength = 0; bool isValidContentType = false; // Your SSID and PSWD that the chip needs // to connect to const char* SSID = "YOUR-SSID"; const char* PSWD = "YOUR-SSID-PSWD"; // S3 Bucket Config String host = "bucket-name.s3.ap-south-1.amazonaws.com"; // Host =...
(client, "Content-Type", "application/json"); esp_http_client_set_post_field(client, post_data, post_data_len); // 执行请求 esp_err_t err = esp_http_client_perform(client); if (err == ESP_OK) { ESP_LOGI(TAG, "HTTP POST Status = %d, content_length = %d", esp_http_client_...