ESP32 HTTP Client 报错 今天在使用ESP32中的esp_http_client_init如下 Copy//结构体 typedef struct { char url[256]; } config_t; //主要代码 strncpy(config.url, "http://xxx/xxx", sizeof(config.url) - 1); config.url[sizeof(config.url
String jsonBuffer;// 获取远程 json 升级文件StringhttpGETRequest(constchar* serverName){ WiFiClient client; HTTPClient http; String payload ="";//连接目标网址http.begin(client, serverName);//发送HTTP站点请求inthttpCode = http.GET();if(httpCode >0) { Serial.printf("[HTTP] GET... code: %...
void parse_json(const char *json_string) { // 解析 JSON 字符串 cJSON *root = cJSON_Parse(json_string); if (root == NULL) { printf("Failed to parse JSON string\n"); return; } // 获取 "name" 属性的值 cJSON *name = cJSON_GetObjectItemCaseSensitive(root,...
{ // 获取远程的升级 json ,判断内部版本与本地是否相同,判断是否需要升级 jsonBuffer = httpGETRequest(updateJson); Serial.println(jsonBuffer); //将解析的Json对象值储存在Jsonu缓冲区中 JSONVar myObject = JSON.parse(jsonBuffer); Serial.println(myObject); // Serial.println(myObject["version"]);...
int httpResponseCode = http.POST(payload); if (httpResponseCode == 200) { String response = http.getString(); http.end(); Serial.println(response); // Parse JSON response DynamicJsonDocument jsonDoc(1024); deserializeJson(jsonDoc, response); ...
var xhttp = new XMLHttpRequest(); xhttp.open("POST", "/wifi_data", true); xhttp.onreadystatechange = function() { if (xhttp.readyState == 4) { if (xhttp.status == 200) { console.log(xhttp.responseText); } else if (xhttp.status == 0) { ...
();//关闭连接//返回获得的数据用于Json处理returnpayload;}// 依据json文件中版本号与本地版本号,判断是否需要进行更新voidisOrNotNeedUpdate(){// 获取远程的升级 json ,判断内部版本与本地是否相同,判断是否需要升级jsonBuffer=httpGETRequest(updateJson);Serial.println(jsonBuffer);//将解析的Json对象值储存...
int lRetVal=esp_http_client_get_status_code(client); ESP_LOGI(TAG, "HTTP Status = %d, data_read = %d", lRetVal, data_read); ESP_LOGI(TAG, "GET Request READ:\n%s", NET_RX_BUFFER); } }} else { ESP_LOGE(TAG, "esp_http_client_open FAIL:err=%d\r\n",err); ...
println(httpCode); // 读取响应 String response = httpBgMdl.getString(); Serial.println("response is ==="); Serial.println(response); // String answer = GetGnrlAnswerByRspJson(response); String answer = ParseMultiJson(response.c_str()); Serial.println("answer !!!"); Serial.println(ans...
7、最后我们使用http.POST()函数向OpenAI API服务发送HTTP POST请求。 int httpResponseCode = http.POST(payload); if (httpResponseCode == 200) { String response = http.getString(); // Parse JSON response DynamicJsonDocument jsonDoc(1024); ...