![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418185906-6802a0faeb640.jpg\")
<\/p>\n<\/p>\n
Base64\u00a0\u662f\u4e00\u79cd\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u8f6c\u6362\u4e3a ASCII \u5b57\u7b26\u4e32\u7684\u7f16\u7801\u65b9\u5f0f，\u4f7f\u7528 64 \u4e2a\u53ef\u6253\u5370\u5b57\u7b26（A-Z, a-z, 0-9, +, \/）\u8868\u793a\u4e8c\u8fdb\u5236\u5185\u5bb9，\u5e76\u5728\u672b\u5c3e\u7528\u00a0=\u00a0\u586b\u5145\u3002\u5176\u6838\u5fc3\u76ee\u7684\u662f\u89e3\u51b3\u4e8c\u8fdb\u5236\u6570\u636e\u5728\u7eaf\u6587\u672c\u534f\u8bae（\u5982 HTTP）\u4e2d\u4f20\u8f93\u65f6\u7684\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/p>\n
HTTP \u57fa\u672c\u8ba4\u8bc1（Basic Authentication） \u4f5c\u7528：\u5c06\u7528\u6237\u540d\u548c\u5bc6\u7801\u62fc\u63a5\u4e3a username:password \u683c\u5f0f\u540e Base64 \u7f16\u7801，\u7f6e\u4e8e Authorization: Basic <\u51ed\u8bc1> \u5934\u4e2d\u4f20\u8f93\u3002\u4f8b\u5982:<\/p>\n
GET \/protected-resource HTTP\/1.1<\/p>\n
Authorization: Basic dXNlcjpwYXNzd2Q= <\/p>\n
\u6587\u672c\u534f\u8bae\u517c\u5bb9\u6027 \u786e\u4fdd\u4e8c\u8fdb\u5236\u6570\u636e（\u5982\u52a0\u5bc6\u54c8\u5e0c\u3001\u6587\u4ef6\u5185\u5bb9）\u5728 HTTP \u5934\u6216 URL \u4e2d\u4e0d\u56e0\u975e ASCII \u5b57\u7b26\u88ab\u622a\u65ad\u6216\u8f6c\u4e49\u3002<\/p>\n<\/li>\n
\u7b80\u6613\u6027\u4e0e\u901a\u7528\u6027<\/p>\n
\u6570\u636e\u81a8\u80c0 Base64 \u7f16\u7801\u540e\u6570\u636e\u4f53\u79ef\u589e\u52a0\u7ea6\u00a033%（\u6bcf 3 \u5b57\u8282\u4e8c\u8fdb\u5236\u6570\u636e\u6269\u5c55\u4e3a 4 \u5b57\u7b26），\u53ef\u80fd\u5f71\u54cd\u4f20\u8f93\u6548\u7387\u3002<\/p>\n<\/li>\n
\u65e0\u52a0\u5bc6\u4fdd\u62a4 Base64 \u4ec5\u7f16\u7801\u800c\u975e\u52a0\u5bc6，\u653b\u51fb\u8005\u53ef\u8f7b\u6613\u89e3\u7801\u8fd8\u539f\u539f\u59cb\u6570\u636e（\u5efa\u8bae\u914d\u5408 HTTPS \u5f25\u8865\u5b89\u5168\u6027）\u3002<\/p>\n<\/li>\n
Base64\u7f16\u7801\u4f9d\u8d56 \u4f7f\u7528mbedtls\/base64.h\u5e93\u8fdb\u884c\u7f16\u7801，\u9700\u5728menuconfig\u4e2d\u542f\u7528MBEDTLS_BASE64_C\u7ec4\u4ef6\u3002<\/p>\n<\/li>\n
esp32 idf\u5b9e\u73b0\u7ec6\u8282:<\/p>\n<\/li>\n
\u5ba2\u6237\u7aef\u53d1\u9001\u8bf7\u6c42\u8bbf\u95ee\u53d7\u9650\u533a\u57df，\u670d\u52a1\u5668\u8fd4\u56de401\u672a\u6388\u6743，\u8981\u6c42\u8ba4\u8bc1\u3002\u5ba2\u6237\u7aef\u5c06\u7528\u6237\u540d\u548c\u5bc6\u7801\u62fc\u63a5\u6210\u201cusername:password\u201d\u683c\u5f0f，\u8fdb\u884cBase64\u7f16\u7801，\u7136\u540e\u653e\u5728Authorization\u5934\u7684Basic\u5b57\u6bb5\u4e2d\u53d1\u9001\u3002\u670d\u52a1\u5668\u89e3\u7801\u9a8c\u8bc1，\u901a\u8fc7\u5219\u8fd4\u56de\u8d44\u6e90\u3002<\/p>\n
\u5bf9\u4e8e\u670d\u52a1\u5668\u90e8\u5206，\u9700\u8981ESP-IDF\u7684httpd\u7ec4\u4ef6，\u521b\u5efaHTTP\u670d\u52a1\u5668\u3002\u5904\u7406\u51fd\u6570\u4e2d，\u68c0\u67e5\u8bf7\u6c42\u5934\u4e2d\u7684Authorization\u5b57\u6bb5，\u5982\u679c\u6ca1\u6709，\u53d1\u9001401，\u5e76\u8bbe\u7f6eWWW-Authenticate\u5934\u3002\u5982\u679c\u6709，\u89e3\u7801Base64，\u9a8c\u8bc1\u7528\u6237\u540d\u5bc6\u7801\u3002<\/p>\n
\u5bf9\u4e8e\u5ba2\u6237\u7aef\u90e8\u5206，\u4f7f\u7528esp_http_client\u7ec4\u4ef6\u3002\u5f53\u53d1\u8d77\u8bf7\u6c42\u65f6，\u5982\u679c\u670d\u52a1\u5668\u8fd4\u56de401，\u9700\u8981\u5904\u7406\u91cd\u8bd5，\u6216\u8005\u76f4\u63a5\u9884\u5148\u6dfb\u52a0Authorization\u5934\u3002\u81ea\u52a8\u5904\u7406401\u53ef\u80fd\u9700\u8981\u5ba2\u6237\u7aef\u81ea\u5df1\u5904\u7406，\u6216\u8005\u76f4\u63a5\u5728\u7b2c\u4e00\u6b21\u8bf7\u6c42\u65f6\u6dfb\u52a0Authorization\u5934，\u907f\u514d401\u54cd\u5e94\u3002<\/p>\n
\u8be6\u7ec6\u6b65\u9aa4：<\/p>\n
\u670d\u52a1\u5668\u5b9e\u73b0\u6b65\u9aa4：<\/p>\n
1. \u914d\u7f6e\u5e76\u542f\u52a8HTTP\u670d\u52a1\u5668\u3002<\/p>\n
2. \u6ce8\u518c\u5904\u7406\u7a0b\u5e8f，\u4f8b\u5982\u5904\u7406GET\u8bf7\u6c42\u5230\u67d0\u4e2aURI\u3002<\/p>\n
3. \u5728\u5904\u7406\u51fd\u6570\u4e2d，\u68c0\u67e5\u8bf7\u6c42\u5934\u7684Authorization\u5b57\u6bb5\u3002<\/p>\n
4. \u5982\u679c\u6ca1\u6709\u8be5\u5b57\u6bb5，\u8bbe\u7f6e\u54cd\u5e94\u72b6\u6001\u4e3a401，\u6dfb\u52a0WWW-Authenticate\u5934，\u8fd4\u56de\u3002<\/p>\n
5. \u5982\u679c\u6709，\u63d0\u53d6Basic\u540e\u9762\u7684\u51ed\u8bc1，\u8fdb\u884cBase64\u89e3\u7801\u3002<\/p>\n
6. \u62c6\u5206\u7528\u6237\u540d\u548c\u5bc6\u7801，\u4e0e\u9884\u8bbe\u7684\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n
7. \u5982\u679c\u5339\u914d，\u8fd4\u56de\u8bf7\u6c42\u7684\u8d44\u6e90；\u5426\u5219\u8fd4\u56de403\u7981\u6b62\u8bbf\u95ee\u3002<\/p>\n
\u5ba2\u6237\u7aef\u5b9e\u73b0\u6b65\u9aa4：<\/p>\n
1. \u914d\u7f6eWiFi\u8fde\u63a5，\u8fde\u63a5\u5230AP\u3002<\/p>\n
2. \u4f7f\u7528esp_http_client\u53d1\u8d77HTTP GET\u8bf7\u6c42\u3002<\/p>\n
3. \u6784\u9020Authorization\u5934，\u5c06\u7528\u6237\u540d\u5bc6\u7801\u62fc\u63a5\u540eBase64\u7f16\u7801\u3002<\/p>\n
4. \u5c06\u5934\u6dfb\u52a0\u5230\u8bf7\u6c42\u4e2d，\u53d1\u9001\u8bf7\u6c42\u3002<\/p>\n
5. \u5904\u7406\u54cd\u5e94\u3002<\/p>\n
\u73b0\u5728，\u4ee3\u7801\u65b9\u9762\u9700\u8981\u6ce8\u610f\u7684\u70b9：<\/p>\n
\u670d\u52a1\u5668\u7aef：<\/p>\n
– \u4f7f\u7528httpd_config_t\u914d\u7f6e\u670d\u52a1\u5668\u53c2\u6570\u3002<\/p>\n
– \u521b\u5efaURI\u5904\u7406\u51fd\u6570，\u68c0\u67e5\u8bf7\u6c42\u5934\u3002<\/p>\n
– \u5904\u7406Base64\u89e3\u7801，\u7528\u6237\u5bc6\u7801\u6821\u9a8c\u3002<\/p>\n
– \u9700\u8981\u5305\u542b\u5fc5\u8981\u7684\u5934\u6587\u4ef6，\u6bd4\u5982httpd.h，\u4ee5\u53cabase64\u7f16\u89e3\u7801\u51fd\u6570\u3002<\/p>\n
\u5ba2\u6237\u7aef\u7aef：<\/p>\n
– \u4f7f\u7528esp_http_client_config_t\u914d\u7f6e\u5ba2\u6237\u7aef\u53c2\u6570\u3002<\/p>\n
– \u751f\u6210Authorization\u5934，\u5176\u4e2dBase64\u7f16\u7801\u9700\u8981\u6ce8\u610f\u662f\u5426\u6b63\u786e\u5904\u7406\u3002<\/p>\n
– \u53ef\u80fd\u9700\u8981\u624b\u52a8\u6dfb\u52a0\u5934\u5b57\u6bb5\u3002<\/p>\n
Base64\u7f16\u7801\u5728ESP32\u4e2d\u53ef\u4ee5\u7528mbedtls\u5e93\u4e2d\u7684\u51fd\u6570，\u6216\u8005\u4f7f\u7528\u5185\u7f6e\u7684base64\u7f16\u7801\u51fd\u6570\u3002\u4f8b\u5982，esp-idf\u6709\u63d0\u4f9bbase64_encode\u51fd\u6570\u5417,\u6216\u8005\u9700\u8981\u81ea\u5df1\u5b9e\u73b0,\u6216\u8005\u4f7f\u7528mbedtls\u7684base64\u51fd\u6570\u3002<\/p>\n
\u4f8b\u5982，\u4f7f\u7528mbedtls_base64_encode\u51fd\u6570\u6765\u7f16\u7801\u7528\u6237\u540d\u548c\u5bc6\u7801\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n
\u6ce8\u610f，\u5728\u62fc\u63a5\u7528\u6237\u540d\u5bc6\u7801\u65f6，\u4e2d\u95f4\u7528\u5192\u53f7\u8fde\u63a5，\u4f8b\u5982"admin:password"，\u7136\u540eBase64\u7f16\u7801\u3002<\/p>\n
\u5728\u670d\u52a1\u5668\u7aef，\u6536\u5230Authorization\u5934\u540e，\u53d6\u51faBase64\u5b57\u7b26\u4e32，\u89e3\u7801\u5f97\u5230"username:password"，\u7136\u540e\u5206\u5272\u6bd4\u8f83\u3002<\/p>\n
ESP32 IDF \u5b9e\u73b0\u670d\u52a1\u5668\u7aef\u4ee3\u7801\u00a0\u5b9e\u73b0\u4e00\u4e2a\u5e26\u6709 Basic \u8ba4\u8bc1\u7684 HTTP \u670d\u52a1\u5668\u3002<\/p>\n
#include <string.h>
\n#include "freertos\/FreeRTOS.h"
\n#include "freertos\/task.h"
\n#include "esp_system.h"
\n#include "esp_wifi.h"
\n#include "esp_event.h"
\n#include "esp_log.h"
\n#include "nvs_flash.h"
\n#include "esp_http_server.h"
\n#include "mbedtls\/base64.h"<\/p>\n
static const char *TAG = "http_server";
\n#define WIFI_SSID \u00a0 \u00a0 \u00a0"YOUR_SSID"
\n#define WIFI_PASS \u00a0 \u00a0 \u00a0"YOUR_PASSWORD"<\/p>\n
static httpd_handle_t server = NULL;<\/p>\n
\/\/ Basic \u8ba4\u8bc1\u5904\u7406\u51fd\u6570
\nstatic esp_err_t basic_auth_handler(httpd_req_t *req) {
\n\u00a0 \u00a0 const char *auth_header = httpd_req_get_hdr_value_str(req, "Authorization");
\n\u00a0 \u00a0 if (!auth_header) {
\n\u00a0 \u00a0 \u00a0 \u00a0 httpd_resp_set_status(req, "401 Unauthorized");
\n\u00a0 \u00a0 \u00a0 \u00a0 httpd_resp_set_hdr(req, "WWW-Authenticate", "Basic realm=\\\\"Restricted Area\\\\"");
\n\u00a0 \u00a0 \u00a0 \u00a0 httpd_resp_send(req, "Authentication Required", HTTPD_RESP_USE_STRLEN);
\n\u00a0 \u00a0 \u00a0 \u00a0 return ESP_OK;
\n\u00a0 \u00a0 }<\/p>\n
\u00a0 \u00a0 if (strncmp(auth_header, "Basic ", 6) != 0) {
\n\u00a0 \u00a0 \u00a0 \u00a0 httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Invalid auth header");
\n\u00a0 \u00a0 \u00a0 \u00a0 return ESP_FAIL;
\n\u00a0 \u00a0 }<\/p>\n
\u00a0 \u00a0 const char *encoded_creds = auth_header + 6;
\n\u00a0 \u00a0 uint8_t decoded_creds[128];
\n\u00a0 \u00a0 size_t out_len;
\n\u00a0 \u00a0 int ret = mbedtls_base64_decode(decoded_creds, sizeof(decoded_creds), &out_len,
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0(const unsigned char *)encoded_creds, strlen(encoded_creds));
\n\u00a0 \u00a0 if (ret != 0) {
\n\u00a0 \u00a0 \u00a0 \u00a0 httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Base64 decode failed");
\n\u00a0 \u00a0 \u00a0 \u00a0 return ESP_FAIL;
\n\u00a0 \u00a0 }
\n\u00a0 \u00a0 decoded_creds[out_len] = '\\\\0';<\/p>\n
\u00a0 \u00a0 char *username = strtok((char *)decoded_creds, ":");
\n\u00a0 \u00a0 char *password = strtok(NULL, ":");
\n\u00a0 \u00a0 if (!username || !password) {
\n\u00a0 \u00a0 \u00a0 \u00a0 httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Invalid credentials");
\n\u00a0 \u00a0 \u00a0 \u00a0 return ESP_FAIL;
\n\u00a0 \u00a0 }<\/p>\n
\u00a0 \u00a0 \/\/ \u9a8c\u8bc1\u7528\u6237\u540d\u5bc6\u7801（\u793a\u4f8b\u4e3a admin\/password123）
\n\u00a0 \u00a0 if (strcmp(username, "admin") || strcmp(password, "password123")) {
\n\u00a0 \u00a0 \u00a0 \u00a0 httpd_resp_send_err(req, HTTPD_403_FORBIDDEN, "Invalid credentials");
\n\u00a0 \u00a0 \u00a0 \u00a0 return ESP_FAIL;
\n\u00a0 \u00a0 }<\/p>\n
\u00a0 \u00a0 httpd_resp_send(req, "Authenticated Successfully!", HTTPD_RESP_USE_STRLEN);
\n\u00a0 \u00a0 return ESP_OK;
\n}<\/p>\n
\/\/ URI \u8def\u7531\u914d\u7f6e
\nstatic httpd_uri_t uri_handler = {
\n\u00a0 \u00a0 .uri = "\/",
\n\u00a0 \u00a0 .method = HTTP_GET,
\n\u00a0 \u00a0 .handler = basic_auth_handler,
\n\u00a0 \u00a0 .user_ctx = NULL
\n};<\/p>\n
\/\/ \u542f\u52a8 HTTP \u670d\u52a1\u5668
\nstatic void start_webserver() {
\n\u00a0 \u00a0 httpd_config_t config = HTTPD_DEFAULT_CONFIG();
\n\u00a0 \u00a0 config.lru_purge_enable = true;<\/p>\n
\u00a0 \u00a0 if (httpd_start(&server, &config) == ESP_OK) {
\n\u00a0 \u00a0 \u00a0 \u00a0 httpd_register_uri_handler(server, &uri_handler);
\n\u00a0 \u00a0 \u00a0 \u00a0 ESP_LOGI(TAG, "HTTP server started");
\n\u00a0 \u00a0 } else {
\n\u00a0 \u00a0 \u00a0 \u00a0 ESP_LOGE(TAG, "Failed to start server");
\n\u00a0 \u00a0 }
\n}<\/p>\n
\/\/ WiFi \u4e8b\u4ef6\u5904\u7406
\nstatic void wifi_event_handler(void *arg, esp_event_base_t event_base,
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0int32_t event_id, void *event_data) {
\n\u00a0 \u00a0 if (event_id == WIFI_EVENT_STA_START) {
\n\u00a0 \u00a0 \u00a0 \u00a0 esp_wifi_connect();
\n\u00a0 \u00a0 } else if (event_id == IP_EVENT_STA_GOT_IP) {
\n\u00a0 \u00a0 \u00a0 \u00a0 start_webserver();
\n\u00a0 \u00a0 }
\n}<\/p>\n
\/\/ \u521d\u59cb\u5316 WiFi
\nstatic void wifi_init_sta() {
\n\u00a0 \u00a0 esp_netif_init();
\n\u00a0 \u00a0 esp_event_loop_create_default();
\n\u00a0 \u00a0 esp_netif_create_default_wifi_sta();<\/p>\n
\u00a0 \u00a0 wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
\n\u00a0 \u00a0 esp_wifi_init(&cfg);<\/p>\n
\u00a0 \u00a0 esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_event_handler, NULL);
\n\u00a0 \u00a0 esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &wifi_event_handler, NULL);<\/p>\n
\u00a0 \u00a0 wifi_config_t wifi_config = {
\n\u00a0 \u00a0 \u00a0 \u00a0 .sta = {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .ssid = WIFI_SSID,
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .password = WIFI_PASS,
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .threshold.authmode = WIFI_AUTH_WPA2_PSK
\n\u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 };
\n\u00a0 \u00a0 esp_wifi_set_mode(WIFI_MODE_STA);
\n\u00a0 \u00a0 esp_wifi_set_config(WIFI_IF_STA, &wifi_config);
\n\u00a0 \u00a0 esp_wifi_start();
\n}<\/p>\n
void app_main() {
\n\u00a0 \u00a0 nvs_flash_init();
\n\u00a0 \u00a0 wifi_init_sta();
\n} <\/p>\n
\u56db.\u5ba2\u6237\u7aef\u4ee3\u7801<\/p>\n
\u5b9e\u73b0\u4e00\u4e2a\u901a\u8fc7 Basic \u8ba4\u8bc1\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u5ba2\u6237\u7aef\u3002<\/p>\n
#include <string.h>
\n#include "freertos\/FreeRTOS.h"
\n#include "freertos\/task.h"
\n#include "esp_system.h"
\n#include "esp_wifi.h"
\n#include "esp_event.h"
\n#include "esp_log.h"
\n#include "nvs_flash.h"
\n#include "esp_http_client.h"
\n#include "mbedtls\/base64.h"<\/p>\n
static const char *TAG = "http_client";
\n#define WIFI_SSID \u00a0 \u00a0 \u00a0"YOUR_SSID"
\n#define WIFI_PASS \u00a0 \u00a0 \u00a0"YOUR_PASSWORD"
\n#define SERVER_URL \u00a0 \u00a0 "http:\/\/SERVER_IP\/"<\/p>\n
\/\/ HTTP \u5ba2\u6237\u7aef\u4efb\u52a1
\nstatic void http_client_task(void *pvParameters) {
\n\u00a0 \u00a0 const char *username = "admin";
\n\u00a0 \u00a0 const char *password = "password123";
\n\u00a0 \u00a0 char credentials[64];
\n\u00a0 \u00a0 snprintf(credentials, sizeof(credentials), "%s:%s", username, password);<\/p>\n
\u00a0 \u00a0 unsigned char encoded_creds[128];
\n\u00a0 \u00a0 size_t encoded_len;
\n\u00a0 \u00a0 int ret = mbedtls_base64_encode(encoded_creds, sizeof(encoded_creds), &encoded_len,
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0(const unsigned char *)credentials, strlen(credentials));
\n\u00a0 \u00a0 if (ret != 0) {
\n\u00a0 \u00a0 \u00a0 \u00a0 ESP_LOGE(TAG, "Base64 encode failed: %d", ret);
\n\u00a0 \u00a0 \u00a0 \u00a0 vTaskDelete(NULL);
\n\u00a0 \u00a0 \u00a0 \u00a0 return;
\n\u00a0 \u00a0 }
\n\u00a0 \u00a0 encoded_creds[encoded_len] = '\\\\0';<\/p>\n
\u00a0 \u00a0 char auth_header[128];
\n\u00a0 \u00a0 snprintf(auth_header, sizeof(auth_header), "Basic %s", encoded_creds);<\/p>\n
\u00a0 \u00a0 esp_http_client_config_t config = {
\n\u00a0 \u00a0 \u00a0 \u00a0 .url = SERVER_URL,
\n\u00a0 \u00a0 \u00a0 \u00a0 .method = HTTP_METHOD_GET,
\n\u00a0 \u00a0 };
\n\u00a0 \u00a0 esp_http_client_handle_t client = esp_http_client_init(&config);
\n\u00a0 \u00a0 esp_http_client_set_header(client, "Authorization", auth_header);<\/p>\n
\u00a0 \u00a0 esp_err_t err = esp_http_client_perform(client);
\n\u00a0 \u00a0 if (err == ESP_OK) {
\n\u00a0 \u00a0 \u00a0 \u00a0 ESP_LOGI(TAG, "Status = %d, Content Length = %d",
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0esp_http_client_get_status_code(client),
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0esp_http_client_get_content_length(client));
\n\u00a0 \u00a0 } else {
\n\u00a0 \u00a0 \u00a0 \u00a0 ESP_LOGE(TAG, "Request failed: %s", esp_err_to_name(err));
\n\u00a0 \u00a0 }
\n\u00a0 \u00a0 esp_http_client_cleanup(client);
\n\u00a0 \u00a0 vTaskDelete(NULL);
\n}<\/p>\n
\/\/ WiFi \u4e8b\u4ef6\u5904\u7406
\nstatic void wifi_event_handler(void *arg, esp_event_base_t event_base,
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0int32_t event_id, void *event_data) {
\n\u00a0 \u00a0 if (event_id == WIFI_EVENT_STA_START) {
\n\u00a0 \u00a0 \u00a0 \u00a0 esp_wifi_connect();
\n\u00a0 \u00a0 } else if (event_id == IP_EVENT_STA_GOT_IP) {
\n\u00a0 \u00a0 \u00a0 \u00a0 xTaskCreate(http_client_task, "http_client_task", 4096, NULL, 5, NULL);
\n\u00a0 \u00a0 }
\n}<\/p>\n
\/\/ \u521d\u59cb\u5316 WiFi
\nstatic void wifi_init_sta() {
\n\u00a0 \u00a0 esp_netif_init();
\n\u00a0 \u00a0 esp_event_loop_create_default();
\n\u00a0 \u00a0 esp_netif_create_default_wifi_sta();<\/p>\n
\u00a0 \u00a0 wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
\n\u00a0 \u00a0 esp_wifi_init(&cfg);<\/p>\n
\u00a0 \u00a0 esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_event_handler, NULL);
\n\u00a0 \u00a0 esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &wifi_event_handler, NULL);<\/p>\n
\u00a0 \u00a0 wifi_config_t wifi_config = {
\n\u00a0 \u00a0 \u00a0 \u00a0 .sta = {
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .ssid = WIFI_SSID,
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .password = WIFI_PASS,
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .threshold.authmode = WIFI_AUTH_WPA2_PSK
\n\u00a0 \u00a0 \u00a0 \u00a0 }
\n\u00a0 \u00a0 };
\n\u00a0 \u00a0 esp_wifi_set_mode(WIFI_MODE_STA);
\n\u00a0 \u00a0 esp_wifi_set_config(WIFI_IF_STA, &wifi_config);
\n\u00a0 \u00a0 esp_wifi_start();
\n}<\/p>\n
void app_main() {
\n\u00a0 \u00a0 nvs_flash_init();
\n\u00a0 \u00a0 wifi_init_sta();
\n} <\/p>\n
\u914d\u7f6e WiFi \u4fe1\u606f \u66ff\u6362\u4ee3\u7801\u4e2d\u7684\u00a0YOUR_SSID\u3001YOUR_PASSWORD\u00a0\u548c\u00a0SERVER_IP\u3002<\/p>\n<\/li>\n
\u90e8\u7f72\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef<\/p>\n
\u670d\u52a1\u5668\u4ee3\u7801：\u8fd0\u884c\u5728\u63d0\u4f9b\u8d44\u6e90\u7684 ESP32 \u4e0a\u3002<\/p>\n<\/li>\n
\u5ba2\u6237\u7aef\u4ee3\u7801：\u8fd0\u884c\u5728\u9700\u8981\u8bbf\u95ee\u8d44\u6e90\u7684 ESP32 \u4e0a\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
\u9a8c\u8bc1\u6d41\u7a0b<\/p>\n
\u5ba2\u6237\u7aef\u9996\u6b21\u8bf7\u6c42\u4f1a\u6536\u5230\u00a0401，\u968f\u540e\u643a\u5e26\u8ba4\u8bc1\u5934\u91cd\u65b0\u8bf7\u6c42\u3002<\/p>\n<\/li>\n
\u670d\u52a1\u5668\u9a8c\u8bc1\u901a\u8fc7\u540e\u8fd4\u56de\u8d44\u6e90，\u5426\u5219\u8fd4\u56de\u00a0403\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
\u901a\u8fc7\u4e0a\u8ff0\u4ee3\u7801，ESP32 \u53ef\u5b9e\u73b0\u5b8c\u6574\u7684 HTTP \u57fa\u672c\u8ba4\u8bc1\u6d41\u7a0b，\u9002\u7528\u4e8e IoT \u8bbe\u5907\u7684\u5b89\u5168\u901a\u4fe1\u573a\u666f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb824\u6b21\uff0c\u70b9\u8d5e38\u6b21\uff0c\u6536\u85cf10\u6b21\u3002Base64\u662f\u4e00\u79cd\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u8f6c\u6362\u4e3a ASCII \u5b57\u7b26\u4e32\u7684\u7f16\u7801\u65b9\u5f0f\uff0c\u4f7f\u7528 64 \u4e2a\u53ef\u6253\u5370\u5b57\u7b26\uff08\uff09\u8868\u793a\u4e8c\u8fdb\u5236\u5185\u5bb9\uff0c\u5e76\u5728\u672b\u5c3e\u7528\u586b\u5145\u3002\u5176\u6838\u5fc3\u76ee\u7684\u662f\u89e3\u51b3\u4e8c\u8fdb\u5236\u6570\u636e\u5728\u7eaf\u6587\u672c\u534f\u8bae\uff08\u5982 HTTP\uff09\u4e2d\u4f20\u8f93\u65f6\u7684\u517c\u5bb9\u6027\u95ee\u9898\u3002HTTP \u57fa\u672c\u8ba4\u8bc1\uff08Basic Authentication\uff09 \u4f5c\u7528\uff1a\u5c06\u7528\u6237\u540d\u548c\u5bc6\u7801\u62fc\u63a5\u4e3a username:password \u683c\u5f0f\u540e Base64 \u7f16\u7801\uff0c\u7f6e\u4e8e Authorization: Basic \u5934\u4e2d\u4f20\u8f93\u3002\u4f8b\u5982:Base64\u4f18\u52bf\u6587\u672c\u534f\u8bae\u517c\u5bb9\u6027\u3002<\/p>\n","protected":false},"author":2,"featured_media":20248,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[151,43,191],"topic":[],"class_list":["post-20249","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-http","tag-43","tag-191"],"yoast_head":"\n