http://www.javashuo.com/article/p-oozllcrf-hp.htmlhtml
文件系统git
https://blog.csdn.net/solar_Lan/article/details/74231360web
学习的网络知识ajax
http://www.runoob.com/ajax/ajax-examples.html网络
#include <ESP8266WiFi.h>
/*** 该工程能够在2.4.0版本esp8266库中运行，没在更高版本库中进行测试 ***/
const char *ssid = "HUAWEI-H3VBKZ";
const char *password = "13991320168";
WiFiServer server(80);
String readString = ""; //创建一个字符串对象用来接收存放来自客户的数据
//响应头
String responseHeaders =
String("") +
"HTTP/1.1 200 OK\r\n" +
"Content-Type: text/html\r\n" +
"Connection: close\r\n" +
"\r\n";
//网页
String myhtmlPage =
String("") +
"<html>" +
"<head>" +
" <title>ESP8266 Web Server Test</title>" +
" <script defer=\"defer\">" +
" function ledSwitch() {" +
" var xmlhttp;" +
" if (window.XMLHttpRequest) {" +
" xmlhttp = new XMLHttpRequest();" +
" } else {" +
" xmlhttp = new ActiveXObject(\"Microsoft.XMLHTTP\");" +
" }" +
" xmlhttp.onreadystatechange = function () {" +
" if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {" +
" document.getElementById(\"txtState\").innerHTML = xmlhttp.responseText;" +
" }" +
" }," +
" xmlhttp.open(\"GET\", \"Switch\", true);" +
" xmlhttp.send(); " +
" }" +
" </script>" +
"</head>" +
"<body>" +
" <div id=\"txtState\">Unkwon</div>" +
" <input type=\"button\" value=\"Switch\" onclick=\"ledSwitch()\">" +
"</body>" +
"</html>";
bool isLedTurnOpen = false; // 记录LED状态
void setup()
{
pinMode(D4, OUTPUT);
digitalWrite(D4, HIGH); // 熄灭LED
Serial.begin(115200);
Serial.println();
Serial.printf("Connecting to %s ", ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
Serial.print(".");
}
Serial.println(" connected");
server.begin();
Serial.printf("Web server started, open %s in a web browser\n", WiFi.localIP().toString().c_str());
}
void loop()
{
WiFiClient client = server.available(); //尝试创建客户对象
if (client) //若是当前有客户可用
{
boolean currentLineIsBlank = true;
Serial.println("[Client connected]");
while (client.connected()) //若是客户端创建链接
{
if (client.available()) //等待有可读数据
{
char c = client.read(); //读取一字节数据
readString += c; //拼接数据
/************************************************/
if (c == '\n' && currentLineIsBlank) //等待请求头接收完成(接收到空行)
{
//比较接收到的请求数据
if (readString.startsWith("GET / HTTP/1.1")) //若是是网页请求
{
client.print(responseHeaders); //向客户端输出网页响应
client.print(myhtmlPage); //向客户端输出网页内容
client.print("\r\n");
}
else if (readString.startsWith("GET /Switch")) //若是是改变LED状态请求
{
if (isLedTurnOpen == false)
{
digitalWrite(D4, LOW); // 点亮LED
client.print("LED has been turn on");
isLedTurnOpen = true;
}
else
{
digitalWrite(D4, HIGH); // 熄灭LED
client.print("LED has been turn off");
isLedTurnOpen = false;
}
}
else
{
client.print("\r\n");
}
break;
}
if (c == '\n')
{
currentLineIsBlank = true; //开始新行
}
else if (c != '\r')
{
currentLineIsBlank = false; //正在接收某行中
}
/************************************************/
}
}
delay(1); //等待客户完成接收
client.stop(); //结束当前链接:
Serial.println("[Client disconnected]");
Serial.println(readString); //打印输出来自客户的数据
readString = "";
}
}
改进密码登陆模式oop
#include <ESP8266WiFi.h>
/*** 该工程能够在2.4.0版本esp8266库中运行，没在更高版本库中进行测试 ***/
const char *ssid = "HUAWEI-H3VBKZ";
const char *password = "13991320168";
WiFiServer server(80);
String readString = ""; //创建一个字符串对象用来接收存放来自客户的数据
//响应头
String responseHeaders =
String("") +
"HTTP/1.1 200 OK\r\n" +
"Content-Type: text/html\r\n" +
"Connection: close\r\n" +
"\r\n";
//网页
String myhtmlPage=
String("") +
"<html>" +
"<head>" +
"<meta charset=\"utf-8\">"+
" <title>ESP8266 配置信息</title>" +
" <script defer=\"defer\">" +
" function ledSwitch() {" +
" var name = document.getElementById(\"wifiname\").value;"+
" var psw = document.getElementById(\"wifipwd\").value;"+
" var xmlhttp;" +
" if (window.XMLHttpRequest) {" +
" xmlhttp = new XMLHttpRequest();" +
" } else {" +
" xmlhttp = new ActiveXObject(\"Microsoft.XMLHTTP\");" +
" }" +
" xmlhttp.onreadystatechange = function () {" +
" if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {" +
" document.getElementById(\"txtState\").innerHTML = xmlhttp.responseText;" +
" }" +
" }," +
" xmlhttp.open(\"GET\", \"Switch\"+name+psw, true);" +
" xmlhttp.send(); " +
" }" +
" </script>" +
"</head>" +
"<body>"
"<h3>链接WIFI:</h3>"+
"<form action=\"\"> "+
"WIFI帐号: <input type=\"text\" id=\"wifiname\" />"+
"</form>"+
"<form action=\"\"> "+
"WIFI密码: <input type=\"text\" id=\"wifipwd\" />"+
"</form>"+
"<button type=\"button\" onclick=\"ledSwitch()\"> 链接 </button>"+
"<p>状态消息: <span id=\"txtState\"></span></p> "+
"</body>" +
"</html>";
bool isLedTurnOpen = false; // 记录LED状态
void setup()
{
pinMode(D4, OUTPUT);
digitalWrite(D4, HIGH); // 熄灭LED
Serial.begin(115200);
Serial.println();
Serial.printf("Connecting to %s ", ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
Serial.print(".");
}
Serial.println(" connected");
server.begin();
Serial.printf("Web server started, open %s in a web browser\n", WiFi.localIP().toString().c_str());
}
void loop()
{
WiFiClient client = server.available(); //尝试创建客户对象
if (client) //若是当前有客户可用
{
boolean currentLineIsBlank = true;
Serial.println("[Client connected]");
while (client.connected()) //若是客户端创建链接
{
if (client.available()) //等待有可读数据
{
char c = client.read(); //读取一字节数据
readString += c; //拼接数据
/************************************************/
if (c == '\n' && currentLineIsBlank) //等待请求头接收完成(接收到空行)
{
//比较接收到的请求数据
if (readString.startsWith("GET / HTTP/1.1")) //若是是网页请求
{
client.print(responseHeaders); //向客户端输出网页响应
client.print(myhtmlPage); //向客户端输出网页内容
client.print("\r\n");
}
else if (readString.startsWith("GET /Switch")) //若是是改变LED状态请求
{
if (isLedTurnOpen == false)
{
digitalWrite(D4, LOW); // 点亮LED
client.print("LED has been turn on");
isLedTurnOpen = true;
}
else
{
digitalWrite(D4, HIGH); // 熄灭LED
client.print("LED has been turn off");
isLedTurnOpen = false;
}
}
else
{
client.print("\r\n");
}
break;
}
if (c == '\n')
{
currentLineIsBlank = true; //开始新行
}
else if (c != '\r')
{
currentLineIsBlank = false; //正在接收某行中
}
/************************************************/
}
}
delay(1); //等待客户完成接收
client.stop(); //结束当前链接:
Serial.println("[Client disconnected]");
Serial.println(readString); //打印输出来自客户的数据
readString = "";
}
}