注意：以下代码无法单独运行，必须结合课程中的工程使用
const char webconfig_mainhtml[] PROGMEM = R"rawliteral(
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WIFI配置</title>
</head>
<body>
<h1 align="center">Connect device to your WiFi</h1>
<br>
<form action="/wifi">
<table align="center" frame="box">
<tr>
<td><input type="radio" name="method" value="Auto" checked onclick="Auto_wifi()">扫描WIFI</td>
<td><input type="radio" name="method" value="Manual" onclick="Manual_wifi()">手动输入</td>
</tr>
<tr id="scan">
<td align="right">SSID:</td>
<td>
<select name="ssid" style="width:200px">
<option selected>Select a Network</option>
%WIFI_LIST%
</select>
</td>
</tr>
<tr id="Manual">
<td align="right">SSID:</td>
<td><input name="ssid_manual" style="width:200px"></td>
</tr>
<tr>
<td align="right">Password:</td>
<td><input name="password" style="width:200px"></td>
</tr>
<tr>
<td></td>
<td align="right"><button type="submit" style="width:100px">开始配置</button></td>
</tr>
</table>
</form>
<script>
document.getElementById("Manual").style.display = "none";
function Auto_wifi() {
document.getElementById("scan").style.display = "table-row";
document.getElementById("Manual").style.disable = true;
document.getElementById("Manual").style.display = "none";
window.location.reload();
}
function Manual_wifi() {
document.getElementById("scan").style.display = "none";
document.getElementById("scan").style.disable = true;
document.getElementById("Manual").style.display = "table-row";
}
</script>
</body>
</html>
)rawliteral";
const char webroot_mainhtml[] PROGMEM = R"rawliteral(
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WIFI STA Mode</title>
</head>
<body>
<h1 align="center">ESP32 Connected to %WIFI_SSID%</h1>
<br>
<div align="center">
<button type="button" onclick="deleteConfig()" style="width:200px; height:60px">删除配置</button>
</div>
<script>
function deleteConfig() {
var xhr = new XMLHttpRequest();
xhr.open("GET", "/rmconfig", true);
xhr.send();
xhr.onload = function() {
if (xhr.status === 200) {
alert("配置已删除");
window.location.reload();
} else {
alert("删除配置失败");
}
};
}
</script>
</body>
</html>
)rawliteral";