<form id="password-form"> <div class="form-group"> <label for="current-password">当前密码</label> <input type="password" class="form-control" id="current-password" name="current-password" placeholder="请输入当前密码" required> <div class="invalid-feedback">请输入当前密码</div> </div> <div class="form-group"> <label for="new-password">新密码</label> <input type="password" class="form-control" id="new-password" name="new-password" placeholder="请输入新密码" required oninput="checkNewPassword()"> <span id="new-password-tip" style="color:red;"></span> </div> <div class="form-group"> <label for="confirm-password">确认密码</label> <input type="password" class="form-control" id="confirm-password" name="confirm-password" placeholder="请再次输入新密码" required oninput="checkConfirmPassword()"> <span id="confirm-password-tip" style="color:red;"></span> </div> <button type="submit" class="btn btn-primary" id="submit-btn">确认修改</button></form><script> function checkNewPassword() { const password = document.getElementById('new-password').value; const regex = /^(?=.[A-Z])(?=.)(?=.[0-9])(?=.[!@#$%^&*()_+-=[]{};':"\|,.<>/?]).{8,}$/; const isValid = regex.test(password); const tip = document.getElementById('new-password-tip'); if (isValid) { tip.innerHTML = ''; } else { tip.innerHTML = '密码必须包含大小写字母、数字和特殊字符，并且长度不小于8位'; } } function checkConfirmPassword() { const password = document.getElementById('new-password').value; const confirmPassword = document.getElementById('confirm-password').value; const tip = document.getElementById('confirm-password-tip'); if (password === confirmPassword) { tip.innerHTML = ''; } else { tip.innerHTML = '两次输入的密码不相同'; } } const form = document.getElementById('password-form'); const submitBtn = document.getElementById('submit-btn'); form.addEventListener('submit', function(event) { event.preventDefault(); // 阻止默认的表单提交行为 const currentPassword = document.getElementById('current-password').value; const newPassword = document.getElementById('new-password').value; const confirmPassword = document.getElementById('confirm-password').value; // 发送 AJAX 请求到后台 const xhr = new XMLHttpRequest(); xhr.open('POST', '/change-password'); xhr.setRequestHeader('Content-Type', 'application/json'); xhr.onreadystatechange = function() { if (xhr.readyState === XMLHttpRequest.DONE) { if (xhr.status === 200) { alert('密码修改成功！'); } else { alert('密码修改失败，请重试！'); } } }; xhr.send(JSON.stringify({ currentPassword: currentPassword, newPassword: newPassword, confirmPassword: confirmPassword })); // 禁用提交按钮，防止重复提交 submitBtn.disabled = true; });</script>

这段代码是一个修改密码的表单，包括当前密码、新密码和确认密码三个输入框，以及一个提交按钮。在用户输入新密码和确认密码时，会进行格式和一致性检查，并在下方显示提示信息。当用户点击提交按钮时，会发送一个 AJAX 请求到后台，将当前密码、新密码和确认密码作为参数传递给服务器，如果修改成功则弹出提示框，否则也会弹出提示框。同时，为了防止用户重复提交，提交按钮会在点击后被禁用。

相关问题

<form> <div class="form-group"> <label for="current-password">当前密码</label> <input type="password" class="form-control" id="current-password" name="current-password" placeholder="请输入当前密码" required> <div class="invalid-feedback">请输入当前密码</div> </div> <div class="form-group"> <label for="new-password">新密码</label> <input type="password" class="form-control" id="new-password" name="new-password" placeholder="请输入新密码" pattern=".{6,}" title="密码长度必须大于等于6位" required> <div class="invalid-feedback">密码长度必须大于等于6位</div> </div> <div class="form-group"> <label for="confirm-password">确认密码</label> <input type="password" class="form-control" id="confirm-password" name="confirm-password" placeholder="请再次输入新密码" pattern=".{6,}" title="密码长度必须大于等于6位" required> <div class="invalid-feedback">密码长度必须大于等于6位</div> </div> <button type="submit" class="btn btn-primary">确认修改</button> </form>

这段代码是一个包含三个密码输入框的表单，分别是“当前密码”、“新密码”和“确认密码”。其中，“新密码”和“确认密码”输入框使用了`pattern`属性，规定了密码的最小长度为6位，并给出相应的提示信息。此外，“当前密码”输入框使用了`required`属性，表示该输入框必须填写才能提交表单。

如果要修改为必须有大小写字母加特殊字符组成，且不小于8位，则可以将代码修改为：

<form>
  <div class="form-group">
    <label for="current-password">当前密码</label>
    <input type="password" class="form-control" id="current-password" name="current-password" placeholder="请输入当前密码" required>
    <div class="invalid-feedback">请输入当前密码</div>
  </div>
  <div class="form-group">
    <label for="new-password">新密码</label>
    <input type="password" class="form-control" id="new-password" name="new-password" placeholder="请输入新密码" required oninput="checkNewPassword()">
    <span id="new-password-tip" style="color:red;"></span>
  </div>
  <div class="form-group">
    <label for="confirm-password">确认密码</label>
    <input type="password" class="form-control" id="confirm-password" name="confirm-password" placeholder="请再次输入新密码" required oninput="checkConfirmPassword()">
    <span id="confirm-password-tip" style="color:red;"></span>
  </div>
  <button type="submit" class="btn btn-primary">确认修改</button>
</form>
<script>
function checkNewPassword() {
  const password = document.getElementById('new-password').value;
  const regex = /^(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[!@#$%^&*()_+\-=[\]{};':"\\|,.<>/?]).{8,}$/;
  const isValid = regex.test(password);
  const tip = document.getElementById('new-password-tip');
  if (isValid) {
    tip.innerHTML = '';
  } else {
    tip.innerHTML = '密码必须包含大小写字母、数字和特殊字符，并且长度不小于8位';
  }
}
function checkConfirmPassword() {
  const password = document.getElementById('new-password').value;
  const confirmPassword = document.getElementById('confirm-password').value;
  const tip = document.getElementById('confirm-password-tip');
  if (password === confirmPassword) {
    tip.innerHTML = '';
  } else {
    tip.innerHTML = '两次输入的密码不相同';
  }
}
</script>

这段代码与之前的代码相比，主要是对“新密码”和“确认密码”输入框的校验逻辑进行了修改。在输入框中添加了`oninput`事件，当用户输入密码时，会自动调用`checkNewPassword`和`checkConfirmPassword`函数进行校验。`checkNewPassword`函数的逻辑与前面的前端表单中的校验逻辑相同，都是使用正则表达式判断密码是否符合要求，并在提示信息中显示具体的错误信息。`checkConfirmPassword`函数则用于判断两次输入的密码是否相同，并在提示信息中显示错误信息。

这样修改后，用户必须输入符合要求的新密码才能修改密码，并且两次输入的密码必须相同才能提交表单。

请把刚才未写完的代码继续展示出来，从“<div class="col-sm-6”这一段开始

<div class="col-sm-6">
<div class="form-group row">
<label for="email" class="col-sm-4 col-form-label">{{ __('Email Address') }}</label>

<div class="col-sm-8">
<input id="email" type="email" class="form-control @error('email') is-invalid @enderror" name="email" value="{{ old('email') }}" required autocomplete="email" autofocus>

@error('email')
<span class="invalid-feedback" role="alert">
<strong>{{ $message }}</strong>
</span>
@enderror
</div>
</div>

<div class="form-group row">
<label for="password" class="col-sm-4 col-form-label">{{ __('Password') }}</label>

<div class="col-sm-8">
<input id="password" type="password" class="form-control @error('password') is-invalid @enderror" name="password" required autocomplete="current-password">

@error('password')
<span class="invalid-feedback" role="alert">
<strong>{{ $message }}</strong>
</span>
@enderror
</div>
</div>

<div class="form-group row">
<div class="col-sm-8 offset-sm-4">
<div class="form-check">
<input class="form-check-input" type="checkbox" name="remember" id="remember" {{ old('remember') ? 'checked' : '' }}>

<label class="form-check-label" for="remember">
{{ __('Remember Me') }}
</label>
</div>
</div>
</div>

<div class="form-group row mb-0">
<div class="col-sm-8 offset-sm-4">
<button type="submit" class="btn btn-primary">
{{ __('Login') }}
</button>

@if (Route::has('password.request'))
<a class="btn btn-link" href="{{ route('password.request') }}">
{{ __('Forgot Your Password?') }}
</a>
@endif
</div>
</div>
</div>