$(document).ready(function() {
  $('#myForm').validate({
    rules: {
      'user[name]': 'required',
      'user[email]': {
        required: true,
        email: true
      }
    },
    messages: {
      'user[name]': '请输入姓名',
      'user[email]': {
        required: '请输入邮箱',
        email: '请输入有效的邮箱地址'
      }
    },
    submitHandler: function(form) {
      $.ajax({
        url: $(form).attr('action'),
        type: 'POST',
        data: $(form).serialize(),
        dataType: 'json',
        success: function(response) {
          // 处理成功响应
        },
        error: function(xhr) {
          // 处理错误
        }
      });
      return false; // 阻止默认表单提交
    }
  });
});

class UsersController < ApplicationController
  def create
    @user = User.new(user_params)
    if @user.save
      render json: { status: 'success', user: @user }
    else
      render json: { status: 'error', errors: @user.errors.full_messages }, status: :unprocessable_entity
    end
  end

  private

  def user_params
    params.require(:user).permit(:name, :email)
  end
end

<%= form_tag '/users', id: 'myForm' do %>
  <%= hidden_field_tag :authenticity_token, form_authenticity_token %>
  <!-- 其他表单字段 -->
<% end %>

$.ajaxSetup({
  headers: {
    'X-CSRF-Token': $('meta[name="csrf-token"]').attr('content')
  }
});