text: const mongoose = require('mongoose');
  const schema = mongoose.Schema;
  
  const UsersSchema = new schema({
      username:{
          type:String,
          require:true,
          unique:true
      },
      password:String,
      position:String,
      departmant:String,
      birthday:Number,
      phone:Number,
      date:{
          type:Date,
          default:Date.now
      }
       
  });
  
  module.exports = mongoose.model('users', UsersSchema);