Mongoose查找特定博客用户

const mongoose = require('mongoose');

const userSchema = new mongoose.Schema({
  username: { type: String, required: true },
  email: { type: String, required: true },
  password: { type: String, required: true },
  // 其他字段...
});

const User = mongoose.model('User', userSchema);

User.find({ username: '特定用户名' }, (err, users) => {
  if (err) {
    console.error(err);
    // 处理错误
  } else {
    console.log(users);
    // 处理查询结果
  }
});

User.findOne({ username: '特定用户名' }, (err, user) => {
  if (err) {
    console.error(err);
    // 处理错误
  } else {
    console.log(user);
    // 处理查询结果
  }
});