sequelize，hasMany，belongsTo 一对多关联笔记

一对多关联

TeamModel.hasMany(PlayerModel)
PlayerModel.belongsTo(TeamModel);

创建团队和玩家。

let team = await TeamModel.create({ name: '小江' });
let player = await team.createPlayer({ color: '青色' });

创建团队，批量创建玩家。

let team = await TeamModel.create({name: '小狗'});

let players = await PlayerModel.bulkCreate([
  { color: '青色' },
  { color: '黑色' }
])

await team.addPlayers(players)

特殊方法

team.getPlayers()
team.countPlayers()
team.hasPlayer()
team.hasPlayers()
team.setPlayers()
team.addPlayer()
team.addPlayers()
team.removePlayer()
team.removePlayers()
team.createPlayer()