nodejs -- promise的返回

[javascript] view plain copy

1. const a = async () => {
2. return Sequelize.findAll({}) //这里返回一个promise，"aaaaa"也行
3. }
5. const b= async ()=>{
6. const result =await a() ; //这样就能拿到数据了
8. }

OR

[javascript] view plain copy

1. const a = async () => {
2. return new Promise((resolve,reject)=>{
3. resolve(data)
4. })
5. }
7. a().then((data)=>{
8. console.log(data) //拿到了数据
9. })

OR

[javascript] view plain copy

1. const a= async ()=> {
3. return "aaaaaa"
4. }
7. a().then((result)=>{
8. console.log(result)
9. })

OR

[javascript] view plain copy

1. const a = async () => {
2. return Sequelize.findAll({}) //这里返回一个promise
3. }
5. a().then(result=>{
6. console.log(result) //拿到了数据
7. })