db.collection(变量名)

 

data{ 2   DBID: 'dbname'
} 4 getdb(){ 5   db.collection(this.data.DBID).get() 6     .then(res =>{ 7  console.log(res.data) 8  }) 9 }

 

data{  2   DBID: 'dbname'
}  4 
getdb(){  6     let dbname = this.data.DBID  7 
 db.collection(dbname).get()  9         .then(res =>{ 10  console.log(res.data) 11  }) 12 }