案例一
class Test extends ModelBase {
@Column()
public str?: string
@Column({})
public arr?: any[]
}
const test = new Test({
str: 'str',
arr: [1, 'a', true],
})
console.log(test.getColumnData('str'))
// "str"
console.log(test.getColumnData('arr'))
// [1, "a", true]