如何解决如何使用 Kotlin Spring Boot 获取列注释
我是根据在 Annotation reflection (using getAnnotation) does not work 上找到的解决方案创建的
这是我的实体:
@Entity
@Table(name = "employee",schema = "dbo")
data class Employee(
@Id
@Column(name = "id",nullable = false,length = 20)
var id: String,@Column(name = "employee_name",nullable = true,length = 30)
var employeeName: String? = "",)
这是我的功能:
inline fun <reified T : Any> getColumnName(filt:String):String {
var property = T::class.memberProperties.filter { prop -> prop.name == filt}.firstOrNull()
var field = property!!.javaField!!
var column = field.getAnnotation(Column::class) //error in here
return column!!.name()
}
当我尝试这个时,
var column = field.getAnnotation(Column.class)
错误:
Name expected
当我尝试这个时,
var column = field.getAnnotation(Column::class)
错误:
Type inference Failed: fun <T : Annotation!> getAnnotation(p0: Class<T!>!): T!
cannot be applied to
(KClass<Column>)
Type mismatch: inferred type is KClass<Column> but
Class<(???..???)>! was expected
我错过了什么吗??
我很乐意为您提供帮助。
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