validate

内建约束

注解 应用目标 运行时检查 Hibernate元数据效果

@Length(min=, max=)	property (String)	check if the string length match the range	Column length will be set to max
@Length(min=, max=)	property (String)	检查字符串长度是否符合范围	列长度会被设到最大值
@Max(value=)	property (numeric or string representation of a numeric)	check if the value is less than or equals to max	Add a check constraint on the column
@Max(value=)	property (numeric or string representation of a numeric)	检查值是否小于或等于最大值	对列增加一个检查约束
@Min(value=)	property (numeric or string representation of a numeric)	check if the value is more than or equals to min	Add a check constraint on the column
@Min(value=)	property (numeric or string representation of a numeric)	检查值是否大于或等于最小值	对列增加一个检查约束
@NotNull	property	check if the value is not null	Column(s) are not null
@NotNull	property	检查值是否非空(not null)	列不为空
@Past	property (date or calendar)	check if the date is in the past	Add a check constraint on the column
@Past	property (date or calendar)	检查日期是否是过去时	对列增加一个检查约束
@Future	property (date or calendar)	check if the date is in the future	none
@Future	property (date or calendar)	检查日期是否是将来时	none
@Pattern(regex="regexp", flag=)	property (string)	check if the property match the regular expression given a match flag (see java.util.regex.Pattern )	none
@Pattern(regex="regexp", flag=)	property (string)	检查属性是否与给定匹配标志的正则表达式相匹配(见 java.util.regex.Pattern )	none
@Range(min=, max=)	property (numeric or string representation of a numeric)	check if the value is between min and max (included)	Add a check constraint on the column
@Range(min=, max=)	property (numeric or string representation of a numeric)	检查值是否在最小和最大值之间(包括临界值)	对列增加一个检查约束
@Size(min=, max=)	property (array, collection, map)	check if the element size is between min and max(included)	none
@Size(min=, max=)	property (array, collection, map)	检查元素大小是否在最小和最大值之间(包括临界值)	none
@AssertFalse	property	check that the method evaluates to false (useful forconstraints expressed in code rather than annotations)	none
@AssertFalse	property	检查方法的演算结果是否为false(对以代码方式而不是注解表示的约束很有用)	none
@AssertTrue	property	check that the method evaluates to true (useful for constraints expressed in code rather than annotations)	none
@AssertTrue	property	检查方法的演算结果是否为true(对以代码方式而不是注解表示的约束很有用)	none
@Valid	property (object)	Perform validation recursively on the associatedobject	none
@Valid	property (object)	对关联对象递归的进行验证	none