endpoint验证(@valid、@pattern等）

Question

null

Answer 1

添加javax.validation依赖项

下面是添加验证的3个步骤。

1. 在POJO类中的数据成员上添加@nonnull
   

    class Employee
    {
        @NonNull
        String name;
    }

    private void validate(Employee emp){
        ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
        Validator validator = factory.getValidator();
        Set<ConstraintViolation<Employee>> violations = validator.validate(emp)
        for(ConstraintViolation<Employee> violation: violations) {
            //Your action. May be throw exception
        }
    }

    void method(@Valid Employee emp){
        validate(emp);
    }