笔记类varthatthisthat.optional()是验证是否为空方法/验证邮箱格式/email(value){returnthat.optional(value)||/^azAZ09.$%&'\/?^_{|}@azAZ

引入maven依赖引入powermock是为了解决静态方法mock的问题。<dependency<groupIdorg.powermock</groupId<artifactIdpowermockmodulejunit4</artifactId<versi

RememberMeAuthenticationFilter过滤器对应的类路径为org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter看主要的doFilter方法publicvoiddoFilter(Se

对象的创建方法{}varobj{}系统自带的构造函数varobjnewObject()//Array()//Number()自定义的构造函数functionPerson(){}varperson1newPe

Java有自带的stripTrailingZeros()方法用于去除末尾多余的0BigDecimalnumnewBigDecimal("100.000");BigDecimalnumNoEndZeronum.stripTrailingZeros();//numNoEndZero：1E2Sys

list排序方法一Comparator形式：1.比较数字List<Shoesall_shoesnewArrayList<Shoes();Collections.sort(all_shoes,newComparator<Shoes(){@Override/

使用trait\_bound有条件的实现方法：traitGetName{fnget_name(&self)&String;}traitGetAge{fnget_age(&self)u32;}structPeopleMatc