MyBatis 学习笔记(四)运行原理,查询执行分析 1、MapperProxy执行invoke查询操作 2、MapperMethod执行execute操作 3、ParamNameResolver执行getNamedParams()包装参数 4、执行查询 DefaultSqlSession.selectOne返回单个结果 5、DefaultSqlSession执行查询 selectList返回多个... ...
*/publicclassMyBatisTest{publicstaticvoidmain(String[] args){// TODO Auto-generated method stubtry{ System.out.println("开始mybatis实验"); UserDao userDao; SqlSession sqlSession;Stringresource="conf/mybatis-config.xml";InputStreaminputStream=Resources.getResourceAsStream(resource);SqlSessionFactorysqlS...
Statement除了执行这样的DQL语句外,我们还可以使用executeUpdate()方法来执行一个DML或是DDL语句,它会返回一个int类型,表示执行后受影响的行数,可以通过它来判断DML语句是否执行成功。 也可以通过excute()来执行任意的SQL语句,它会返回一个boolean来表示执行结果是一个ResultSet还是一个int,我们可以通过使用getResultSet(...
Flink_第一篇 今天先做入门,本人也是第一天学习,看以后的时间,教程也有可能太监 > 从下至上架构层次 安装和部署 jdk 我用的是 1.8 scala2.11 安装步骤就不赘述了 1.windows安装flink > 下载安装Flink https://www.apache.org/dyn/closer.lua/flink/flink-......
That being said, if you want to parse the fields, I created a couple of helper methods to get started. The static method AccessLogParser.parseRequestField returns a Tuple3[String, String, String], and the static method AccessLogParser.parseDateField converts the Apache access log date field ...
我同意长参数列表是一种代码味道,但是引入MethodXyArguments类并不能改善任何东西,它只是把它藏在地毯下面。 如果内部类是私有的,为什么不允许在外部类泛型类型参数中使用内部类? 注意语言规范§6.6.1中private的含义,重点是: 否则,成员或构造函数被声明为私有。仅当访问发生在包含成员或构造函数声明的顶级类或接口的...
You get in troubles running JBoss-4.2.3 on a JDK 1.7 or higher mainly because of the JaxWS API : starting from Java 1.7, the Throwable interface gets added a new method getSuppressed() and the JBoss 4.2.3 implementation (jbossws) is based on the Java 1.6 (or 1.5). The patch (that...
invoke()where an attacker can control the method), but often times overlooked assertions mean that an attacker caninfluencethe method invoked but does not have complete control. For example, an attacker may be able to invoke the "getError()" method in any class, but not any other method ...
{ Map<String, Object> bindings = context.getBindings(); // 将Map/Array/List统一包装为迭代器接口final Iterable<?> iterable = evaluator.evaluateIterable(collectionExpression, bindings); if (!iterable.iterator().hasNext()) { return true; } boolean first = true; applyOpen(context); int i = ...
and in 4.6.2 Repeated Parameters in The Scala Language Specification Version 2.7: Furthermore, assume the definition: def sum(args: Int*) val xs = List(1, 2, 3) The following applications method sum is ill-formed: sum(xs) // *** error: expected: Int, found: List[Int] By...