usermod -d /var/lib/mysql/ mysql ln -s /var/lib/mysql/mysql.sock /tmp/mysql.sock chown -R mysql:mysql /var/lib/mysql
lifecycle-phase maven有三个内部生命周期：default，clean，和site。 每个生命周期由多个阶段(phase)组成 clean Phase Description pre-clean execute processes needed prior to the actual project cleaning clean
compile This is the default scope, used if none is specified. Compile dependencies are available in all classpaths of a project. Furthermore, those dependencies are propagated to dependent projects. provided This is much like compile, but indicates you expect the JDK or a container to provide the dependency at runtime. For example, when building a web application for the Java Enterprise Edition, you would set the dependency on the Servlet
# 编译项目 mvn compile # 执行项目中的单元测试 # 查找单元测试类的默认规则：**/*Test.java;**/Test*.java;**/*TestCa
GsonBuilder gsonBuilder = new GsonBuilder(); gsonBuilder.setLongSerializationPolicy( LongSerializationPolicy.STRING ); Gson gson = gsonBuilder.create();
1.切面编程核心概念 切面编程Aspect-oriented Programming (AOP) AOP只是一个概念，跟Spring是独立关系 最典型的AOP实现框架Aspect
LocalVariableTableParameterNameDiscoverer discoverer = new LocalVariableTableParameterNameDiscoverer(); discoverer.getParameterNames(method); 详情参考API文档