转换成输入流inputStream=SqlSessionFactoryUtil.class.getClassLoader().getResourceAsStream("mybatisCfg.xml");//根据配置文件的输入流构造一个SQL会话工厂sqlSessionFactory=newSqlSessionFactoryBuilder().build(inputStream);}finally{if(inputStream!=null){try...
public Integer getAge() { return age; } public void setAge(Integer age) { this.age = age; } public Integer
对于plugin方法而言,其实Mybatis已经为我们提供了一个实现。Mybatis中有一个叫做Plugin的类,里面有一个静态方法wrap(Object target,Interceptor interceptor),通过该方法可以决定要返回的对象是目标对象还是对应的代理。 我们先看一下Plugin的wrap方法,它根据当前的Interceptor上面的注解定义哪些接口需要拦截,然后判断当前目标...
DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN" "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd"> <generatorConfiguration> <context id="DB2Tables" targetRuntime="MyBatis3"> <!-- <plugin>元素用来定义一个插件。插件用于扩展或修改...
}BoundSqlboundSql=mappedStatement.getBoundSql(parameter);if(hasEmptyList(boundSql.getSql())) {returngetDefaultReturnValue(invocation); }returninvocation.proceed(); }@OverridepublicObjectplugin(Object target){//只拦截Executor对象,减少目标被代理的次数if(targetinstanceofExecutor) {returnPlugin.wrap(target,...
Object plugin(Object target); void setProperties(Properties properties); } 1. 2. 3. 4. 5. 6. 7. 接口中一共定义有三个方法,intercept、plugin 、setProperties。 intercept方法就是要进行拦截的时候要执行的方法。 setProperties方法是用于在Mybatis配置文件中指定一些属性的。
Date beginDate = shardingProperty.getBeginDate(); Date date; if (createTime == null) { date = new Date(); } else { date = createTime; } if (date.before(beginDate)) { return null; } LocalDateTime targetDate = SimpleDateFormatUtils.convertDateToLocalDateTime(date); ...
public class FirstExample { static final String JDBC_DRIVER = "com.mysql.jdbc.Driver"; static final String DB_URL = "jdbc:mysql://localhost/EMP"; static final String USER = "username"; static final String PASS = "password"; public static void main(String[] args) { ...
public class InterceptorChain {private final List<Interceptor> interceptors = new ArrayList<>();public Object pluginAll(Object target) {for (Interceptor interceptor : interceptors) {target = interceptor.plugin(target);}return target;}public void addInterceptor(Interceptor interceptor) {interceptors.add(in...
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN" "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd"> <generatorConfiguration> <context id="DB2Tables" targetRuntime="MyBatis3"> <!-- <...