摘要:
1.要有继承2.要有重写3.父类引用指向子类对象
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posted @ 2013-03-09 23:24
hqy309
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personServiceImpl.javapackage tohibernate.annotation;import javax.annotation.Resource;import org.springframework.stereotype.Service;import org.springframework.transaction.annotation.Transactional;@Service(value = "personService")public class PersonServiceImpl implements PersonService { @Re
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posted @ 2013-02-03 23:58
hqy309
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Person.javapackage tohibernate.xml;public class Person { private long pid; private String pname; public long getPid() { return pid; } public void setPid(long pid) { this.pid = pid; } public String getPname() { return pname; } public void setPname(Strin...
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posted @ 2013-02-03 15:36
hqy309
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personServiceImpl.javapackage jdbc.transaction.annotation;import javax.annotation.Resource;import org.springframework.stereotype.Service;import org.springframework.transaction.annotation.Transactional;@Service(value="personService")public class PersonServiceImpl implements PersonService {
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posted @ 2013-01-31 23:29
hqy309
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声明式事务处理: * 程序员声明 * sping容器来处理事务applicationContext.xml<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/
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posted @ 2013-01-30 21:51
hqy309
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personDaoImpl.javapackage jdbc;import java.util.List;import org.springframework.jdbc.core.JdbcTemplate;import org.springframework.jdbc.core.support.JdbcDaoSupport;import org.springframework.stereotype.Repository;public class PersonDaoImpl extends JdbcDaoSupport implements PersonDao { @Override ...
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posted @ 2013-01-30 21:37
hqy309
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PersonDaoImpl.javapackage aop.annotation;import org.springframework.stereotype.Repository;@Repository("personDao")public class PersonDaoImpl implements PersonDao { @Override public void savePerson() { System.out.println("savePerson"); }}Transaction.javapackage aop.annotation;impo
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posted @ 2013-01-29 23:23
hqy309
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applicationContext.xml<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLoca
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posted @ 2013-01-29 23:20
hqy309
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使用jboss 4.0.4GA 使用jstl无效,改web.xml的scheme为<web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" version="2.4"
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posted @ 2013-01-04 14:27
hqy309
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创建对象三种方式:1.new 2.反射 3.对象的clone()方法spring创建对象:1.构造器实例化。2.静态工厂方法实例化。3实例工厂方法实例化
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posted @ 2012-11-15 22:37
hqy309
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