beans.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" xsi:schemaLocation="http://www.springfr…

<bean name="userDAO" class="com.bjsxt.dao.impl.UserDAOImpl"> <property name="></property> <property name="daoStatus" value="good"></property> </bean> 可以使用上面这种方式将简单类型数据注入到Used…

共有三种注入类型 一种是set注入 一种是构造注入 一种是接口注入 最常用的还是set 现在看一下construct 构造注入 在userservice中加入 package com.bjsxt.service; import com.bjsxt.dao.UserDAO; import com.bjsxt.model.User; public class UserService { private UserDAO userDAO; public void add(User user) { use…

<bean id="userService" class="com.bjsxt.service.UserService" scope="prototype"> <!-- <property name="userDAO" ref="u" /> --> <constructor-arg> <ref bean="u"/> </c…

直接上例子 引入spring以及Junite所需要的jar包 User.java package com.bjsxt.model; public class User { private String username; private String password; public String getUsername() { return username; } public void setUsername(String username) { this.username = userna…

首先更改配置文件 <?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:context="http://www.springframewor…

使用annotation首先得加这两条代码 beans.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:context="ht…

项目分层: 1.最土的方法是直接写到main中去 2.分出model层 2.如下 4.在抽象一个对数据库的访问层(跨数据库实现) 面向抽象编程 User.java package com.bjsxt.model; public class User { private String username; private String password; public String getUsername() { return username; } public void setUsername(…

<bean id="moreComplexObject" class="example.ComplexObject"> <property name="adminEmails"> <props> <prop key="administrator">administrator@example.org</prop> </props> </property…

resource resource beans.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:context="http:/…