技術標籤：# spring框架

UserService03:

public class UserService03 {
    /*構造器注入*/
    private UserDao userDao;

    public void setUserDao(UserDao userDao) {
        this.userDao = userDao;
    }

    private String host;

    public void setHost(String host) {
        this.host = host;
    }

    public void
 
 test(){
        System.out.println("UserService03 Test...");
        userDao.test();
        System.out.println(host);
    }
}

配置檔案：

<?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:p="http://www.springframework.org/schema/p"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        https://www.springframework.org/schema/beans/spring-beans.xsd">
    <!--P名稱空間-->
    <bean id="userDao" class="com.xxxx.dao.UserDao"
 
></bean>
    <bean id="userService" class="com.xxxx.service.UserService03"
        p:host="127.0.0.1"
        p:userDao-ref="userDao"
    />

</beans>

測試程式碼：

//獲取spring的上下文環境
        ApplicationContext ac = new ClassPathXmlApplicationContext("spring03.xml");
        UserService03 userService03 = (UserService03) ac.getBean("userService");
        userService03.test();