Spring入门_01

<bean id="userAction" class="com.umgsai.spring.UserAction">
    <property name="userManager" ref="manager"></property><!-- 依赖注入 -->
</bean>
<bean id="manager" class="com.umgsai.spring.UserManager">
    <property name="driverClass">
        <value>com.microsoft.sqlserver.jdbc.SQLServerDriver</value>
    </property>
    <property name="username">
        <value>sa</value>
    </property>
    <property name="password">
        <value>123456</value>
    </property>
    <property name="url">
        <value>jdbc:sqlserver://localhost:1433;database=surveillance</value>
    </property>
</bean>

UserManager.java

package com.umgsai.spring;
public class UserManager {
    private String username;
    private String password;
    private String url;
    private String driverClass;
                             
    public void setUsername(String username) {
        this.username = username;
    }
    public void setPassword(String password) {
        this.password = password;
    }
    public void setUrl(String url) {
        this.url = url;
    }
    public void setDriverClass(String driverClass) {
        this.driverClass = driverClass;
    }
    public void add(User user) {
        System.out.println(username);
        System.out.println(password);
        System.out.println(driverClass);
        System.out.println(url);
        System.out.println("执行添加User操作");
    }
                             
}

UserAction.java

package com.umgsai.spring;
public class UserAction {
    private UserManager userManager;
    public void setUserManager(UserManager userManager) {
        this.userManager = userManager;
    }
    public String execute() {
        User user = new User();
        userManager.add(user);
        return "success";
    }
}

public static void main(String[] args) {
    //IMessage message = MessageFactory.create("1");
    //创建spring Bean工厂
    BeanFactory factory = new ClassPathXmlApplicationContext("applicationContext.xml");
    //BeanFactory factory = new ClassPathXmlApplicationContext("app*.xml");通配符
    UserAction userAction = (UserAction)factory.getBean("userAction");
    System.out.println(userAction.execute());
}

控制台输出

sa

123456

com.microsoft.sqlserver.jdbc.SQLServerDriver

jdbc:sqlserver://localhost:1433;database=surveillance

执行添加User操作

success