spring 读取xml文件写法

最新推荐文章于 2024-07-17 23:07:54 发布

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最新推荐文章于 2024-07-17 23:07:54 发布

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分类专栏： spring 文章标签： java

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[size=large][b]
beans.xml 文件[/b][/size]


<?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.springframework.org/schema/beans
           http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">

  <bean id="u" class="com.bjsxt.dao.impl.UserDAOImpl">
  </bean>

  <bean id="userService" class="com.bjsxt.service.UserService">
  	<!-- 
  	<property name="userDAO" ref="u" />
  	 -->
[b]　　　　<constructor-arg>
  	 	<ref bean="u"/>
  	 </constructor-arg>[/b]
  </bean>


</beans>

[b]
UserService 文件[/b]

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) {
		userDAO.save(user);
	}
	public UserDAO getUserDAO() {
		return userDAO;
	}
	public void setUserDAO(UserDAO userDAO) {
		this.userDAO = userDAO;
	}
[color=red][b]
	public UserService(UserDAO userDAO) {
		super();
		this.userDAO = userDAO;
	}[/b][/color]
}

[b]
写法二：[/b]
[b]beans 文件[/b]
[b]
<?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.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">

<bean id="u" class="com.bjsxt.dao.impl.UserDAOImpl">
</bean>

[color=red][b] <bean id="userService" class="com.bjsxt.service.UserService">
<property name="userDAO" ref="u" />

</bean>[/b][/color]

</beans>[/b]

UserService 文件
[b]
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) {
userDAO.save(user);
}
public UserDAO getUserDAO() {
return userDAO;
}
public void setUserDAO(UserDAO userDAO) {
this.userDAO = userDAO;
}
　　　[color=red][b]　なし[/b][/color]
}
[/b]