spring 依赖注入

spring 依赖注入

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:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd"> 
<bean name="mysqlDao" class="com.kanbujian.daoImpl.MysqlDao"></bean>
<bean name="oracleDao" class="com.kanbujian.daoImpl.OracleDao"></bean>

<!-- setter注入 -->
<bean name="houseService" class="com.kanbujian.service.HouseService">
<property name="dbDao" ref="oracleDao"></property>
<property name="name" value="李小龙"></property>
<property name="password" value="Bruce Lee"></property>
<property name="list">
<list>
<!-- list存放在对象 -->
<ref bean="mysqlDao" />
<value>王力宏</value>
<value>陶喆</value>
<value>潘玮柏</value>
<value>林俊杰</value>
</list>
</property>
<property name="map">
<map>
<entry>
<key>
<value>中國</value>
</key>
<ref bean="oracleDao" />
</entry>
<entry>
<key>
<value>美國</value>
</key>
<value>USA</value>
</entry>
<entry>
<key>
<value>英國</value>
</key>
<value>UK</value>
</entry>
</map>
</property>

<property name="properties">
<props>

<prop key="十一月的肖邦">夜曲</prop>
<prop key="依然范特西">千里之外</prop>
<prop key="葉惠美">晴天</prop>
</props>
</property>

<property name="stringArray">
<array>
<value>ssh</value>
<value>html</value>
<value>ajax</value>
<value>css</value>
</array>
</property>
</bean>

<!-- 构造器注入 -->
<bean name="houseService2" class="com.kanbujian.service.HouseService">
<constructor-arg ref="mysqlDao"></constructor-arg>
<constructor-arg value="成龙"></constructor-arg>
<constructor-arg value="Jack chen"></constructor-arg>
</bean>

<!-- P命名空间注入 -->
<bean name="houseService3" class="com.kanbujian.service.HouseService"
p:dbDao-ref="mysqlDao" p:name="李连杰" p:password="LianJie Lee">

</bean>

</beans>

java文件

package com.kanbujian.service;

import java.util.List;
import java.util.Map;
import java.util.Properties;

import com.kanbujian.dao.DbDAO;

public class HouseService {
//对象
private DbDAO dbDao;
private String name;
private String password;

//集合
private List list;
private Map map;
private Properties properties;
private String[] stringArray;

public String[] getStringArray() {
return stringArray;
}

public void setStringArray(String[] stringArray) {
this.stringArray = stringArray;
}

public List getList() {
return list;
}

public void setList(List list) {
this.list = list;
}

public Map getMap() {
return map;
}

public void setMap(Map map) {
this.map = map;
}

public Properties getProperties() {
return properties;
}

public void setProperties(Properties properties) {
this.properties = properties;
}

public HouseService() {

}

public HouseService( String name, String password) {

this.name = name;
this.password = password;
}

public HouseService(DbDAO dbDao, String name, String password) {
super();
this.dbDao = dbDao;
this.name = name;
this.password = password;
}

public void save(){
dbDao.save();
}

public DbDAO getDbDao() {
return dbDao;
}
public void setDbDao(DbDAO dbDao) {
this.dbDao = dbDao;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}

}