三.Spring配置文件详解随笔

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一.

Bean 元素说明

attributes:idnameclassparentabstractscopelazy-initautowiredependency-checkdepends-oninit-methoddestroy-methodfactory-methodfactory-bean子元素:descriptionconstructor-argpropertylookup-methodreplace-method

二.

Bean property:设置类属性值

字面值：      <property name=“maxSpeed”>          <value>200</value>      </property>     <property name=“brand”>          <value><![CDATA[红旗&CA72]]</value>     </property>引用其他Bean：public class Boss{    private Car car;    public void setCar(Car car) {           this.car = car;    }}<bean id=“car” class=“***”/><bean id=“boss” class=“***”>    <property name=“car”>         <ref bean=“car”></ref>    </property></bean>内部Bean：<bean id=“boss” class=“***”/>     <property name=“car”>         <bean class=“***” >                 <property name=“price” value=“200”>          </bean>    </property></bean>null值：<null/>级联：public class Boss{    private Car car = nea Car();    public void setCar(Car car) {           this.car = car;    }}<bean id=“boss” class=“***”>    <property name=“car.brand”>         <value>奔驰E级</value>    </property></bean>属性(List)：public class Boss{    private List favorites = new ArrayList();    public List getFavorites()  {            return favorites;       }    public void setFavorites(List favorites)  {           this.favorites = favorites;     }}<bean id=“boss” class=“***”>    <property name=“favorites”>           <list>                  <value>唱歌</value>                  <value>运动</value>                  <value>读书</value>           </list>      </property></bean>属性(Set)：和List差别不大属性(Map)：public class Boss{    private Map favorites;    public Map getFavorites() {         return favorites;      }    public void setFavorites(Map  favorites){         this.favorites = favorites;     }}<bean id=“boss” class=“***”>    <property name=“favorites”>           <map>                 <entry>                      <key><value>key01</value></key>                       <value>唱歌</value>                 </entry>                 <entry>                      <key><value>key02</value></key>                       <value>唱歌</value>                 </entry>             </map>      </property></bean>集合合并：<bean id=“parentBoss”abstract=“true”class=“***”>    <property name=“favorites”>           <set>                 <value>唱歌</value>                 <value>运动</value>                <value>看书</value>            </set>    </property></bean><bean id=“childtBoss”parent=“parentBoss”>    <property name=“favorites”>           <set merge=“true”>                 <value>旅游</value>                 <value>睡觉</value>            </set>    </property></bean>自动装配：autowire=“byName”autowire=“ byType ”autowire=“ constructor ”autowire=“ autodetect ”属性注入方法：Public class Car {    private String brand;    public void setBrand(String brand) {          this.brand = brand;     }     public String getBrand() {          return this.brand;     }}<bean id=“car” class=“com.jike.***.Car” >    <property name=“brand”>         <value>奔驰</value>     </property></bean>构造函数注入：工厂方法注入：三.--Bean 的依赖关系:继承、依赖、引用继承：<bean id=“abstractCar” class=“com.jike.***.Car”/     p:brand=“奔驰E300” p:price=“2000” p:color=“黑色” abstract=“true”>   ①<bean id=“car1” p:color=“红色” parent=“abstractCar” />②<bean id=“car1” p:color=“白色” parent=“abstractCar” />③依赖：保证Bean依赖的Bean已初始化<bean id=“manager” class=“com.jike.***.CacheManager” depends-on=“sysInit”; /> ①<bean id=“sysInit” class=“com.jike.***.SysInit” /> ② 引用：idref

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