Spring注入

Posted 2020-10-03 MyBatis

1.构造注入

<!--01.构造注入-->

<bean id="stu" class="cn.bdqn.zhu.Student">
          <constructor-arg index="0" value="邱少"></constructor-arg>
          <constructor-arg index="1" value="20"></constructor-arg>
          <constructor-arg index="2" ref="car"></constructor-arg>
      </bean>

2.p命名空间注入

<!--02.p命名空间注入-->

<bean id="stu" class="cn.bdqn.zhu.Student" p:name="邱少" p:age="20" p:car-ref="car">

    </bean>

3.集合属性注入

3.1 Array

<!--Array-->
    <bean id="array" class="cn.bdqn.zhu.MyCollection">
        <property name="array">
            <array>
                <value>呵呵</value>
                <value>哈哈</value>
                <value>嘿嘿</value>
            </array>
        </property>
    </bean>

3.2 List

 <!--List-->
    <bean id="list" class="cn.bdqn.zhu.MyCollection">
        <property name="list">
            <list>
                <value>呵呵</value>
                <value>哈哈</value>
                <value>嘿嘿</value>
            </list>
        </property>
    </bean>

3.3set

<!--set-->
    <bean id="set" class="cn.bdqn.zhu.MyCollection">
        <property name="set">
            <set>
                <value>呵呵</value>
                <value>哈哈</value>
                <value>嘿嘿</value>
            </set>
        </property>
    </bean>

3.4 Map

<!--Map-->
    <bean id="map" class="cn.bdqn.zhu.MyCollection">
        <property name="map">
            <map>
                <entry key="001" value="呵呵"></entry>
                <entry key="002" value="啊啊"></entry>
                <entry key="003">
                    <value>哦哦</value>
                </entry>
            </map>
        </property>
    </bean>

3.5 properties

  <!--properties-->
    <bean id="properties" class="cn.bdqn.zhu.MyCollection">
        <property name="properties">
            <props>
                <prop key="001">
                    ljl
                </prop>
                <prop key="002">
                    lb
                </prop>
                <prop key="003">
                    lcx
                </prop>
            </props>
        </property>
    </bean>