摘要：關于集合對象的注入（Array，List，Map）
?
●????
SomeBean.java
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import java.util.List;
import java.util.Map;
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public class SomeBean {
??? private String[] someStrArray;
??? private Some[] someObjArray;
??? private List someList;
??? private Map someMap;
???
??? public List getSomeList() {
??????? return someList;
??? }
??? public void setSomeList(List someList) {
??????? this.someList = someList;
??? }
??? public Map getSomeMap() {
??????? return someMap;
??? }
??? public void setSomeMap(Map someMap) {
??????? this.someMap = someMap;
??? }
??? public Some[] getSomeObjArray() {
??????? return someObjArray;
??? }
??? public void setSomeObjArray(Some[] someObjArray) {
??????? this.someObjArray = someObjArray;
??? }
??? public String[] getSomeStrArray() {
??????? return someStrArray;
??? }
??? public void setSomeStrArray(String[] someStrArray) {
??????? this.someStrArray = someStrArray;
??? }
}
●????
Some.java
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package com.kela.spring.ioc;
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public class Some {
??? private String name;
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??? public String getName() {
??????? return name;
??? }
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??? public void setName(String name) {
??????? this.name = name;
??? }
???
??? public String toString() {
??????? return name;
??? }
}
●????
Beans-config_3.xml
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<?xml
version=
"1.0"
encoding=
"GB2312"
?>
<!DOCTYPE
beans
PUBLIC
"-//SPRING//DTD BEAN//EN"
"http://www.springframework.org/dtd/spring-beans.dtd"
>
?
<beans>
???
<bean
id=
"some_1"
class=
"com.kela.spring.ioc.Some"
>
??????
<property
name=
"name"
>
??????????
<value>
KangFeng
</value>
??????
</property>
???
</bean>
???
???
<bean
id=
"some_2"
class=
"com.kela.spring.ioc.Some"
>
??????
<property
name=
"name"
>
??????????
<value>
Kela
</value>
??????
</property>
???
</bean>
???
???
<bean
id=
"someBean"
class=
"com.kela.spring.ioc.SomeBean"
>
??????
??????
<!--
數組
-->
??????
<property
name=
"someStrArray"
>
??????????
<list>
?????????????
<value>
Hello
</value>
?????????????
<value>
你好
</value>
??????????
</list>
??????
</property>
??????
??????
<!--
對象數組
-->
??????
<property
name=
"someObjArray"
>
??????????
<list>
?????????????
<ref
bean=
"some_1"
></ref>
?????????????
<ref
bean=
"some_2"
></ref>
??????????
</list>
??????
</property>
??????
??????
<!--
List
-->
??????
<property
name=
"someList"
>
??????????
<list>
?????????????
<value>
ListTest
</value>
?????????????
<ref
bean=
"some_1"
></ref>
?????????????
<ref
bean=
"some_2"
></ref>
??????????
</list>
??????
</property>
??????
??????
<!--
Map
-->
??????
<property
name=
"someMap"
>
??????????
<map>
?????????????
<entry
key=
"MapTest"
>
?????????????????
<value>
你好，
KangFeng
</value>
?????????????
</entry>
?????????????
<entry
key=
"someKey_1"
>
?????????????????
<ref
bean=
"some_1"
></ref>
?????????????
</entry>
??????????
</map>
??????
</property>
???
</bean>
</beans>
●????
TestClass.java
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package com.kela.spring.ioc;
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import java.util.List;
import java.util.Map;
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import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;
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public class TestClass {
???
??? public void method_3() {
??????? try {
??????????? ApplicationContext context = new FileSystemXmlApplicationContext("bin\\com\\kela\\spring\\ioc\\beans-config_3.xml");
??????????? SomeBean someBean = (SomeBean)context.getBean("someBean");
???????????
??????????? //
取得StringArray注入的內容
??????????? System.out.println("
打印StringArray的內容~~~");
??????????? for(int i = 0; i < someBean.getSomeStrArray().length; i ++) {
??????????????? System.out.println(someBean.getSomeStrArray()[i]);
??????????? }
???????????
??????????? //
取得SomeObject注入的內容
??????????? System.out.println("
打印SomeObject的內容~~~");
??????????? Some[] some = (Some[])someBean.getSomeObjArray();
??????????? for(int i = 0; i < some.length; i++) {
??????????????? System.out.println(some[i].getName());
??????????? }
???????????
??????????? //
取得List注入的內容
??????????? System.out.println("
打印List的內容~~~");
??????????? List someList = (List)someBean.getSomeList();
??????????? for(int i = 0; i < someList.size(); i++) {
??????????????? System.out.println(someList.get(i));
??????????? }
???????????
??????????? //
取得Map注入的內容
??????????? System.out.println("
打印Map的內容~~~");
??????????? Map someMap = (Map)someBean.getSomeMap();
??????????? System.out.println(someMap.get("MapTest"));
??????????? System.out.println(someMap.get("someKey_1"));
??????? } catch (Exception e) {
??????????? System.out.println("[ERROR]" + e.getMessage());
??????? }
??? }
???
??? public static void main(String[] args) {
??????? TestClass testClass = new TestClass();
??????? testClass.method_3();
??? }
}