正文
Spring 参数注入
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一个（类）Bean可能包含多种属性，这些属性怎么配置？？？ 见下：
用People Dog Cat Tiger Panda五个类来学习一些常用的=_=
重点在XML
<!--基本类型注入-->
<bean id="tiger" class="party.infoo.entity.Tiger">
<property name="name" value="Tiger_AA"/>
<property name="age" value="3"/>
</bean>
<bean id="cat" class="party.infoo.entity.Cat">
<property name="name" value="Cat_AA"/>
<property name="age" value="2"/>
</bean>
<bean id="dog" class="party.infoo.entity.Dog">
<property name="name" value="Dod_AA"/>
<property name="age" value="5"/>
</bean>
<bean id="panda" class="party.infoo.entity.Panda">
<property name="name" value="Panda_A"/>
<property name="age" value="3"/>
</bean>
<!--参数注入方法介绍-->
<bean id="people" class="party.infoo.entity.People">
<!--基本类型注入-->
<property name="name" value="People_AA"/> <!--bean注入-->
<property name="dog" ref="dog"/> <!--级联属性注入《要求已经new过的》-->
<property name="cat.name" value="Cat_BB"/> <!--内部bean注入-->
<property name="tiger">
<bean class="party.infoo.entity.Tiger">
<property name="name" value="Tiger_BB"/>
<property name="age" value="10"/>
</bean>
</property> <!--null值注入-->
<property name="panda">
<null></null>
</property> <!--list-->
<property name="books">
<list>
<value>JAVA</value>
<value>ENGLISH</value>
</list>
</property>
<!--set-->
<property name="hobbies">
<set>
<value>唱歌</value>
<value>玩游戏</value>
</set>
</property>
<!--map-->
<property name="works">
<map>
<entry>
<key><value>星期四</value></key>
<value>上班</value>
</entry>
<entry>
<key><value>星期五</value></key>
<value>放假</value>
</entry>
</map>
</property>
<!--proeperty-->
<property name="address">
<props>
<prop key="addres1">AAAAAAAAAA</prop>
<prop key="addres2">BBBBBBBBBB</prop>
</props>
</property>
</bean>
package party.infoo.entity; import java.util.*; /**
* Created by infoo on 2017/2/18.
*/
public class People {
private String name;
private Dog dog;
private Cat cat=new Cat();
private Tiger tiger;
private Panda panda;
private List<String> books=new ArrayList<String>();
private Set<String> hobbies=new HashSet<String>();
private Map<String,String> works=new HashMap<String,String>();
private Properties address=new Properties(); public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} public Dog getDog() {
return dog;
} public void setDog(Dog dog) {
this.dog = dog;
} public Cat getCat() {
return cat;
} public void setCat(Cat cat) {
this.cat = cat;
} public Tiger getTiger() {
return tiger;
} public void setTiger(Tiger tiger) {
this.tiger = tiger;
} public Panda getPanda() {
return panda;
} public void setPanda(Panda panda) {
this.panda = panda;
} public List<String> getBooks() {
return books;
} public void setBooks(List<String> books) {
this.books = books;
} public Set<String> getHobbies() {
return hobbies;
} public void setHobbies(Set<String> hobbies) {
this.hobbies = hobbies;
} public Map<String, String> getWorks() {
return works;
} public void setWorks(Map<String, String> works) {
this.works = works;
} public Properties getAddress() {
return address;
} public void setAddress(Properties address) {
this.address = address;
} @Override
public String toString() {
return "People{" +
"name='" + name + '\'' +
", dog=" + dog +
", cat=" + cat +
", tiger=" + tiger +
", panda=" + panda +
", books=" + books +
", hobbies=" + hobbies +
", works=" + works +
", address=" + address +
'}';
}
}
package party.infoo.entity; /**
* Created by infoo on 2017/2/18.
*/
public class Tiger {
private String name;
private int age; public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} public int getAge() {
return age;
} public void setAge(int age) {
this.age = age;
} @Override
public String toString() {
return "Tiger{" +
"name='" + name + '\'' +
", age=" + age +
'}';
}
}
package party.infoo.entity; /**
* Created by infoo on 2017/2/18.
*/
public class Panda {
private String name;
private int age; public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} public int getAge() {
return age;
} public void setAge(int age) {
this.age = age;
} @Override
public String toString() {
return "Panda{" +
"name='" + name + '\'' +
", age=" + age +
'}';
}
}
package party.infoo.entity; /**
* Created by infoo on 2017/2/18.
*/
public class Dog {
private String name;
private int age; public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} public int getAge() {
return age;
} public void setAge(int age) {
this.age = age;
} @Override
public String toString() {
return "Dog{" +
"name='" + name + '\'' +
", age=" + age +
'}';
}
}
package party.infoo.entity; /**
* Created by infoo on 2017/2/18.
*/
public class Cat {
private String name;
private int age; public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} public int getAge() {
return age;
} public void setAge(int age) {
this.age = age;
} @Override
public String toString() {
return "Cat{" +
"name='" + name + '\'' +
", age=" + age +
'}';
}
}
