property和constructor-arg的使用
2013-07-10 13:08
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一:依赖注入的方式
constructor-arg:通过构造函数注入。
property:通过setxx方法注入。
二:constructor-arg的简单使用
java代码
Java代码
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public class Man {
private String name ;
private int age;
private List hobby;
private Map friends;
private Set set;
private boolean ifMarried;
public Man() {
}
public Man(String name, int age,List hobby,Map friends,Set set,boolean ifMarried){
this.name = name;
this.age = age;
this.hobby = hobby;
this.friends = friends;
this.set = set;
this.ifMarried = ifMarried;
}
public String getInfo(){
String info = "姓名:"+this.name+"\n年龄:"+this.age+"\n爱好:"+this.hobby+"\n朋友:"+this.friends+"\n婚否:"+this.ifMarried+"\n其他的:"+this.set;
return info;
}
xml配置文件
Java代码
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<bean id="man" class="com.spring.test.man.Man">
<constructor-arg value="zzy" index="0" >
</constructor-arg>
<constructor-arg value="10" index="1">
</constructor-arg>
<constructor-arg>
<list>
<value>movie</value>
<value>music</value>
</list>
</constructor-arg>
<constructor-arg>
<set>
<value>Lady is GaGa</value>
<value>GaGa is Lady</value>
</set>
</constructor-arg>
<constructor-arg>
<map>
<entry key="liuhua" value="man"></entry>
<entry key="xujinglei" value="female"></entry>
</map>
</constructor-arg>
<constructor-arg index="5" value="0">
</constructor-arg>
</bean>
最后一个参数ifMarried是一个boolean类型的参数,在配置的时候可以是true/false或者0/1;
二:property的简单使用
java代码:
Java代码
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public class Doctor {
private String name;
private String sex;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public void init(){
System.out.println("88888888888");
}
public void init(String name,String sex){
this.name = name;
this.sex = sex;
}
}
xml配置文件:
Java代码
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<bean id="doctor" class="com.spring.test.man.Doctor" init-method="init">
<property name="name" value="doctor"></property>
<property name="sex" value="i don't know"></property>
lt;/bean>
constructor-arg:通过构造函数注入。
property:通过setxx方法注入。
二:constructor-arg的简单使用
java代码
Java代码
![](http://zzy7182.iteye.com/images/icon_copy.gif)
![](http://zzy7182.iteye.com/images/icon_star.png)
![](http://zzy7182.iteye.com/images/spinner.gif)
public class Man {
private String name ;
private int age;
private List hobby;
private Map friends;
private Set set;
private boolean ifMarried;
public Man() {
}
public Man(String name, int age,List hobby,Map friends,Set set,boolean ifMarried){
this.name = name;
this.age = age;
this.hobby = hobby;
this.friends = friends;
this.set = set;
this.ifMarried = ifMarried;
}
public String getInfo(){
String info = "姓名:"+this.name+"\n年龄:"+this.age+"\n爱好:"+this.hobby+"\n朋友:"+this.friends+"\n婚否:"+this.ifMarried+"\n其他的:"+this.set;
return info;
}
public class Man { private String name ; private int age; private List hobby; private Map friends; private Set set; private boolean ifMarried; public Man() { } public Man(String name, int age,List hobby,Map friends,Set set,boolean ifMarried){ this.name = name; this.age = age; this.hobby = hobby; this.friends = friends; this.set = set; this.ifMarried = ifMarried; } public String getInfo(){ String info = "姓名:"+this.name+"\n年龄:"+this.age+"\n爱好:"+this.hobby+"\n朋友:"+this.friends+"\n婚否:"+this.ifMarried+"\n其他的:"+this.set; return info; } }
xml配置文件
Java代码
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<bean id="man" class="com.spring.test.man.Man">
<constructor-arg value="zzy" index="0" >
</constructor-arg>
<constructor-arg value="10" index="1">
</constructor-arg>
<constructor-arg>
<list>
<value>movie</value>
<value>music</value>
</list>
</constructor-arg>
<constructor-arg>
<set>
<value>Lady is GaGa</value>
<value>GaGa is Lady</value>
</set>
</constructor-arg>
<constructor-arg>
<map>
<entry key="liuhua" value="man"></entry>
<entry key="xujinglei" value="female"></entry>
</map>
</constructor-arg>
<constructor-arg index="5" value="0">
</constructor-arg>
</bean>
<bean id="man" class="com.spring.test.man.Man"> <constructor-arg value="zzy" index="0" > </constructor-arg> <constructor-arg value="10" index="1"> </constructor-arg> <constructor-arg> <list> <value>movie</value> <value>music</value> </list> </constructor-arg> <constructor-arg> <set> <value>Lady is GaGa</value> <value>GaGa is Lady</value> </set> </constructor-arg> <constructor-arg> <map> <entry key="liuhua" value="man"></entry> <entry key="xujinglei" value="female"></entry> </map> </constructor-arg> <constructor-arg index="5" value="0"> </constructor-arg> </bean>
最后一个参数ifMarried是一个boolean类型的参数,在配置的时候可以是true/false或者0/1;
二:property的简单使用
java代码:
Java代码
![](http://zzy7182.iteye.com/images/icon_copy.gif)
![](http://zzy7182.iteye.com/images/icon_star.png)
![](http://zzy7182.iteye.com/images/spinner.gif)
public class Doctor {
private String name;
private String sex;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public void init(){
System.out.println("88888888888");
}
public void init(String name,String sex){
this.name = name;
this.sex = sex;
}
}
public class Doctor { private String name; private String sex; public String getName() { return name; } public void setName(String name) { this.name = name; } public String getSex() { return sex; } public void setSex(String sex) { this.sex = sex; } public void init(){ System.out.println("88888888888"); } public void init(String name,String sex){ this.name = name; this.sex = sex; } }
xml配置文件:
Java代码
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<bean id="doctor" class="com.spring.test.man.Doctor" init-method="init">
<property name="name" value="doctor"></property>
<property name="sex" value="i don't know"></property>
lt;/bean>
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