Spring
簡單
的例子:
1.interface:
package com.houyawei;
public interface Action {
public String execute(String str);
}
public String execute(String str);
}
2.實現接口的類:LowerAction 和 UpperAction:
package com.houyawei;
public class UpperAction implements Action {
private String message;
public String getMessage() {
return message;
}
public void setMessage(String string) {
message = string;
}
public String execute(String str) {
return (getMessage() + str).toUpperCase();
}
public String getMessage() {
return message;
}
public void setMessage(String string) {
message = string;
}
public String execute(String str) {
return (getMessage() + str).toUpperCase();
}
}
package com.houyawei;
public class LowerAction implements Action {
private String message;
public String getMessage() {
return message;
}
public void setMessage(String string) {
message = string;
}
public String execute(String str) {
return (getMessage()+str).toLowerCase();
}
return message;
}
public void setMessage(String string) {
message = string;
}
public String execute(String str) {
return (getMessage()+str).toLowerCase();
}
}
2.xml配置文件:bean.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//
SPRING
/DTD BEAN/EN" "
http://www.springframework.org/dtd/
spring
-beans.dtd
">
<beans>
<description> Spring Quick Start</description>
<bean id="upperaction" class="com.houyawei.UpperAction">
<property name="message">
<value>HeLLo,</value>
</property>
</bean>
<bean id="loweraction" class="com.houyawei.LowerAction">
<property name="message">
<value>hello,</value>
</property>
</bean>
</beans>
<beans>
<description> Spring Quick Start</description>
<bean id="upperaction" class="com.houyawei.UpperAction">
<property name="message">
<value>HeLLo,</value>
</property>
</bean>
<bean id="loweraction" class="com.houyawei.LowerAction">
<property name="message">
<value>hello,</value>
</property>
</bean>
</beans>

4.測試類SampleTest :
package test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;
import com.houyawei.Action;
public class SampleTest {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
ApplicationContext ctx=new
FileSystemXmlApplicationContext("bean.xml");
Action action = (Action) ctx.getBean("upperaction");
System.out.println(action.execute("wangshigeyao"));
Action action2 = (Action) ctx.getBean("loweraction");
System.out.println(action2.execute("wangshigeyao"));
}
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
ApplicationContext ctx=new
FileSystemXmlApplicationContext("bean.xml");
Action action = (Action) ctx.getBean("upperaction");
System.out.println(action.execute("wangshigeyao"));
Action action2 = (Action) ctx.getBean("loweraction");
System.out.println(action2.execute("wangshigeyao"));
}
}
5.程序代碼結構:
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