Strurt2中的方法的调用方式

忘是亡心i 2022-05-14 00:15 129阅读 0赞

# Strurt2中的方法的调用方式 #

## 访问action方法的三种方式 ##

1.定义一个Action类

//演示动态方法调用
    public class Demo1Acton {
    	
    	public String add(){
    			System.out.println("添加用户");
    		return "success";
    	}
    
    	public String delete(){
    			System.out.println("删除用户");
    		return "success";
    	}
    
    	public String update(){
    			System.out.println("修改用户");
    		return "success";
    	}
    
    	public String find(){
    			System.out.println("查询用户");
    		return "success";
    	}
    }

方式1.无脑式写法写多个action 访问不同action中的name属性值即可访问对应的方法

<?xml version="1.0" encoding="UTF-8"?>
       <!DOCTYPE struts PUBLIC
    	"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
    	"http://struts.apache.org/dtds/struts-2.3.dtd">
    		
    <struts>
    		
    		 <package name="dynamic" namespace="/dynamic" extends="struts-default">
    			<action name="Demo1Action_add" class="cn.test.Demo1Acton" method="add">
    				<result name="success">/hello.jsp</result>			
    			</action>
    
    <action name="Demo1Action_delete" class="cn.test.Demo1Acton" method="delete">
    				<result name="success">/hello.jsp</result>			
    			</action>
    
    <action name="Demo1Action_upfate" class="cn.test.Demo1Acton" method="update">
    				<result name="success">/hello.jsp</result>			
    			</action>
    
    <action name="Demo1Action_find" class="cn.test.Demo1Acton" method="find">
    				<result name="success">/hello.jsp</result>			
    			</action>
    		</package> 
    		
    </struts>

方式1： 动态调用方式

<?xml version="1.0" encoding="UTF-8"?>
       <!DOCTYPE struts PUBLIC
    	"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
    	"http://struts.apache.org/dtds/struts-2.3.dtd">
    		
    <struts>
    		
    		
            
            <constant name="struts.action.extension" value="do"></constant>
    
    		 <constant name="struts.enable.DynamicMethodInvocation" value="true"></constant> 
    		
    		 <package name="dynamic" namespace="/dynamic" extends="struts-default">
    			<action name="Demo1Action" class="cn.test.Demo1Acton">
    				<result name="success">/hello.jsp</result>			
    			</action>
    		</package> 
    		
    </struts>

方式2：通配符形式

<?xml version="1.0" encoding="UTF-8"?>
       <!DOCTYPE struts PUBLIC
    	"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
    	"http://struts.apache.org/dtds/struts-2.3.dtd">
    		
    <struts>
    	    
    		<package name="dynamic" namespace="/dynamic" extends="struts-default">
    			
    			<action name="Demo1Action_*" class="cn.test.Demo1Acton" method="{1}">
    				<result name="success">/hello.jsp</result>			
    			</action>
    		</package>
    </struts>