STRUTS2 Fourth day

Three. Sub-module configuration method

<inclue file= "" ></include>

Xml

Cheliang.xml

<?xml version= "1.0" encoding= "UTF-8"?>
<! DOCTYPE Struts Public
"-//apache software foundation//dtd Struts Configuration 2.0//en"
"Http://struts.apache.org/dtds/struts-2.0.dtd" >

<struts>

<package name= "Cheliang" namespace= "/cheliang" extends= "Struts-default" >
<action name= "Cheliang" class= "Com.java1234.action.CheLiangAction" >
<result name= "Success" >${pageContext.request.contextPath}/success.jsp</result>
</action>

</package>

</struts>

Zichan.xml

<?xml version= "1.0" encoding= "UTF-8"?>
<! DOCTYPE Struts Public
"-//apache software foundation//dtd Struts Configuration 2.0//en"
"Http://struts.apache.org/dtds/struts-2.0.dtd" >

<struts>

<package name= "Zichan" namespace= "/zichan" extends= "Struts-default" >
<action name= "Zichan" class= "Com.java1234.action.ZiChanAction" >
<result name= "Success" >${pageContext.request.contextPath}/success.jsp</result>
</action>

</package>

</struts>

Struts.xml

<?xml version= "1.0" encoding= "UTF-8"?>
<! DOCTYPE Struts Public
"-//apache software foundation//dtd Struts Configuration 2.0//en"
"Http://struts.apache.org/dtds/struts-2.0.dtd" >

<struts>

<include file= "Cheliang.xml" ></include>
<include file= "Zichan.xml" ></include>

</struts>

Action

Cheliangaction.java

Package com.java1234.action;

Import Com.opensymphony.xwork2.ActionSupport;

public class Cheliangaction extends actionsupport{

/**
*
*/
Private static final long serialversionuid = 1L;

@Override
Public String Execute () throws Exception {
System.out.println ("default method for executing cheliangaction action");
return SUCCESS;
}
}

Zichanaction.java

Package com.java1234.action;

Import Com.opensymphony.xwork2.ActionSupport;

public class Zichanaction extends actionsupport{

/**
*
*/
Private static final long serialversionuid = 1L;

@Override
Public String Execute () throws Exception {
System.out.println ("default method for executing zichanaction action");
return SUCCESS;
}

}

Four. Use a wildcard character

Action

Gradeaction.java

Package com.java1234.action;

Import Com.opensymphony.xwork2.ActionSupport;

public class Gradeaction extends actionsupport{

private String name;


Public String GetName () {
return name;
}

public void SetName (String name) {
THIS.name = name;
}


Public String list () throws exception{
SYSTEM.OUT.PRINTLN ("Class lookup");
Name= "Class Search";
return SUCCESS;
}

Public String Add () throws exception{
SYSTEM.OUT.PRINTLN ("class add");
Name= "class add";
return SUCCESS;
}

Public String Update () throws exception{
SYSTEM.OUT.PRINTLN ("Class modification");
Name= "Class modification";
return SUCCESS;
}

Public String Delete () throws exception{
SYSTEM.OUT.PRINTLN ("class delete");
Name= "Class deletion";
return SUCCESS;
}

}

Studentaction.java

Package com.java1234.action;

Import Com.opensymphony.xwork2.ActionSupport;

public class Studentaction extends actionsupport{

private String name;

Public String GetName () {
return name;
}

public void SetName (String name) {
THIS.name = name;
}

Public String list () throws exception{
System.out.println ("Student Search");
Name= "Student Search";
return SUCCESS;
}

Public String Add () throws exception{
SYSTEM.OUT.PRINTLN ("Student Add");
Name= "Student Add";
return SUCCESS;
}

Public String Update () throws exception{
SYSTEM.OUT.PRINTLN ("Student modification");
Name= "Student Modification";
return SUCCESS;
}

Public String Delete () throws exception{
SYSTEM.OUT.PRINTLN ("student Delete");
Name= "Student deletion";
return SUCCESS;
}
}

Xml

<?xml version= "1.0" encoding= "UTF-8"?>
<! DOCTYPE Struts Public
"-//apache software foundation//dtd Struts Configuration 2.0//en"
"Http://struts.apache.org/dtds/struts-2.0.dtd" >

<struts>

<constant name= "Struts.enable.DynamicMethodInvocation" value= "true"/>

<package name= "Manage" namespace= "/" extends= "Struts-default" >

<!--<action name= "student_*" class= "com.java1234.action.StudentAction" method= "{1}" >
<result name= "Success" >success.jsp</result>
</action>

<action name= "grade_*" class= "com.java1234.action.GradeAction" method= "{1}" >
<result name= "Success" >success.jsp</result>
</action>
      
<!--<action name= "*_*" class= "com.java1234.action. {1} Action "method=" {2} ">
<result name= "Success" >success.jsp</result>
</action>

<action name= "Student" class= "com.java1234.action.StudentAction" >
<result name= "Success" >success.jsp</result>
</action>

<action name= "Grade" class= "Com.java1234.action.GradeAction" >
<result name= "Success" >success.jsp</result>
</action>

</package>

</struts>

Section sixth. Dynamic Method invocation

<constant name= "Struts.enable.DynamicMethodInvocation" value= "true"/>

XML file

<%@ page language= "java" contenttype= "text/html; Charset=utf-8 "
pageencoding= "UTF-8"%>
<! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "HTTP://WWW.W3.ORG/TR/HTML4/LOOSE.DTD" >
<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 ">
<title>insert title here</title>
<body>
<a href= "student_list" target= "_blank" > Student Information Enquiry </a>&nbsp;
<a href= "Student_add" target= "_blank" > Student Information Add </a>&nbsp;
<a href= "student_update" target= "_blank" > Student Information Modification </a>&nbsp;
<a href= "Student_delete" target= "_blank" > Student Information Removal </a>&nbsp;
<br/><br/>
<a href= "grade_list" target= "_blank" > class information Query </a>&nbsp;
<a href= "Grade_add" target= "_blank" > class info Add </a>&nbsp;
<a href= "grade_update" target= "_blank" > class information Modification </a>&nbsp;
<a href= "Grade_delete" target= "_blank" > class info Delete </a>&nbsp;<br/>
<a href= "student!list" target= "_blank" > Student Information Enquiry </a>&nbsp;
<a href= "Student!add" target= "_blank" > Student Information Add </a>&nbsp;
<a href= "student!update" target= "_blank" > Student Information Modification </a>&nbsp;
<a href= "Student!delete" target= "_blank" > Student Information Removal </a>&nbsp;
<br/><br/>
<a href= "grade!list" target= "_blank" > class information Query </a>&nbsp;
<a href= "Grade!add" target= "_blank" > class info Add </a>&nbsp;
<a href= "grade!update" target= "_blank" > class information Modification </a>&nbsp;
<a href= "Grade!delete" target= "_blank" > class info Delete </a>&nbsp;<br/>
</body>

Section Seventh: Action life cycle

Action

Helloaction

public class Helloaction extends actionsupport{

/**
*
*/
Private static final long serialversionuid = 1L;

Public Helloaction () {
System.out.println (this);
}

@Override
Public String Execute () throws Exception {
TODO auto-generated Method Stub
return SUCCESS;
}

}

Struts.xml

<! DOCTYPE Struts Public
"-//apache software foundation//dtd Struts Configuration 2.0//en"
"Http://struts.apache.org/dtds/struts-2.0.dtd" >

<struts>


<package name= "Manage" namespace= "/" extends= "Struts-default" >

<action name= "Hello" class= "com.java1234.action.HelloAction" >
<result name= "Success" >success.jsp</result>
</action>
</package>

</struts>

Note: An action instance is created for each request, and spring defaults to a singleton

STRUTS2 Fourth day