struts2配置和用发

最新推荐文章于 2023-03-07 08:38:22 发布

原创最新推荐文章于 2023-03-07 08:38:22 发布 · 495 阅读

1 ·

CC 4.0 BY-SA版权

文章标签：

#struts #string #object #application #session #class

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">

<!--

不推荐使用

<result name="addSuccess">/hello.jsp</result>

</action>

</package>

-->

<!-- 推荐使用

<result>/student{1}_success.jsp</result>

</action>

</package>

-->

<result>/{1}_{2}_success.jsp</result>

<result name="error">/stu_delete_error.jsp</result>

</action>

</package>

</struts>

class:

package com.st2.test;

import java.util.Map;

import org.apache.struts2.interceptor.ApplicationAware;

import org.apache.struts2.interceptor.RequestAware;

import org.apache.struts2.interceptor.SessionAware;

import com.opensymphony.xwork2.ActionSupport;

import com.st2.test.mode.Student;

public class StudentAction extends ActionSupport implements RequestAware,SessionAware, ApplicationAware

{

private Map<String, Object> request;

private Map<String, Object> session;

private Map<String, Object> application;

private Student student;

public Student getStudent() {

return student;

}

public void setStudent(Student student) {

this.student = student;

}

public String add()

{

return SUCCESS;

}

public String delete()

{

System.out.println("name="+student.getName());

System.out.println("age="+student.getAge());

if(student.getName() == null || !student.getName().equals("hwq"))

{

this.addFieldError("deleteError", "go bed error!");

this.addFieldError("deleteError", "go bed is not happy!");

request.put("hwq", "1012");

return "error";

}

return SUCCESS;

}

//初始化

public void setRequest(Map<String, Object> request)

{

this.request = request;

}

public void setSession(Map<String, Object> session)

{

this.session = session;

}

public void setApplication(Map<String, Object> application)

{

this.application = application;

}

接受页面参数的javabean

package com.st2.test.mode;

public class Student

{

private String name;

private String age;

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getAge() {

return age;

}

public void setAge(String age) {

this.age = age;

}

jsp：

<body>

<s:fielderror fieldName="deleteError" theme="simple"/>

<s:property value="errors.deleteError[1]"/>

<s:debug></s:debug>

获取作用域对象的应用 request,session,application,HTTPServletRequest,HTTPServletResponse,ServletContext的引用:<br/>

姓名：<input type="text" name="user.name"/>

年龄：<input type="text" name="user.age">

</form>

<br/>

<%=request.getAttribute("hwq")%><br/>

${hwq}

</body>