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  • struts2_模型驱动

     

    一.注意点

    1. 建立实现ModelDriven接口的action类
    2. 在该action类中,创建实体对象并new
    3. 在getModel返回该对象
    4. 在显示页面中提交的表单name正常写

    二.案例

      创建实体类User:

      
    package com.ahd.entity;
    
    import com.opensymphony.xwork2.ModelDriven;
    
    public class User{
        private String username;
        private String password;
        public String getUsername() {
            return username;
        }
        public void setUsername(String username) {
            this.username = username;
        }
        public String getPassword() {
            return password;
        }
        public void setPassword(String password) {
            this.password = password;
        }
    }
    User

      

      创建实现ModelDriven接口的action类UserModelAction:

      package com.ahd.action;
      
      import com.ahd.entity.User;
      import com.opensymphony.xwork2.Action;
      import com.opensymphony.xwork2.ModelDriven;
    
      public class UserModelAction implements ModelDriven{
          User user=new User();
          @Override
          public Object getModel() {
              // TODO Auto-generated method stub
              return user;
          }
          public String execute(){
              System.out.println(user.getUsername()+user.getPassword());
              return Action.SUCCESS;
          }
      }

      提交表单页面编写(关键代码):

    1 <form action="userModel.action">
    2         用户名:<input type="text" name="username"/><br/>
    3         密    码:<input type="password" name="password"/><br/>
    4         <input type="submit" value="submit"/>
    5         <input type="reset" name="reset"/><br/>
    6     </form>

      

      struts.xml

      
    <?xml version="1.0" encoding="UTF-8"?>
    
    <!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
        "struts-2.0.dtd">
    
    <struts>
        <package name="struts2" extends="struts-default" namespace="">
            <action name="userModel" class="com.ahd.action.UserModelAction">
                <result>/success.jsp</result>
            </action>
        </package>
    </struts>
    struts.xml

      web.xml文件(关键代码) 

      
    <filter>
            <filter-name>struts2</filter-name>
            <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
        </filter>
        <filter-mapping>
            <filter-name>struts2</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>
    web.xml

      

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  • 原文地址:https://www.cnblogs.com/aihuadung/p/9920407.html
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