childform.java

一个基于struts框架开发的论坛系统,适合学习

package frm;

import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.*;

public class ChildForm extends ActionForm {
	
	private Child child;
	
	public void setChild(Child c){
		System.out.println("Child="+c);
		child=c; 
	}
	
	public Child getChild(){
		return child;
	}
	
	public void reset(ActionMapping mapping,HttpServletRequest request){
		System.out.println("-----Reset Child------");
		child=new Child();
	}
	
	public ActionErrors validate(ActionMapping mapping,HttpServletRequest request){
		System.out.println("--验证输入的信息--"+child);
		ActionErrors errors=new ActionErrors();
		ErrorMsg msg=new ErrorMsg();		
		if(child.getName()==null || child.getName().length()<3 || child.getName().length()>36){
			System.out.println("名称不能为空或小于3个字！");
			errors.add("name",new ActionError("error.child.name"));
			msg.putMsg("name","名称不能为空或小于3个字,也不能大于36个字！");
		}
		if(child.getDesc()==null || child.getDesc().length()<10 || child.getDesc().length()>122){
			System.out.println("描述不能为空或小于10个字！");
			errors.add("desc",new ActionError("error.child.desc"));
			msg.putMsg("desc","描述不能为空或小于10个字,或大于120个字!");
		}
		 
		(request.getSession()).setAttribute("child",child);
		if(errors.isEmpty()==false){
			(request.getSession()).setAttribute("validMsg",msg);
		}
		return errors;
	}
	
	
}