sytreeaction.java

仓库管理系统毕业设计论文最好的参考资料！

package com.qhit.action;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.qhit.UseException;
import com.qhit.db.instance.DbSyTree;

public class SyTreeAction {
	private DbSyTree dbSyTree;
	
	public SyTreeAction() throws UseException{
		dbSyTree = new DbSyTree();
	}
	
	public void query(HttpServletRequest request,HttpServletResponse response) throws Exception{
		try{
			List list = dbSyTree.query();
			request.setAttribute("list", list);
		}catch(Exception e){
			e.printStackTrace();
			request.setAttribute("error", "执行操作出错！原因：" + e.getMessage());
		}finally{
			dbSyTree.closeAll();
			request.getRequestDispatcher("tree.jsp").forward(request, response);
		}
	}
}