xiugaimima.java

选课系统,基于SSH2的选课系统,欢迎下载

package xiong.gang.servlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import xiong.gang.dao.DataDAO;
import xiong.gang.util.MD5;

@SuppressWarnings("serial")
public class XiuGaiMiMa extends HttpServlet {


	public XiuGaiMiMa() {
		super();
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		MD5 md5=new MD5();
		int i=0;
		String sno=(String) request.getSession().getAttribute("sno");
		String tno=(String) request.getSession().getAttribute("tno");
		String mno=(String) request.getSession().getAttribute("mno");
		String oldpassword=md5.getkeyBeanofStr(request.getParameter("oldpassword").trim());
		String newpassword=md5.getkeyBeanofStr(request.getParameter("newpassword").trim());
		String newpassword1=md5.getkeyBeanofStr(request.getParameter("newpassword1").trim());
		DataDAO data=new DataDAO();
		if(!(newpassword.equals(newpassword1))||newpassword==null||newpassword1==null||newpassword.length()==0||newpassword1.length()==0
				||oldpassword==null||oldpassword.length()==0){
			request.setAttribute("error","false");
			request.getRequestDispatcher("filter/xiugaimima.jsp").forward(request,response);
			
		}else{
			if(sno!=null)
				i=data.updateMiMaStudent(sno,oldpassword,newpassword);
			if(tno!=null)
				i=data.updateMiMaTeacher(tno,oldpassword,newpassword);
			if(mno!=null)
				i=data.updateMiMaManager(mno,oldpassword,newpassword);
			if(i!=0){
				request.setAttribute("success","success");
				request.getRequestDispatcher("filter/xiugaimima.jsp").forward(request,response);
			}else{
				request.setAttribute("xiugaierror","false");
				request.getRequestDispatcher("filter/xiugaimima.jsp").forward(request,response);
			}
			
		}
	}

}