src/servlet/ModifyPwdServlet.java

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

package servlet;

import java.io.IOException;
import java.util.ArrayList;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import util.Validate;
import bean.InsertUpdateDelBean;

public class ModifyPwdServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public ModifyPwdServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		Validate vd = new Validate();
		String oldpwd = vd.getUnicode(request.getParameter("oldpwd"));
		String newpwd = vd.getUnicode(request.getParameter("newpwd"));
		String teacher = vd.getUnicode(request.getParameter("teacher"));
		String student = vd.getUnicode(request.getParameter("student"));
		HttpSession session = request.getSession();
		ArrayList tlogin = (ArrayList)session.getAttribute("tlogin");
		ArrayList slogin = (ArrayList)session.getAttribute("slogin");
		InsertUpdateDelBean ib = new InsertUpdateDelBean();
		String sql = "";
		String str = "";
		if(teacher != null && !teacher.equals("")){
			str = "/teacher/modifypwd.jsp";
			sql = "update teacher set pwd='"+newpwd+"' where id="+tlogin.get(0);
			if(!oldpwd.equals(tlogin.get(2))){
				request.setAttribute("error", "1");
			}else{
				ib.insertANDupdateANDdel(sql);
				request.setAttribute("ok", "1");
				tlogin.set(2, newpwd);
			}
		}
		if(student != null && !student.equals("")){
			str = "/student/modifypwd.jsp";
			sql = "update student set pwd='"+newpwd+"' where id="+slogin.get(0);
			if(!oldpwd.equals(slogin.get(2))){