📄 changepasswordaction.java

📁 学生信息管理系统
💻 JAVA
字号:
package action;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import vo.*;
import dao.*;
public class ChangePasswordAction extends HttpServlet
{
	public void doGet(HttpServletRequest request,HttpServletResponse response)throws IOException ,ServletException
	{
		HttpSession session=request.getSession(true);
		String username=request.getParameter("username");
		String oldpassword=request.getParameter("oldpassword");
		String newpassword=request.getParameter("newpassword");
		String surepassword=request.getParameter("surepassword");
		UserLoginDao logindao=new UserLoginDao();
		boolean isexist=logindao.checkUser(username,oldpassword);
		if(isexist)
		{
			response.setCharacterEncoding("gb2312");
			response.setContentType("text/html");
			PrintWriter out=response.getWriter();
			out.println("<html>");
			out.println("<head><meta http-equiv=refresh content=3;url=LoginForm.jsp>");
			out.println("<title>无法修改密码</title></head>");
			out.println("<body background=2.jpg>");
			out.println("<br><br><br>");
			out.println("<h1 align=center ><font color=red>没有该用户或密码错误</font></h1><hr>");
			out.println("<br><br>");
			out.println("</body>");
			out.println("</html>");
		}
		else
		{
			if(!newpassword.equals(surepassword))
			{
				response.setCharacterEncoding("gb2312");
				response.setContentType("text/html");
				PrintWriter out=response.getWriter();
				out.println("<html>");
				out.println("<head><meta http-equiv=refresh content=3;url=LoginForm.jsp>");
				out.println("<title>发生错误</title></head>");
				out.println("<body background=2.jpg>");
				out.println("<br><br><br>");
				out.println("<h1 align=center ><font color=red>对不起，两次输入的密码不一致，请重新输入</font></h1><hr>");
				out.println("<br><br>");
				out.println("</body>");
				out.println("</html>");
			}
			else
			{
				logindao.changePassword(username,newpassword);	
				this.getServletContext().getRequestDispatcher("/changepasswordsucess.jsp").forward(request,response);
			}
		
			
		}
		
	}
	public void doPost(HttpServletRequest request,HttpServletResponse response)throws IOException ,ServletException
	{
		doGet(request,response);
		
	}
}
⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -