deletestudentaction.java
来自「学生信息管理系统」· Java 代码 · 共 41 行
JAVA
41 行
package action;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import vo.StudentVO;
import dao.StudentDAO;
import util.CharsetExchange;
public class DeleteStudentAction extends HttpServlet
{
public void doGet(HttpServletRequest request,HttpServletResponse response)throws IOException ,ServletException
{
String student_id=request.getParameter("student_id");
String student_name=CharsetExchange.ISOToGB(request.getParameter("student_name"));
StudentDAO studentdao=new StudentDAO();
boolean isexist=studentdao.checkStudent(student_id);
if(!isexist)
{
response.setCharacterEncoding("gb2312");
response.setContentType("text/html");
PrintWriter out=response.getWriter();
out.println("<html>");
out.println("<head><meta http-equiv=refresh content=2;url=deleteTeacher.jsp>");
out.println("<title>删除学生信息</title></head>");
out.println("<body background=2.jpg>");
out.println("<br><br><br>");
out.println("<h1 align=center ><font color=red>对不起,该学生用户不存在,无法删除</font></h1><hr>");
out.println("<br><br>");
out.println("</body>");
out.println("</html>");
}
else
{
studentdao.deleteStudent(student_id);
this.getServletContext().getRequestDispatcher("/deleteSucess.jsp").forward(request,response);
}
}
public void doPost(HttpServletRequest request,HttpServletResponse response)throws IOException ,ServletException
{
doGet(request,response);
}
}
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