cro_insertservlet.java

本网站为学生管理网站

package students;

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

/**
 * Servlet implementation class for Servlet: Cro_InsertServlet
 *
 */
 public class Cro_InsertServlet extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
   static final long serialVersionUID = 1L;
   
    /* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public Cro_InsertServlet() {
		super();
	}   	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}  	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		request.setCharacterEncoding("gb2312"); 
		String cro_id = (String)request.getParameter("cro_id");
		String cro_name = (String)request.getParameter("cro_name");
		String cro_teacher = (String)request.getParameter("cro_teacher");
		
		String cro_value = (String)request.getParameter("cro_value");
		String cro_grade = (String)request.getParameter("cro_grade");
		String cro_dropyear = (String)request.getParameter("cro_dropyear");
		if(cro_id.equals("")){
			response.sendRedirect("cro_insert.jsp?msg=1");
		}
		else if(cro_name.equals("")){
			response.sendRedirect("cro_insert.jsp?msg=2");
		}
		else if(cro_teacher.equals("")){
			response.sendRedirect("cro_insert.jsp?msg=3");
		}
		else if(cro_value.equals("")){
			response.sendRedirect("cro_insert.jsp?msg=4");
		}
		else if(cro_grade.equals("")){
			response.sendRedirect("cro_insert.jsp?msg=5");
		}
		else if(cro_id.length()!=7){
			response.sendRedirect("cro_insert.jsp?msg=6");
		}
		else{
			Crouse_Operate.insert(cro_id,cro_name,cro_teacher,cro_value,cro_grade,cro_dropyear);
			response.sendRedirect("success.jsp");
		}
			
	}   	  	    
}