select_crouseservlet.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: SelectServlet
 *
 */
 public class Select_CrouseServlet extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
   static final long serialVersionUID = 1L;
   
    /* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public Select_CrouseServlet() {
		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 {
		String str1=null;
		String str2=null;
		String str3=null;
		String str4=null;
		String str5=null;
		String stu=request.getParameter("ID");
		String[] sel=request.getParameterValues("select");
		for(int i=0;i<sel.length;i++){
			if(sel[i].equals("2005001"))
				str1="2005001";
			if(sel[i].equals("2005002"))
				str2="2005002";
			if(sel[i].equals("2005003"))
				str3="2005003";
			if(sel[i].equals("2005004"))
				str4="2005004";
			if(sel[i].equals("2005005"))
				str5="2005005";
		}
		
		Sel_crouses a=new Sel_crouses();
		String ss1=a.enrollyear(stu);
		int ss=2007-Integer.parseInt(ss1)+1;       //该学生的年级
		String ss2[]=a.cro_grade();
		int ss3[]=a.cro_dropyear();
		if(ss<Integer.parseInt(ss2[0]) || 2007>=ss3[0]){
			str1=null;
		
		}
		if(ss<Integer.parseInt(ss2[1]) || 2007>=ss3[1]){
			str2=null;
			
		}
		if(ss<Integer.parseInt(ss2[2]) || 2007>=ss3[2]){
			str3=null;
			
		}
		if(ss<Integer.parseInt(ss2[3]) || 2007>=ss3[3]){
			str4=null;
			
		}
		if(ss<Integer.parseInt(ss2[4]) || 2007>=ss3[4]){
			str5=null;
			
		}
		Select.select(stu,str1,str2,str3,str4,str5);
		
	} 
	
}