studentservlet.java

关于学校管理

package student.manage.student;

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;


public class StudentServlet extends HttpServlet{
	
	StudentBean studentBean = new StudentBean();
	public StudentBean requestPageForm (HttpServletRequest request,HttpServletResponse response) throws ServletException {
		
		int mark = 0;
		int seconde_mark = 0;
		String grade_id = request.getParameter("GRADE_ID");
		String class_id = request.getParameter("CLASS_ID");
		String student_name = request.getParameter("STUDENT_NAME");
		if(request.getParameter("MARK") != null) {
			
			mark = Integer.parseInt(request.getParameter("MARK"));
		}
		
		if(request.getParameter("SECONDE_MARK")!=null){
			
			seconde_mark = Integer.parseInt(request.getParameter("SECONDE_MARK"));
		}
		
		studentBean.setGRADE_ID(grade_id);
		studentBean.setCLASS_ID(class_id);
		studentBean.setSTUDENT_NAME(student_name);
		studentBean.setMARK(mark);
		studentBean.setSECONDE_MARK(seconde_mark);
		
		return studentBean;
	}
	
	public void service (HttpServletRequest request,HttpServletResponse response)throws IOException,ServletException {
		
		StudentBlogicClass studentBlogicClass = new StudentBlogicClass();
		
		StudentBean gradeBean2 = requestPageForm(request,response);
		int i = studentBlogicClass.gradeInsert(gradeBean2);
		
		
		if(i!= 0){
			
			ArrayList list = studentBlogicClass.getStudent();
			request.setAttribute("getStudentList",list);
			RequestDispatcher rd = request.getRequestDispatcher("jsp/student.jsp");
			rd.forward(request,response);
		}
		
	}
	
}