Java学生成绩管理系统（MySQL+JSP+Servlet）

灰常简单的Java学生成绩管理系统 效果展示：http://www.cnblogs.com/wenruo/p/6351787.html

package com.wenr.controller;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.wenr.dao.CourseDao;
import com.wenr.dao.StudentDao;
import com.wenr.model.Course;
import com.wenr.model.Student;

public class AdminServlet extends HttpServlet {

	/**
		 * Constructor of the object.
		 */
	public AdminServlet（） {
		super（）;
	}

	/**
		 * Destruction of the servlet. 

		 */
	public void destroy（） {
		super.destroy（）; // Just puts “destroy“ string in log
		// Put your code here
	}

	/**
		 * The doGet method of the servlet. 

		 *
		 * This method is called when a form has its tag value method equals to get.
		 * 
		 * @param request the request send by the client to the server
		 * @param response the response send by the server to the client
		 * @throws ServletException if an error occurred
		 * @throws IOException if an error occurred
		 */
	public void doGet（HttpServletRequest request HttpServletResponse response） throws ServletException IOException {
		doPost（requestresponse）;
	}

	/**
		 * The doPost method of the servlet. 

		 *
		 * This method is called when a form has its tag value method equals to post.
		 * 
		 * @param request the request send by the client to the server
		 * @param response the response send by the server to the client
		 * @throws ServletException if an error occurred
		 * @throws IOException if an error occurred
		 */
	public void doPost（HttpServletRequest request HttpServletResponse response） throws ServletException IOException {
		request.setCharacterEncoding（“utf-8“）;
		response.setContentType（“text/html;charset=utf-8“）;
		
		String action = request.getParameter（“action“）;
		String path = request.getContextPath（）;		
		HttpSession session = request.getSession（）;
		PrintWriter out = response.getWriter（）;
		
		CourseDao courseDao = new CourseDao（）;
		
		if （“delete“.equals（action）） {
			// 删除课程
			courseDao.deleteCourseById（Integer.parseInt（request.getParameter（“cid“）））;
	  		response.sendRedirect（“../adminSearchCourse.jsp“）;
		} else if （“update“.equals（action）） {
			// 更新课程
			Course course = new Course（）;
			course.setCid（Integer.parseInt（request.getParameter（“cid“）））;
			course.setCname（request.getParameter（“cname“））;
			course.setCredit（Integer.parseInt（request.getParameter（“credit“）））;
			courseDao.updateCourse（course）;
	  		response.sendRedirect（“../adminSearchCourse.jsp“）;
		} else if （“addStudent“.equals（action）） {
			Student student = new Student（）;
			StudentDao studentDao = new StudentDao（）;
		  	student.setSpwd（request.getParameter（“spwd“））;
		  	student.setSname（request.getParameter（“sname“））;
			studentDao.addStudent（student）;
			response.sendRedirect（“../adminAddStudent.jsp“）; 
	

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-01-25 15:18  StudentAchievementManagementSystem\
     文件        1093  2017-01-25 15:18  StudentAchievementManagementSystem\.classpath
     文件        1084  2017-01-25 15:18  StudentAchievementManagementSystem\.project
     目录           0  2017-01-26 20:18  StudentAchievementManagementSystem\.settings\
     文件         564  2017-01-25 15:18  StudentAchievementManagementSystem\.settings\.jsdtscope
     文件          74  2017-01-26 20:18  StudentAchievementManagementSystem\.settings\org.eclipse.core.resources.prefs
     文件         364  2017-01-25 15:18  StudentAchievementManagementSystem\.settings\org.eclipse.jdt.core.prefs
     文件         561  2017-01-25 15:18  StudentAchievementManagementSystem\.settings\org.eclipse.wst.common.component
     文件         414  2017-01-25 15:18  StudentAchievementManagementSystem\.settings\org.eclipse.wst.common.project.facet.core.xml
     文件          49  2017-01-25 15:18  StudentAchievementManagementSystem\.settings\org.eclipse.wst.jsdt.ui.superType.container
     文件           6  2017-01-25 15:18  StudentAchievementManagementSystem\.settings\org.eclipse.wst.jsdt.ui.superType.name
     目录           0  2017-01-26 19:00  StudentAchievementManagementSystem\src\
     目录           0  2017-01-25 15:19  StudentAchievementManagementSystem\src\com\
     目录           0  2017-01-26 19:43  StudentAchievementManagementSystem\src\com\wenr\
     目录           0  2017-01-26 17:35  StudentAchievementManagementSystem\src\com\wenr\controller\
     文件        3500  2017-01-26 16:58  StudentAchievementManagementSystem\src\com\wenr\controller\AdminServlet.java
     文件        1827  2017-01-26 17:43  StudentAchievementManagementSystem\src\com\wenr\controller\LoginFilter.java
     文件        4896  2017-01-26 17:41  StudentAchievementManagementSystem\src\com\wenr\controller\LoginServlet.java
     文件        5015  2017-01-26 15:41  StudentAchievementManagementSystem\src\com\wenr\controller\StudentServlet.java
     目录           0  2017-01-26 14:29  StudentAchievementManagementSystem\src\com\wenr\dao\
     文件        4801  2017-01-26 15:20  StudentAchievementManagementSystem\src\com\wenr\dao\CourseDao.java
     文件        6644  2017-01-25 15:53  StudentAchievementManagementSystem\src\com\wenr\dao\StudentDao.java
     目录           0  2017-01-25 15:26  StudentAchievementManagementSystem\src\com\wenr\model\
     文件         629  2017-01-25 15:30  StudentAchievementManagementSystem\src\com\wenr\model\Course.java
     文件         472  2017-01-25 15:24  StudentAchievementManagementSystem\src\com\wenr\model\Student.java
     目录           0  2017-01-25 15:40  StudentAchievementManagementSystem\src\com\wenr\util\
     文件         780  2017-01-25 15:41  StudentAchievementManagementSystem\src\com\wenr\util\DBUtil.java
     目录           0  2017-01-26 17:31  StudentAchievementManagementSystem\WebRoot\
     文件        1992  2017-01-26 16:49  StudentAchievementManagementSystem\WebRoot\adminAddCourse.jsp
     文件        1582  2017-01-26 16:54  StudentAchievementManagementSystem\WebRoot\adminAddStudent.jsp
     文件        1354  2017-01-26 15:47  StudentAchievementManagementSystem\WebRoot\adminMain.jsp
............此处省略41个文件信息