——————————DescriptionStart——————————
运行环境
Java≥8、MySQL≥5.7、Tomcat≥8
开发工具
eclipse/idea/myeclipse/sts等均可配置运行
适用
课程设计，大作业，毕业设计，项目练习，学习演示等
功能说明
基于javaweb的JSP+Servlet学生信息管理系统(java+jsp+jdbc+mysql+tomcat+servlet)
——————————CodeStart——————————
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public class UploadServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html; charset=UTF-8");
String name = null;
int sno = -1;
boolean isMutipart = ServletFileUpload.isMultipartContent(request);
if(isMutipart) {
DiskFileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
factory.setRepository(new File("D:\\uploadtemp"));
List<FileItem> items = null;
try {
items = upload.parseRequest(request);
} catch (FileUploadException e) {
e.printStackTrace();
}
Iterator<FileItem> iter = items.iterator();
while(iter.hasNext()) {
FileItem item= iter.next();
String fileName = item.getName();
String itemName = item.getFieldName();
if(item.isFormField()) {
if(itemName.equals("name")){
name = item.getString("utf-8");
}else if(itemName.equals("sno")) {
sno =Integer.parseInt(item.getString("utf-8"));
}else {
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| protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
}
package student.servlet;
public class UpdateStudentServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("UTF-8");
String name = request.getParameter("name");
int sno = Integer.parseInt(request.getParameter("sno"));
int age = Integer.parseInt(request.getParameter("age"));
String dept = request.getParameter("dept");
Student student = new Student(name, age, dept);
System.out.println(sno);
IStudentService service = new StudentServiceImpl();
boolean result = service.updateStudentBySno(sno, student);
response.setContentType("text/html;charest=UTF-8");
response.setCharacterEncoding("utf-8");
if(!result) {
request.setAttribute("error2", "updateError");
}else {
request.setAttribute("error2", "noupdateError");
}
request.getRequestDispatcher("QueryStudentByPageServlet").forward(request, response);
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}
package student.servlet;
public class AddLoginIDServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
String ID = request.getParameter("UID");
String pwd = request.getParameter("upwd");
IStudentService studentService = new StudentServiceImpl();
boolean result = studentService.addLoginID(ID,pwd);
response.setContentType("text/html;charest=UTF-8");
response.setCharacterEncoding("utf-8");
if(!result) {
request.setAttribute("error4", "addError");
request.getRequestDispatcher("register.jsp").forward(request, response);
}else {
request.setAttribute("error4", "noaddError");
request.getRequestDispatcher("login.jsp").forward(request, response);
}
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
}
package student.servlet;
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| protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
}
package student.servlet;
public class DeleteLoginIDServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
String ID = request.getParameter("UID");
String pwd = request.getParameter("upwd");
IStudentService service = new StudentServiceImpl();
boolean result = service.checkLoginID(ID,pwd);
boolean result1 = service.deleteLoginID(ID);
response.setContentType("text/html;charest=UTF-8");
response.setCharacterEncoding("utf-8");
if(!result) {
request.setAttribute("error2", "loginError");
request.getRequestDispatcher("DeleteLoginID.jsp").forward(request, response);
}else {
request.setAttribute("error2", "nologinError");
if(!result1) {
request.setAttribute("error3", "deleteError");
request.getRequestDispatcher("DeleteLoginID.jsp").forward(request, response);
}else {
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| package student.servlet;
public class QueryStudentByPageServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public QueryStudentByPageServlet() {
super();
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
IStudentService studentService = new StudentServiceImpl();
int count = studentService.getTotalCount();
Page page = new Page();
String cPage = request.getParameter("currentPage");
if(cPage == null) {
cPage = "0";
}
int currentPage = Integer.parseInt(cPage);
page.setCurrentPage(currentPage);
int totalCount = studentService.getTotalCount();
page.setTotalCount(totalCount);
int pageSize = 4;
page.setPageSize(pageSize);
List<Student> students = studentService.queryStudentsByPage(currentPage, pageSize);
page.setStudents(students);
request.setAttribute("page1", page);
request.getRequestDispatcher("index.jsp").forward(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
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——————————PayStart——————————
项目链接：
https://javayms.github.io?id=402323052507201bs
https://javayms.pages.dev?id=402323052507201bs