Проблема с сервером
#39807477
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Nixic,
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package adil.java.schoolmaven.controller;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
import adil.java.schoolmaven.entity.Student;
import adil.java.schoolmaven.service.StudentService;
import org.apache.commons.io.IOUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class StudentController {
private final static File UPLOAD_FOLDER = new File(System.getProperty("user.dir") + "/avatars/");
static {
if (!UPLOAD_FOLDER.exists()) {
UPLOAD_FOLDER.mkdirs();
}
}
// Constructor based Dependency Injection
private StudentService studentService;
public StudentController() {
}
@Autowired
public StudentController(StudentService studentService) {
this.studentService = studentService;
}
@RequestMapping(value = {"/", "/index"}, method = RequestMethod.GET)
public ModelAndView hello(HttpServletResponse response) {
ModelAndView mv = new ModelAndView();
mv.setViewName("index");
return mv;
}
// Get All Users
@RequestMapping(value = "/allStudents", method = {RequestMethod.GET, RequestMethod.POST})
public ModelAndView displayAllUser() {
System.out.println("User Page Requested : All Students");
ModelAndView mv = new ModelAndView();
List<Student> studentList = studentService.getAllStudents();
mv.addObject("studentList", studentList);
mv.setViewName("allStudents");
return mv;
}
@RequestMapping(value = "/addStudent", method = RequestMethod.GET)
public ModelAndView displayNewUserForm() {
ModelAndView mv = new ModelAndView("addStudent");
mv.addObject("headerMessage", "Add Student Details");
mv.addObject("student", new Student());
return mv;
}
@PostMapping(value = "/addStudent")
public String saveNewStudent(@RequestParam("name") String name,
@RequestParam("surname") String surname,
@RequestParam("avatar") MultipartFile file)
throws IOException {
if (file != null && !file.isEmpty()) {
Student student = new Student();
student.setSurname(surname);
student.setSurname(name);
student.setAvatar(file.getBytes());
studentService.saveStudent(student);
}
return "redirect:/allStudents";
}
@RequestMapping(value = "/image", method = RequestMethod.GET)
public void image(@RequestParam String url, HttpServletResponse response) throws IOException {
InputStream in = new FileInputStream(url);
response.setContentType(MediaType.IMAGE_JPEG_VALUE);
IOUtils.copy(in, response.getOutputStream());
}
@RequestMapping(value = "/editStudent/{id}", method = RequestMethod.GET)
public ModelAndView displayEditUserForm(@PathVariable Long id) {
ModelAndView mv = new ModelAndView("/editStudent");
Student student = studentService.getStudentById(id);
mv.addObject("headerMessage", "Редактирование студента");
mv.addObject("student", student);
return mv;
}
@RequestMapping(value = "/editStudent/{id}", method = RequestMethod.POST)
public ModelAndView saveEditedUser(@ModelAttribute Student student, BindingResult result) {
ModelAndView mv = new ModelAndView("redirect:/allStudents");
if (result.hasErrors()) {
System.out.println(result.toString());
return new ModelAndView("error");
}
boolean isSaved = studentService.saveStudent(student);
if (!isSaved) {
return new ModelAndView("error");
}
return mv;
}
@RequestMapping(value = "/deleteStudent/{id}", method = RequestMethod.GET)
public ModelAndView deleteUserById(@PathVariable Long id) {
boolean isDeleted = studentService.deleteStudentById(id);
System.out.println("Удаление студента: " + isDeleted);
ModelAndView mv = new ModelAndView("redirect:/allStudents");
return mv;
}
}
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package adil.java.schoolmaven.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.web.multipart.MultipartResolver;
import org.springframework.web.multipart.support.StandardServletMultipartResolver;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
@Configuration
@EnableWebMvc
@EnableJpaRepositories
@ComponentScan(basePackages = "adil.java.schoolmaven")
public class WebMvcConfig implements WebMvcConfigurer {
@Bean
public ViewResolver getViewResolver() {
InternalResourceViewResolver resolver = new InternalResourceViewResolver();
resolver.setPrefix("/WEB-INF/views/");
resolver.setSuffix(".jsp");
return resolver;
}
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/resources/**").addResourceLocations("/resources/css");
}
@Bean
public MultipartResolver multipartResolver() {
return new StandardServletMultipartResolver();
}
}
//@Override
//public void configureViewResolvers(ViewResolverRegistry registry) {
// registry.jsp().prefix("/WEB-INF/views/").suffix(".jsp");
//}
// @Bean
// public MessageSource messageSource() {
// ResourceBundleMessageSource messageSource = new
// ResourceBundleMessageSource();
// messageSource.setBasename("messages");
// return messageSource;
// }
/*@Override
public void addViewControllers(ViewControllerRegistry registry) {
registry.addViewController("/").setViewName("index");
}*/
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package adil.java.schoolmaven.config;
import javax.servlet.MultipartConfigElement;
import javax.servlet.ServletRegistration;
import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
public class ServletInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
private final int DEFAULT_SIZE = 10 * 1024 * 1024;
@Override
protected Class<?>[] getRootConfigClasses() {
return new Class[] { HibernateConfig.class };
}
@Override
protected Class<?>[] getServletConfigClasses() {
return new Class[] { WebMvcConfig.class };
}
@Override
protected String[] getServletMappings() {
return new String[] { "/" };
}
@Override
protected void customizeRegistration(ServletRegistration.Dynamic registration) {
registration.setMultipartConfig(new MultipartConfigElement("", DEFAULT_SIZE, DEFAULT_SIZE, DEFAULT_SIZE));
}
}
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<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js"></script>
<title>Home</title>
</head>
<body>
<div class="add">
<br>
<br>
<br>
<br>
<center>
<h1>${headerMessage}</h1>
<form:form method="POST" action="/addStudent" enctype="multipart/form-data">
<table>
<tr>
<td><label path="Name">Имя</label></td>
<td><input type="text" name="name"/></td>
</tr>
<tr>
<td><label path="Surname">Фамилия</label></td>
<td><input type="text" name="surname"/></td>
</tr>
<tr>
<td><label path="Avatar">Фотография:</label></td>
<td>
<input type="file" name="avatar"/>
</td>
</tr>
<tr>
<td><input class="btn btn-primary" type="submit" value="Добавить"></td>
</tr>
</table>
</form:form>
</center>
</div>
</body>
</html>
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<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8" isELIgnored="false"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js"></script>
<link href="../css/style.css" rel="stylesheet" type="text/css">
<style><%@include file="/WEB-INF/css/style.css"%></style>
<title>Все студенты</title>
</head>
<body>
<br>
<br>
<br>
<br>
<div class="it">
<h3>Список всех студентов</h3>
${message}
<br>
<br>
<table class="table">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">Имя</th>
<th scope="col">Фамилия</th>
<th scope="col">Фото</th>
</tr>
</thead>
<tbody>
<c:forEach var="student" items="${studentList}">
<tr>
<th scope="row">1</th>
<td>${student.name}</td>
<td>${student.surname}</td>
<td><img src="data:image/jpg;base64,${student.base64Image}" style="max-height: 200px; max-width: 200px;" /></td>
<td><a
href="${pageContext.request.contextPath}/editStudent/${student.id}"><button type="button" class="btn btn-primary">Редактировать</button>
<td><a
href="${pageContext.request.contextPath}/deleteStudent/${student.id}"><button type="button" class="btn btn-primary">Удалить</button>
</tr>
</c:forEach>
</tbody>
</table>
<a href="${pageContext.request.contextPath}/addStudent"><button type="button" class="btn btn-primary">Добавить студента</button></a>
</div>
</body>
</html>
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