21-05 Mvc view

2026-05-30 10:50:42 +00:00 · 2021-08-03 19:25:32 +03:00
parent d9ec07b992
commit 79111ec8a5
20 changed files with 635 additions and 0 deletions
@@ -0,0 +1,24 @@
+target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-view-class-work</artifactId>
+    <version>1.0</version>
+
+    <packaging>pom</packaging>
+
+    <modules>
+        <module>spring-mvc-view-exercise</module>
+        <module>spring-mvc-view-solution</module>
+    </modules>
+</project>
@@ -0,0 +1,24 @@
+target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-view-exercise</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.2.6.RELEASE</version>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,28 @@
+package ru.otus.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.annotation.PostConstruct;
+
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+
+    //Чтобы не усложнять пример, делать так нельзя :)
+    @SuppressWarnings("SpringJavaAutowiredFieldsWarningInspection")
+    @Autowired
+    private PersonRepository repository;
+
+    @PostConstruct
+    public void init() {
+        repository.save(new Person("Pushkin"));
+        repository.save(new Person("Lermontov"));
+    }
+}
@@ -0,0 +1,37 @@
+package ru.otus.spring.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue
+    private int id;
+    private String name;
+
+    public Person() {
+    }
+
+    public Person(String name) {
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.repostory;
+
+import org.springframework.data.repository.CrudRepository;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+public interface PersonRepository extends CrudRepository<Person, Integer> {
+
+    List<Person> findAll();
+}
@@ -0,0 +1,7 @@
+package ru.otus.spring.rest;
+
+class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+    }
+}
@@ -0,0 +1,35 @@
+package ru.otus.spring.rest;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Controller
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @Autowired
+    public PersonController(PersonRepository repository) {
+        this.repository = repository;
+    }
+
+    @GetMapping("/")
+    public String listPage(Model model) {
+        List<Person> persons = repository.findAll();
+        model.addAttribute("persons", persons);
+        return "list";
+    }
+
+    @GetMapping("/edit")
+    public String editPage(@RequestParam("id") int id, Model model) {
+        return null;
+    }
+}
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>Edit person</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        label {
+            display: inline-block;
+            width: 100px;
+        }
+
+        input:read-only {
+            background: lightgray;
+        }
+
+        .row {
+            margin-top: 10px;
+        }
+    </style>
+</head>
+<body>
+
+<!-- Person edition -->
+<form id="edit-form" action="edit.html">
+    <h1>Person Info:</h1>
+
+    <div class="row">
+        <label for="id-input">ID:</label>
+        <input id="id-input" type="text" readonly="readonly" value="1"/>
+    </div>
+
+    <div class="row">
+        <label for="holder-input">Name:</label>
+        <input id="holder-input" name="name" type="text" value="John Doe"/>
+    </div>
+
+    <div class="row">
+        <button type="submit">Save</button>
+    </div>
+</form>
+
+</body>
+</html>
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>List of all persons</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        .persons, .persons td {
+            border: 1px solid lightgray;
+            padding: 5px;
+        }
+    </style>
+</head>
+<body>
+<h1>Persons:</h1>
+
+<table class="persons">
+    <thead>
+    <tr>
+        <th>ID</th>
+        <th>Name</th>
+        <th>Action</th>
+    </tr>
+    </thead>
+    <tbody>
+    <tr>
+        <td>1</td>
+        <td>John Doe</td>
+        <td>
+            <a href="edit.html">Edit</a>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>
@@ -0,0 +1,24 @@
+target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-view-solution</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.2.6.RELEASE</version>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,27 @@
+package ru.otus.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.annotation.PostConstruct;
+
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+
+    @SuppressWarnings("SpringJavaAutowiredFieldsWarningInspection")
+    @Autowired
+    private PersonRepository repository;
+
+    @PostConstruct
+    public void init() {
+        repository.save(new Person("Pushkin"));
+        repository.save(new Person("Lermontov"));
+    }
+}
@@ -0,0 +1,37 @@
+package ru.otus.spring.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Person {
+
+    @Id
+    @GeneratedValue
+    private int id;
+    private String name;
+
+    public Person() {
+    }
+
+    public Person(String name) {
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.repostory;
+
+import org.springframework.data.repository.CrudRepository;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+public interface PersonRepository extends CrudRepository<Person, Integer> {
+
+    List<Person> findAll();
+}
@@ -0,0 +1,7 @@
+package ru.otus.spring.rest;
+
+class NotFoundException extends RuntimeException{
+
+    NotFoundException() {
+    }
+}
@@ -0,0 +1,52 @@
+package ru.otus.spring.rest;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ExtendedModelMap;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.ModelAndView;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+@Controller
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    @Autowired
+    public PersonController(PersonRepository repository) {
+        this.repository = repository;
+    }
+
+    @GetMapping("/")
+    public String listPage(Model model) {
+        List<Person> persons = repository.findAll();
+        model.addAttribute("persons", persons);
+        return "list";
+    }
+
+    @GetMapping("/edit")
+    public String editPage(@RequestParam("id") int id, Model model) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        model.addAttribute("person", person);
+        return "edit";
+    }
+    
+    @PostMapping("/edit")
+    public String savePerson(
+            Person person,
+            Model model
+                            ) {
+        Person saved = repository.save(person);
+        model.addAttribute(saved);
+        //Ошибка! Нужен редирект!
+        return "edit";
+    }
+}
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>Edit person</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        label {
+            display: inline-block;
+            width: 100px;
+        }
+
+        input:read-only {
+            background: lightgray;
+        }
+
+        .row {
+            margin-top: 10px;
+        }
+    </style>
+</head>
+<body>
+
+<!-- Person edition -->
+<form id="edit-form" th:action="@{/edit(id=${person.id})}" th:method="post" action="edit.html">
+    <h1>Person Info:</h1>
+
+    <div class="row">
+        <label for="id-input">ID:</label>
+        <input id="id-input" type="text" readonly="readonly" th:value="${person.id}" value="1"/>
+    </div>
+
+    <div class="row">
+        <label for="holder-input">Name:</label>
+        <input id="holder-input" name="name" type="text" th:value="${person.name}" value="John Doe"/>
+    </div>
+
+    <div class="row">
+        <button type="submit">Save</button>
+    </div>
+</form>
+
+</body>
+</html>
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<html lang="en" xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8"/>
+    <title>List of all persons</title>
+    <style type="text/css">
+        body {
+            padding: 50px;
+        }
+
+        .persons, .persons td {
+            border: 1px solid lightgray;
+            padding: 5px;
+        }
+    </style>
+</head>
+<body>
+<h1>Persons:</h1>
+
+<table class="persons">
+    <thead>
+    <tr>
+        <th>ID</th>
+        <th>Name</th>
+        <th>Action</th>
+    </tr>
+    </thead>
+    <tbody>
+    <tr th:each="person : ${persons}">
+        <td th:text="${person.id}">1</td>
+        <td th:text="${person.name}">John Doe</td>
+        <td>
+            <a th:href="@{/edit(id=${person.id})}" href="edit.html">Edit</a>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+</html>