LabWork01

2024-03-06 18:55:33 +04:00
5 changed files with 186 additions and 0 deletions
--- a/demo/build.gradle
+++ b/demo/build.gradle
@ -17,6 +17,8 @@ repositories {
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.3.0'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 }
--- a/demo/index.html
+++ b/demo/index.html
@ -0,0 +1,65 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
 </head>
 <body>
    <p id="out">Push the button</p>
    <input id="name"/>
    <br/>
    <button onclick="get()">Get</button>
    <br/>
    <button onclick="getTest()">Get Test</button>
    <br/>
    <button onclick="post()">Post</button>
    <br/>
    <button onclick="put()">Put</button>
 </body>
 <script>
    const url = "http://localhost:8080/api";
    const out = document.getElementById("out");
    const name = document.getElementById("name");
    const get = async () => {
        const res = await fetch(`${url}?name=${name.value}`);
        const text = await res.text();
        out.innerText = text;
    }
    const getTest = async () => {
        const res = await fetch(`${url}/test`);
        const text = await res.text();
        out.innerText = text;
    }
    const post = async () => {
        if (!name.value) {
            alert("Name is required");
            return;
        }
        const res = await fetch(url, {
            method: 'post', 
            headers: {'Content-Type': 'application/json'}, 
            body: name.value
        });
        const text = await res.text();
        out.innerText = text;
    }
    const put = async () => {
        if (!name.value) {
            alert("Name is required");
            return;
        }
        const res = await fetch(`${url}/${name.value}`, {
            method: 'put', 
            headers: {'Content-Type': 'application/json'}, 
            body: name.value
        });
        const text = await res.text();
        out.innerText = text;
    }
 </script>
 </html>
--- a/demo/src/main/java/com/example/demo/ApiController.java
+++ b/demo/src/main/java/com/example/demo/ApiController.java
@ -0,0 +1,61 @@
 package com.example.demo;
 import java.util.ArrayList;
 import java.util.List;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping("/api/message")
 public class ApiController {
    private final Logger log = LoggerFactory.getLogger(ApiController.class);
    // Список сообщений
    private List<MessageDto> messages = new ArrayList<>();
    // Получить список сообщений
    @GetMapping
    public List<MessageDto> getMessages() {
        log.info("Get list of messages: {}", messages.size());
        return messages;
    }
    // Получить сообщение по id
    @GetMapping("/{id}")
    public MessageDto getMessage(@PathVariable(name = "id") int id) {
        log.info("Get message: {}", id);
        return messages.get(id);
    }
    // Добавить сообщение
    @PostMapping
    public MessageDto postMessage(@RequestBody MessageDto message) {
        log.info("Add message: {}", message);
        messages.add(message);
        return message;
    }
    // Изменить сообщение по id
    @PutMapping("/{id}")
    public MessageDto putMessage(@PathVariable(name = "id") int id, @RequestBody MessageDto message) {
        log.info("Update message {} with new message {}", id, message);
        messages.set(id, message);
        return message;
    }
    // Удалить сообщение по id
    @DeleteMapping("/{id}")
    public MessageDto deleteMessage(@PathVariable(name = "id") int id) {
        log.info("Delete message: {}", id);
        return messages.remove(id);
    }
 }
--- a/demo/src/main/java/com/example/demo/MessageDto.java
+++ b/demo/src/main/java/com/example/demo/MessageDto.java
@ -0,0 +1,43 @@
 package com.example.demo;
 import java.util.Date;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
 public class MessageDto {
    private String name;
    private String email;
    private String text;
    private Date date;
    public MessageDto() { }
    @JsonCreator
    public MessageDto(
            @JsonProperty(value = "name") String name,
            @JsonProperty(value = "email") String email,
            @JsonProperty(value = "text") String text,
            @JsonProperty(value = "date") Date date) {
        this.name = name;
        this.email = email;
        this.text = text;
        this.date = date;
    }
    public String getName() {
        return name;
    }
    public String getEmail() {
        return email;
    }
    public String getText() {
        return text;
    }
    public Date getDate() {
        return date;
    }
 }
--- a/demo/src/main/java/com/example/demo/WebConfig.java
+++ b/demo/src/main/java/com/example/demo/WebConfig.java
@ -0,0 +1,15 @@
 package com.example.demo;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.lang.NonNull;
 import org.springframework.web.servlet.config.annotation.CorsRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
 public class WebConfig implements WebMvcConfigurer {
    @Override
    public void addCorsMappings(@NonNull CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedMethods("GET", "POST", "PUT", "DELETE");
    }
 }