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");
+    }
+}