first lab

This commit is contained in:
MaxKarme 2023-02-18 19:01:28 +03:00
parent 84fe023dd3
commit 45e76b4869
6 changed files with 435 additions and 3 deletions

42
frontend/index.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="./node_modules/bootstrap/dist/css/bootstrap.min.css">
<title>Document</title>
</head>
<body>
<form class="" id="form">
<h2>Калькулятор</h2>
<div class="container row">
<div class="form-group col-3">
<label for="formGroupExampleInput">X</label>
<input name="x" type="number" class="form-control col-3" placeholder="Первый аргумент">
</div>
<div class="form-group col-3">
<label for="formGroupExampleInput">Оператор</label>
<select name="selected" id="inputState" class="form-control">
<option selected>+</option>
<option>-</option>
<option>*</option>
<option>**</option>
<option>/</option>
</select>
</div>
<div class="form-group col-3">
<label for="formGroupExampleInput2">Y</label>
<input name="y" type="number" class="form-control col-3" placeholder="Второй аргумент">
</div>
</div>
<button type="submit" class="btn btn-primary m-3">Посчитать</button>
</form>
<h2 class="text" id="res"></h2>
<script src="./node_modules/bootstrap/dist/js/bootstrap.min.js"></script>
<script src="../js/script.js"></script>
</body>
</html>

44
frontend/js/script.js Normal file
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let form = document.getElementById("form");
let info = document.getElementById("res");
form.onsubmit = async (e) => {
e.preventDefault();
if(form.x.value === "") return;
if(form.y.value === "") return;
let index = form.selected.selectedIndex;
let op = form.selected.options[index].textContent;
let res = "";
switch(op) {
case "+":
res = await fetch(`http://localhost:8080/sum?x=${form.x.value}&y=${form.y.value}`)
res = await res.text();
break;
case "-":
res = await fetch(`http://localhost:8080/diff?x=${form.x.value}&y=${form.y.value}`)
res = await res.text();
break;
case "*":
res = await fetch(`http://localhost:8080/multiply?x=${form.x.value}&y=${form.y.value}`)
res = await res.text();
break;
case "**":
res = await fetch(`http://localhost:8080/degree?x=${form.x.value}&y=${form.y.value}`)
res = await res.text();
break;
case "/":
if(form.y.value == 0) return;
res = await fetch(`http://localhost:8080/divide?x=${form.x.value}&y=${form.y.value}`)
res = await res.text();
break;
}
info.textContent = res;
}

290
frontend/package-lock.json generated Normal file
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{
"name": "frontend",
"version": "1.0.0",
"lockfileVersion": 1,
"requires": true,
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15
frontend/package.json Normal file
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@ -0,0 +1,15 @@
{
"name": "frontend",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"start": "http-server -p 3000 -c-1 -o ./"
},
"author": "",
"license": "ISC",
"dependencies": {
"bootstrap": "^5.2.3",
"http-server": "^14.1.1"
}
}

View File

@ -3,8 +3,11 @@ package ru.ip.labs.labs;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletResponse;
@SpringBootApplication
@RestController
public class LabsApplication {
@ -12,9 +15,34 @@ public class LabsApplication {
public static void main(String[] args) {
SpringApplication.run(LabsApplication.class, args);
}
int getDegree(int x, int y) {
if(y == 1) return x;
@GetMapping("/hello")
public String hello() {
return "Hello, world";
int res = getDegree(x, y / 2);
res *= res;
if(y % 2 != 0) res *= x;
return res;
}
@GetMapping("/sum")
public int sum(@RequestParam int x, @RequestParam int y) {
return x + y;
}
@GetMapping("/diff")
public int diff(@RequestParam int x, @RequestParam int y) {
return x - y;
}
@GetMapping("/multiply")
public double multiply(@RequestParam double x, @RequestParam double y) {
return x * y;
}
@GetMapping("/divide")
public double divide(@RequestParam double x, @RequestParam double y) {
return x / y;
}
@GetMapping("/degree")
public int degree(@RequestParam int x, @RequestParam int y) {
return getDegree(x, y);
}
}

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@ -0,0 +1,13 @@
package ru.ip.labs.labs;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@Configuration
public class WebConfiguration implements WebMvcConfigurer {
@Override
public void addCorsMappings(CorsRegistry registry) {
registry.addMapping("/**").allowedMethods("*");
}
}