代码片段仓库

🔥             

package com.example;

import org.springframework.web.bind.annotation.*;

@RestController
@crossOrigin()
class GreetingController {

    @GetMapping("/greeting")
    public String greeting() {
        return "Hello, World!";
    }
}

const canvas = document.getElementById('myCanvas');
const ctx = canvas.getContext('2d');

// Draw rectangle
ctx.fillStyle = '#FF0000';
ctx.fillRect(10, 10, 150, 80);

// Draw circle
ctx.beginPath();
ctx.arc(250, 100, 50, 0, 2 * Math.PI);
ctx.fillStyle = '#0000FF';
ctx.fill();

// Draw text
ctx.font = '30px Arial';
ctx.fillStyle = '#000000';
ctx.fillText('Happy Coding', 150, 200);

🔥             

from flask import Flask

app = Flask(__name__)

@app.route('/')
def home():
    return 'Hello, World!'

if __name__ == '__main__':
    app.run(debug=True)

from flask import Flask, jsonify, request
app = Flask(__name__)

books = [{'id': 1, 'title': 'Python For Beginners'}]

@app.route('/books', methods=['GET'])
def get_books():
    return jsonify({'books': books})

@app.route('/books/<int:book_id>', methods=['GET'])
def get_book(book_id):
    book = next((item for item in books if item['id'] == book_id), None)
    if book is None:
        return jsonify({'error': 'Not found'}), 404
    return jsonify(book)

if __name__ == '__main__':
    app.run(debug=True)