js留言

document.getElementById('submit-btn').addEventListener('click', function() {
    fetch('/submit-message', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({
            message: document.getElementById('message-input').value
        })
    }).then(response => {
        if (!response.ok) {
            throw new Error('Network response was not ok');
        }
        return response.json();
    }).then(data => {
        console.log('Success:', data);
    }).catch(error => {
        console.error('Error:', error);
    });
});

CREATE DATABASE mydb CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

function escapeHtml(unsafe) {
    return unsafe
         .replace(/&/g, "&")
         .replace(/</g, "&lt;")
         .replace(/>/g, "&gt;")
         .replace(/"/g, "&quot;")
         .replace(/'/g, "&#039;");
}

document.getElementById('submit-btn').addEventListener('click', function() {
    const message = escapeHtml(document.getElementById('message-input').value);
    // 继续处理提交逻辑
});