function Toast(msg, duration = 3000, backgroundColor = 'rgba(0, 0, 0, 0.7)', textColor = 'rgb(255, 255, 255)', position = 'bottom-right') {
const toast = document.createElement('div');
toast.className = 'toast';
toast.innerHTML = msg;
toast.style.cssText = `
max-width: 80%;
min-width: 150px;
padding: 0 14px;
height: auto;
color: ${textColor};
line-height: 1.5;
text-align: center;
border-radius: 12px;
position: fixed;
z-index: 2147483647;
background: ${backgroundColor};
font-size: 16px;
transition: opacity 0.5s ease-in, transform 0.5s ease-in;
word-wrap: break-word;
`;
// 使用位置参数设置位置样式
const positions = {
'top': 'top: 50%; left: 50%; transform: translate(-50%, 0);',
'bottom': 'bottom: 10%; left: 50%; transform: translate(-50%, 0);',
'left': 'top: 50%; left: 10%; transform: translate(0, -50%);',
'right': 'top: 50%; right: 10%; transform: translate(0, -50%);',
'top-left': 'top: 10%; left: 10%; transform: translate(0, 0);',
'top-right': 'top: 10%; right: 10%; transform: translate(0, 0);',
'bottom-left': 'bottom: 10%; left: 10%; transform: translate(0, 0);',
'bottom-right': 'bottom: 10%; right: 10%; transform: translate(0, 0);',
'center': 'top: 50%; left: 50%; transform: translate(-50%, -50%);',
};
toast.style.cssText += positions[position] || positions['bottom-right'];
document.body.appendChild(toast);
setTimeout(() => {
toast.style.opacity = '0';
setTimeout(() => document.body.removeChild(toast), 500);
}, duration);
// 增加媒体查询来优化移动设备上的样式
const mediaQuery = `
@media only screen and (max-width: 600px) {
.toast {
font-size: 14px;
padding: 10px;
max-width: 90%;
min-width: 0;
}
}
`;
const style = document.createElement('style');
style.textContent = mediaQuery;
document.head.appendChild(style);
}