Files
jiang13-bbs/frontend/components/Avatar.tsx
freefire 40bbad2c82 公开页补齐自引用 Canonical 与按类型的结构化数据,图片补上说明文字。
后台设置和内容编辑改成可导航布局;部署用访客 origin 生成 Canonical,避免落到容器地址。

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-09-20 00:11:24 +08:00

51 lines
1.4 KiB
TypeScript
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"use client";
import { useEffect, useState } from "react";
// 柔和多色头像:按用户名确定性取色,圆形软底,浅/暗主题在 globals.css 各自配色
function hash(s: string) {
let h = 0;
for (let i = 0; i < s.length; i++) h = (h * 31 + s.charCodeAt(i)) >>> 0;
return h;
}
export default function Avatar({
name,
size = 36,
src,
className = "",
}: {
name: string;
size?: number;
src?: string | null;
className?: string;
}) {
const idx = hash(name || "?") % 8;
const initial = (name || "?").trim().charAt(0).toUpperCase();
// 图片 404(如附件已被彻底删除)时回退到字母头像,不显示裂图
const [imgFailed, setImgFailed] = useState(false);
// 切换到新的图片地址时重置失败状态
useEffect(() => setImgFailed(false), [src]);
const showImg = !!src && !imgFailed;
return (
<span
className={`inline-flex items-center justify-center shrink-0 select-none font-bold rounded-full overflow-hidden av-${idx} ${className}`}
style={{ width: size, height: size, fontSize: size * 0.42 }}
aria-hidden="true"
>
{showImg ? (
// eslint-disable-next-line @next/next/no-img-element
<img
src={src}
alt={name.trim() || "用户头像"}
className="w-full h-full object-cover"
onError={() => setImgFailed(true)}
/>
) : (
initial
)}
</span>
);
}