Web前端禁止缓存#

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http {
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    # 让 Nginx 不再自动计算 Expires / Cache-Control
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    expires off;
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    server {
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        listen 80;
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        server_name example.com;
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        root  /data/www;
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        index index.html;
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        # ---------- 核心：彻底禁止缓存 ----------
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        # 所有响应（包含 4xx/5xx）都加上禁止缓存的头
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        add_header Cache-Control "no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0, s-maxage=0" always;
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        add_header Pragma        "no-cache" always;
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        add_header Expires       "0"       always;
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        # 关闭基于时间/ETag 的条件缓存
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        if_modified_since off;
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        etag off;
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        # ------------------------------------
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        location / {
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            try_files $uri $uri/ /index.html;
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        }
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    }
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}

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<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
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<meta http-equiv="Pragma" content="no-cache" />
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<meta http-equiv="Expires" content="0" />