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# 获取网页内容
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curl https://example.com
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# 下载文件
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curl -O https://example.com/file.zip
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# 下载并重命名文件
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curl -o newname.zip https://example.com/file.zip
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# 显示详细信息
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curl -v https://example.com
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# 断点续传
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curl -C - -o file.zip https://example.com/file.zip
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# 限制下载速度
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curl --limit-rate 100K https://example.com/file.zip

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# 发送 POST 请求
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curl -X POST -d "param1=value1&param2=value2" https://example.com/api
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# 发送 JSON 数据
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curl -X POST -H "Content-Type: application/json" -d '{"key":"value"}' https://example.com/api
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# 设置请求头
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curl -H "Authorization: Bearer token" https://api.example.com/data
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# 跟随重定向
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curl -L https://example.com/redirect
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# 保存 cookie
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curl -c cookies.txt https://example.com
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# 使用 cookie
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curl -b cookies.txt https://example.com
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# 设置超时时间
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curl --connect-timeout 10 --max-time 30 https://example.com

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# 检查 API 响应
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curl -s https://api.example.com/health
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# 测试 HTTP 状态码
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curl -s -o /dev/null -w "%{http_code}" https://example.com
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# 上传文件
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curl -X POST -F "file=@/path/to/file" https://example.com/upload
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# 下载 GitHub Release
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curl -L -o app.tar.gz https://github.com/user/repo/releases/latest/download/app.tar.gz
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# 测试网站响应时间
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curl -w "@curl-format.txt" -o /dev/null -s https://example.com
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# 获取响应头信息
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curl -I https://example.com
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# 忽略证书错误
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curl -k https://self-signed.badssl.com