xfy 6a6cfcd11c docs(lua): 添加 Lua 配置示例和示例脚本
- lua-example.yaml 展示完整 Lua 中间件配置
- examples/lua-scripts/ 包含 auth.lua、content.lua、log.lua 示例

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-11 14:31:54 +08:00

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Lua

-- log.lua - Log 阶段日志记录示例
-- 此脚本演示如何在 log 阶段记录请求信息
local log_data = {
uri = ngx.var.uri,
method = ngx.req.get_method(),
status = ngx.resp.get_status(),
user_id = ngx.ctx.user_id or "anonymous",
auth_time = ngx.ctx.auth_time or 0,
duration = ngx.now() - ngx.ctx.start_time
}
-- 输出日志信息(实际应用中可写入文件或发送到日志服务)
ngx.log(ngx.INFO, "Request completed: " ..
log_data.method .. " " ..
log_data.uri .. " " ..
"status=" .. log_data.status .. " " ..
"user=" .. log_data.user_id .. " " ..
"duration=" .. log_data.duration .. "s")
-- 记录响应大小
local response_size = #ngx.resp.get_headers()
ngx.log(ngx.INFO, "Response headers count: " .. response_size)