40 lines
848 B
Go
40 lines
848 B
Go
// Filename: internal/middleware/request_id.go
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package middleware
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import (
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"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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)
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// RequestIDMiddleware 请求 ID 追踪中间件
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func RequestIDMiddleware() gin.HandlerFunc {
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return func(c *gin.Context) {
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// 1. 尝试从 Header 获取现有的 Request ID
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requestID := c.GetHeader("X-Request-Id")
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// 2. 如果没有，生成新的
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if requestID == "" {
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requestID = uuid.New().String()
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}
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// 3. 设置到 Context
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c.Set("request_id", requestID)
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// 4. 返回给客户端（用于追踪）
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c.Writer.Header().Set("X-Request-Id", requestID)
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c.Next()
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}
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}
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// GetRequestID 获取当前请求的 Request ID
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func GetRequestID(c *gin.Context) string {
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if id, exists := c.Get("request_id"); exists {
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if requestID, ok := id.(string); ok {
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return requestID
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}
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}
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return ""
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}
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