43 lines
1.0 KiB
Go
43 lines
1.0 KiB
Go
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package middleware
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import (
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"log"
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"net/http"
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"runtime/debug"
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)
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// Recovery 中间件 - 恢复 panic
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func Recovery(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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defer func() {
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if err := recover(); err != nil {
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log.Printf("panic recovered: %v\n%s", err, debug.Stack())
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http.Error(w, "internal server error", http.StatusInternalServerError)
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}
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}()
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next.ServeHTTP(w, r)
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})
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}
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// Logging 中间件 - 请求日志
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func Logging(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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log.Printf("%s %s", r.Method, r.URL.Path)
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next.ServeHTTP(w, r)
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})
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}
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// RequestID 中间件 - 请求追踪
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func RequestID(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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requestID := r.Header.Get("X-Request-Id")
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if requestID == "" {
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requestID = r.Header.Get("X-Request-ID")
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}
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if requestID != "" {
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w.Header().Set("X-Request-Id", requestID)
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}
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next.ServeHTTP(w, r)
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})
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}
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