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sub2api/backend/internal/server/middleware/request_body_limit.go

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package middleware
import (
"net/http"
"github.com/gin-gonic/gin"
)
// RequestBodyLimit 使用 MaxBytesReader 限制请求体大小。
func RequestBodyLimit(maxBytes int64) gin.HandlerFunc {
return func(c *gin.Context) {
c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, maxBytes)
c.Next()
}
}