func getCacheKey(ctx echo.Context) string {
cacheKey := ""
if cacheKeyAlgorithm, ok := CacheKeyAlgorithmMap[ctx.Path()]; ok {
// nil 表示不缓存
if cacheKeyAlgorithm != nil {
cacheKey = cacheKeyAlgorithm.GenCacheKey(ctx)
}
} else {
cacheKey = defaultCacheKeyAlgorithm(ctx)
}
return cacheKey
}