support direct scheme on rpc resolver

rpcx/internal/target.go

@@ -0,0 +1,17 @@
+package internal
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/tal-tech/go-zero/rpcx/internal/resolver"
+)
+
+func BuildDirectTarget(endpoints []string) string {
+	return fmt.Sprintf("%s:///%s", resolver.DirectScheme, strings.Join(endpoints, resolver.EndpointSep))
+}
+
+func BuildDiscovTarget(endpoints []string, key string) string {
+	return fmt.Sprintf("%s://%s/%s", resolver.DiscovScheme,
+		strings.Join(endpoints, resolver.EndpointSep), key)
+}