添加查询键是否存在方法

go.mod

@@ -3,7 +3,7 @@ module git.tetele.net/tgo/redisrpc
 go 1.14
 
 require (
-	git.tetele.net/tgo/conf v0.25.0 // indirect
-	github.com/chai2010/protorpc v1.0.0 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
+	git.tetele.net/tgo/conf v0.25.0
+	github.com/chai2010/protorpc v1.0.0
+	github.com/golang/protobuf v1.5.2
 )

hash.go

@@ -113,3 +113,27 @@ func HGetAll(key string, url ...string) ([]map[string]string, error) {
 	}
 	return list, nil
 }
+
+/**
+ * hash键是否存在
+ */
+func HExists(key string, field string, url ...string)(int64,error){
+	conn, _, err := Conn(url...)
+
+	if err != nil {
+		return 0, err
+	}
+	defer conn.Close()
+
+	req := &HGetRequest{proto.String(key), proto.String(field), nil}
+
+	res := &DelResponse{}
+
+	err = conn.HExists(req, res)
+
+	if err != nil {
+		return 0, err
+	}
+
+	return res.GetRet(), nil
+}

string.go

@@ -74,3 +74,24 @@ func Del(key string, url ...string) (int64, error) {
 
 	return res.GetRet(), nil
 }
+
+func Exists(key string, url ...string)(int64, error){
+	conn, _, err := Conn(url...)
+
+	if err != nil {
+		return 0, err
+	}
+	defer conn.Close()
+
+	req := &GetRequest{proto.String(key), nil}
+
+	res := &DelResponse{}
+
+	err = conn.Exists(req, res)
+
+	if err != nil {
+		return 0, err
+	}
+
+	return res.GetRet(), nil
+}