add go simple support

session/ledis/ledis_session.go

@@ -125,10 +125,7 @@ func (lp *Provider) SessionRead(sid string) (session.Store, error) {
 // SessionExist check ledis session exist by sid
 func (lp *Provider) SessionExist(sid string) bool {
 	count, _ := c.Exists([]byte(sid))
-	if count == 0 {
-		return false
-	}
-	return true
+	return !(count == 0)
 }
 
 // SessionRegenerate generate new sid for ledis session

session/memcache/sess_memcache.go

@@ -205,11 +205,7 @@ func (rp *MemProvider) SessionDestroy(sid string) error {
 		}
 	}
 
-	err := client.Delete(sid)
-	if err != nil {
-		return err
-	}
-	return nil
+	return client.Delete(sid)
 }
 
 func (rp *MemProvider) connectInit() error {

session/mysql/sess_mysql.go

@@ -171,10 +171,7 @@ func (mp *Provider) SessionExist(sid string) bool {
 	row := c.QueryRow("select session_data from "+TableName+" where session_key=?", sid)
 	var sessiondata []byte
 	err := row.Scan(&sessiondata)
-	if err == sql.ErrNoRows {
-		return false
-	}
-	return true
+	return !(err == sql.ErrNoRows)
 }
 
 // SessionRegenerate generate new sid for mysql session

session/postgres/sess_postgresql.go

@@ -184,11 +184,7 @@ func (mp *Provider) SessionExist(sid string) bool {
 	row := c.QueryRow("select session_data from session where session_key=$1", sid)
 	var sessiondata []byte
 	err := row.Scan(&sessiondata)
-
-	if err == sql.ErrNoRows {
-		return false
-	}
-	return true
+	return !(err == sql.ErrNoRows)
 }
 
 // SessionRegenerate generate new sid for postgresql session

session/sess_file.go

@@ -163,10 +163,7 @@ func (fp *FileProvider) SessionExist(sid string) bool {
 	defer filepder.lock.Unlock()
 
 	_, err := os.Stat(path.Join(fp.savePath, string(sid[0]), string(sid[1]), sid))
-	if err == nil {
-		return true
-	}
-	return false
+	return err == nil
 }
 
 // SessionDestroy Remove all files in this save path

session/sess_test.go

@@ -115,7 +115,7 @@ func TestParseConfig(t *testing.T) {
 	if cf2.Gclifetime != 3600 {
 		t.Fatal("parseconfig get gclifetime error")
 	}
-	if cf2.EnableSetCookie != false {
+	if cf2.EnableSetCookie {
 		t.Fatal("parseconfig get enableSetCookie error")
 	}
 	cconfig := new(cookieConfig)

session/ssdb/sess_ssdb.go

@@ -26,10 +26,7 @@ func (p *SsdbProvider) connectInit() error {
 		return errors.New("SessionInit First")
 	}
 	p.client, err = ssdb.Connect(p.host, p.port)
-	if err != nil {
-		return err
-	}
-	return nil
+	return err
 }
 
 func (p *SsdbProvider) SessionInit(maxLifetime int64, savePath string) error {
@@ -41,11 +38,7 @@ func (p *SsdbProvider) SessionInit(maxLifetime int64, savePath string) error {
 	if e != nil {
 		return e
 	}
-	err := p.connectInit()
-	if err != nil {
-		return err
-	}
-	return nil
+	return p.connectInit()
 }
 
 func (p *SsdbProvider) SessionRead(sid string) (session.Store, error) {
@@ -126,10 +119,7 @@ func (p *SsdbProvider) SessionDestroy(sid string) error {
 		}
 	}
 	_, err := p.client.Del(sid)
-	if err != nil {
-		return err
-	}
-	return nil
+	return err
 }
 
 func (p *SsdbProvider) SessionGC() {