first commit

service/backend/dao/dao.go

@@ -0,0 +1,31 @@
+package dao
+
+import (
+	"fmt"
+	"github.com/inconshreveable/log15"
+	"gitlab.33.cn/chat/dtalk/pkg/mysql"
+	"gitlab.33.cn/chat/dtalk/service/backend/config"
+)
+
+type Dao struct {
+	log  log15.Logger
+	conn *mysql.MysqlConn
+}
+
+func New(c *config.Config) *Dao {
+	d := &Dao{
+		log:  log15.New("module", "backend/dao"),
+		conn: newDB(c.MySQL),
+	}
+	return d
+}
+
+func newDB(cfg *config.MySQL) *mysql.MysqlConn {
+	c, err := mysql.NewMysqlConn(cfg.Host, fmt.Sprintf("%v", cfg.Port),
+		cfg.User, cfg.Pwd, cfg.Db, "UTF8MB4")
+	if err != nil {
+		log15.Error("mysql init failed", "err", err)
+		panic(err)
+	}
+	return c
+}