improving gdb.Model/gmap

.example/database/gdb/mysql/gdb_value.go

@@ -1,8 +1,6 @@
 package main
 
 import (
-	"fmt"
-
 	"github.com/gogf/gf/frame/g"
 )
 
@@ -10,11 +8,20 @@ func main() {
 	db := g.DB()
 	db.SetDebug(true)
 
-	r, e := db.Table("test").Where("id IN (?)", []interface{}{1, 2}).All()
+	//type User struct {
+	//	Uid  int
+	//	Name *gvar.Var
+	//}
+
+	//user := new(User)
+	////user.Name = g.NewVar("john")
+	//g.Dump(gconv.Map(user))
+
+	_, e := db.Table("test").Data(g.Map{
+		"name": nil,
+	}).Update()
 	if e != nil {
 		panic(e)
 	}
-	if r != nil {
-		fmt.Println(r.ToList())
-	}
+
 }