Go language query MySQL database

This is a creation in Article, where the information may have evolved or changed.

Package Dalimport (     "Encoding/json"      "StrConv"       "Strings"      "Github.com/astaxie/beego/orm"     _ "github.com/ Go-sql-driver/mysql ") type Automethod struct {    actionid int ' orm:" Pk;auto;column (ActionId) "'         actionname string ' orm: ' Size (actionname) '     actionarg String ' orm: ' size (+); column (Actionarg) "'     actiontype int ' orm:" size (one); column ( ActionType) "'     methodrunname string ' orm:" size (n); column (Methodrunname) "'      assemblyid int ' orm: "size (one); column (Assemblyid)" '     classname string ' orm: "Siz The column (ClassName) "'     subactionid int ' orm:" size (one); column (Subactionid) "'      actionruntime string ' orm: ' Size, column (actionruntime) '}func init () {    orm. Registermodelwithprefix ("", New (Automethod))     orm. Registerdriver ("MySQL", Orm.) Drmysql)     orm. RegisterDatabase ("Default", "MySQL", "root:123456@tcp (10.101.42.64:3306)/mytest?charset=utf8")}func Printactionjson () interface{} {    o: = orm. Neworm ()     o.using ("MyTest")     var Actioninfos []*automethod     sel: = o.querytable ("Automethod")     count, err: = sel. All (&actioninfos)     if err! = Nil {        return "Number of Bars" + string (count) + Err. Error ()     }    //json convert     jsondata, err: = json. Marshal (Actioninfos)     if err! = Nil {        return Err. Error ()     }    newdata: = Make ([]automethod, Len (actioninFOS))     json. Unmarshal (Jsondata, &newdata)     return string (jsondata)}func Printactionmodel () interface {} {    o: = orm. Neworm ()     o.using ("MyTest")     var Actioninfos []*automethod     sel: = o.querytable ("Automethod")     count, err: = sel. All (&actioninfos)     if err! = Nil {        return "Number of Bars" + string (count) + Err. Error ()     }    //json convert     jsondata, err: = json. Marshal (Actioninfos)     if err! = Nil {        return Err. Error ()     }    newdata: = Make ([]automethod, Len (Actioninfos))      json. Unmarshal (Jsondata, &newdata)     return actioninfos}func PrintActionIdAndName () INTERFACe{} {    o: = orm. Neworm ()     o.using ("MyTest")     var actionids []int     var actionnames []string    raw: = O.raw ("Select Actionid,actionname from Automethod")     num, err: = Raw. QueryRows (&actionids, &actionnames)     var rowsdata = make ([]string, num, +)      if Err = = Nil {        for I: = Int64 (0); i < num; i++ {&nbsp ;            rowsdata[i] = StrConv. Itoa (Actionids[i]) + actionnames[i]        }         return strings. Join (Rowsdata, ",")     }    return err. Error ()}