go语言查询mysql数据库

package dal

import (
    "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(150);column(ActionName)"`
    ActionArg     string `orm:"size(2000);column(ActionArg)"`
    ActionType    int    `orm:"size(11);column(ActionType)"`
    MethodRunName string `orm:"size(150);column(MethodRunName)"`
    AssemblyId    int    `orm:"size(11);column(AssemblyId)"`
    ClassName     string `orm:"size(150);column(ClassName)"`
    SubActionId   int    `orm:"size(11);column(SubActionId)"`
    ActionRuntime string `orm:"size(150);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 "条数" + string(count) + err.Error()
    }
    //json转换
    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 "条数" + string(count) + err.Error()
    }
    //json转换
    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, 100)
    if err == nil {
        for i := int64(0); i < num; i++ {
            rowsData[i] = strconv.Itoa(actionIds[i]) + actionNames[i]
        }
        return strings.Join(rowsData, ",")
    }
    return err.Error()
}

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