初学 go,请问这是闭包的高阶函数吗? - V2EX
V2EX = way to explore
V2EX 是一个关于分享和探索的地方
现在注册
已注册用户请  登录
The Go Programming Language
http://golang.org/
Go Playground
Go Projects
Revel Web Framework
U87
V2EX    Go 编程语言

初学 go,请问这是闭包的高阶函数吗?

  •  
  •   U87 2022-10-18 17:39:21 +08:00 2529 次点击
    这是一个创建于 1089 天前的主题,其中的信息可能已经有所发展或是发生改变。
    func (apiService *ApiService) DeleteApisByIds(ids request.IdsReq) (err error) {
    var apis []system.SysApi
    err = global.GVA_DB.Find(&apis, "id in ?", ids.Ids).Delete(&apis).Error
    if err != nil {
    return err
    } else {
    for _, sysApi := range apis {
    success := CasbinServiceApp.ClearCasbin(1, sysApi.Path, sysApi.Method)
    if !success {
    return errors.New(sysApi.Path + ":" + sysApi.Method + "casbin 同步清理失败")
    }
    }
    e := CasbinServiceApp.Casbin()
    err = e.InvalidateCache()
    if err != nil {
    return err
    }
    }
    return err
    }
    咋看别人的例子都是 DeleteApisByIds 应该在匿名函数前面呢
    6 条回复    2022-10-19 11:06:20 +08:00
    wangnimabenma
        1
    wangnimabenma  
       2022-10-18 18:25:28 +08:00
    ```go
    func (apiService *ApiService) DeleteApisByIds(ids request.IdsReq) (err error) {
    var apis []system.SysApi
    err = global.GVA_DB.Find(&apis, "id in ?", ids.Ids).Delete(&apis).Error
    if err != nil {
    return err
    } else {
    for _, sysApi := range apis {
    success := CasbinServiceApp.ClearCasbin(1, sysApi.Path, sysApi.Method)
    if !success {
    return errors.New(sysApi.Path + ":" + sysApi.Method + "casbin 同步清理失败")
    }
    }
    e := CasbinServiceApp.Casbin()
    err = e.InvalidateCache()
    if err != nil {
    return err
    }
    }
    return err
    }
    ```
    U87
        2
    U87  
    OP
       2022-10-18 18:31:26 +08:00
    @wangnimabenma 请问 func 是匿名函数, DeleteApisByIds 又是个函数,这是什么写法呢?
    dilu
        3
    dilu  
       2022-10-18 19:10:17 +08:00
    func 是声明函数,不是声明匿名函数....
    beixiao
        4
    beixiao  
       2022-10-18 19:19:01 +08:00 via iPhone
    https://go.dev/tour/methods/4
    这叫指针接收者方法,建议 op 先把基础大概过一遍
    U87
        5
    U87  
    OP
       2022-10-19 10:09:30 +08:00
    @beixiao 好的谢谢,我先过遍基础,别的语言转过来的,有点自大了,直接撸项目。。
    KaynW
        6
    KaynW  
       2022-10-19 11:06:20 +08:00
    你这不是初学了, 你这是没学啊
    关于     帮助文档     自助推广系统     博客     API     FAQ     Solana     2676 人在线   最高记录 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 42ms UTC 02:18 PVG 10:18 LAX 19:18 JFK 22:18
    Do have faith in what you're doing.
    ubao snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86