1// 将 decode 的值转为 int 使用2funcmain(){3vardata=[]byte(`{"status": 200}`)4varresult map[string]interface{}56iferr:=json.Unmarshal(data,&result);err!=nil{7log.Fatalln(err)8}910varstatus=uint64(result["status"].(float64))11fmt.Println("Status value: ",status)12}...
//申明type Map1[KEY int | string, VALUE string | float64] map[KEY]VALUE//实例化:KEY和VALUE要替换成具体的类型。map里面的也要保持一致var MyMap1 Map1[int, string] = map[int]string{ 1: "hello", 2: "small",}//或者这简写MyMap2 := Map1[int, string]{ 1: "hello", 2: "small"...
}// Fields of the User.func(User)Fields() []ent.Field {return[]ent.Field{ field.Int32("id").SchemaType(map[string]string{ dialect.MySQL:"int(10)UNSIGNED",// Override MySQL.}).NonNegative().Unique(), field.String("email").SchemaType(map[string]string{ dialect.MySQL:"varchar(50)",...
service string,mustKeep int)errorRemoveContainer(ctx context.Context,service string)error}// serviceClient provides methods to do operations for services// within a cluster.type servicesClientinterface{Drain(ctx
for k, v := range m { x := struct {k , v string} {k, v} // copy for capturing by the goroutine go func() { // using x.k & x.v }() } 使用buf 缓存 协议编码的时候需要频繁的操作 buf, 可以使用 bytes.Buffer 作为缓存区对象, 它会一次性分配足够大的内存, 避免内存不够的时...
{ Name string } // TeacherObserver 老师观察者 type TeacherObserver struct { BaseObserver } // ParentObserver 家长观察者 type ParentObserver struct { BaseObserver } // notify 老师观察者,实现Observer接口 func (to TeacherObserver) notify(sub Subject) { fmt.Println(to.Name + "老师收到了作业")...
strs :=make([]string,len(self))fori, entry :=rangeself { strs[i] = entry.String() }returnstrings.Join(strs, pathListSeparator) } WildcardEntry(通配符形式) WildcardEntry实际上也是CompositeEntry,所以就不再定义新的类型了。 首先把路径末尾的星号去掉,得到baseDir,然后调用filepath包的Walk()函数...
) // kafka consumer func main() { consumer, err := sarama.NewConsumer([]string{"127.0.0.1:9092"}, nil) if err != nil { fmt.Printf("fail to start consumer, err:%v\n", err) return } partitionList, err := consumer.Partitions("web_log") // 根据topic取到所有的分区 if err !=...
var sj string = list[j] var si_lower = strings.ToLower(si) ...
var m = make(map[string]int) var ch = make(chan string, 10) // TODO 计算链接数量 func count() { for s := range ch { m[s]++ } } func home(w http.ResponseWriter, r *http.Request) { (r.RemoteAddr) // TODO 最后打印的是 remoteAddr ...