golang map的遍历

遍历key

package mainimport (        "fmt")func main() {        var mymap map[string]string        mymap = map[string]string{"1a": "Very", "2b": "good", "3c": "day"}        for one := range mymap {                fmt.Println(one)        }}

output:

1a
2b
3c

遍历value

package mainimport (        "fmt")func main() {        var mymap map[string]string        mymap = map[string]string{"1a": "Very", "2b": "good", "3c": "day"}        for _,value := range mymap {                fmt.Println(value)        }}

output:

Very
good
day

遍历key-value

package mainimport (        "fmt")func main() {        var mymap map[string]string        mymap = map[string]string{"1a": "Very", "2b": "good", "3c": "day"}        for key,value := range mymap {                fmt.Println(key,":",value)        }}

output:

3c : day
1a : Very
2b : good