gorange

数组中简单使用

package main

import "fmt"

func main() {

    var arr[] int = []int{1,3,5}

    for index,value := range arr {
        fmt.Println("索引：",index,"，索引值",value)
    }
}

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map中简单使用

package main

import "fmt"

func main() {

    cities := map[string] string {
        "sz": "深圳",
        "gz": "广州",
    }


    for k,v := range cities {
        fmt.Println("键，",k, "值，",v)
    }
}

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