golang map转json

// map to json

package main



import (
    "encoding/json"
    "fmt"


)


func main() {

    s := []map[string]interface{}{}

    m1 := map[string]interface{}{"name": "John","age": 10}
    m2 := map[string]interface{}{"name": "Alex","age": 12}

    s = append(s,m1,m2)
    s = append(s,m2)

    b,err := json.Marshal(s)
    if err != nil {
        fmt.Println("json.Marshal failed:",err)
        return
    }


    fmt.Println("b:",string(b))

}

output:

b: [{“age”:10,”name”:”John”},{“age”:12,”name”:”Alex”},”name”:”Alex”}]

（编辑：李大同）

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