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lucacervasio/decode_json_map_interface.go

Created August 8, 2015 14:11
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  1. lucacervasio created this gist Aug 8, 2015.
    35 changes: 35 additions & 0 deletions decode_json_map_interface.go
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,35 @@
    package main

    import (
    "encoding/json"
    "fmt"
    )

    type mydata struct {
    First string `json:first`
    Second float32 `json:second`
    Third map[string]string `json:third`
    }

    func main() {
    b := []byte(`{
    "k1" : "v1",
    "k3" : 10,
    "result":{"first": "v4","second": 12.3,"third": {"k11" : "v11", "k22" : "v22"}}
    }`)

    var objmap map[string]*json.RawMessage
    err := json.Unmarshal(b, &objmap)
    if err != nil {
    fmt.Println(err)
    }
    fmt.Println(objmap)

    var dat mydata
    err = json.Unmarshal(*objmap["result"], &dat)
    if err != nil {
    fmt.Println(err)
    }
    fmt.Println(dat)
    fmt.Println(dat.Third["k22"])
    }