结构体嵌套 树形结构 json字符串与结构体相互转换

 

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package main   import (     "encoding/json" )   type T struct {     K        int32     V        string     Children []T }   func convert() {     var target T     err := json.Unmarshal([]byte(jsonStr), &target)     if err != nil {         panic(err)     }       bs, err := json.Marshal(jsonStruct)     if err != nil {         panic(err)     }     s := string(bs)     if s != "" {       } }   var jsonStr = ` {     "K": 1,     "V": "v",     "Children": [         {             "K": 11,             "V": "11v",             "Children": [                 {                     "K": 111,                     "V": "111v",                     "Children": []                 },                 {                     "K": 112,                     "V": "112v",                     "Children": [                         {                             "K": 1121,                             "V": "1121v",                             "Children": []                         },                         {                             "K": 1122,                             "V": "1122v",                             "Children": []                         }                     ]                 }             ]         },         {             "K": 12,             "V": "12v",             "Children": []         }     ] } `   var jsonStruct = T{     K: 1,     V: "v",     Children: []T{         {             K: 11,             V: "11v",             Children: []T{                 {                     K:        111,                     V:        "111v",                     Children: []T{},                 },                 {                     K: 112,                     V: "112v",                     Children: []T{                         {                             K:        1121,                             V:        "1121v",                             Children: []T{},                         },                         {                             K:        1122,                             V:        "1122v",                             Children: []T{},                         },                     },                 },             },         },         {             K:        12,             V:        "12v",             Children: []T{},         },     }, }