如何将 JSON 数组转换为对象

Question

我有以下 json

{"data":{"0":{"0":"1","1":"Test1","2":"Test2","DT_RowId":"row_1"}}}

我想删除外层索引

我想要如下

{"data":[{"0":"1","1":"Test1","2":"Test2","DT_RowId":"row_1"}]}

这应该在 Go 中完成。

Answer 1

你必须做这样的事情：package mainimport (    "encoding/json"    "fmt")func main() {    data1 := make(map[string]map[string]interface{})    s1 := `{"data":{"0":{"0":"1","1":"Test1","2":"Test2","DT_RowId":"row_1"}}}`    err := json.Unmarshal([]byte(s1), &data1)    if err != nil {        // check error    }    data2 := make(map[string][]interface{})    data2["data"] = []interface{}{data1["data"]["0"]}    s2, err := json.Marshal(data2)    if err != nil {        // check error    }    fmt.Printf("%s\n", s2)    // result will be:    // {"data":[{"0":"1","1":"Test1","2":"Test2","DT_RowId":"row_1"}]}}你可以在操场上检查一下。并且不要忘记在使用之前检查数据，例如：// instead of:data2["data"] = []interface{}{data1["data"]["0"]}// you must have something like:val1, ok := data1["data"]if !ok { ... }// andval2, ok := val1["0"]if !ok { ... }