该代码将起作用
package mainimport ( "bytes" "encoding/json" "fmt" "log" "strings")type Item struct { Id int `json:"id"` Category string `json:"category"` Name string `json:"name"` Description string `json:"description"`}type Items []Itemvar myJson = []byte(`[{ "id":1, "category":"fruits", "name":"Apple", "description":"Apple is my favorite fruit."},{ "id":2, "category":"colors", "name":"Red", "description":"Red color is always charming."},{ "id":3, "category":"flowers", "name":"Lotus", "description":"It is one of the most beautiful flowers in this world."}]`)func main() { var items Items err := json.Unmarshal(myJson, &items) if err != nil { log.Fatal(err) } s, err := getMyString(items) if err != nil { log.Fatal(err) } fmt.Println(s)}func getMyString(items Items) (string, error) { var buffer bytes.Buffer var err error var b []byte for _, item := range items { b, err = json.Marshal(item) if err != nil { return "", err } buffer.WriteString(string(b) + " ") } s := strings.TrimSpace(buffer.String()) return s, nil}
