typedef struct cJSON {

     struct cJSON *next,*prev;    // 数组 对象数据中用到

     struct cJSON *child;        // 数组 和对象中指向子数组对象或值

     int type;            // 元素的类型，如是对象还是数组

     char *valuestring;            // 如果是字符串

     int valueint;                // 如果是数值

     double valuedouble;            // 如果类型是cJSON_Number

     char *string;                // The item's name string, if this item is the child of, or is in the list of subitems of an object.

 } cJSON;

 1 {

 2     "name": "Jack (\"Bee\") Nimble",

 3     "format": {

 4         "type":       "rect",

 5         "width":      1920,

 6         "height":     1080,

 7         "interlace":  false,

 8         "frame rate": 24

 9     }

10 }