1 {
 2   "stars": [
 3     {
 4       "name": "Faye",
 5       "address": "北京"
 6     },
 7     {
 8       "name": "andy",
 9       "address": "香港"
10     },
11     {
12       "name": "eddie",
13       "address": " 台@@湾 "
14     },
15     
16   ]
17 }

 1 #include<stdio.h>
 2 #include<stdlib.h>
 3 #include"cJSON.h"
 4 
 5 int main(void)
 6 {
 7     char *data = "{\"love\":[\"LOL\",\"Go shopping\"]}";
 8     //从缓冲区中解析出JSON结构
 9     cJSON * json= cJSON_Parse(data);
10     
11     //将传入的JSON结构转化为字符串 并打印
12     char *json_data = NULL;
13     printf("data:%s\n",json_data = cJSON_Print(json));
14     
15     free(json_data);
16     //将JSON结构所占用的数据空间释放
17     cJSON_Delete(json);
18     return 0;
19 }

 1 #include<stdio.h>
 2 #include<stdlib.h>
 3 #include<string.h>
 4 #include"cJSON.h"
 5 
 6 int main(void)
 7 {
 8     char *char_json = "{\"habit\":\"lol\"}";
 9     //从缓冲区中解析出JSON结构
10     cJSON *json = cJSON_Parse(char_json);
11     //将传入的JSON结构转化为字符串 并打印
12     char *buf = NULL;
13     printf("data:%s\n",buf = cJSON_Print(json));
14     //打开一个exec.json文件，并写入json内容
15     FILE *fp = fopen("exec.json","w");
16     fwrite(buf,strlen(buf),1,fp);
17     
18     fclose(fp);
19     free(buf);
20     cJSON_Delete(json);
21     return 0;
22 }

 1 #include<stdio.h>
 2 #include<stdlib.h>
 3 #include<string.h>
 4 #include"cJSON.h"
 5 
 6 int main(void)
 7 {
 8     //创建一个空的文档（对象）
 9     cJSON *json = cJSON_CreateObject();
10     
11     //向文档中增加一个键值对{"name":"王大锤"}
12     cJSON_AddItemToObject(json,"name",cJSON_CreateString("王大锤"));
13     //向文档中添加一个键值对
14     //cJSON_AddItemToObject(json,"age",cJSON_CreateNumber(29));
15     cJSON_AddNumberToObject(json,"age",29);
16     
17     cJSON *array = NULL;
18     cJSON_AddItemToObject(json,"love",array=cJSON_CreateArray());
19     cJSON_AddItemToArray(array,cJSON_CreateString("LOL"));
20     cJSON_AddItemToArray(array,cJSON_CreateString("NBA"));
21     cJSON_AddItemToArray(array,cJSON_CreateString("Go shopping"));
22     
23     cJSON_AddNumberToObject(json,"score",59);
24     cJSON_AddStringToObject(json,"address","beijing");
25     
26     //将json结构格式化到缓冲区
27     char *buf = cJSON_Print(json);
28     //打开文件写入json内容
29     FILE *fp = fopen("create.json","w");
30     fwrite(buf,strlen(buf),1,fp);
31     free(buf);
32     fclose(fp);
33     //释放json结构所占用的内存
34     cJSON_Delete(json);
35     return 0;
36 }

 1 #include<stdio.h>
 2 #include<string.h>
 3 #include<stdlib.h>
 4 #include"cJSON.h"
 5 
 6 int main(void)
 7 {
 8     //先创建空对象
 9     cJSON *json = cJSON_CreateObject();
10     //在对象上添加键值对
11     cJSON_AddStringToObject(json,"country","china");
12     //添加数组
13     cJSON *array = NULL;
14     cJSON_AddItemToObject(json,"stars",array=cJSON_CreateArray());
15     //在数组上添加对象
16     cJSON *obj = NULL;
17     cJSON_AddItemToArray(array,obj=cJSON_CreateObject());
18     cJSON_AddItemToObject(obj,"name",cJSON_CreateString("Faye"));
19     cJSON_AddStringToObject(obj,"address","beijing");
20     //在对象上添加键值对
21     cJSON_AddItemToArray(array,obj=cJSON_CreateObject());
22     cJSON_AddItemToObject(obj,"name",cJSON_CreateString("andy"));
23     cJSON_AddItemToObject(obj,"address",cJSON_CreateString("HK"));
24     
25     cJSON_AddItemToArray(array,obj=cJSON_CreateObject());
26     cJSON_AddStringToObject(obj,"name","eddie");
27     cJSON_AddStringToObject(obj,"address","TaiWan");
28     
29     //清理工作
30     FILE *fp = fopen("create.json","w");
31     char *buf = cJSON_Print(json);
32     fwrite(buf,strlen(buf),1,fp);
33     fclose(fp);
34     cJSON_Delete(json);
35     return 0;
36 }