C语言借助cJSON生成和解析json数据

矫情吗；* 2023-10-06 20:14 16阅读 0赞

## 一、下载cJSON ##

下载地址：https://github.com/DaveGamble/cJSON  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA5rGf5bee55uK5b2k_size_20_color_FFFFFF_t_70_g_se_x_16]

## 二、 ##

![在这里插入图片描述][f65491a462d540718d3dc84b042c3ae5.png]

int main(void)
    {
        
    	//先创建空对象
    	cJSON *json = cJSON_CreateObject();
    	
    
    	//添加数组
    	cJSON *array = NULL;
    	cJSON_AddItemToObject(json, "getDataFromHandler", array = cJSON_CreateArray());
    
    	//在数组上添加对象
    	cJSON *obj = NULL;
    	cJSON_AddItemToArray(array, obj = cJSON_CreateObject());
    	cJSON_AddItemToObject(obj, "user", cJSON_CreateString("robot"));
    	cJSON_AddStringToObject(obj, "opinion", "adopt");
    
    	//在对象上添加键值对
    	cJSON_AddItemToArray(array, obj = cJSON_CreateObject());
    	cJSON_AddItemToObject(obj, "user", cJSON_CreateString("infodba"));
    	cJSON_AddItemToObject(obj, "opinion", cJSON_CreateString("adopt"));
    
    	cJSON_AddItemToArray(array, obj = cJSON_CreateObject());
    	cJSON_AddStringToObject(obj, "user", "test");
    	cJSON_AddStringToObject(obj, "opinion", "adopt");
    
    	
    
    	//生成json文件
    	FILE *fp = fopen("create.json", "w");
    	char *buf = cJSON_Print(json);
    	printf("%s\n", buf);
    
    	fwrite(buf, strlen(buf), 1, fp);
    	fclose(fp);
    
    	testJSONSend(buf);
    	/*test1();*/
    	//清理工作
    	cJSON_Delete(json);
    	
    	return 0;
    }

![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA5rGf5bee55uK5b2k_size_14_color_FFFFFF_t_70_g_se_x_16]

[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA5rGf5bee55uK5b2k_size_20_color_FFFFFF_t_70_g_se_x_16]: https://img-blog.csdnimg.cn/0150688895974a459cc77b90fbc55f6b.png?x-oss-process=image/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBA5rGf5bee55uK5b2k,size_20,color_FFFFFF,t_70,g_se,x_16
[f65491a462d540718d3dc84b042c3ae5.png]: https://img-blog.csdnimg.cn/f65491a462d540718d3dc84b042c3ae5.png
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA5rGf5bee55uK5b2k_size_14_color_FFFFFF_t_70_g_se_x_16]: https://img-blog.csdnimg.cn/21876b989086429a909d2d7903970064.png?x-oss-process=image/watermark,type_ZHJvaWRzYW5zZmFsbGJhY2s,shadow_50,text_Q1NETiBA5rGf5bee55uK5b2k,size_14,color_FFFFFF,t_70,g_se,x_16