C语言借助cJSON生成和解析json数据

矫情吗；* 2023-10-06 20:14 6阅读 0赞

## 一、下载cJSON ##

下载地址：https://github.com/DaveGamble/cJSON  
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## 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;
    }

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[f65491a462d540718d3dc84b042c3ae5.png]: https://img-blog.csdnimg.cn/f65491a462d540718d3dc84b042c3ae5.png
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