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   源码介绍

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c语言解析json和打包json的源码库

简单的使用例子

解析json

cJSON *js_root,*js_obj,*js_array,*js_ch;

 int i=0;

 QString dev_id;

 int num;

 int re=0;

 int len;

 int j=0;

 js_root = cJSON_Parse(msg_src);

 js_array = cJSON_GetObjectItem(js_root,"cmd");

 len = cJSON_GetArraySize(js_array);

 for(i=0;i<len;i )

 {

 js_obj = cJSON_GetArrayItem(js_array,i);

 js_ch = cJSON_GetObjectItem(js_obj,"devid");

 dev_id = js_ch->valuestring;

 js_ch = cJSON_GetObjectItem(js_obj,"num");

 num = js_ch->valueint;

 re  = dev_conf->AddDev(dev_id,num);

 for(j=0;j<dev_conf->dev_connect_list.size();j )//检查本id号是不是本次搜索到的

 {

 if(dev_id == dev_conf->dev_connect_list.at(j).dev_id)

 {

 SendHeadId(BIN_CMD_CONNECT_BACK,(u8*)dev_conf->dev_connect_list.at(i).zig_netid,

 dev_conf->CheckId());//直接同意入网

 break;

 }

 }

 }

 cJSON_Delete(js_root);

打包json

 cJSON *js_root,*js_obj;

 if(js == NULL)return;

 js_root = js;

 js_obj = cJSON_CreateObject();

 cJSON_AddItemToObject(js_root,"head",js_obj);

 cJSON_AddNumberToObject(js_obj,"cmd",cmd_t);