C++结构体
struct CUser_DataStruct
{
char pKKSCoding[128]; //标签点Kks编码
DWORD time; //UTC时间
WORD millisecond; //毫秒
int nDataState; //数据状态
double dValue; //数值
CUser_DataStruct* pNext; //指向下一个数据节点的指针
};
C++的入口函数说明
Bool DataUp (CUser_DataStruct FPointArray[], int DataNumber,bool bCover);
参数:CUser_DataStruct FPointArray[]:输入参数,用户上传数据的结构体
int DataNumber:输入参数,数组的大小
bool bCover:输入参数,数据上传标识位,当为 true 时,表示上传数据可以覆盖
原有数据;当为 false 时,表示上传数据不可以覆盖原有数据
功能:数据上传接口
返回值:成功 true,失败 false
我的java模拟类
public class UserData extends Structure {
public byte[] pKKSCoding =new byte[128];
public int nDataState;
public Double DValue;
public int time;
public short millisecond;
public UserData.ByReference PUserDataStruct;
public static class ByReference extends UserData implements Structure.ByReference{}
public static class ByValue extends UserData implements Structure.ByValue{}
@Override
protected List getFieldOrder() {
// TODO Auto-generated method stub
return Arrays.asList(new String[]{"pKKSCoding","nDataState","DValue","time","millisecond","PUserDataStruct"});
}
代码实现部分
int nCount=2;
String TagName="NY001\0";
UserData.ByReference[] UserDataStruct= new UserData.ByReference[nCount];
for (int i=0;i<nCount;i++){
UserDataStruct[i]=new UserData.ByReference();
UserDataStruct[i].pKKSCoding=TagName.getBytes();
//取当前UTC
String lCurrentTime=String.valueOf(System.currentTimeMillis());
//截取到秒级
UserDataStruct[i].time=Integer.parseInt(lCurrentTime.substring(0, lCurrentTime.length()-3));
//截取后三位毫秒数
UserDataStruct[i].millisecond=Short.parseShort(lCurrentTime.substring(lCurrentTime.length()-3,lCurrentTime.length()));
UserDataStruct[i].nDataState=1;
UserDataStruct[i].DValue=(double) 456+i;
//链表指针
UserDataStruct[i].PUserDataStruct=new UserData.ByReference();
UserDataStruct[i].write();
}
result=Clientdll.Instanse.DataUp(UserDataStruct, nCount, true);
请各位大神帮忙指点指点
最近也遇到这些问题了,最后怎么解决的啊~~~