#pragma pack(1)//加上这句
struct{
int nData1; //4 bytes
short usData2; //2 bytes
}mystruct
#pragma pack()//恢复默认设置
struct{
int nData1; //4 bytes
short usData2; //2 bytes
}mystruct
#pragma pack()//恢复默认设置
Category选项选取 Code Generation,Sruct member alignment选项里选取1 Byte