-(long)getMilliseconds{
struct timeval t;
gettimeofday(&t,NULL);
return t.tv_sec*1000+t.tv_usec/1000;
}
Objective-C 获得毫秒数
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-(long)getMilliseconds{
struct timeval t;
gettimeofday(&t,NULL);
return t.tv_sec*1000+t.tv_usec/1000;
}