productState.text = [NSString stringWithFormat:@"代付款 %d分%d秒",30,0];
productState.textColor = MAIN_COLOR;
if (_timer==nil) {
__block int timeout = 2 * 60; //倒计时时间
if (timeout!=0) {
dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
_timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0,queue);
dispatch_source_set_timer(_timer,dispatch_walltime(NULL, 0),1.0*NSEC_PER_SEC, 0); //每秒执行
dispatch_source_set_event_handler(_timer, ^{
if(timeout<=0){ //倒计时结束，关闭
dispatch_source_cancel(_timer);
_timer = nil;
dispatch_async(dispatch_get_main_queue(), ^{
productState.text = @"萨比完事了都";
});
}else{
int days = (int)(timeout/(3600*24));
int hours = (int)((timeout-days*24*3600)/3600);
int minute = (int)(timeout-days*24*3600-hours*3600)/60;
int second = timeout-days*24*3600-hours*3600-minute*60;
dispatch_async(dispatch_get_main_queue(), ^{
productState.text = [NSString stringWithFormat:@"代付款 %d分%d秒",minute,second];
});
timeout--;
}
});
dispatch_resume(_timer);
}
}
