ios 模拟点击复制功能

#pragma mark模拟点击复制

-(void)codeCopyBtnClick:(NSString*)copyStr{

    NSLog(@"复制");

    UIPasteboard *pab = [UIPasteboard generalPasteboard];

    pab.string= copyStr;

    if(pab ==nil) {//toastInView

        [ALToastView toastInView:self.view withText:HDLocalizedString(@"复制失败")];

    }else{

        [ALToastView toastInView:self.view withText:HDLocalizedString(@"已复制")];

    }

}