雪_-CSDN博客

2删除数据库今天数据[[SingleTonManager sharedInstance] openSqlite]; NSString *UUID = [[NSUserDefaults standardUserDefaults] objectForKey:@"UUID"]; int year,month,day;

2016-08-20 12:44:56 878

转载 iOS 杂烩

2计算某个日期距离今天多少天NSDate * newDate = [Tool stringToDate:newDateStr];HaventDown07Count = (int)[self calcDaysFromBegin:newDate end:[NSDate date]];//计算两个日期之间的天数-(NSInteger) calcDaysFromBegin:(N

2016-08-20 12:24:34 305

转载 iOS 杂烩

-(int)getRandomNumber:(int)from to:(int)to{ return (int)(from + (arc4random() % (to - from +1)));}2 随机数target *= 1000;2 *= 1000 即是乘与1000@"2016-5-31"转为NSDat

2016-08-20 12:16:26 739 2

转载 iOS 大杂烩

xib、VCKFViewController *kfViewCtl = [[KFViewController alloc] initWithNibName:@"KFViewController" bundle:nil];weak strong 关键字//weak关键字声明的属性，很可能会在某个地方就被释放了，所以如果不希望它被释放的时候要用str

2016-06-03 12:50:40 788

转载 iOS 文件直接从别的工程拖过来导致的问题

"font-family:SimSun;font-size:12px;">Undefined symbols for architecture i386: "_OBJC_CLASS_$_ViewController", referenced from: objc-class-ref in AppDelegate.o ld: symbol(s) not found

2016-05-12 20:10:57 803

转载进度圆

http://www.oschina.net/p/thcircularprogressviewhttp://www.oschina.net/p/thcircularprogressview

2016-05-09 17:13:30 236

原创 iOS 取得ipa里面的图片

app的ipa文件将ipa后缀改为zip后，双击解压，出现的文件右键显示包内容后，里面有个assets.car，用这个car文件放进images extractor 然后start就可以解开这个app里的图片，然后取出来用。记得先下载images extractor

2016-05-04 12:49:38 532

原创 iOS UICollectionView上面加UIPageControll的方法

拖一个UICollectionView到视图上去，然后拖一个UIView到UICollectionView上，这个UIView会自动变成与UICollectionView等宽等高并与UICollectionView吻合，然后再拖一个UIPageControll到UIView上去，此时就可以设置UIPageControll的约束了，结束。

2016-03-25 14:31:50 1743

原创 swift 取得一个字符的ascii值或者unicode值

func getTxtString() { var tmp: NSString? var lines: NSArray? let str = NSBundle.mainBundle().pathForResource("LED_20160119",ofType:"txt")//取得工程中txt文件的路径 /*将文件转

2016-03-10 13:10:56 3816

转载滚动视图自动布局&开发者账号的优秀文章

开发者账号的优秀文章：http://blog.csdn.net/phunxm/article/details/42685597http://blog.csdn.net/jijiji000111/article/details/48802779滚动视图自动布局http://www.mamicode.com/info-detail-975980.html

2016-01-22 11:07:49 251

转载 iOS url编码 7%89%B9%E6%AE%8A%E

通过POST方法，程序内获得的数据为：%E7%89%B9%E6%AE%8A%E5%AD%97%E7%AC%A6%E6%B5%8B%E8%AF%95%EF%BC%9A%E4%B8%8B%E9%9D%A2%E6%9C%89%E4%B8%AA%E7%A9%BA%E6%A0%BC+%E6%8E%A5%E4%B8%8B%E6%9D%A5%E6%98%AF%E5%8A%A0%E5%8F%B7%2B%E5%

2015-12-15 17:41:57 9807

转载 iOS 根据uuid取得外设

NSUUID *uuid = [[NSUUIDalloc] initWithUUIDString:UUIDString]; NSArray *cbObj = [self.managerretrievePeripheralsWithIdentifiers:[NSArrayarrayWithObject:uuid]]; CBPeripheral *periphe

2015-11-23 15:42:14 694

转载 iOS label自动换行

label.frame = CGRectMake(45,64+10+i*39,100, 40); NSString * labelStr = NameArray[i]; CGSize labelSize = {0,0}; labelSize = [labelStr sizeWithFont:[UI

2015-11-19 16:51:39 580

转载 iOS 归档保存对象到本地

http://www.cnblogs.com/lzlsky/p/3277467.html

2015-09-16 15:18:34 460

转载 iOS 柱状图折线图

一个比较方便的柱状图，折线图第三方控件搜索 UUchartView 下载示例代码

2015-09-05 17:37:42 629

原创 iOS label 加下横线

NSMutableAttributedString *content = [[NSMutableAttributedStringalloc] initWithString:@"用户协议及隐私政策"]; NSRange contentRange = {0, [contentlength]}; [content addAttribute:NSUnderlineSt

2015-08-26 08:53:05 694

原创 iOS 导航栏透明去掉黑线

[self.navigationController.navigationBarsetBackgroundImage:[UIImageimageNamed:@"nav.png"]forBarMetrics:UIBarMetricsDefault];//导航栏透明 self.navigationController.navigationBar.shadowImage =

2015-08-26 08:49:36 889

原创 iOS 字符转换为16进制如@"139989"转成<139989>

- (int)changeToIntString:(NSString *)letter { if ([letterisEqualToString:@"0"]||[letterisEqualToString:@"1"]||[letterisEqualToString:@"2"]||[letterisEqualToString:@"3"]||[letterisEqua

2015-07-03 14:27:34 567

原创 iOS 字符串变成16进制数字不变

static UInt8 AesPhoneKey[16]={0x10,0,0x10,0x08,0x09,0x73,0x17,0x10,0x34,0x08,0x2b,0x0f,0x25,0x66,0,0x63}; NSData *phoneKeyData = [NSDatadataWithBytes:AesPhoneKey length:16]; NSString *

2015-07-03 09:03:21 1161

转载 iOS AES解密我遇到的问题

底层给得key是：static uint8 AesKey[16]={0x01,0x02,0x03,0x04,0x05,0,0x07,0,0x09,0x10,0,0x12,0,0x14,0,0x16};网上找的大多是传入字符串类型的key，而我这里把传入的key 从字节数组转为nsdata类型，将网上的代码略作修改，最后解密成功。以下贴代码#import

2015-06-23 18:03:39 2020 1

转载打包ipa 给测试机安装

iOS证书分2种，1种是开发证书，用来给你（开发人员）做真机测试的；1种是发布证书，发布证书又分发布到app store的（这里不提及）和发布测试的ad hoc证书。下面这个链接是ad hochttp://wenku.baidu.com/link?url=ZuAxAo9WGPliLE0SDjkjHcG_0fmJyfSesRFi2ky3k4tnmULf4x479VFSuWHm6shh7_

2015-05-25 15:12:16 403

转载 iOS NSString to ASCII

// NSString to ASCIINSString *string = @"A";int asciiCode = [string characterAtIndex:0]; // 65

2015-05-21 12:30:17 594

转载 iOS 修改uitextfeild的Placeholder颜色

_userNameField.attributedPlaceholder = [[NSAttributedStringalloc] initWithString:@"用户名"attributes:@{NSForegroundColorAttributeName: [UIColorlightGrayColor]}];

2015-05-07 17:43:39 394

转载 iOS 禁止横屏

在AppDelegate中增加，这个方法可以禁止横屏- (NSUInteger)application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window { return UIInterfaceOrientationMaskPo

2015-05-07 09:15:06 293

转载 iOS 状态栏设置为白色

http://blog.csdn.net/woaifen3344/article/details/24969521

2015-05-05 15:04:21 394

转载 iOS 设置系统返回按钮的颜色

self.navigationController.navigationBar.barStyle =UIStatusBarStyleDefault; [self.navigationController.navigationBarsetTintColor:[UIColorwhiteColor]];

2015-05-05 14:02:50 3199

转载 iOS OpenGL ES 优秀系列教程

http://blog.csdn.net/kesalin/article/details/8221393

2015-04-30 13:50:23 314

转载 iOS 设置self.title的颜色

UIColor * cc = [UIColorwhiteColor]; NSDictionary * dict = [NSDictionarydictionaryWithObject:cc forKey:NSForegroundColorAttributeName]; self.navigationControl

2015-04-23 09:34:03 978

转载 iOS 8 完美禁止右滑返回

先引入代理协议- (void)viewDidAppear:(BOOL)animated{ [superviewDidAppear:animated]; if ([self.navigationControllerrespondsToSelector:@selector(interactivePopGestureRecognizer)])

2015-04-22 11:46:43 3426

转载 iOS AVcapture 自定义相机

http://www.it165.net/pro/html/201409/22417.html

2015-04-21 10:58:16 375

转载 iOS 获取storyboard创建的视图控制器

//获取storyboard: 通过bundle根据storyboard的名字来获取我们的storyboard, UIStoryboard *story = [UIStoryboard storyboardWithName:@"Main" bundle:[NSBundle mainBundle]]; //由storyboard根据my

2015-04-20 11:16:41 632