<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[izhangtt的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/izhangtt</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; izhangtt]]></copyright><item><title><![CDATA[Mysql常用语句]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/116004547</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/116004547</guid><author>izhangtt</author><pubDate>Thu, 22 Apr 2021 10:57:37 +0800</pubDate><description><![CDATA[1、查某个表的内容


select * from table_name;

2、修改某字段的值，例如修改formContent的值为content，where后加判断条件


update table_name set formContent='content' where id='80b3e0e48';

]]></description><category></category></item><item><title><![CDATA[MySQL 非主键设置自增]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/115863595</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/115863595</guid><author>izhangtt</author><pubDate>Mon, 19 Apr 2021 14:15:26 +0800</pubDate><description><![CDATA[有个需求：需要给数据列表添加一个序号（序号为1、2、3....），需要自增


alter table table_name add num(序号) int auto_increment not null Unique;

需加unique才能设置自增成功，否则会报错

Incorrect table definition; there can be only one auto column and it must be defined as a key
...]]></description><category></category></item><item><title><![CDATA[git忽略不需要提交某个文件]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/115763593</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/115763593</guid><author>izhangtt</author><pubDate>Fri, 16 Apr 2021 15:48:26 +0800</pubDate><description><![CDATA[Administrator@PC-20200315ZDSU MINGW64 ~/MyProject/business/common-business (dev)
$ git update-index --assume-unchanged src/main/resources/bootstrap.yml


忽略提交文件

git update-index --assume-unchanged 文件目录（此时所在文件夹为根目录）

取消
git update-index --no-assume-unchan.]]></description><category></category></item><item><title><![CDATA[provisioning profile doesn't include signing certificate]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/74178368</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/74178368</guid><author>izhangtt</author><pubDate>Mon, 03 Jul 2017 11:21:03 +0800</pubDate><description><![CDATA[打包的时候出现 Library not loaded:@rpath/BoringSSL.framework ............. Reason: image not found

target->general->embedded binaries中加入动态库（.framework文件）]]></description><category></category></item><item><title><![CDATA[iOS设置UILabel的不同颜色字体]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/73998658</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/73998658</guid><author>izhangtt</author><pubDate>Fri, 30 Jun 2017 15:04:44 +0800</pubDate><description><![CDATA[//        设置不同的字体

        let str:NSMutableAttributedString =
NSMutableAttributedString.init(string: priceStr)

        str.addAttribute(NSForegroundColorAttributeName, value:
RGBCOLOR(r: 102,]]></description><category></category></item><item><title><![CDATA[iOS UILabel根据字体，自适应宽度]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/52382590</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/52382590</guid><author>izhangtt</author><pubDate>Wed, 31 Aug 2016 10:39:24 +0800</pubDate><description><![CDATA[//这个frame是初设的，没关系，后面还会重新设置其size。
NSDictionary *attributes = @{NSFontAttributeName:[UIFont systemFontOfSize:20],};
NSString *str = @"这里是lab里的内容";
CGSize textSize = [str boundingRectWithSize:CGSizeMa]]></description><category></category></item><item><title><![CDATA[iOS tabBarItem的选中与非选中时，背景颜色，字体颜色]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/51939164</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/51939164</guid><author>izhangtt</author><pubDate>Mon, 18 Jul 2016 09:28:02 +0800</pubDate><description><![CDATA[//设置tabBar的背景颜色，使用的方法
//设置tabbar的背景
//tabBar和navigationBar结合使用,tabBarItem的图片设置]]></description><category></category></item><item><title><![CDATA[iOS tabbarItem的颜色都是白色，点击其中一个，其他的不变，没有点中的效果]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/51729121</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/51729121</guid><author>izhangtt</author><pubDate>Tue, 21 Jun 2016 17:53:56 +0800</pubDate><description><![CDATA[//未被选中的图片效果不变

    [navigtion.tabBarItem
setTitleTextAttributes:[NSDictionary
dictionaryWithObjectsAndKeys:[UIColor
whiteColor], NSForegroundColorAttributeName,
nil] 
forState:UIControlStateNor]]></description><category></category></item><item><title><![CDATA[iOS 在tableView上消退键盘]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/51491554</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/51491554</guid><author>izhangtt</author><pubDate>Tue, 24 May 2016 16:44:49 +0800</pubDate><description><![CDATA[给tableView添加手势

UITapGestureRecognizer *gesture = [[UITapGestureRecognizer
alloc]initWithTarget:self
action:@selector(resignKeyBoardGestureWithTableView:)];
    gesture.cancelsTouchesInView =
NO]]></description><category></category></item><item><title><![CDATA[iOS 由中英文数字组成 正则表达式]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/51263236</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/51263236</guid><author>izhangtt</author><pubDate>Wed, 27 Apr 2016 18:03:10 +0800</pubDate><description><![CDATA[NSString *regex = 
@"^[a-zA-Z0-9\u4e00-\u9fa5]+$";

    NSPredicate *pre = [NSPredicate
predicateWithFormat:@"SELF MATCHES %@",regex];

    BOOL isMatch = [pre 
evaluateWithObject:str];

    ]]></description><category></category></item><item><title><![CDATA[iOS tabbar和navigation组合，点击item两次，会pop到上一个页面，解决不让控制器跳转的方法]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/51179443</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/51179443</guid><author>izhangtt</author><pubDate>Mon, 18 Apr 2016 14:40:27 +0800</pubDate><description><![CDATA[问题描述：
just found out something: If you have a Tabbar combined with a NavigationController (that has
 some views on it's stack) and you double click the TabBarItem, the view pops to the first ViewCon]]></description><category></category></item><item><title><![CDATA[iOS 在tableView或scrollView上，消退键盘]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/51161285</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/51161285</guid><author>izhangtt</author><pubDate>Fri, 15 Apr 2016 14:12:36 +0800</pubDate><description><![CDATA[给tableView或scrollview添加手势


1.UITapGestureRecognizer *gesture = [[UITapGestureRecognize alloc]initWithTarget:self action:@selector(resignKeyBoardGestureWithTableView:)];

2.gesture.cancelsTouches]]></description><category></category></item><item><title><![CDATA[iOS解决navigationBar因为图片尺寸问题造成的会向上偏移64的问题]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/51150205</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/51150205</guid><author>izhangtt</author><pubDate>Thu, 14 Apr 2016 11:28:50 +0800</pubDate><description><![CDATA[在控制器里viewDidLoad里加入以下代码




self.navigationController.navigationBar.translucent =
NO;

self.automaticallyAdjustsScrollViewInsets =
NO;]]></description><category></category></item><item><title><![CDATA[隐藏底部的tabbar]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/51150105</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/51150105</guid><author>izhangtt</author><pubDate>Thu, 14 Apr 2016 11:19:21 +0800</pubDate><description><![CDATA[在第一个控制器的跳转代码里加入：


self.hidesBottomBarWhenPushed =
YES;

MorePlayRecordsViewController *morePlayRecordsVC = [MorePlayRecordsViewController
new];

morePlayRecordsVC.morePlayRecordsTag = [NSStr]]></description><category></category></item><item><title><![CDATA[pop跳转到指定的控制器]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/51094950</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/51094950</guid><author>izhangtt</author><pubDate>Fri, 08 Apr 2016 11:19:27 +0800</pubDate><description><![CDATA[for (UIViewController *temp
in self.navigationController.viewControllers)

    {

        if ([temp 
isKindOfClass:[MyLoginViewController 
class]])

        {

            [self.navigationC]]></description><category></category></item><item><title><![CDATA[tabBar控制器，跳转到指定的页面]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/51035706</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/51035706</guid><author>izhangtt</author><pubDate>Fri, 01 Apr 2016 11:55:23 +0800</pubDate><description><![CDATA[self.tabBarController.selectedIndex =
i;（其中i为想要跳转的页面的下标，从0开始）]]></description><category></category></item><item><title><![CDATA[设置tabbar有被选中的效果，添加背景]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/51026610</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/51026610</guid><author>izhangtt</author><pubDate>Thu, 31 Mar 2016 14:58:47 +0800</pubDate><description><![CDATA[//设置tabbar有被选中的效果，添加背景

 self.tabBar.selectionIndicatorImage = [UIImage
imageNamed:@"tabon_bg"];]]></description><category></category></item><item><title><![CDATA[iOS 设置NavigationItem的Title的字体大小和颜色]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/50969565</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/50969565</guid><author>izhangtt</author><pubDate>Thu, 24 Mar 2016 10:37:42 +0800</pubDate><description><![CDATA[UIFont *font = [UIFont
fontWithName:@"Arial-ItalicMT"
size:21];

    NSDictionary *dic =
@{NSFontAttributeName:font, 

NSForegroundColorAttributeName: [UIColor
whiteColor]};

    self.naviga]]></description><category></category></item><item><title><![CDATA[iOS 点击按钮跳转到指定的TabBar]]></title><link>https://blog.youkuaiyun.com/izhangtt/article/details/50969342</link><guid>https://blog.youkuaiyun.com/izhangtt/article/details/50969342</guid><author>izhangtt</author><pubDate>Thu, 24 Mar 2016 10:16:56 +0800</pubDate><description><![CDATA[self.tabBarController.selectedIndex =
0;]]></description><category></category></item></channel></rss>