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Xcode代码片段共享 使用： git下载完，放在系统~/Library/Developer/Xcode/UserData/CodeSnippets

变量声明

1.@propertyAssign ------>声明一个assign变量

@property(nonatomic, assign) ____[var]____

2.@propertyStrong ------>声明一个strong变量

@property(nonatomic, strong) ____[var]____

3.@propertyWeak ------>声明一个weak变量

@property(nonatomic, weak) ____[var]____

4.id ------>声明delegate

id____[protocol]____ ____[delegate]____;

变量定义(约定以”my”开头)

1.myMutableArray ------>定义一个可变数组array

NSMutableArray *____[mutableArray]____ = [NSMutableArray array];

2.myMutableDictionary ------>定义一个可变字典dict

NSMutableDictionary *____[mutableDict]____ = [NSMutableDictionary dictionary];

3. myAlertView ------>定义一个uialertView

---

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:____[@“title”]____ message:____[message]____ delegate:self cancelButtonTitle:@"取消" otherButtonTitles: @"确定",nil];

alert.delegate = ____[nil]____;
[alert show];

4.myCell ------>创建cell

static NSString *cellIdentifier = ____[@"cellIdentifier"]____;
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];

if (!cell)
{
		cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier];
}

函数定义

1.numberOfRowsInSection ------>返回TableView的rows数量

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    int numberOfRows = 0;
    
    ____[code]____
    
    return numberOfRows;
}

2.numberOfSectionsInTableView ------>返回TableView的sections数量

- (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView
{
    int numberOfSections = 1;
    
    ____[code]____
    
    return numberOfSections;
}

3.cellForRowAtIndexPath ------>cell

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
	 ____[UITableViewCell]____ *cell = [tableView dequeueReusableCellWithIdentifier:____[@"cell"]____];
	
	 if (nil == cell)
 	{
  			  cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:____[@"cell"]____];
 	}

		____[code]____

	 return cell;
}

4.heightForHeaderInSection ------>返回TableView的SectionHeader的高度

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
    float height = 0.0f;
    
    ____[code]____
    
    return height;
}

5.heightForRowAtIndexPath ------>返回TableView的cell的高度

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    float height = 0.0f;
    
    ____[code]____
    
    return height;
}

6.clicked ------>按钮事件

- (void)____[btn]____Clicked:(id)sender
{

}

7.dealloc ------>取消监听的dealloc

-(void)dealloc
{
	 [NSObject cancelPreviousPerformRequestsWithTarget:self];
	 [[NSNotificationCenter defaultCenter] removeObserver:self];
}

8.didSelectRowAtIndexPath ------>选中cell

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
	[tableView deselectRowAtIndexPath:indexPath animated:NO];

	____[code]____
}

代码块定义

1.add by ------>添加作者信息

//add by ____[author]____, begin
//reason:____[reason]____
//date:____[yyyy]____-____[mm]____-____[dd]____

____[code]____

//add end

2.apMonitorPointManager ------>添加埋点

[[APMonitorPointManager sharedInstance] addLogsAndKeys:kActionID_____[key]____, kActionID, 
		____[业务ID]____, kBizID, ____[埋点ID]____, kActionSeed,
		____[当前视图]____,kCurrentViewID, ____[上一个视图]____,kLastViewID,
		____[(NSString *), ...]____, nil];

3.NSDocumentDirectory或者documentDirectory ------>获取document路径

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES);
NSString *documentDirectory = paths.firstObject;

4.if ------>if格式

if (____[condition]____)
{
    ____[code]____
}

5.elseif ------>else if格式

else if (____[condition]____)
{
    ____[code]____
}

6.else ------>else格式

else
{
    ____[code]____
}

7.disAsyncMain或者dispatch_async_main或者asyncDispatchMain ------>异步dispatch到主线程

dispatch_async(dispatch_get_main_queue(), ^{
            ____[code]____
        });

8.disAsyncGlobal或者dispatch_async_global或者asyncDispatchGlobal ------>异步dispatch到global

dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
            ____[code]____
        });

9.switch ------>switch格式

switch (____[expression]____)
{
    case ____[constant]____:
    {
        ____[code]____
        break;
    }
    default:
    {
        ____[code]____
        break;
    }
}

10.case ------>case格式

    case ____[constant]____:
    {
        ____[code]____
        
        break;
    }

11.@synchronized ------>同步块

@synchronized(self)
{
    ____[code]____
}

12.test ------>添加test测试代码块

    //test
#ifdef DEBUG
    ____[code]____
    return ____[expression]____
#endif
    //test

13.forSubViews ------>枚举subViews格式

for (UIView *subView in [____[self.view]____ subviews])
{
    NSLog(@"subView = %@", subView);
    ____[code]____
}

14.exitCurrentApp或者exitApp或者appExit ------>退出当前app

[DTContextGet().currentApplication exitAnimated:____[YES]____];

15.pragmaAll ------>代码职责分块

#pragma mark - private



#pragma mark ______doing


#pragma mark ______clicked


#pragma mark ______create



#pragma mark ______notif



#pragma mark - Delegates



#pragma mark - public

16.pragmaMain ------>分块主分割线

#pragma mark - ____[mainMark]____

17.pragmaSection ------>分块次分割线

#pragma mark __________[section]____

18.modifyBy ------>添加修改作者

//modify by ____[author]____, begin
//reason:____[reason]____
//date:____[yyyy]____-____[mm]____-____[dd]____

____[code]____

//modify end

19.nsNotificationCenterAddObserverName或者notifAddObserverName ------>根据name，添加监听消息

[[NSNotificationCenter defaultCenter] removeObserver:____[self]____
                                                name:____[(NSString *)]____
                                              object:____[nil]____];
[[NSNotificationCenter defaultCenter] addObserver:____[self]____
                                         selector:____[(SEL)]____
                                             name:____[(NSString *)]____
                                           object:____[nil]____];

20.nsNotificationCenterRemoveObserverName或者notifRemoveObserverName ------>根据name，移除监听消息

[[NSNotificationCenter defaultCenter] removeObserver:____[self]____
                                                name:____[(NSString *)]____
                                              object:____[nil]____];

21.nsNotificationCenterRemoveObserver或者notifRemoveObserver ------>取消监听消息

[[NSNotificationCenter defaultCenter] removeObserver:____[self]____];

22.performBackground或者backgroundPerform ------>后台线程执行该函数

[self performSelectorInBackground:____[(SEL)]____ withObject:____[nil]____];

23.performMain或者mainPerform ------>主线程执行该函数

[self performSelectorOnMainThread:____[(SEL)]____ withObject:____[nil]____ waitUntilDone:____[(BOOL)]____];

24.performDelay或者delayPerform ------>延迟执行该函数

[self performSelector:____[(SEL)]____ withObject:____[nil]____ afterDelay:____[(NSTimeInterval)]____];

25.popViewController ------>pop当前vc

[self.navigationController popViewControllerAnimated:____[YES]____];

26.popViewController ------>pop当前vc

27.popToViewController ------>pop到vc

[self.navigationController popToViewController:____[vc]____ animated:____[YES]____];

28.popToRootViewController ------>pop到根vc

[self.navigationController popToRootViewControllerAnimated:____[YES]____];

29.postNotificationName ------>发送name消息

[[NSNotificationCenter defaultCenter] postNotificationName:____[name]____ object:____[nil]____];

30.pushViewController ------>push一个vc

[self.navigationController pushViewController:____[vc]____ animated:____[YES]____];

31.animationSimple ------>简单动画

[UIView animateWithDuration:0.3f
                 animations:^{
                     ____[code]____
                 } completion:^(BOOL finished) {
                     
                 }];

32.startApp或者appStart ------>启动一个app

[DTContextGet() startApplication:____[appId]____ params:____[params]____ animated:____[YES]____];

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