代码块（Code Snippet）

lzlGetInit

- (instancetype)init {
    
    if (self == [super init]) {
        
        [self setupUI];
    }
    return self;
}

- (void)setupUI {
    
}

lzlGetCancelButton

- (void)cancelButtonAction {
    
    NSLog(@"%s",__FUNCTION__);
}

- (UIButton *)cancelButton  {
    if (!_cancelButton) {
        _cancelButton = [UIButton buttonWithType:UIButtonTypeCustom];
        [_cancelButton setTitle:@"取消" forState:UIControlStateNormal];
        [_cancelButton setTitleColor:[UIColor hexStringToColor:@"#FFFFFF"] forState:UIControlStateNormal];
        _cancelButton.backgroundColor = [UIColor hexStringToColor:@"#A7A7A7"];
        _cancelButton.layer.cornerRadius = 17.5;
        _cancelButton.titleLabel.font = [UIFont systemFontOfSize:14];
        [_cancelButton addTarget:self action:@selector(cancelButtonAction) forControlEvents:UIControlEventTouchUpInside];
    }
    return _cancelButton;
}

lzlGetGlobalQueue

dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);

lzlGetNavigationController

- (void)setupUI {
    
    ViewController * vc = [[ViewController alloc] init];
    vc.view.backgroundColor = [UIColor whiteColor];
    UINavigationController * NC = [self addChildVc:vc title:@"" image:@"" selectedImage:@""];
    self.viewControllers = @[NC];
}

#pragma mark - 添加子控制器  设置图片
/**
 *  添加一个子控制器
 *
 *  @param childVc       子控制器
 *  @param title         标题
 *  @param image         图片
 *  @param selectedImage 选中的图片
 */
- (UINavigationController*)addChildVc:(UIViewController *)childVc title:(NSString *)title image:(NSString *)image selectedImage:(NSString *)selectedImage {
    
    // 设置子控制器的文字
    childVc.title = title; // 同时设置tabbar和navigationBar的文字
    
    // 设置子控制器的图片
    childVc.tabBarItem.image = [[UIImage imageNamed:image] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
    childVc.tabBarItem.selectedImage = [[UIImage imageNamed:selectedImage]imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
    //未选中字体颜色  system为系统字体
    [childVc.tabBarItem setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor lightGrayColor],NSFontAttributeName:[UIFont fontWithName:nil size:13]} forState:UIControlStateNormal];
    
    //选中字体颜色
    [childVc.tabBarItem setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor blackColor],NSFontAttributeName:[UIFont fontWithName:nil size:13]} forState:UIControlStateSelected];
    
    // 先给外面传进来的小控制器 包装 一个导航控制器
    UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:childVc];
    return nav;
}

#pragma mark - 类的初始化方法，只有第一次使用类的时候会调用一次该方法
+ (void)initialize {
    
    //tabbar去掉顶部黑线
    [[UITabBar appearance] setBackgroundImage:[UIImage new]];
    [[UITabBar appearance] setShadowImage:[UIImage new]];
    [[UITabBar appearance] setBarTintColor:[UIColor whiteColor]];
}

lzlGetWindowScene

UIWindowScene *windowScene = (UIWindowScene *)scene;
    self.window = [[UIWindow alloc] initWithWindowScene:windowScene];
    self.window.frame = windowScene.coordinateSpace.bounds;
    ViewController *vc = [[ViewController alloc] init];
    UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:vc];
    nav.view.backgroundColor = [UIColor whiteColor];
    self.window.rootViewController = nav;
    [self.window makeKeyAndVisible];

lzlGetAlertController

UIAlertController *alertCTL = [UIAlertController alertControllerWithTitle:@"温馨提示" message:@"单笔交易金额不能超过五万!" preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
UIAlertAction *okAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:nil];
[alertCTL addAction:cancelAction];
[alertCTL addAction:okAction];
[self presentViewController:alertCTL animated:YES completion:nil];

lzlGetASButton

- (ASButton *)<#asbutton#> {
    if (!<#_asbutton#>) {
        <#_asbutton#> = [[ASButton alloc] init];
        <#_asbutton#>.buttonStyle = ASButtonImageRight;
        <#_asbutton#>.padding = 5;
        <#_asbutton#>.backgroundColor = KMainLoginOutColor;
        <#_asbutton#>.layer.cornerRadius = 17.5;
        <#_asbutton#>.titleLabel.font = [UIFont systemFontOfSize:14];
        [<#_asbutton#> setImage:[UIImage imageNamed:@"click_to_go_official_website_button_icon"] forState:UIControlStateNormal];
        [<#_asbutton#> setTitle:@"点击前往官网" forState:UIControlStateNormal];
        [<#_asbutton#> addTarget:self action:@selector(clickToGoOfficialWebsiteButtonAction) forControlEvents:UIControlEventTouchUpInside];
    }
    return <#_asbutton#>;
}

lzlGetBackFunction

- (void)backAction{
    
    [self dismissViewControllerAnimated:YES completion:nil];
}

lzlGetBlockOperation

typedef void (^<# blockName #>)(<# type #> *<# name #>);

@property (nonatomic, <# type #>) void (^<# blockName #>)(<# type #> *<# name #>);

- (void)dataSourceWith<# blockName #>Operation:(void (^)(<# type #> * <# name #>))<# blockName #>Operation;

lzlGetButton

- (void)<# lzlbutton #>Action {
    
    NSLog(@"%s",__FUNCTION__);
}

- (UIButton *)<# lzlbutton #> {
    if (!_<# lzlbutton #>) {
        _<# lzlbutton #> = [[UIButton alloc] init];
        [_<# lzlbutton #> setTitleColor:<# lzlcolor #> forState:UIControlStateNormal];
        [_<# lzlbutton #> setTitle:<# title #> forState:UIControlStateNormal];
        _<# lzlbutton #>.titleLabel.font = [UIFont systemFontOfSize:<# size #>];
        [_<# lzlbutton #> addTarget:self action:@selector(<# lzlbutton #>Action) forControlEvents:UIControlEventTouchUpInside];
    }
    return _<# lzlbutton #>;
}

lzlGetCloseButton

// 关闭弹窗
- (UIButton *)closeButton  {
    if (!_closeButton) {
        _closeButton = [UIButton buttonWithType:UIButtonTypeCustom];
        [_closeButton setImage:[UIImage imageNamed:@"live_room_popoview_close_img"] forState:UIControlStateNormal];
        [_closeButton addTarget:self action:@selector(closeButtonAction:) forControlEvents:UIControlEventTouchUpInside];
    }
    return _closeButton;
}

lzlGetClosewhitebutton

- (UIButton *)closeButton  {
    if (!_closeButton) {
        _closeButton = [UIButton buttonWithType:UIButtonTypeCustom];
        [_closeButton setImage:[UIImage imageNamed:@"live_room_popoview_close_img_white"] forState:UIControlStateNormal];
        [_closeButton addTarget:self action:@selector(closeButtonAction:) forControlEvents:UIControlEventTouchUpInside];
    }
    return _closeButton;
}

lzlGetCollectionViewDelegate

#pragma mark- UIColloctionViewDelegate
// 返回组数
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    
    return 3;
}

// 返回每组当中所有的元素个数
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    
    return 12;
}

// 返回每个元素所使用的UICollectionViewCell对象
-(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    
    //去复用队列中查找cell
    UICollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"cell" forIndexPath:indexPath];
    //改变背景色
    cell.backgroundColor = [UIColor orangeColor];
    
    return cell;
}

// 修改每一个item的宽度和高度
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    
    return CGSizeMake(100, 100);
}

// 返回每一组元素跟屏幕4个边界的距离(上，左，下，右)
-(UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section {
    
    //创建一个UIEdgeInsets的结构体
    return UIEdgeInsetsMake(10, 10, 10, 10);
}

// 返回头部视图的宽和高
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section {
    
    //注意：如果是竖直滑动，则只有高度有效，如果是水平滑动，则只有宽度有效
    return CGSizeMake(50, 50);
}

// 返回头部和尾部视图所使用的UICollectionReusableView对象
- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath {
    
    //由于头部和尾部视图的实例化都需要调用此方法，所以需要通过kind判断生成的是头部视图还是尾部视图
    if ([kind isEqualToString:UICollectionElementKindSectionHeader]) {
        //表示需要创建头部视图
        //复用形式创建头部视图
        UICollectionReusableView *headerView = [collectionView dequeueReusableSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"header" forIndexPath:indexPath];
        //改变背景色
        headerView.backgroundColor = [UIColor greenColor];
        
        return headerView;
    }
    return nil;
}

// 选中某一个item
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    
    NSLog(@"第%ld组第%ld个",indexPath.section,indexPath.item);
}

// 效果同layout.minimumLineSpacing,二选一
//- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section {
//
//}

// 效果同layout.minimumInteritemSpacing,二选一
//- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section {
//
//
//}

lzlGetFunction

- (<# type #>)<# functionName #>{
    
    <# Initialization code #>
}

lzlGetDocument

#pragma mark- 获取沙盒路径

/// Document：
- (NSString *)getDocumentPathFunction {
    
    NSString *path = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES).lastObject;
    
    return path;
}

/// Library:
- (NSString *)getLibraryPathFunction {
    
    NSString *path = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES).lastObject;
    
    return path;
}

/// Caches:
- (NSString *)getCachesPathFunction {
    
    NSString *path = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES).lastObject;
    
    return path;
}

/// Preferences:
- (NSString *)getPreferencesPathFunction {
    
    NSString *path = [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES).lastObject stringByAppendingPathComponent:@"Preferences"];
    
    return path;
}

/// Temp:
- (NSString *)getTempPathFunction {
    
    NSString *path = NSTemporaryDirectory();
    
    return path;
}

lzlGetInitCell

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{
    
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (self) {
        
        <# Initialization code #>
    }
    return self;
}

lzlGetCollectionView

- (UICollectionView *)collectionView {
    if (!_collectionView) {
        UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
        //        layout.scrollDirection = UICollectionViewScrollDirectionHorizontal;
        layout.minimumInteritemSpacing = 40;
        layout.minimumLineSpacing = 5;
        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
        _collectionView.delegate = self;
        _collectionView.dataSource = self;
        _collectionView.bounces = YES;
        _collectionView.showsVerticalScrollIndicator = NO;
        _collectionView.showsHorizontalScrollIndicator = NO;
        _collectionView.userInteractionEnabled = YES;
        _collectionView.backgroundColor = [UIColor clearColor];
        
        // 默认选中第一个元素
        [_collectionView selectItemAtIndexPath:[NSIndexPath indexPathForItem:0 inSection:0] animated:YES scrollPosition:UICollectionViewScrollPositionNone];
        
        
        [_collectionView registerClass:[ASCollectionViewCell class] forCellWithReuseIdentifier:[ASCollectionViewCell cellIdentifier]];
    }
    return _collectionView;
}

lzlGetTypeNameWithDict

- (instancetype)init<# TypeName #>WithDict:(NSDictionary *)dict {
    if (self = [super init]) {
        [self setValuesForKeysWithDictionary:dict];
    }
    return self;
}

+ (instancetype)<# typeName #>WithDict:(NSDictionary *)dict {
    return [[self alloc] init<# TypeName #>WithDict:dict];
}

lzlGetInitWithFrame

- (instancetype)initWithFrame:(CGRect)frame {
    
    if (self = [super initWithFrame:frame]) {
        
    }
    return self;
}

lzlGetKeyWindow

+ (UIWindow *)keyWindow {
    
    UIWindow *foundWindow = nil;
    NSArray *windows = [[UIApplication sharedApplication] windows];
    for (UIWindow *window in windows) {
        if (window.isKeyWindow) {
            foundWindow = window;
            break;
        }
    }
    return foundWindow;
}

lzlGetKVC

- (void)setValuesForKeysWithDictionary:(NSDictionary *)keyedValues {
    // 遍历字典
    for (NSString *key in keyedValues) {
        [self setValue:keyedValues[key] forKey:key];
    }
}

// 重写
- (void)setValue:(id)value forKey:(NSString *)key {
    
    if ([value isKindOfClass:[NSNumber class]]) {
        [self setValue:[NSString stringWithFormat:@"%@",value] forKey:key];
    } else if ([value isKindOfClass:[NSNull class]]) {
        [self setValue:nil forKey:key];
    } else {
        [super setValue:value forKey:key];
    }
}

- (void)setValue:(id)value forUndefinedKey:(NSString *)key {
    
    if ([key isEqualToString:@"description"]) {
        [self setValue:value forKey:@"myDescription"];
    } else {
        NSLog(@"未找到对应的key值：%@",key);
    }
}

- (id)valueForUndefinedKey:(NSString *)key {
    NSLog(@"未找到对应的key值：%@",key);
    return nil;
}

lzlGetLazying

- <# name #>{
    if (!_<# name #>) {
        _<# name #> = [[<# type #> alloc] init];
    }
    return _<# name #>;
}

lzlGetLogFuncation

NSLog(@"%s",__FUNCTION__);

lzlGetLogPrint

NSLog(@"¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥¥");

lzlGetLogXing

NSLog(@"******************************************************");

lzlGetMark

#pragma mark-

lzlGetPickerViewDelegate

- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
    
    return 1;
}

- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component {
    
    return 3;
}

- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component {
    
    return [NSString stringWithFormat:@"row number %ld",row];
}

- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component {
    
    self.myLabel.text = [NSString stringWithFormat:@"row number %ld",row];
}

lzlGetPopoview

@interface <#popoview#> ()

@property (nonatomic, strong) UIView * mainBGView;

@property (nonatomic, strong) UIView * contentBGView;

@property (nonatomic, strong) UIButton * closeButton;

@end

static <#popoview#> *<#_popoviewManager#> = nil;

@implementation <#popoview#>

- (instancetype)<#popoview#> {
    if (self == [super init]) {
        [self setupUI];
    }
    return self;
}

+ (instancetype)<#popoview#> {
    if (<#_popoviewManager#> == nil) {
        <#_popoviewManager#> = [[self alloc] <#popoview#>];
        <#_popoviewManager#>.frame = [UIScreen mainScreen].bounds;
        <#_popoviewManager#>.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.6];
        UIWindow *keyWindow = [ASKeyWindow keyWindow];
        [keyWindow addSubview:<#_popoviewManager#>];
    }
    return <#_popoviewManager#>;
}

- (void)setupUI {
    
    [self addSubview:self.mainBGView];
    [self.mainBGView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.center.mas_equalTo(self);
        make.size.mas_equalTo(CGSizeMake(780, 520));
    }];
    
    [self.mainBGView addSubview:self.contentBGView];
    [self.contentBGView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(self.mainBGView).offset(15);
        make.top.mas_equalTo(self.mainBGView).offset(15);
        make.right.mas_equalTo(self.mainBGView).offset(-15);
        make.bottom.mas_equalTo(self.mainBGView).offset(-15);
    }];
    
    [self.contentBGView addSubview:self.closeButton];
    [self.closeButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.mas_equalTo(self.contentBGView).offset(-11);
        make.top.mas_equalTo(self.contentBGView).offset(11);
        make.size.mas_equalTo(CGSizeMake(16.5, 16.5));
    }];
    
}

#pragma mark- function

+ (void)hiddenChangeTextbookOrCoursewarePopoView {
    
    [_changeTextbookOrCoursewarePopoViewManager removeFromSuperview];
    _changeTextbookOrCoursewarePopoViewManager = nil;
}

- (void)hiddenChangeTextbookOrCoursewarePopoView {
    
    [_changeTextbookOrCoursewarePopoViewManager removeFromSuperview];
    _changeTextbookOrCoursewarePopoViewManager = nil;
}

- (void)closeButtonAction {
    
    [self hiddenChangeTextbookOrCoursewarePopoView];
}

#pragma mark- lazying

- (UIView *)mainBGView {
    if (!_mainBGView) {
        _mainBGView = [[UIView alloc] init];
        _mainBGView.layer.cornerRadius = 15;
        _mainBGView.backgroundColor = KMainBorderColor;
    }
    return _mainBGView;
}

- (UIView *)contentBGView {
    if (!_contentBGView) {
        _contentBGView = [[UIView alloc] init];
        _contentBGView.layer.cornerRadius = 10;
        _contentBGView.backgroundColor = KMainBGViewColor;
    }
    return _contentBGView;
}

// 关闭弹窗
- (UIButton *)closeButton  {
    if (!_closeButton) {
        _closeButton = [UIButton buttonWithType:UIButtonTypeCustom];
        [_closeButton setImage:[UIImage imageNamed:@"live_room_popoview_close_img"] forState:UIControlStateNormal];
        [_closeButton addTarget:self action:@selector(closeButtonAction) forControlEvents:UIControlEventTouchUpInside];
    }
    return _closeButton;
}

lzlGetPrefixHeader_pch

// 项目通用配置头文件

#pragma mark-  APP
#define kAppBundleName       [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleName"]
#define kAppDisplayName   [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleDisplayName"]
#define kAppVersion    [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"]
#define kAppBundleVersion    [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"]
// 手机序列号  设备唯一标识符
#define kUUIDString  [[[UIDevice currentDevice] identifierForVendor] UUIDString]
// 手机别名： 用户定义的名称
#define kUserPhoneName     [[UIDevice currentDevice] name]
// 设备名称
#define kDeviceName     [[UIDevice currentDevice] systemName]
// 手机系统版本
#define kPhoneVersion     [[UIDevice currentDevice] systemVersion]
// 手机型号
#define kPhoneModel     [[UIDevice currentDevice] model]
// 地方型号  （国际化区域名称）
#define kLocalPhoneModel     [[UIDevice currentDevice] localizedModel]




#pragma mark- 日志打印输出

#ifdef DEBUG
#define ADLog(...) NSLog(__VA_ARGS__)
#else
#define ADLog(...) do {} while (0)
#endif

#ifdef DEBUG
#define DLog(...) NSLog(__VA_ARGS__)
#define debugMethod() NSLog(@"%s", __func__)
#else
#define DLog(...)
#define debugMethod()
#endif

/** 调试模式下输入NSLog，发布后不再输入  (打印信息包括 文件名 + 打印行数 + 打印方法 + 打印内容) */
#if DEBUG
#define Log(FORMAT, ...) fprintf(stderr, "\n----------------- NSLog start -----------------\n[文件名:%s] : [行号:%d]\n[函数名:%s]\n%s\n----------------- NSLog end -------------------\n", [[[NSString stringWithUTF8String: __FILE__] lastPathComponent] UTF8String], __LINE__, __PRETTY_FUNCTION__, [[NSString stringWithFormat: FORMAT, ## __VA_ARGS__] UTF8String]);
#else
#define Log(FORMAT, ...)
#define debugMethod()
#endif


#pragma mark-  https
#define HTTPS_MACRO 1
#define sHttp      HTTPS_MACRO ? @"https" : @"http"
#define sPort      HTTPS_MACRO ? @"443"   : @"80"
#define isHTTPS    HTTPS_MACRO ? @"YES"   : @"NO"


#pragma mark-  色值设置
#define RGBColor(rgb) ([[UIColor alloc] initWithRed:(((rgb >> 16) & 0xff) / 255.0f) green:(((rgb >> 8) & 0xff) / 255.0f) blue:(((rgb) & 0xff) / 255.0f) alpha:1.0f])
#define RGBAColor(rgb,a) ([[UIColor alloc] initWithRed:(((rgb >> 16) & 0xff) / 255.0f) green:(((rgb >> 8) & 0xff) / 255.0f) blue:(((rgb) & 0xff) / 255.0f) alpha:a])
#define HexRGBColor(rgbValue) [UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 green:((float)((rgbValue & 0xFF00) >> 8))/255.0 blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]
#define RGB(r, g, b) [UIColor colorWithRed:((r) / 255.0) green:((g) / 255.0) blue:((b) / 255.0) alpha:1.0]
#define RGBA(r, g, b, a) [UIColor colorWithRed:((r) / 255.0) green:((g) / 255.0) blue:((b) / 255.0) alpha:(a)]
#define rgba(r, g, b, a) [UIColor colorWithRed:((r) / 255.0) green:((g) / 255.0) blue:((b) / 255.0) alpha:(a)]



#pragma mark-  屏幕 尺寸
#define ScreenH [UIScreen mainScreen].bounds.size.height
#define ScreenW [UIScreen mainScreen].bounds.size.width


#pragma mark- iPhone iPad iPhone_X的判断
#define IS_IPHONE ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPhone)
#define IS_IPHONE_X ((ScreenW == 812.0f) ? YES : NO)
#define IS_IPAD ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad)


#pragma mark-  导航栏高度
#define ADNavHeight (IS_IPHONE ? 45 : 60)


#pragma mark-  屏幕比例，相对pad 1024 * 768
#define Proportion (ScreenH/768.0)


#pragma mark-  系统判定
#define iOS7 ([[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0)
#define iOS7Later ([UIDevice currentDevice].systemVersion.floatValue >= 7.0f)
#define iOS8Later ([UIDevice currentDevice].systemVersion.floatValue >= 8.0f)
#define iOS9Later ([UIDevice currentDevice].systemVersion.floatValue >= 9.0f)
#define iOS9_1Later ([UIDevice currentDevice].systemVersion.floatValue >= 9.1f)
#define iOS10_0Later ([UIDevice currentDevice].systemVersion.floatValue >= 10.0f)


#pragma mark-  引用
#define ad_weakify(var)   __weak typeof(var) weakSelf = var
#define ad_strongify(var) __strong typeof(var) strongSelf = var


#pragma mark- 字符串判断
#define ISSTRINGCLASS(IPHONESTR) ([[IPHONESTR class] isSubclassOfClass:[NSString class]] ? YES:NO) // 是否字符串
#define NOTNILSTRING(IPHONESTR) ((ISSTRINGCLASS(IPHONESTR) == YES) ? IPHONESTR:@"") // 如果不是字符串则设为空字符串
#define NOTNILSTRINGTOSTR(IPHONESTR,ToStr) ((ISSTRINGCLASS(IPHONESTR) == YES) ? IPHONESTR:ToStr)//如果不是字符串则设为指定字符串


#pragma mark - 适配处理
/** 屏幕宽高 */
#define kScreenSize           ([UIScreen mainScreen].bounds.size)
#define kScreenWidth          ([UIScreen mainScreen].bounds.size.width)
#define kScreenHeight         ([UIScreen mainScreen].bounds.size.height)

/** 相当于4.7屏幕的比例 */
#define kGlobalRate            ([UIScreen mainScreen].bounds.size.width/375.0f)
#define kGlobalRate1            ([UIScreen mainScreen].bounds.size.width/375.0f/2)
#define kPictureBookWidthScale ([UIScreen mainScreen].bounds.size.width/667.0f)
#define kPictureBookWScale (kScreenHeight/812.0f)
#define kPictureBookHScale (kScreenWidth/812.0f)

/** 状态栏高度 */
#define kStatusBarHeight      ([[UIApplication sharedApplication] statusBarFrame].size.height)

/** 导航栏高度 */
#define kNavBarHeight         44.0

/** 底部导航栏高度 */
#define kTabBarHeight         ([[UIApplication sharedApplication] statusBarFrame].size.height > 20 ? 83 : 49)

/** 顶部视图高度    导航栏加状态栏高度*/
#define kTopHeight            (kStatusBarHeight + kNavBarHeight)

/** 距离底部安全区域高度 */
#define kSafeAreaBottomHeight (kStatusBarHeight > 20 ? 34 : 0)


#pragma mark - 快捷设置
#define kSetFrameY(view, newY) view.frame = CGRectMake(view.frame.origin.x, newY, view.frame.size.width, view.frame.size.height)
#define kSetFrameX(view, newX) view.frame = CGRectMake(newX, view.frame.origin.y, view.frame.size.width, view.frame.size.height)
#define kSetFrameH(view, newH) view.frame = CGRectMake(view.frame.origin.x, view.frame.origin.y, view.frame.size.width, newH)
#define kSetFrameW(view, newW) view.frame = CGRectMake(view.frame.origin.x, view.frame.origin.y, newW, view.frame.size.height)

lzlGetScreenWidthAndHight

#define ScreenW  [UIScreen mainScreen].bounds.size.width
#define ScreenH  [UIScreen mainScreen].bounds.size.height

lzlGetScrollViewDelegate

#pragma mark- UIScrollViewDelegate

// 准备开始拖拽
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {
    
    NSLog(@"scrollViewWillBeginDragging");
}

// 准备停止拖拽
- (void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset {
    
    NSLog(@"scrollViewWillEndDragging");
}

// 已经停止拖拽
- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate {
    
    NSLog(@"scrollViewDidEndDragging");
}

// 准备开始减速
- (void)scrollViewWillBeginDecelerating:(UIScrollView *)scrollView {
    
    NSLog(@"scrollViewWillBeginDecelerating");
}

//已经停止减速
- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
    
    NSLog(@"偏移量为%@",NSStringFromCGPoint(scrollView.contentOffset));
    NSLog(@"scrollViewDidEndDecelerating");
}

// 滚动过程中一直调用的代理方法
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
    
    //    NSLog(@"偏移量为%@",NSStringFromCGPoint(scrollView.contentOffset));
    //    NSLog(@"scrollViewDidScroll");
}

// 允许点击状态栏滑动到顶部
- (BOOL)scrollViewShouldScrollToTop:(UIScrollView *)scrollView {
    
    return YES;
}

// 已经滑动到顶部
- (void)scrollViewDidScrollToTop:(UIScrollView *)scrollView {
    
    //NSLog(@"scrollViewDidScrollToTop");
    UIAlertController *alertCTL = [UIAlertController alertControllerWithTitle:@"温馨提示" message:@"已经滑到最顶" preferredStyle:UIAlertControllerStyleAlert];
    
    UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
    UIAlertAction *okAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:nil];
    [alertCTL addAction:cancelAction];
    [alertCTL addAction:okAction];
    [self presentViewController:alertCTL animated:YES completion:nil];
}

lzlGetSessionDataDelegate

#pragma mark - 

// 1.接收到服务器的响应
- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveResponse:(NSURLResponse *)response completionHandler:(void (^)(NSURLSessionResponseDisposition))completionHandler {
    
    NSLog(@"%s", __func__);
    // 允许处理服务器的响应，才会继续接收服务器返回的数据
    completionHandler(NSURLSessionResponseAllow);
    // void (^)(NSURLSessionResponseDisposition)
}

// 2.接收到服务器的数据（可能会被调用多次）
- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveData:(NSData *)data {
    
    NSLog(@"%s", __func__);
}

//  3.请求成功或者失败（如果失败，error有值）
- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didCompleteWithError:(NSError *)error {
    
    NSLog(@"%s", __func__);
}

lzlGetSessionDownloadDelegate

#pragma mark - 

- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didCompleteWithError:(NSError *)error {
    
    NSLog(@"didCompleteWithError");
}

- (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask didResumeAtOffset:(int64_t)fileOffset expectedTotalBytes:(int64_t)expectedTotalBytes {
    
    NSLog(@"didResumeAtOffset");
}

/**
 * 每当写入数据到临时文件时，就会调用一次这个方法
 * totalBytesExpectedToWrite:总大小
 * totalBytesWritten: 已经写入的大小
 * bytesWritten: 这次写入多少
 */
- (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask didWriteData:(int64_t)bytesWritten totalBytesWritten:(int64_t)totalBytesWritten totalBytesExpectedToWrite:(int64_t)totalBytesExpectedToWrite {
    
    NSLog(@"--------%f", 1.0 * totalBytesWritten / totalBytesExpectedToWrite);
}

// 下载完毕就会调用一次这个方法
- (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask didFinishDownloadingToURL:(NSURL *)location {
    
    // 文件将来存放的真实路径
    NSString *file = [[NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject] stringByAppendingPathComponent:downloadTask.response.suggestedFilename];
    
    // 剪切location的临时文件到真实路径
    NSFileManager *mgr = [NSFileManager defaultManager];
    [mgr moveItemAtURL:location toURL:[NSURL fileURLWithPath:file] error:nil];
}

lzlGetSetupUI

- (void)setupUI {
    
}

lzlGetSingleton

static id _instance = nil;

+ (instancetype)sharedInstance {
    
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        _instance = [[self alloc] init];
    });
    return _instance;
}

+ (instancetype)allocWithZone:(struct _NSZone *)zone {
    
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        _instance = [super allocWithZone:zone];
    });
    return _instance;
}

- (id)copyWithZone:(NSZone *)zone {
    
    return _instance;
}

#if __has_feature(objc_arc)
// 编译器是ARC环境
#else
// 编译器是MRC环境

- (oneway void)release {
    
}

- (instancetype)retain {
    
    return self;
}

- (instancetype)autorelease {
    
    return self;
}

- (NSUInteger)retainCount {
    
    return 1;
}

#endif

lzlGetSizeAttributedText

/// 计算带有行间距的文字的Size
/// @param text 传入的文字内容
/// @param font 字体大小
/// @param maxSize 最大显示尺寸
/// @param lineSpacing 设置行间距
/// @param kernAttributeName 设置字间距
- (CGSize)sizeAttributedTextWithText:(NSString *)text font:(UIFont *)font maxSize:(CGSize)maxSize lineSpacing:(CGFloat)lineSpacing kernAttributeName:(CGFloat)kernAttributeName {
    
    NSMutableParagraphStyle *paragraStyle = [[NSMutableParagraphStyle alloc] init];
    paragraStyle.lineBreakMode = NSLineBreakByCharWrapping;
    paragraStyle.alignment = NSTextAlignmentLeft;
    paragraStyle.lineSpacing = lineSpacing; // 设置行间距
    paragraStyle.hyphenationFactor = 1.0;
    paragraStyle.firstLineHeadIndent = 0.0;
    paragraStyle.paragraphSpacingBefore = 0.0;
    paragraStyle.headIndent = 0;
    paragraStyle.tailIndent = 0;
    // 设置字间距 NSKernAttributeName: @1.5f,
    NSDictionary *dic = @{
        NSFontAttributeName:font,
        NSParagraphStyleAttributeName:paragraStyle,
        NSKernAttributeName: @(kernAttributeName),
    };
    
    CGSize size = [text boundingRectWithSize:maxSize options:NSStringDrawingUsesLineFragmentOrigin attributes:dic context:nil].size;
    return size;
}

lzlGetSizeWithText

/// 计算文字尺寸
/// @param text 需要计算文字的尺寸
/// @param font 文字的字体
/// @param maxSize 文字的最大尺寸
- (CGSize)sizeWithText:(NSString *)text font:(UIFont *)font maxSize:(CGSize)maxSize {
    
    NSDictionary *attrs = @{NSFontAttributeName : font};
    return [text boundingRectWithSize:maxSize options:NSStringDrawingUsesLineFragmentOrigin attributes:attrs context:nil].size;
}

lzlGetTableViewDelegate

#pragma mark- UITableView代理

// 返回组数
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    
    return 3;
}

// 返回行数
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    
    return 3;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    
    //复用的形式创建
    static NSString * const ID = @"cell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID];
    
    if (!cell) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"cell"];
    }
    
    cell.textLabel.text = @"大家好";
    
    return cell;
}

// 返回组头高度
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
    
    return 30;
}

// 自定义组头视图（必须要返回组头高度）
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
    
    UIButton *b = [UIButton buttonWithType:UIButtonTypeSystem];
    [b setTitle:[NSString stringWithFormat:@"第%ld组组头",section] forState:UIControlStateNormal];
    b.backgroundColor = [UIColor orangeColor];
    //返回视图的高度一般要与组头高度一致
    b.frame = CGRectMake(0, 0, self.view.frame.size.width, 30);
    
    return b;
}

// 返回组尾高度
- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section {
    
    return 30;
}

// 自定义组尾视图（必须要返回高度）
- (UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section {
    
    UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 30)];
    view.backgroundColor = [UIColor blackColor];
    
    return view;
}

lzlGetTextFieldDelegate

#pragma mark- UITextFieldDelegate

// 准备进入编辑状态
- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField {
    
    NSLog(@"%p",textField);
    //返回NO，无法进入编辑状态
    return YES;
}

// 已经进入编辑状态
- (void)textFieldDidBeginEditing:(UITextField *)textField {
    
}

// 准备结束编辑状态
- (BOOL)textFieldShouldEndEditing:(UITextField *)textField {
    
    NSLog(@"textFieldShouldEndEditing:%@",textField.text);
    //返回NO，无法结束编辑状态
    return YES;
}

// 已经结束编辑状态
- (void)textFieldDidEndEditing:(UITextField *)textField {
    
}

// 是否可以点击清理按钮
-(BOOL)textFieldShouldClear:(UITextField *)textField {
    
    //返回NO，点击clear按钮无响应
    return YES;
}

// 是否可以点击return按钮(无效)
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
    
    //收键盘
    //移除第一响应者
    [textField resignFirstResponder];
    return YES;
}

// 是否允许修改内容
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
    //string
    NSLog(@"string = %@",string);

    //textField上面的内容
    NSLog(@"textField.text = %@",textField.text);
    /*
     if ([string isEqualToString:@"h"]) {
     return NO;
     }*/
    if (textField.text.length >= 6) {

        if ([string isEqualToString:@""]) {
            return YES;
        }
        return NO;
    }
    return YES;
}

//- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
//
//    return [self validateNumber:string];
//}
//
//- (BOOL)validateNumber:(NSString*)number {
//
//    BOOL res = YES;
//    NSCharacterSet* tmpSet = [NSCharacterSet characterSetWithCharactersInString:@"0123456789"];
//    int i = 0;
//    while (i < number.length) {
//        NSString * string = [number substringWithRange:NSMakeRange(i, 1)];
//        NSRange range = [string rangeOfCharacterFromSet:tmpSet];
//        if (range.length == 0) {
//            res = NO;
//            break;
//        }
//        i++;
//    }
//    return res;
//}
//
//#define NUMBERS @"0123456789"
//- (BOOL)textField:(UITextField*)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString*)string {
//
//    NSCharacterSet*cs;
//    cs = [[NSCharacterSet characterSetWithCharactersInString:NUMBERS] invertedSet];
//    NSString*filtered = [[string componentsSeparatedByCharactersInSet:cs] componentsJoinedByString:@""];
//    BOOL basicTest = [string isEqualToString:filtered];
//    if(!basicTest) {
//
//        UIAlertController *alertCTL = [UIAlertController alertControllerWithTitle:@"温馨提示" message:@"请输入数字!" preferredStyle:UIAlertControllerStyleAlert];
//
//        UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
//        UIAlertAction *okAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:nil];
//        [alertCTL addAction:cancelAction];
//        [alertCTL addAction:okAction];
//        [self presentViewController:alertCTL animated:YES completion:nil];
//
//        return NO;
//    }
//    return YES;
//}

lzlGetTypeProperty

@property (nonatomic, <# type #>) <# type #> * <# name #>;

lzlGetWeakSelf

__weak typeof(self) weakSelf = self;

lzlGetWebViewDelegate

#pragma mark - 

- (void)webViewDidFinishLoad:(UIWebView *)webView {
    
    self.backItem.enabled = webView.canGoBack;
    self.forward.enabled = webView.canGoForward;
}

- (void)webViewDidStartLoad:(UIWebView *)webView {
    
}

- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {
        
    self.backItem.enabled = webView.canGoBack;
    self.forward.enabled = webView.canGoForward;
}

/**
 * 每当webView即将发送一个请求之前，都会调用这个方法
 * 返回YES：允许加载这个请求
 * 返回NO：禁止加载这个请求
 */
- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {
    
    //    NSLog(@"%@", request.URL);
    if ([request.URL.absoluteString containsString:@"life"]) return NO;
    
    // JS  JavaScript
    return YES;
}

lzlGetWindow

self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
self.window.backgroundColor = [UIColor whiteColor];
[self.window makeKeyAndVisible];

self.window.rootViewController = [[UINavigationController alloc] initWithRootViewController:[[LZLViewController alloc] init]];

lzlGetAddScrollView

CGFloat viewMargin = 88;
    
    [self.view addSubview:self.scrollView];
    [self.scrollView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.mas_equalTo(self.view).offset(viewMargin);
        make.left.right.bottom.mas_equalTo(self.view);
    }];
    
    [self.scrollView addSubview:self.contentBGView];
    [self.contentBGView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(self.scrollView);
        make.width.equalTo(self.scrollView);
    }];
    
    [self.contentBGView addSubview:self.mainBGView];
    [self.mainBGView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(self.contentBGView).offset(viewMargin);
        make.right.mas_equalTo(self.contentBGView).offset(-viewMargin);
        make.top.mas_equalTo(self.contentBGView);
        make.height.mas_equalTo(941);
        make.bottom.mas_equalTo(self.scrollView).with.offset(-20);
    }];

lzlGetCategoryRunTime

#import "ADNewViewController+ADFunction.h"
#import 

typedef void (^blockOperation)(BOOL isVip);

@interface ADNewViewController (ADFunction)

/// 回调信息
@property (nonatomic, copy) blockOperation blockOt;

/// 是否VIP用户
@property (nonatomic, assign) BOOL isVip;

/// 用户信息
@property (nonatomic, copy) NSString * userMessage;

/// 图片的尺寸大小
@property (nonatomic, assign) CGSize imageSize;

/// 改变背景颜色
- (void)changeBackgroudViewColor;

@end

static void *kADIsVipUserKey = @"kADIsVipUserKey";  // 是否VIP用户
static void *kADUserMessageKey = @"kADUserMessageKey";  // 用户信息
static void *kADBlockOperationKey = @"kADBlockOperationKey";  // 回调信息
static void *kADImageSizeKey = @"kADImageSizeKey";  // 图片的尺寸大小

@implementation ADNewViewController (ADFunction)

- (void)changeBackgroudViewColor {
    
    self.isVip = !self.isVip;
    
    if (self.isVip) {
        self.view.backgroundColor = [UIColor redColor];
        self.imageSize = CGSizeMake(400, 400);
        self.userMessage = @"是VIP用户啊";
    } else {
        self.view.backgroundColor = [UIColor yellowColor];
        self.imageSize = CGSizeMake(200, 200);
        self.userMessage = @"是普通用户";
    }
    
    if (self.blockOt) {
        self.blockOt(self.isVip);
    }
}

#pragma mark- objc/runtime

// 回调信息
- (void)setBlockOt:(blockOperation)blockOt {
    objc_setAssociatedObject(self, kADBlockOperationKey, blockOt, OBJC_ASSOCIATION_COPY);
}
- (blockOperation)blockOt {
    return objc_getAssociatedObject(self, kADBlockOperationKey);
}

// 是否VIP用户
- (void)setIsVip:(BOOL)isVip {
    objc_setAssociatedObject(self, kADIsVipUserKey, @(isVip), OBJC_ASSOCIATION_RETAIN);
}
- (BOOL)isVip {
    return [objc_getAssociatedObject(self, kADIsVipUserKey) boolValue];
}

// 用户信息
- (void)setUserMessage:(NSString *)userMessage {
    objc_setAssociatedObject(self, kADIsVipUserKey, userMessage, OBJC_ASSOCIATION_RETAIN);
}
- (NSString *)userMessage {
    return objc_getAssociatedObject(self, kADUserMessageKey);
}

// 图片的尺寸大小
- (void)setImageSize:(CGSize)imageSize {
    objc_setAssociatedObject(self, kADImageSizeKey, [NSValue valueWithCGSize:imageSize], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
- (CGSize)imageSize {
    NSValue *value = objc_getAssociatedObject(self, kADImageSizeKey);
    return value.CGSizeValue;
}

lzlGetPodfile

platform :ios,'<# vision #>'
    target "<# projectName #>" do

       pod 'Masonry'

    end

lzlGetAddTableViewCellHeader

+ (NSString *)cellIdentifier;

+ (instancetype)cellWithTableView:(UITableView *)tableView indexPath:(NSIndexPath *)indexPath;

lzlGetAddTableViewCell

+ (NSString *)cellIdentifier {
    static NSString *ID = @"<# cellIdentifier #>";
    return ID;
}

+ (instancetype)cellWithTableView:(UITableView *)tableView indexPath:(NSIndexPath *)indexPath {
    
    <# ADTableViewCell #> *cell = [tableView dequeueReusableCellWithIdentifier:[<# ADTableViewCell #> cellIdentifier] forIndexPath:indexPath];
    if (!cell) {
        cell = [[self alloc] initWithStyle:<# UITableViewCellStyleDefault #> reuseIdentifier:[<# ADTableViewCell #> cellIdentifier]];
    }
    
    return cell;
}

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
    
    if (self == [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
        
        [self setupUI];
    }
    return self;
}

- (void)setupUI {
    
    
}

lzlGetAddCollectionViewCellHeader

+ (NSString *)cellIdentifier;

+ (instancetype)cellWithCollectionView:(UICollectionView *)collectionView indexPath:(NSIndexPath *)indexPath;

lzlGetAddCollectionViewCell

+ (NSString *)cellIdentifier {
    static NSString *ID = @"<# cellIdentifier #>";
    return ID;
}

+ (instancetype)cellWithCollectionView:(UICollectionView *)collectionView indexPath:(NSIndexPath *)indexPath {
    
    <# ADCollectionViewCell #> *cell = [collectionView dequeueReusableCellWithReuseIdentifier:[<# ADCollectionViewCell #> cellIdentifier] forIndexPath:indexPath];
    if (!cell) {
        cell = [[self alloc] initWithFrame:CGRectZero];
    }
    return cell;
}

- (instancetype)initWithFrame:(CGRect)frame {
    
    if (self == [super initWithFrame:frame]) {
        
        [self setupUI];
    }
    return self;
}

- (void) setupUI {
    
    
}

lzlGetCurrentViewController

#pragma mark -获取当前屏幕显示的ViewController

- (UIViewController *)getCurrentViewController {
    
    UIViewController *rootViewController = [UIApplication sharedApplication].keyWindow.rootViewController;
    UIViewController *currentViewController = [self getCurrentViewControllerFromRootViewController:rootViewController];

    return currentViewController;
}

- (UIViewController *)getCurrentViewControllerFromRootViewController:(UIViewController *)rootViewController {
    
    UIViewController *currentViewController;
    if ([rootViewController presentedViewController]) {
        rootViewController = [rootViewController presentedViewController];
    }
    
    if ([rootViewController isKindOfClass:[UITabBarController class]]) {
        currentViewController = [self getCurrentViewControllerFromRootViewController:[(UITabBarController *)rootViewController selectedViewController]];
    } else if ([rootViewController isKindOfClass:[UINavigationController class]]) {
        currentViewController = [self getCurrentViewControllerFromRootViewController:[(UINavigationController *)rootViewController visibleViewController]];
    } else {
        currentViewController = rootViewController;
    }
    return currentViewController;
}

lzlGetStringWidth

/// 计算字符串长度
/// @param string string
/// @param font font
- (CGFloat)getWidthWithString:(NSString *)string font:(UIFont *)font {
    NSDictionary *attrs = @{NSFontAttributeName : font};
    return [string boundingRectWithSize:CGSizeMake(0, 0) options:NSStringDrawingUsesLineFragmentOrigin attributes:attrs context:nil].size.width;
}

lzlGetRandomColor

/// 随机色
- (UIColor*) randomColor {
    NSInteger r = arc4random() % 255;
    NSInteger g = arc4random() % 255;
    NSInteger b = arc4random() % 255;
    return [UIColor colorWithRed:r / 255.0 green:g / 255.0 blue:b / 255.0 alpha:1];
}

lzlGetBezierPath

UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:<#CGRect#> byRoundingCorners:UIRectCornerAllCorners cornerRadii:<#CGSize#>];
CAShapeLayer *layer = [[CAShapeLayer alloc] init];
layer.frame = <#CGRect#>;
layer.path = path.CGPath;
<#propertyName#>.layer.mask = layer;