CG-L 的技术博客

#import <Foundation/Foundation.h>@interface NSString (Path)- (NSString *)appendDocument;- (NSString *)appendCache;- (NSString *)appendTmp;@end#import "NSString+Path.h"@implementation NSString (Path

#import <Foundation/Foundation.h>@interface NSString (checkNumOrPW)//正则匹配手机号+ (BOOL)checkTelNumber:(NSString *) telNumber;//正则匹配用户密码6-20位数字、字母和下划线三选二组合+ (BOOL)checkPassword:(NSString *) password;/

// 开启倒计时效果（将此方法在按钮点击事件中执行）- (void)openCountdown { //倒计时时间 __block NSInteger time = 59; dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); dispatch_s

#import #import "FMDatabase.h"@interface FMDBManager : NSObject@property (nonatomic,retain)FMDatabase *dataBase;//建购物车的表- (void)createShopCarTable;//加对象- (BOOL)insertShopCar:(CGGoodsListBasic

用 cocoapod 下载图表库：pod “PNChart”#import "ViewController.h"#import "CorePlot-CocoaTouch.h"#import "PNChartDelegate.h"#import "PNChart.h"#define ARC4RANDOM_MAX 0x100000000@interface ViewController ()<P

核心代码句：[self.webView loadHTMLString:[NSString stringWithFormat:@"<此处填写要加载的路径或者地址>"] baseURL:nil];给 html 字符串代码添加字符，可以用替换的思想进行添加//此 html 代码中原有的语句是：“/images/upload/Image/asdfasfdasdfpic.jpg”，我们要加上“http://w

#import <UIKit/UIKit.h>@interface BRPlaceholderTextView : UITextView@property(copy,nonatomic) NSString *placeholder;@property(strong,nonatomic) NSIndexPath * indexPath;//最大长度设置@property(assign,nonat

//计算距离现在的时间+ (NSString *)compareCurrentTime:(NSString *)str { //把字符串转为NSdate NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"yyyy-MM-dd HH:m

@property (weak, nonatomic) IBOutlet UIButton *constellationBtn;@property (nonatomic,strong) UIView *pickerMainView;@property (nonatomic,strong)UIPickerView *pickerView;//自定义pickerview@property (non

NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithString:@"Using NSAttributed String，try your best to test attributed string text"]; [str addAttribute:NSForegroundColorAttr

#import <Foundation/Foundation.h>@interface NSString (StringSize)/** *返回值是该字符串所占的大小(width, height) *font : 该字符串所用的字体(字体大小不一样,显示出来的面积也不同) *maxSize : 为限制改字体的最大宽和高(如果显示一行,则宽高都设置为MAXFLOAT, 如果显示为多行,只需将宽

#import <UIKit/UIKit.h>@interface UIImage (compressImage)//对图片尺寸进行压缩--+(UIImage*)imageWithImage:(UIImage*)image scaledToSize:(CGSize)newSize;@end#import "UIImage+compressImage.h"@implementation UIIm

@property (nonatomic,strong) NSMutableArray *images;@property (nonatomic,strong) UIScrollView *scrollView;@property (nonatomic,strong) UILabel *countLB;#pragma mark - 点击图片放大//点击显示大图- (void)clickToB

集成 Charts 框架：http://www.th7.cn/Program/IOS/201610/978760.shtml 还要另外集成 Masonry 框架使用举例：折线图：@interface LineViewController ()<ChartViewDelegate>@property (nonatomic,strong) LineChartView *LineChartView;

#import <UIKit/UIKit.h>//取消按钮点击事件typedef void(^cancelBlock)();//确定按钮点击事件typedef void(^sureBlock)();@protocol MyAlterViewDelegate <NSObject>@optional- (void)clickCancelButton;- (void)clickContinueB

#import <UIKit/UIKit.h>@interface AuthcodeView : UIView//字符素材数组@property (strong, nonatomic) NSArray *dataArray;//验证码字符串@property (strong, nonatomic) NSMutableString *authCodeStr;@end#import "Auth

#import @interface DownLoadImageManager : NSObject+ (instancetype)shareManager;- (void)downloadOperationWithURLString:(NSString *)URLString finish:(void(^)(UIImage *image))finsh;- (void)cancelDo

#import @interface NSObject (PropertyList)// 通过一个字典创建一个模型+ (instancetype)objWithDict:(NSDictionary *)dict;@end#import "NSObject+PropertyList.h"#import @implementation NSObject (PropertyLis

#import @interface NSArray (Safe)@end#import "NSArray+Safe.h"#import @implementation NSArray (Safe)//这个方法无论如何都会执行+ (void)load { // 选择器 SEL safeSel = @selector(safeObjectAtIndex:);

快速获取控件 frame 值

.h@interface UIImage (XXXXExp)/** * 拉伸图片 * * @return 返回拉伸后的图片 */- (UIImage *)stretchableImage;@end.m@implementation UIImage (XXXXExp)- (UIImage *)stretchableImage {// 只要点不在圆角范围就可以 return

.h#import <UIKit/UIKit.h>@interface UIView (CZXib)+ (instancetype)viewFromXib;+ (instancetype)viewFromXibName:(NSString *)name;@end.m#import "UIView+CZXib.h"@implementation UIView (CZXib)+ (instance

#define CZColor(r,g,b,a) [UIColor colorWithRed:r / 255.0 green:g / 255.0 blue:b / 255.0 alpha:a]

#import "CZTool.h"#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading th

#import <Foundation/Foundation.h>@interface NSObject (Log)@end@interface NSArray (Log)@end@interface NSDictionary (Log)@end#import <UIKit/UIKit.h>#import "NSObject+Log.h"#import <objc/runtime.h>@

#import <Foundation/Foundation.h>@interface NSString (Base64)// 加密- (NSString *)base64Encode;// 解密- (NSString *)base64Decode;@end#import "NSString+Base64.h"@implementation NSString (Base64)// 对文本进

#import <Foundation/Foundation.h>@interface NSString (Hash)#pragma mark - 散列函数/** * 计算MD5散列结果 * * 终端测试命令： * @code * md5 -s "string" * @endcode * * <p>提示：随着 MD5 碰撞生成器的出现，MD5 算法不应被用于任何软件完整

#import <Foundation/Foundation.h>@interface NSString (RegularExpression)/** * 匹配第一个符合正则语法的结果, 返回匹配的结果(字符串) * * @param pattern 正则语法 * * @return 返回第一个匹配的字符串, 如果没有则返回nil */- (NSString *)firstMat

#import <UIKit/UIKit.h>@interface SevenSwitch : UIControl@property (nonatomic, assign) BOOL on;@property (nonatomic, strong) UIColor *inactiveColor;@property (nonatomic, strong) UIColor *activeColo

#import <Foundation/Foundation.h>#import "AFNetworking.h"typedef void(^NetworkingSuccess)(id response);typedef void(^NetworkingFail)(NSError *error);@interface NetworkingTools : NSObject+ (void)post