常用宏
- @property
#define PropertyStrong(ClassType,instance) @property (nonatomic,strong) ClassType *instance;
#define PropertyWeak(ClassType,instance) @property (nonatomic,weak) ClassType *instance;
#define PropertyAssign(DataType,data) @property (nonatomic,assign) DataType data;
#define PropertyString(string) @property (nonatomic,copy) NSString *string;
#define PropertyCopy(ClassType,varname) @property (nonatomic,copy) ClassType varname;
- 手机屏幕相关
#define KScreenWidth [UIScreen mainScreen].bounds.size.width
#define KScreenHeigth [UIScreen mainScreen].bounds.size.height
#define SCREEN_NATIVE_HEIGHT ([[UIScreen mainScreen] nativeBounds].size.height)
#define SCREEN_NATIVE_SCALE ([[UIScreen mainScreen] nativeScale])
#define SCREEN_REAL_HEIGHT (SCREEN_NATIVE_HEIGHT/SCREEN_NATIVE_SCALE)
#define IS_IPHONE_X (SCREEN_REAL_HEIGHT >=812.f? YES : NO)
#define StateHeight (((IS_IPHONE_X ) == (YES))?(44.0): (20.0))
#define NavigateHeight (((IS_IPHONE_X ) == (YES))?(88.0): (64.0))
#define TabbarHeight (((IS_IPHONE_X ) == (YES))?(83.0): (49.0))
- 颜色
#define RGBCOLOR(r,g,b) [UIColor colorWithRed:(r)/255.0fgreen:(g)/255.0fblue:(b)/255.0falpha:1]
#define RGBACOLOR(r,g,b,a) [UIColor colorWithRed:(r)/255.0fgreen:(g)/255.0fblue:(b)/255.0falpha:(a)]
#define UIColorFromRGB(rgbValue) [UIColor colorWithRed:((float)((rgbValue &0xFF0000) >>16))/255.0green:((float)((rgbValue &0xFF00) >>8))/255.0blue:((float)(rgbValue &0xFF))/255.0alpha:1.0]
#define UIColorFromRGBA(rgbValue, alphaValue) [UIColor colorWithRed:((float)((rgbValue &0xFF0000) >>16))/255.0green:((float)((rgbValue &0x00FF00) >>8))/255.0blue:((float)(rgbValue &0x0000FF))/255.0alpha:alphaValue]
#define SharedApplication [UIApplication sharedApplication]
#define ApplicationDelegate ((AppDelegate *)[[UIApplication sharedApplication] delegate])
#define kKeyWindow [UIApplication sharedApplication].keyWindow
#define GetImage(imageName) [UIImage imageNamed:[NSString stringWithFormat:@"%@",imageName]]
#define String(str) [NSString stringWithFormat:@"%@",str]
//沙盒路径
#define MapPath [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject] stringByAppendingPathComponent:@"MapPath"]
简易方法
1. //字符串判空
+(BOOL) isEmpty:(NSString*) str{
if([strisEqual:[NSNullnull]]) {
returnYES;
}
if(str ==nil|| str ==NULL) {
returnYES;
}
if ([[str stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] length]==0) {
returnYES;
}
return NO;
}
2. //判断字典是否为空
+ (BOOL)isBlankDictionary:(NSDictionary*)dic{
if(!dic) {
returnYES;
}
if ([dic isKindOfClass:[NSNull class]]) {
returnYES;
}
if (![dic isKindOfClass:[NSDictionary class]]) {
returnYES;
}
if(!dic.count) {
returnYES;
}
if(dic ==nil) {
returnYES;
}
if(dic ==NULL) {
returnYES;
}
return NO;
}
3.//打开外链url
+ (void)openWebUrl:(NSString*)url{
if ([CommonUtils isEmpty:url]) {
return;
}
// 中文传输需要进行转义
url = [urlstringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
NSURL *webUrl = [NSURL URLWithString:url];
if([SharedApplication canOpenURL:webUrl]){
[SharedApplicationopenURL:webUrl];
}
}
4.// 拨打电话
+ (void)callPhone:(NSString*)phoneNum {
if(phoneNum.length==0) {
return;
}
NSString*callPhone = [NSStringstringWithFormat:@"telprompt://%@", phoneNum];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
dispatch_async(dispatch_get_main_queue(), ^{
[lhw_microopenWebUrl:callPhone];
});
});
}
5.//传入文字、大小、宽度,返回文字高度
+ (CGFloat)countTextHeightWith:(NSString*)text withTextFont:(NSInteger)count withWidth:(CGFloat)width{
NSDictionary *attributes = @{NSFontAttributeName: [UIFont systemFontOfSize:count]};
CGRect rect = [String(text) boundingRectWithSize:CGSizeMake(width, CGFLOAT_MAX)
options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading
attributes:attributes
context:nil];
CGFloatheight =ceil(rect.size.height)+1;
returnheight;
}
6.//根据高度度求宽度 text 计算的内容 Height 计算的高度 font字体大小
+ (CGFloat)getWidthWithText:(NSString*)text height:(CGFloat)height font:(CGFloat)font{
CGRect rect = [text boundingRectWithSize:CGSizeMake(MAXFLOAT, height)
options:NSStringDrawingUsesLineFragmentOrigin
attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:font]}
context:nil];
return rect.size.width;
}
7.//颜色
+ (UIColor*)colorWithHex:(NSString*)string
{
NSString *cleanString = [string stringByReplacingOccurrencesOfString:@"#" withString:@""];
if([cleanStringlength] ==3) {
cleanString = [NSStringstringWithFormat:@"%@%@%@%@%@%@",
[cleanStringsubstringWithRange:NSMakeRange(0,1)],[cleanStringsubstringWithRange:NSMakeRange(0,1)],
[cleanStringsubstringWithRange:NSMakeRange(1,1)],[cleanStringsubstringWithRange:NSMakeRange(1,1)],
[cleanStringsubstringWithRange:NSMakeRange(2,1)],[cleanStringsubstringWithRange:NSMakeRange(2,1)]];
}
if([cleanStringlength] ==6) {
cleanString = [cleanStringstringByAppendingString:@"ff"];
}
unsignedintbaseValue;
[[NSScanner scannerWithString:cleanString] scanHexInt:&baseValue];
floatred = ((baseValue >>24) &0xFF)/255.0f;
floatgreen = ((baseValue >>16) &0xFF)/255.0f;
floatblue = ((baseValue >>8) &0xFF)/255.0f;
return [UIColor colorWithRed:red green:green blue:blue alpha:1.0];
}
8.//处理网络请求返回数据中的特殊字符
+ (NSDictionary*)netWorkingBackDataHandleSpecialCharacte:(id_Nullable)data{
if(data && data !=nil) {
//处理/r/n/t
NSString * str = [[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding];
NSString * str2 = [str stringByReplacingOccurrencesOfString:@"\t" withString:@""];
str2 = [str2stringByReplacingOccurrencesOfString:@"\n" withString:@""];
str2 = [str2stringByReplacingOccurrencesOfString:@"\r" withString:@""];
NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:[str2 dataUsingEncoding:NSUTF8StringEncoding] options:NSJSONReadingMutableContainers error:nil];
returndic;
}
return [[NSDictionary alloc] init];
}
9.//查看当前代理
+ (NSString*)wifiAgentAddress{
CFDictionaryRef proxySettings = CFNetworkCopySystemProxySettings();
NSDictionary*dictProxy = (__bridge_transferid)proxySettings;
//是否开启了http代理
if([[dictProxyobjectForKey:@"HTTPEnable"]boolValue]){
NSString*proxyAddress=[dictProxyobjectForKey:@"HTTPProxy"];//代理地址
NSIntegerproxyPort=[[dictProxyobjectForKey:@"HTTPPort"]integerValue];//代理端口号
returnproxyAddress;
}
return nil;
}
10.//push到viewController
+ (void)pushViewController:(Class)vcClass WithTitle:(NSString*)title
navigationVC:(UINavigationController*)navigationVC{
UIViewController *vc = [[vcClass alloc] init];
vc.title= title;
vc.hidesBottomBarWhenPushed = YES;
[navigationVCpushViewController:vc animated:YES];
}
11.//多级push后pop返回
+ (void)popViewController:(Class)vcClass navigationVC:(UINavigationController*)navigationVC{
for (UIViewController *vc in navigationVC.viewControllers){
if([vcisKindOfClass:vcClass])
{
[navigationVCpopToViewController:vcanimated:YES];
return;
}
}
}
12.//创建字体视图的方法
+ (UILabel*)createLabelText:(NSString*)text
textColor:(UIColor*)textColor
backgroundColor:(UIColor*)backgroundColor
textAlignment:(NSTextAlignment)textAlignment
font:(CGFloat)font
numberOfLines:(NSInteger)numberOfLines
{
UILabel *label = [[UILabel alloc] initWithFrame:CGRectZero];
label.text= text;
label.font = [UIFont systemFontOfSize:font];
label.backgroundColor= backgroundColor;
label.textAlignment= textAlignment;
label.textColor= textColor;
label.numberOfLines= numberOfLines;
returnlabel;
}
13.//创建图片视图的方法
+ (UIImageView*)createImageViewWithImageName:(NSString*)imageName
{
UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectZero];
imageView.image=GetImage(imageName);
returnimageView;
}
14.//确定是哪个viewcontroller
+ (UIViewController*)currentViewController{
UIViewController* currVC =nil;
UIViewController * Rootvc = kKeyWindow.rootViewController ;
do{
if ([Rootvc isKindOfClass:[UINavigationController class]]) {
UINavigationController * nav = (UINavigationController *)Rootvc;
UIViewController * v = [nav.viewControllers lastObject];
currVC = v;
Rootvc = v.presentedViewController;
continue;
}else if([Rootvc isKindOfClass:[UITabBarController class]]){
UITabBarController * tabVC = (UITabBarController *)Rootvc;
currVC = tabVC;
Rootvc = [tabVC.viewControllers objectAtIndex:tabVC.selectedIndex];
continue;
}
}while(Rootvc!=nil);
returncurrVC;
}
15.//获取星期几
+ (NSString*)weekdayStringFromDate:(NSDate*)inputDate{
NSArray *weekdays = [NSArray arrayWithObjects: [NSNull null],@"星期日", @"星期一",@"星期二",@"星期三",@"星期四",@"星期五",@"星期六", nil];
NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
NSTimeZone *timeZone = [[NSTimeZone alloc] initWithName:@"Asia/Shanghai"];
[calendarsetTimeZone: timeZone];
NSCalendarUnit calendarUnit = NSCalendarUnitWeekday;
NSDateComponents*theComponents = [calendarcomponents:calendarUnitfromDate:inputDate];
return[weekdaysobjectAtIndex:theComponents.weekday];
}
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