IOS NSArray 倒序

//iOS-筛选数组内的元素 //在dataArray中里面,将在dataArray中的并且在filteredArray数组里面的元素过滤掉 //需要去掉的元素数组 NSMutableArray *filteredArray = [[NSMutableArray alloc]initWithObjects:@"1",@"3",@"9", nil]; //需要被筛选的数组 NSMutableArray *dataArray = [[NSMutabl

定义一个 NSArray 的分类 NSArray (JSON).h文件 #import <Foundation/Foundation.h> @interface NSArray (JSON) /** * 转换成JSON串字符串(没有可读性) * * @return JSON字符串 */ - (NSString *)toJSONString; /** * 转换成JSON串字符串(有可读性) * * @return JSON字符串 */ - (NSString *)toReadableJSONSt

nsarray中支持不同的类型 NSMutableArray *arr = [[NSMutableArray alloc] init]; [arr addObject:@"123"]; NSLog(@"%@",arr); [arr addObject:[[UIView alloc] init]]; NSLog(@"%@",arr); 加入nsstring  uiview可以在同一个队列里面

NSMutableArray *array = [NSMutableArray arrayWithObjects:@"1",@"2",@"3",nil]; NSArray* reversedArray = [[array reverseObjectEnumerator] allObjects];

NSMutableArray *array = [NSMutableArray arrayWithObjects:@"1",@"2",@"3",nil]; NSArray* reversedArray = [[array reverseObjectEnumerator] allObjects]; NSLog(@"%@",reversedArray); NSArray *array1 = [NSArray arrayWithOb

添加结构体,用nsvlue类 typedefstruct{ NSUIntegerline; NSUIntegerrow; } TileLocation; //转换为NSValue NSValue*value = [NSValuevalueWithBytes:&tileLocobjCType:@encode(TileLocation)]; //转换回结构体 TileLocation loc; [valuegetValue:&loc]; CGRect rect1 = CGRectMake(0,

比如有一个数组: NSArray *arr = @[@"1", @"2", @"3"]; 倒过来排序: arr = [[arr reverseObjectEnumerator] allObjects]; NSMutableArray *accountArr = [NSMutableArray arrayWithContentsOfFile:filePath]; self.accountArr = (NSMutableArray *)[[accou

NSAttributedString+height Get AttributedString's height UIView+TYAlertView Powerful, Easy to use alert view or popup view on controller and window, support blur effects,custom view and animation UIImageView+Rotate UIImageView Rotation UIButton+Rotate

UIWebView中网页和客户端方法互相调用很重要 1.js调用oc 网页部分 function testClick(cmd) { var str1="ios"; window.location.href="ios://"+cmd+":/"+str1; } <p><input type="button" id="enter" value="enter"onclick=&