Ui_singleton (single-pass value)

Create a new class to inherit NSObject

 #import  <foundation/foundation.h>    @interface  finxingdate : nsobject    #pragma mark-Create a singleton method  //as the difference ID of the return value (generic pointer) does not know the specific object Instancetype can dynamically identify which type of  //the naming habit, share + class name  //+ ( Sharedata *)  + (instancetype) sharefinxingdate; //through the property to host the   @property  (nonatomic , strong ) nsstring  *inputstring;  @end   

@implementation FinxingDate// static 保值作用staticnil;// 单例类使用此方法，创建单例+ (instancetype)shareFinxingDate{    // 第一次必须执行完    if (nil == date) {        date = [[FinxingDate alloc] init];    }    return date;}@end

Assign the value you want to pass to [FinxingDate shareFinxingDate].inputString the
It is possible to pass values across multiple pages.

Copyright NOTICE: This article is Outlan original article, without BO Master permission cannot reprint.

Ui_singleton (single-pass value)