在程序中解析“意外'''问题”

Question

Xcode给出了以下错误，我搜索了很多但无法得到正确答案

我的代码

false

现在请检查我的头文件，如上所示。它给出了错误

1）“程序中意外的'@'”

2）缺少IBAction方法解除的背景

Answer 1

请务必声明您的两个变量

@interface ViewController : UIViewController
//Before @end
//Right
@property(nonatomic, strong, readwrite) NSString * environment;
@property(nonatomic, strong, readwrite) NSString * resultText;

@end

//If outside then get error like you got
//Wrong
@property(nonatomic, strong, readwrite) NSString * environment;
@property(nonatomic, strong, readwrite) NSString * resultText;