将数组发送到viewcontroller iOS xcode(Send array to viewcontroller iOS xcode)

将数组发送到viewcontroller iOS xcode(Send array to viewcontroller iOS xcode)

我有2个视图控制器：

索引秒在索引中我有2个文本字段和按钮。

我填写此文本字段并按“下一步按钮”进入第二个视图，我需要“显示”这两个文本字段，通过使用Array（稍后我将发送JSON数据）。

我试过这个：在第二类中声明一个@property作为textArray。 然后在从Index推送到Second时，您需要设置此属性。

在Second.h文件中，

@property(nonatomic, strong) NSArray *textArray;

在Index.m文件中，

Second *aSecond = [[Second alloc] init]; aSecond.textArray = @[textField1.text, textField2.text];

//编写代码以从Index推送到Second现在在类Second中，您可以将它用作aSecond.textArray [0]和aSecond.textArray [1]

但是，如果我切换页面（单击下一步）阵列已被取消。

对于切换页面我使用：

SecondPage *SecondPage = [self.storyboard instantiateInitialViewController]; SecondPage = [self.storyboard instantiateViewControllerWithIdentifier:@"SecondPage"]; [self SecondPage animated:YES];

我怎么能最好地实现？ 请帮忙！ 最好的问候伊万。

I have 2 view controller:

Index Second In Index I have 2 textfield and button.

I fill this text field and press "next button" to second view, I need to "show" this two text field, by using Array (later I will send JSON data).

I Tried this: Declare an @property in class Second as textArray. And then while pushing to Second from Index, you need to set this property.

In Second.h file,

@property(nonatomic, strong) NSArray *textArray;

In Index.m file,

Second *aSecond = [[Second alloc] init]; aSecond.textArray = @[textField1.text, textField2.text];

//write code to push from Index to Second Now in class Second, you can use it as aSecond.textArray[0] and aSecond.textArray[1]

But if i switch page (click next) array has been nulled.

For switch page i use this:

SecondPage *SecondPage = [self.storyboard instantiateInitialViewController]; SecondPage = [self.storyboard instantiateViewControllerWithIdentifier:@"SecondPage"]; [self SecondPage animated:YES];

How I can best realize? Please help! Best regards Ivan.

最满意答案

有很多方法可以将值从一个控制器传输到另一个控制器，但对于您而言，我认为这将是最简单的。 使用NSUserDefaults

第一个简单的方法

在第一个控制器

[[NSUserDefaults standardUserDefaults] setObject:@[textField1.text, textField2.text] forKey:@"listOfData"];

在第二控制器

NSArray *array = [[NSUserDefaults standardUserDefaults]objectForKey:@"listOfData"];

第二个简单的方法是

DetailVC *detailVC = [self.storyboard instantiateInitialViewController]; detailVC = [self.storyboard instantiateViewControllerWithIdentifier:@"DetailVC"]; detailVC.textArray = @[textField1.text, textField2.text];

There are lot of ways to transfer the value from one controller to an other, but for you I think this will be the most simple ever. Use NSUserDefaults

First Easy Ways

in first Controller

[[NSUserDefaults standardUserDefaults] setObject:@[textField1.text, textField2.text] forKey:@"listOfData"];

in 2nd Controller

NSArray *array = [[NSUserDefaults standardUserDefaults]objectForKey:@"listOfData"];

2nd Easy ways is

DetailVC *detailVC = [self.storyboard instantiateInitialViewController]; detailVC = [self.storyboard instantiateViewControllerWithIdentifier:@"DetailVC"]; detailVC.textArray = @[textField1.text, textField2.text];