在 iOS 6 UITextField 中是否有内置方法可以从右到左输入文本? [英] Is there a bulit in method to enter text from right to left in an iOS 6 UITextField?

问题描述

例如，如果我想输入 12345:
      5
     45
    345
  2345
12345

For instance, if I wanted to input 12345:
       5
     45
    345
  2345
12345

我可以尝试创建自己的方法来做到这一点，但我想知道是否有内置的方法来做到这一点.

I can try and create my own method to do this, but I was wondering if there is a built in way to do this.

推荐答案

有几种方法可以做到这一点.NSTextAlignmentRight 可能会满足您的需求:

There are a couple of ways to do this. NSTextAlignmentRight will probably fit your needs:

[myTextField setTextAlignment:NSTextAlignmentRight];

但也有 setBaseWritingDirection:UITextWritingDirectionRightToLeft.(还没有测试过这个，我不在我的电脑上)

But there is also setBaseWritingDirection:UITextWritingDirectionRightToLeft. (Haven't tested this I'm not on my computer)

[myTextField setBaseWritingDirection:UITextWritingDirectionRightToLeft forRange:[myTextField textRangeFromPosition:[myTextField beginningOfDocument] toPosition:[myTextField endOfDocument]]];

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