在光标所在的位置插入字符串 [英] Insert string where the cursor is

问题描述

我想在光标当前所在的位置插入文本，所以我有以下代码

I would like to insert text where the cursor is currently, so I have the below code

    NSString *contentsToAdd = [myData objectAtIndex:row];
    NSMutableString *tfContent = [[NSMutableString alloc] initWithString:[self.myTextView text]];
    // add content where the cursor was 
   [tfContent insertString:contentsToAdd atIndex:myCursorPosition.location];
  [self.myTextView setText:tfContent];
   [tfContent release];

它的工作原理如下

    Hi
    HiFriend

我想在添加文字前后添加一个空格(朋友).

I want to leave one space before and after appending the text (hi Friend).

那我该怎么办?

推荐答案

尝试类似的方法:

NSString *contentsToAdd = [myData objectAtIndex:row];
NSMutableString *tfContent = [[NSMutableString alloc] initWithString:[self.myTextView text]];
// add content where the cursor was 
NSString *contentsToAddPadded = [NSString stringWithFormat:@" %@ ", contentsToAdd];
[tfContent insertString:contentsToAddPadded atIndex:myCursorPosition.location];
[self.myTextView setText:tfContent];
[tfContent release];

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