本文介绍了UITextInput setMarkedText：selectedRange不工作？ （不能！）的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 29岁程序员，3月因学历无情被辞！ 我想以编程方式设置标记文本，因为iOS5 UITextView和UITextField符合UITextInput这应该是可能的但是由于某种原因我总是得到 markedText 为零。 :( 我在这里缺少什么？I want to set the marked text programmatically and since iOS5 UITextView and UITextField conform to UITextInput this should be possible but for some reason I always get the markedText to be nil. :(What am I missing here?这是我尝试过的没有成功：This is what I've tried without success:（虽然textview是firstResponder）(While the textview is firstResponder) 1.-当文本视图不包含文字时 text：，selectedRange：{0,0}，markedText：nil。text: "", selectedRange : {0,0}, markedText: nil.[_textView setMarkedText:@"月" selectedRange:NSMakeRange(0, 1)]; 结果： text：，selectedRange：{0,0}，markedText：nil。（没有更改）Result:text : "", selectedRange: {0,0}, markedText: nil. (Nothing changed) 2.-当文本视图包含文本+一些标记文本时： text：AAA，selectedRange = {0,3}，最后标记文字：太阳然后我这样做：text : "AAA", selectedRange = {0,3}, marked text at the end : "太陽"then I do:[_textView setMarkedText:@"地" selectedRange:NSMakeRange(0,3)]; 结果： text：AAA，selectedRange：{0,3}，markedText：nil;（标记的文字变为零）Result :text :"AAA", selectedRange: {0,3}, markedText: nil; (the marked text became nil)在这两种情况下都像 setMarkedText：selectedRange：将是将当前标记的文本（如果有的话）设置为nil。In both cases is like setMarkedText:selectedRange: would be setting the current marked text (if some) to nil.任何帮助都将受到高度赞赏：）Any help would be highly appreciated :)由于标记文字的概念似乎不清楚，这里有一个解释：Since the concept of marked text seems to be unclear, here is an explanation:在多阶段输入语言（例如日语）您可以输入常规文本（如英语）或输入标记文本（如日语）。In multi stage input languages (e.g. Japanese) you can input regular text (like english) or input marked text (like japanese).这里我写了常规文本：常规文本然后我写了标记文本つ 然后我写了标记文本き所以它被追加成つき。Here I wrote regular text : regular text then I wrote marked text つand then I wrote marked text き so it was appended becoming つき.标记文本（蓝色框中的文本）表示过渡或中间输入阶段，因为它可以变成其他称为候选者的字符/单词。候选人显示在大框中。Marked text (text in the blue box) represents a transitional or intermediate input stage because it can become into other characters/words called candidates. Candidates are shown in the big box.这个截图是在iPad上使用蓝牙键盘时拍摄的，但是当你在写日文时使用软件键盘会得到类似的结果例如。This screenshot was taken when using a bluetooth keyboard in the iPad but you will get similar results when using the software keyboard when writing japanese for example.在写つ之前，textview是：Before writing つ the textview was:textView.text : "regular text"textView.selectedRange : {12,0}textView.markedText:nil然后我写了つ，文字视图变为：Then I wrote つ and the text view became:textView.text : "regular textつ"textView.selectedRange : {13,0}textView.markedText: "つ"然后我写了き和文本视图成为：Then I wrote き and the text view became:textView.text : "regular textつき"textView.selectedRange : {14,0}textView.markedText: "つき"这是文本视图的当前状态。Which is the current state of the text view.我希望能够以编程方式设置标记文本：）I want to be able to set the marked text programatically :)这可能吗？ - 根据UITextInput文档，它是。Is this possible? -- According to UITextInput docs it is.推荐答案我的代码存在概念性问题。我可能只是忽略了一些小事，但我认为你的编程中只有一个简单的错误。I have a conceptual problem with your code here. I may just be overlooking some small thing, but I think you just have a simple error in your programming. 1）当文本视图不包含文本时： text：，selectedRange：{0,0}，markedText：nil ：1) When the text view contains no text: text: "", selectedRange : {0,0}, markedText: nil:[_textView setMarkedText:@"月" selectedRange:NSMakeRange(0, 1)];Result: text: "", selectedRange: {0,0}, markedText: nil.（没有变化） 2）当文本视图包含文本+一些标记文本时： text：AAA， selectedRange：{0,3} ， markedText 最后：太阳然后我做：2) When the text view contains text + some marked text: text: "AAA", selectedRange: {0,3}, markedText at the end: "太陽" then I do:[_textView setMarkedText:@"地" selectedRangeNSMakeRange(0,3)];Result: text: "AAA", selectedRange: {0,3}, markedText: nil;（标记文字为零） 我刚刚解决了我在Xcode中运行的代码中的问题。当我点击三个不同的按钮时，它运行完美并更改了标记的文本。如果没有标记文本，则会附加并标记文本。I just fixed your problem in the code that I ran in Xcode. It ran flawlessly and changed the marked text when I clicked three different buttons. When there was no marked text, the text was appended and marked. text 是 UITextView ：-(IBAction)first{ [text setMarkedText:@"test" selectedRange:NSMakeRange(0, 4)];}-(IBAction)second{ [text setMarkedText:@"woo" selectedRange:NSMakeRange(0,4)];}这里我点击了FirstHere I clicked "First"在这里我点击了SecondHere I clicked "Second"我希望这可以帮助你和值得赏金。I hope this helps you and is deserving of the bounty. 这篇关于UITextInput setMarkedText：selectedRange不工作？ （不能！）的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！ 上岸，阿里云！
