textfield | 易学教程

Link in input text field

阅读更多关于 Link in input text field

问题 HI All, I know this is bit strange question, but please suggest. I want to create a link on website url content in input type"text" field not any other html tag,Is it possible and if yes how. Regards & Thanks Amit 回答1: This is unfortunately not possible in the way you've asked it in HTML 4 or below. Even with HTML5 which has several new INPUT TYPEs, including URL, it only does validation and has some other useful functions, but won't give you want you want. You might look for some jQuery

Flutter textfield that auto expands when text is entered and then starts scrolling the text when a certain height is reached

阅读更多关于 Flutter textfield that auto expands when text is entered and then starts scrolling the text when a certain height is reached

I've tried many configurations of the Flutter TextField but can't figure out how to build this one. I'm looking for a textfield that is a single line initially and it auto expands as the text is entered into it and then at some point begins scrolling itself. This can be achieved partially by using the maxLines: null attribute. But then when a lot of text is entered the Text in the textfield itself overflows. And if the maxLines is set to a value then the whole textfield itself gets expanded to those many lines to start off with rather than beginning with a single line. Is there a way to limit

JavaFX: Focusing textfield programmatically

阅读更多关于 JavaFX: Focusing textfield programmatically

问题 I wrote an application with JavaFX which will only be usable with keyboard's arrows. So I prevented MouseEvent on Scene's stage, and I "listen" to KeyEvents. I also switched off focusability of all nodes : for(Node n : children) { n.setFocusTraversable(false); Now I have some textfields, checkboxes, and buttons. I would like to change the state of my input controls (textfield, checkbox,..) programatically: for example I would like to enter the textfield to edit the content programatically. So

HTML input field hint

阅读更多关于 HTML input field hint

问题 I want to provide the user with a hint on what he needs to enter into my text field. However, when I set the value, it does not disappear once a user clicks on the text field. How can you make it disappear? <form action="input_password.htm"> <p>Username:<br><input name="Username" value="Enter username.." type="text" size="20" maxlength="20"></p> </form> 回答1: You'd need attach an onFocus event to the input field via Javascript: <input type="text" onfocus="this.value=''" value="..." ... /> 回答2:

Finding and auto-filling HTML login forms in a UIWebView using JavaScript

阅读更多关于 Finding and auto-filling HTML login forms in a UIWebView using JavaScript

i have a UIWebView which acts like an internet browser and loads the HTML of the webpages that it is at. in the webViewController, the method webViewDidFinishLoad, would have loaded the HTML from the webpage when the webpage finish loading on the UIWebView. From the HTML i would like to sieve out textfields to facilitate the auto population of that textfield with values stored in my database. Any methods to do that? The method should be able to work on all websites. Set text for a textfield in UIWebView has almost what might help me, but i have tried it and the text field never got filled. In

AS3 TextField autoscroll to the bottom

阅读更多关于 AS3 TextField autoscroll to the bottom

问题 How to autoscroll to the bottom of the TextField in ActionScript while adding text there programmatically: var _output:TextField = new TextField(); for (var i:int = 0; i < 100; ++i) { _output.appendText("Hello World!"); } Also consider that the vertical scrolling of the TextField should be enabled, and once a new text was added then autoscroll to the bottom should be executed again. 回答1: You should listen for Event.CHANGE event on the TextField in question. Event description relative to

Validation of text fields and contact no text field

阅读更多关于 Validation of text fields and contact no text field

I have a JFrame consisting of some text fields (10) and a TextArea. I want to validate all the text fields and see if they are not empty and also check if a 10 digit contact no is entered in one of the text field. After checking the text fields, I want to enable a submit button which is used to submit all this dat to my database. I used following code with adding the text area condition but it is not working,gives the error:- Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException Here is the code i used but it is not working:- public class DataEntered1 implements

Textfield CSS styling using JavaFx

阅读更多关于 Textfield CSS styling using JavaFx

问题 I'm trying to style some textfields using JavaFX, but I'm not getting desired results. My goal is to have the textfield be represented by a singular underline. Here's my CSS: .text-field{ -fx-font-family: "Quicksand"; -fx-font-size: 18; -fx-padding: 1,1,1,1; -fx-border-color: grey; -fx-border-width: 2; -fx-border-radius: 1; -fx-border: gone; -fx-background-color: transparent; -fx-text-fill: grey; } I have researched this question, but the answers I find to similar ones don't really contain

Managing events in flutter's TextFormField

阅读更多关于 Managing events in flutter's TextFormField

问题 In Flutter project, I need to listen to the input text in TextFormField and do certain actions, especially when user put some character (eg. space) in this filed or when he request focus. When this kind of event happen, I need to modify filed's value. I know there is a property called controller but I don't know how to use it in this case. Thank you in advance. 回答1: You can specify a controller and focus node, then add listeners to them to monitor for changes. Ex: Define controllers and focus

AutoComplete for UITextfield in iOS

阅读更多关于 AutoComplete for UITextfield in iOS

I am working on new iOS application. In that app, I have 5 UITextFields and those are 1. first interest, second interest upto 5 interests. I need to add Autocomplete for those 5 UITextFields. I have searched google for one day. I got some forums and tutorial for that. But I even have tried with Github links also. According to my requirement, I have an array of data which is getting from my server. In that array, I have data like, coffee, cricket, etc. That is Autocomplete data. I need to display that array whenever user entered text in UITextField, if its related to my array of data, need to