vue 侦听器侦听对象属性_PHP表单帮助器

vue 侦听器侦听对象属性

Unfortunately for me, web forms a big part of my day. It's not that web forms are difficult, it's that they're so damn time consuming. Validation, formatting, and processing are a must for web forms and the redundancy that goes into performing the task over and over is enough to drive a developer crazy.

对我来说不幸的是，网络是我一天中很重要的一部分。并不是说网络表单很困难，而是因为它们是如此的耗时。验证，格式化和处理是Web表单所必需的，一遍又一遍地执行任务所需要的冗余足以使开发人员发疯。

The trigger to the form validation and subsequent processing is form submission. How do you know when a form has been submitted? At the top of the PHP script, before any output, you code:

表单验证和后续处理的触发因素是表单提交。您如何知道何时提交表单？在PHP脚本的顶部，在进行任何输出之前，您需要编写以下代码：

if(isset($_POST['submit'])) {	//validation here	//conditional processing here}

What if there's also a "cancel" button? You'd code:

如果还有一个“取消”按钮怎么办？您将代码：

if(isset($_POST['submit'])) {	//validation here	//conditional processing here}elseif(isset($_POST['cancel'])) {	//redirect somewhere<}

The above isn't good enough for me. I create too many forms to continue the isset() muck. Also, what about the "_x" browser quirk for when you have an image submit button (e.g. instead of PHP reading in "submit", it reads in "submit_x")? What about maintainability? I've created a function to handle all form submission situations that works great for my purposes.

以上对我来说还不够好。我创建了太多表格，无法继续isset()废话。另外，当您有图像提交按钮时，“ _ x”浏览器会有什么古怪之处(例如，不是在“ submit”中读取PHP，而是在“ submit_x”中读取)？可维护性如何？我创建了一个功能来处理所有表单提交情况，这些功能非常适合我的目的。

代码 (The Code)

function submit($trigger = 'submit') {	return (isset($_POST[$trigger]) || isset($_POST[$trigger.'_x']) || isset($_GET[$trigger]) || isset($_GET[$trigger.'_x']));}

用法 (The Usage)

if(submit()) {	//submit button pressed}elseif(submit('cancel')) {	//cancel button pressed}

说明 (The Explanation)

There's one optional argument to send to the function: $trigger. $trigger represents the name of the button you expect to be pressed -- default being "submit." If one of the buttons is pressed, the selected processing is run; if not, no processing is run.

有一个可选的参数发送给函数： $ trigger 。 $ trigger表示您希望按下的按钮的名称-默认为“提交”。如果按下其中一个按钮，则运行所选的处理；如果不是，则不运行任何处理。

Do you have a function you use? If so, please share.

您有使用的功能吗？如果是这样，请分享。

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vue 侦听器侦听对象属性