我有一个带有网络视图的应用程序, 在那里我显示一个反馈 HTML 页面, 我只需要在用户触摸 HTML 提交按钮时显示一个等待指示器, 最好也可以禁用 HTML 格式的提交按钮 。
从 iOS 侧 或 HTML/ Javascript 侧 的解决方案都会确定 。
我有一个带有网络视图的应用程序, 在那里我显示一个反馈 HTML 页面, 我只需要在用户触摸 HTML 提交按钮时显示一个等待指示器, 最好也可以禁用 HTML 格式的提交按钮 。
从 iOS 侧 或 HTML/ Javascript 侧 的解决方案都会确定 。
如果您有一个名称和代号为“ MyForm” 的表格, 带有代号为“ my button” 的按钮( 按钮不能是类型或名称为“ submit” ) 的按钮, 以及带有代号为“ waitMessage” 的空div, 您可以在其中插入等待信件或 gif, 那么您可以使用类似的东西 :
var myButton1 = document.getElementById("myButton");
myButton1.onclick = function (){
getElementById("waitMessage").innerHTML = "Whatever waiting message or html code you want";
myButton1.disabled=true;
document.forms["myform"].submit();
}
当提交 HTML 表格时, 停止当前页面上的所有执行。 您不能继续执行计时器脚本 。
大多数浏览器已经显示繁忙的图标 。
iOS包括标准螺旋体的UIKit控制,称为UI AactivityIndicatorView
。
如果您想要在 iOS 中按方案创建活动指标 :
UIActivityIndicatorView *myIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge]];
myIndicator.center = CGPointMake(160, 240);
myIndicator.hidesWhenStopped = NO;
[self.view addSubview:myIndicator];
然后开始/停止它:
[myIndicator startAnimating];
[myIndicator stopAnimating];
如前所述,您不必禁用 HTML 表格提交按钮, 该页面上不再执行 。
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