我们使用以下 JQuery 代码 (JSF) 来调用自动完成。当用户键入数据时,一切似乎都工作正常,但当用户复制并粘贴时,自动完成功能将仅在第二次尝试中工作。我正在 IE 8 中测试以下代码。欢迎任何输入
<script type="text/javascript">
$(function () {
$(document).on('keyup.autocomplete','##{resp.workItemResponse.wiResponseId}', function() {
$('##{resp.workItemResponse.wiResponseId}').autocomplete({
minLength: 3,
source: function( request, response){
$.ajax({
type: 'GET',
url: "/iaportal/autoCompleteServlet",
cache: false,
delay: 200,
data: {
'respId':'#{resp.workItemResponse.wiResponseId}',
'type': '#{autoCompleteType}',
'term':request.term
},
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function(data){
response($.map(data.acctNum, function (item) {
return {
label: item.label,
value: item.label
}
}));
},
error: function(message){
alert("error "+message);
}
});
},
select: function( event, ui ) {
var selectedObj = ui.item;
var text = selectedObj.value;
$('.autoComplete#{resp.workItemResponse.wiResponseId}').attr('value', text);
$('.autoComplete#{resp.workItemResponse.wiResponseId}').trigger('change');
}
});
$('##{resp.workItemResponse.wiResponseId}').keyup(function(){
var text = this.value;
if(text == '' || text.length == 0){
$('.autoComplete#{resp.workItemResponse.wiResponseId}').attr('value', "");
$('.autoComplete#{resp.workItemResponse.wiResponseId}').trigger('change');
}
});
}); // on Ends
var textElem;
$(document).on('paste','##{resp.workItemResponse.wiResponseId}',function() {
textElem = this;
setTimeout(invokeOnPaste , 100);
});
function invokeOnPaste(){
var text = $(textElem).val();
if(text.length == 14){
$('.autoComplete#{resp.workItemResponse.wiResponseId}').attr('value', text);
$('.autoComplete#{resp.workItemResponse.wiResponseId}').trigger('change');
} else if(text.length != 0){
$('##{resp.workItemResponse.wiResponseId}').trigger('search','autocomplete');
}
}
});
</script>
最佳答案
除了 IE(以及启用了配置选项的 FireFox)之外,所有浏览器的 Javascript 剪贴板访问均受到限制。您需要绑定(bind)到其他内容,例如 keyup
用于 Ctrl+V
粘贴。据我所知,以跨浏览器兼容的方式绑定(bind)到上下文菜单粘贴是不可能的。
关于JQuery UI 1.8.23 复制粘贴问题,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/14966564/