Since I made the JQ custom paging plug-in and table plug-in last time, I haven’t customized the plug-in. I have been using linq and ef this month, and I haven’t touched the basic front-end. Today I have a colleague It was said that there was a project that required a checkbox in the drop-down box. I originally wanted to find a plug-in online, but after thinking about it, this function is actually not difficult, so I made one myself and took the opportunity to familiarize myself with the JQ custom plug-in again. Okay, okay, let’s attach the renderings first:
It doesn’t look that difficult, but it’s actually about strengthening your JQ so that it won’t become rusty if it’s not used for too long. alright. Attached is my code:
(function($){
var option={
isEdit:false, //是否可以编辑:默认是否
Listheight:200, //下拉框高度
ListWidth:0, //下拉框长度
//数据源
data:[
{"value":1,"text":"选择1"},
{"value":2,"text":"选择2"},
{"value":3,"text":"选择3"},
{"value":4,"text":"选择4"}
]
}
//开始创建下拉框
function Start(obj)
{
if(!option.isEdit)
{
obj.attr({"readonly":"readonly"});
}
var myList=$("");
var ul=$("
ul.css({"list-style":"none","margin":"0px","padding":"2px"});
myList.css({"border":"1px solid #D9E5F3","position":"absolute","overflow-y":"scroll","background-color":"#fff","font-size":"12px"});
if(option.Listheight {
option.Listheight=200;
}
myList.height(option.Listheight);
if(option.ListWidth {
option.ListWidth=obj.width()
}
myList.width(option.ListWidth);
//默认位置是在创建元素的下方
myList.offset({"top":obj.offset().top obj.outerHeight(),"left":obj.offset().left});
var data=option.data;
if(data.length>0)
{
for(i=0;i
var li=$("
var ListSon=$("");
ListSon.change(function(){
if(this.checked)
{
obj.val(obj.val() $(this).val());
}
else
{
obj.val(obj.val().replace($(this).val(),""));
}
})
myList.mouseover(function(){
myList.show();
})
myList.mouseout(function(){
myList.hide();
})
var span=$("");
span.text(data[i].text);
ListSon.val(data[i].value ";");
li.append(ListSon);
li.append(span);
ul.append(li);
}
}
myList.append( ul);
myList.appendTo("body");
myList.hide();
FoucsShow($(obj),myList);
}
// when Get the focus so that the drop-down box appears
function FoucsShow(obj,myList)
.fn .createList=function(newoption)
})(jQuery);
Foreground call:
","text":"javascript"},
"},
{"value":"xml","text":"Mysql"},
,"text":"JQuery"},
CSS3"},
🎜> })

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