通过jQuery打造支持汉字,拼音,英文快速定位查询的超级select插件

//潇湘博客 
//http://blog.csdn.net/fkedwgwy 
//PHP 技术群：37304662 
//时间:2010-06-13 
//版本 v3.0.0.0 
//任意字符、中文与拼音综合查询 
//方向键选择option 
//优化下拉框显示效果 
//jquery超级select插件 
$.fn.selectseach = function() { 
String.prototype.trim = function() { 
return this.replace(/(^\s*)|(\s*$)/g, ""); 
} 
//汉字转拼音 
function makePy(str) { 
if (typeof(str) != "string") { 
return str; 
//throw new Error(-1,"需要字符串类型参数!"); 
} 
var arrResult = new Array(); 
for (var i = 0, len = str.length; i < len; i++) { 
var ch = str.charAt(i); 
arrResult.push(checkCh(ch)); 
} 
var resarr = mkRslt(arrResult); 
return resarr.join("").toLowerCase(); 
} 
function checkCh(ch) { 
var uni = ch.charCodeAt(0); 
if (uni > 40869 || uni < 19968) return ch; //dealWithOthers(ch); 
return (oMultiDiff[uni] ? oMultiDiff[uni] : (strChineseFirstPY.charAt(uni - 19968))); 
} 
function mkRslt(arr) { 
var arrRslt = [""]; 
for (var i = 0, len = arr.length; i < len; i++) { 
var str = arr[i]; 
var strlen = str.length; 
if (strlen == 1) { 
for (var k = 0; k < arrRslt.length; k++) { 
arrRslt[k] += str; 
} 
} else { 
var tmpArr = arrRslt.slice(0); 
arrRslt = []; 
for (k = 0; k < strlen; k++) { 
var tmp = tmpArr.slice(0); 
for (var j = 0; j < tmp.length; j++) { 
tmp[j] += str.charAt(k); 
} 
arrRslt = arrRslt.concat(tmp); 
} 
} 
} 
return arrRslt; 
} 
var strChineseFirstPY = "这段代码省略"; 
var oMultiDiff = { 
"40840": "YK", 
"40863": "QJG" 
}; 
var teststr; 
var selectobj = $(this); 
var obj; 
var obj1; 
var mfont = 12; 
var selectleft; 
var selecttop; 
var selectwidth; 
var objid; 
var objvalue; 
var objhtml; 
var inputwidth; 
var selectinput = 'selectinput', 
selectinputname = 'selectinputname', 
imgselect = 'imgselect', 
myhtml, objid; 
var recno; 
var fzrxm1 = ""; 
var fzrxm = ""; 
var selectid = -1; 
var mfocus = 1; 
var ij, selectgotoij = -10; 
//创建 select div 
selectobj.each(function() { 
obj = $(this); 
var check = obj.attr('m'); 
//alert(check); 
if (check == 'search') { 
mfont = 12; 
selectleft = obj.offset().left; 
selecttop = obj.offset().top; 
selectwidth = obj.width(); 
objid = obj.attr('id'); 
objvalue = obj.val(); 
objhtml = obj.find('option:selected').text(); 
teststr = teststr + 'left=' + selectleft + 'and top=' + selecttop + '<br>'; 
//浏览器判断 
if ($.browser.mozilla) { 
inputwidth = selectwidth - 15; 
} else { 
inputwidth = selectwidth - 18; 
} 
selectsearch(); 
} 
}); 
// 隐藏 原始select 
selectobj.each(function() { 
if ($(this).attr('m') == 'search') { 
$(this).hide(); 
} 
}); 
//创建 select div 
function selectsearch() { 
myhtml = "<div id=" + selectinput + objid + " style='height: 18px;color:white; background:white; font-size:12;left:" + selectleft + ";top:" + selecttop + ";'><nobr><input type='text' name=" + selectinputname + objid + " id=" + selectinputname + objid + " style='border:1px solid #CCC;margin: 0pt 0px 0pt 0px;font-size:" + mfont + ";vertical-align:middle;'><img class='selectimg' id=" + imgselect + objid + " src='img/multiselect.gif' title='快速定位' style='vertical-align:middle;'></nobr></div>"; 
if (!$('#' + selectinput + objid).html()) { 
obj.after(myhtml); 
selectkeyup(); //添加keyup事件 
} 
$('#' + selectinput + objid).css({ 
// 'left': selectleft, 
// 'top': selecttop, 
'font-size': mfont, 
'width': inputwidth 
}); 
$('#' + selectinputname + objid).css({ 
'width': inputwidth 
}); 
$('#' + selectinputname + objid).val(objhtml); 
$('#' + selectinputname + objid).focus(function() { 
var myid; 
myid = $(this).attr('id'); 
objid = myid.replace("selectinputname", ""); 
obj = $('#' + selectinput + objid); 
}); 
/* $('#' + imgselect + objid).click(function() { 
var myid; 
myid = $(this).attr('id'); 
objid = myid.replace("imgselect", ""); 
obj = $('#' + selectinput + objid); 
creatediv(); 
//alert(1); 
});*/ 
$('#' + selectinputname + objid).blur(function() { 
var myid; 
myid = $(this).attr('id'); 
objid = myid.replace("selectinputname", ""); 
$('#' + selectinputname + objid).val($('#' + objid).find('option:selected').text()); 
$('#' + imgselect + objid).attr("src", "img/multiselect.gif"); 
//$('#selectcontent').remove(); 
//creatediv(); 
//alert(obj.val()); 
}); 
$('#' + selectinput + objid).show(); 
//$('#' + selectinputname + objid).focus(); 
$('#' + selectinput + objid).hover( 
function() { 
obj = $(this); 
creatediv(); 
}, 
function() { 
objid = $(this).attr('id'); 
objid = objid.replace("selectinput", ""); 
$('#' + selectinputname + objid).val($('#' + objid).find('option:selected').text()); 
$('#' + imgselect + objid).attr("src", "img/multiselect.gif"); 
$('#selectcontent').remove(); 
}); 
} 
//创建 select 下拉 div 容器 
function creatediv() { 
var divheight; 
objid = obj.attr('id'); 
objid = objid.replace("selectinput", ""); 
$('.selectimg').attr("src", "img/multiselect.gif"); 
// objid = $(this).attr('id'); 
$('#' + imgselect + objid).attr("src", "img/multiselect-hover.gif"); 
$('#' + selectinputname + objid).focus(); 
selectwidth = obj.width(); 
//浏览器判断 
if ($.browser.mozilla) { 
selectwidth = selectwidth + 16; 
} else { 
selectwidth = selectwidth + 20; 
} 
//divheight=$('#'+objid).l; 
//列表div 
var myhtml1 = "<div id='selectcontent' style='height: 118px; position:absolute; border: 1px solid #CCC; background:white; font-size:12;overflow-x:hidden;overflow-y:auto;margin: -1.5pt 0px 0pt 0px;display: none'></div>"; 
$('#selectcontent').remove(); 
obj.append(myhtml1); 
$("#selectcontent").css({ 
'font-size': mfont, 
'width': selectwidth, 
}); 
$('#selectcontent').show(); 
//加载option 
createoption(0); 
if (ij <= 8) { 
divheight = ij * 15; 
} else { 
divheight = 118; 
} 
$("#selectcontent").css({ 
'height': divheight, 
}); 
} 
function arraycheck(objs, mystr) { 
for (var i = 0; i < objs.length; i++) { 
if (objs[i] == mystr) { 
return false; 
} 
} 
return true; 
} 
//创建 select option 
function createoption(maction) { 
objid = obj.attr('id'); 
objid = objid.replace("selectinput", ""); 
//加载select option 数据 
$('#' + objid).find('option').each(function() { 
fzrxm1 = fzrxm1 + $(this).val() + "|"; 
fzrxm = fzrxm + $(this).text() + "|"; 
}); 
var mystr = '', 
selectgoto = $('#' + selectinputname + objid).val(), 
selectstyle = '', 
seachstr = ''; 
//alert(fzrxm1.length); 
var myarray = new Array();　 //创建一个数组 
var arr = new Array();　 //创建一个数组 
fzrxm = fzrxm + ' '; 
arr = fzrxm.split('|'); 
seachstr = $('#selectinputname' + objid).val(); 
//alert(seachstr); 
//seachstr = objvalstr; 
//$('#msg1').html(seachstr + 'aaaaaaaaaaaaaa'); 
if ((seachstr != '') && (seachstr != 'undefined')) { 
if (maction == 1) { 
var rval = GetAllLikeString(seachstr, arr); 
} 
if (maction == 0) { 
var rval = arr; 
} 
} else { 
var rval = arr; 
} 
mystr = "<div id='selectdivtree' style='width:96.9%;border:0px solid #CCC;margin: 2pt 0px 0pt 2px;color:#000000'>"; 
ij = 0; 
recno = rval.length; 
//alert(recno); 
if (rval != '') { 
for (var i = 0; i < recno; i++) { 
if (arraycheck(myarray, rval[i])) { 
if ((rval[i] != ' ') && (rval[i] != 'null')) { 
ij = ij + 1; 
if (selectgoto == rval[i]) { 
selectgotoij = ij; 
selectstyle = "background: #0080FF;"; 
} 
mystr = mystr + "<div style='height:14px;" + selectstyle + " ' class='selectclassdiv' id='selectclassdiv" + ij + "' rel = '" + ij + "'>" + rval[i] + "</div>"; 
selectstyle = ''; 
myarray.push(rval[i]); // 将一个或多个新元素添加到数组结尾，并返回数组新长度 
} 
} 
} 
} else { 
mystr = mystr + "No records!"; 
} 
mystr = mystr + "<input type='hidden' id = 'selectaction' value = '0'></div>"; 
$('#selectdivtree').remove(); 
$('#selectcontent').html(mystr); 
selectid = -1; 
myarray = ''; 
fzrxm1 = ''; 
fzrxm = ''; 
//alert(selectgoto); 
moveScrollbar(selectgotoij); 
selectid = selectgotoij; 
selectgotoij = -10; 
optionhover(); 
} 
//获取所有符合条件下元素,以数据型式返回,str:要查找的字符串,container:被查的数组 
function GetAllLikeString(mstr, container) { 
var str = mstr; 
var startChar = str.charAt(0); //开始字符 
var strLen = str.length; //查找符串的长度 
var curCon; 
var isFind = false; //是否找到 
var resultIndex = -1 //如果是的话的那个索引 
var returnvalue = ""; 
for (var i = 0; i < container.length; i++) { 
curCon = container[i]; 
for (var j = 0; j < curCon.length; j++) { 
//alert(curCon.charAt(j)); 
curstr = curCon.charAt(j); 
if (curstr == startChar || makePy(curstr) == startChar) //如果匹配起始字符,开始查找 
{ 
strsearch = curCon.substring(j).substring(0, strLen); 
strsearch1 = makePy(strsearch); 
if (strsearch == str || strsearch1 == str) //如果从j开始的字符与str匹配，那ok 
{ 
returnvalue = returnvalue + curCon + "|"; 
} 
} 
} 
} 
if (returnvalue.length > 1) returnvalue = returnvalue.substring(0, returnvalue.length - 1); 
var returnvalue = returnvalue.split("|"); 
returnvalue.sort(); 
return returnvalue; 
} 
////分类法选中样式操作/////////////////////////////////////////////////////// 
function optionhover() { 
objid = obj.attr('id'); 
objid = objid.replace("selectinput", ""); 
var mform = $('#selectdivtree'); 
mform.find('.selectclassdiv').each(function() { 
var _self = $(this); 
_self.click(function() { 
// alert(obj.val()); 
setval(_self.html()); 
$('#' + objid).change(); 
$('#selectcontent').hide(); 
$('.selectimg').attr("src", "img/multiselect.gif"); 
}); 
_self.hover( 
function() { 
if (getselectvalue(_self.html()) != $('#' + objid).val()) { 
mform.find('.selectclassdiv').css({ 
background: "White" 
}); 
} 
$(this).css({ 
background: "#0080FF" 
}); 
}, 
function() { 
if (getselectvalue(_self.html()) != $('#' + objid).val()) { 
$(this).css({ 
background: "White" 
}); 
} 
}); 
}); 
} 
function getselectvalue(str) { 
objid = obj.attr('id'); 
objid = objid.replace("selectinput", ""); 
var myid = ''; 
$('#' + objid).find('option').each(function() { 
if (str == $(this).text()) { 
myid = $(this).val(); 
return false; //跳出循环 
//alert(myid); 
// 
} 
}); 
return myid; 
} 
function setval(selfhtml) { 
objid = obj.attr('id'); 
objid = objid.replace("selectinput", ""); 
//alert(selfhtml); 
if ($('#selectcontent').length == 0) { 
return false; 
} 
$('#' + objid).attr('value', getselectvalue(selfhtml)); 
$('#' + selectinputname + objid).val(selfhtml); 
}; 
function getTop(idx) { 
var mfontsize; 
return idx * 14 - 23; 
} 
//移动 option div 滚动条 
function moveScrollbar(idx) { 
if (idx < 1) { 
return false; 
} 
if (idx > ij) { 
return false; 
} 
var t = getTop(idx); 
var ch = $('#selectcontent').scrollHeight; 
$('#selectcontent').attr("scrollTop", t); 
// $('#selectcontent').animate({scrollTop : t}, 'slow'); 
$('#selectaction').val($("#selectclassdiv" + idx).attr('rel')); 
setval($("#selectclassdiv" + idx).html()); 
} 
function selectkeyup() { 
$('#' + selectinputname + objid).keyup(function(event) { 
// alert(ij); 
if (ij < selectid) { 
selectid = 0; 
// return false; 
}; 
if (selectid < 1) { 
selectid = 0; 
//return false; 
}; 
mfocus = 1; 
switch (event.keyCode) { 
case 37: 
{ 
mfocus = 0; 
creatediv(); 
$("#selectclassdiv" + selectid).css({ 
background: "White" 
}); 
selectid = selectid - 1; 
moveScrollbar(selectid); 
$("#selectclassdiv" + selectid).css({ 
background: "#0080FF" 
}); 
break; 
} 
case 39: 
{ 
mfocus = 0; 
creatediv(); 
$("#selectclassdiv" + selectid).css({ 
background: "White" 
}); 
selectid = selectid + 1; 
moveScrollbar(selectid); 
$("#selectclassdiv" + selectid).css({ 
background: "#0080FF" 
}); 
break; 
} 
case 40: 
{ 
mfocus = 0; 
$("#selectclassdiv" + selectid).css({ 
background: "White" 
}); 
selectid = selectid + 1; 
moveScrollbar(selectid); 
$("#selectclassdiv" + selectid).css({ 
background: "#0080FF" 
}); 
break; 
} 
case 38: 
{ 
mfocus = 0; 
creatediv(); 
$("#selectclassdiv" + selectid).css({ 
background: "White" 
}); 
selectid = selectid - 1; 
moveScrollbar(selectid); 
$("#selectclassdiv" + selectid).css({ 
background: "#0080FF" 
}); 
break; 
} 
case 13: 
{ 
mfocus = 0; 
creatediv(); 
setval($("#selectclassdiv" + selectid).html()); 
$('#' + objid).change(); 
$('#selectcontent').hide(); 
$('.selectimg').attr("src", "img/multiselect.gif"); 
break; 
} 
case 9: 
{ 
mfocus = 0; 
$('#selectcontent').remove(); 
break; 
} 
} 
if (mfocus == 1) { 
creatediv(); 
createoption(1); 
}; 
}); 
$('#' + selectinputname + objid).click(function() { 
$('#' + selectinputname + objid).select(); 
}); 
} 
};

使用方法:

<select name="sssss2" id="sssss2" m='search' > 
<option value="-1">所有学校</option> 
<option value="139">湾小学</option> 
<option value="140">阳河小学</option> 
<option value="141">浏阳市</option> 
</select>

JS代码:

$(document).ready(function(){ 
$('#sssss').selectseach(); 
});

下载地址： https://3water.com/jiaoben/27673.html
一直想找一个可以通过拼音来查找下拉框optIOn值的插件,，这款插件一步到位全做到了,而且还支持可编辑的输入框