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在IE8上JS实现combobox支持拼音检索功能
网络编程 2024/11/17 佚名
3 1

最近在ie8碰到一个js问题，需要实现(ie8)使用拼音或者拼音首字母来检索select中的内容，原来的combobox只能支持汉字输入检索，现在需要进行改进，现在我将一步一步的实现方法记录下来，功能简单，也可能有bug和不足，供学习参考。(本文只是提供思路学习和备份，实际情况需要在ie8或者ie兼容模式上使用，所以没有考虑到别的浏览器)

目录结构：

test

|--js

|--index.html

在index页面中添加

index.html

<!DOCTYPE html> 
<html> 
<head> 
<meta charset="utf-8" /> 
<title></title> 
<script type="text/javascript" src="/UploadFiles/2021-04-02/autoComplete.js">


在IE8上JS实现combobox支持拼音检索功能


效果：开始将select 的下拉列表框隐藏，当点击input文本框的时候显示到input框的下面，选择完成后再将select隐藏。


js实现：


如果一个页面有多个地方需要实现这样的功能，这个时候就要使用面向对象的思维，尽可能代码重用，我们需要自定义一个ap这样的集合。


autoComplete.js





function Map() { 
/** 存放键的数组(遍历用到) */ 
this.keys = new Array(); 
/** 存放数据 */ 
this.data = new Object(); 
/** 
* 放入一个键值对 
* @param {String} key 
* @param {Object} value 
*/ 
this.put = function(key, value) { 
if(this.data[key] == null){ 
this.keys.push(key); 
} 
this.data[key] = value; 
}; 
/** 
* 获取某键对应的值 
* @param {String} key 
* @return {Object} value 
*/ 
this.get = function(key) { 
return this.data[key]; 
}; 
/** 
* 删除一个键值对 
* @param {String} key 
*/ 
this.remove = function(key) { 
this.keys.remove(key); 
this.data[key] = null; 
}; 
/** 
* 遍历Map,执行处理函数 
* 
* @param {Function} 回调函数 function(key,value,index){..} 
*/ 
this.each = function(fn){ 
if(typeof fn != 'function'){ 
return; 
} 
var len = this.keys.length; 
for(var i=0;i<len;i++){ 
var k = this.keys[i]; 
fn(k,this.data[k],i); 
} 
}; 
/** 
* 获取键值数组(类似Java的entrySet()) 
* @return 键值对象{key,value}的数组 
*/ 
this.entrys = function() { 
var len = this.keys.length; 
var entrys = new Array(len); 
for (var i = 0; i < len; i++) { 
entrys[i] = { 
key : this.keys[i], 
value : this.data[i] 
}; 
} 
return entrys; 
}; 
/** 
* 判断Map是否为空 
*/ 
this.isEmpty = function() { 
return this.keys.length == 0; 
}; 
/** 
* 获取键值对数量 
*/ 
this.size = function(){ 
return this.keys.length; 
}; 
/** 
* 重写toString 
*/ 
this.toString = function(){ 
var s = "{"; 
for(var i=0;i<this.keys.length;i++,s+=','){ 
var k = this.keys[i]; 
s += k+"="+this.data[k]; 
} 
s+="}"; 
return s; 
}; 
} 
Array.prototype.remove = function(s) { 
for (var i = 0; i < this.length; i++) { 
if (s == this[i]) 
this.splice(i, 1); 
} 
}





现在我们要写一个程序加载入口文件，用来将input和select的对象传入，然后进行事件绑定等等一系列的操作。





var autoCompleteMap = new Map(); //组件容器，便于组件事件驱动时调用，同时支持多组件管理 
var splitFleg = "_"; //分隔符 
/** 
* 文本框，下拉框组合成自动补全组件 
* @param {Object} txtObj 文本框对象 
* @param {Object} selectObj 下拉框对象 
* @param {int} selectSize 显示下拉框的数量 
* @param {int} selectLength 下拉框的长度 
*/ 
function AutoComplete(txtObj, selectObj, selectSize, selectLength) { 
this.cacheContainer = new Array(); //缓存容器，用来在页面刚刚加载的时候将option中的内容缓存到cacheContainer中 
this.init = function() { 
this.initCache(); //缓存数据，将option的数据缓存到cacheContainer 
this.initCSS(); //初始化css 将select隐藏 
this.registerEvent(); //注册事件 
this.setSelectIdPosition(); //设置select的位置 
// 缓存当前组件，便于组件事件驱动时调用，同时支持多组件管理 
autoCompleteMap.put(txtObj.id + selectObj.id, this); 
// 界面刷新后,将直属机构下拉框text值,写入文本框 
var selectIndex = selectObj.selectedIndex; 
if (selectIndex > 0) //第一个内容一般是 【请选择】，如果没有则将>0改为>=0 
txtObj.value = selectObj.options[selectIndex].text; 
} 
//缓存数据，将option的数据缓存到cacheContainer 
this.initCache = function() { 
var select_options = selectObj.options; 
if (select_options == null || select_options.length == 0) { 
return; 
} 
this.cacheContainer = []; 
for (var i = 0; i < select_options.length; i++) { 
this.cacheContainer[i] = select_options[i].text + splitFleg + select_options[i].value; 
} 
} 
this.initCSS = function() { 
selectObj.style.display = "none"; 
selectObj.style.position = "absolute"; 
selectObj.style.zIndex = 2; 
selectObj.style.width = selectLength + "px"; 
selectObj.multiple = "multiple"; 
txtObj.style.width = selectLength - 5 + "px"; 
} 
this.registerEvent = function() { 
// 下拉框事件 
selectObj.ondblclick = this.doubleClickEvent; 
selectObj.onkeyup = this.keyupEvent; 
selectObj.onblur = this.OnblurEvent; 
selectObj.onfocus = this.OnfocusEvent; 
// 文本框事件 
txtObj.onfocus = this.OnfocusEvent; 
txtObj.onblur = this.OnblurEvent; 
txtObj.onkeyup = this.txtObjKeyupEvent; 
} 
this.setSelectIdPosition = function() { 
var position = this.findPosition(txtObj); 
selectObj.style.left = position[0] + "px"; 
selectObj.style.top = position[3] + 3 + "px"; 
} 
this.findPosition = function(oElement) { 
var x2 = 0; 
var y2 = 0; 
var width = oElement.offsetWidth; 
var height = oElement.offsetHeight; 
if (typeof(oElement.offsetParent) != 'undefined') { 
for (var posX = 0, posY = 0; oElement; oElement = oElement.offsetParent) { 
posX += oElement.offsetLeft; 
posY += oElement.offsetTop; 
} 
x2 = posX + width; 
y2 = posY + height; 
return [posX, posY, x2, y2]; 
} else { 
x2 = oElement.x + width; 
y2 = oElement.y + height; 
return [oElement.x, oElement.y, x2, y2]; 
} 
} 
//-----------------绑定的事件------------------------ 
/** 
* select下拉列表框双击事件 
*/ 
this.doubleClickEvent = function() { 
selectObj.style.display = "none"; 
var selectIndex = selectObj.selectedIndex; 
txtObj.value = selectObj.options[selectIndex].text; 
} 
/** 
* 鼠标点击松开事件 
*/ 
this.keyupEvent = function() { 
var autocomplete = autoCompleteMap.get(txtObj.id + selectObj.id); 
if (event.keyCode == 13) { 
event.returnValue = false; 
var srcElem = document.activeElement; //获取当前聚焦的对象 
var testval = srcElem.id; 
if (testval == selectObj.id) { 
autocomplete.doubleClickEvent(); 
} 
} 
} 
/** 
* 聚焦事件 
*/ 
this.OnblurEvent = function() { 
var srcElem = document.activeElement; 
var testval = srcElem.id; 
if (testval != selectObj.id && testval != txtObj.id) { //如果没有聚焦到当前input框或者select列表 
selectObj.style.display = "none"; //将select列表隐藏 
} 
} 
/** 
* 聚焦事件 
*/ 
this.OnfocusEvent = function() { 
var autocomplete = autoCompleteMap.get(txtObj.id + selectObj.id); 
autocomplete.setSelectIdPosition(); 
var srcElem = document.activeElement; 
var testval = srcElem.id; 
if (testval == selectObj.id || testval == txtObj.id) { //聚焦在当前对象 
if (txtObj.value.length != 0) { //当input框中存在字符，则不进行任何操作 
return; 
} 
var selectIdLength = selectObj.options.length; 
if (selectIdLength > selectSize) { 
selectObj.size = selectSize; 
} else { 
selectObj.size = selectIdLength; 
} 
selectObj.style.display = "block"; 
} 
} 
var myTimeout = null; 
/** 
* 文本框鼠标聚焦松开事件 ，设置一个定时器，每个特定的时间执行函数，查询和input框中匹配到的select列表数据并显示 
*/ 
this.txtObjKeyupEvent = function() { 
var autocomplete = autoCompleteMap.get(txtObj.id + selectObj.id); 
if (event.keyCode == 40) { //input框中点击键盘方向键下，这个时候不需要进行检索，只有在输入的时候触发检索事件 
var srcElem = document.activeElement; 
var testval = srcElem.id; 
if (testval == txtObj.id) { 
selectObj.focus(); 
if (selectObj.options.length >= 1) 
selectObj.options[0].selected = true; 
} 
return; 
} 
if (autocomplete.myTimeout != null) { //清空设置的定时执行事件 
clearTimeout(autocomplete.myTimeout); 
} 
autocomplete.myTimeout = setTimeout(autocomplete.doAJAX, 200); 
} 
//----------------------------检索显示匹配数据----------------------------- 
/** 
* 做主要的查询匹配操作 
*/ 
this.doAJAX = function() { 
var autocomplete = autoCompleteMap.get(txtObj.id + selectObj.id); 
//清空原来的OPTIONS 
autocomplete.clearAllOptions(); 
autocomplete.setSelectIdPosition(); 
var inputStr = txtObj.value; 
var arrays = autocomplete.compareInput(inputStr); //匹配符合查询条件的数据 
if (arrays == null || arrays.length == 0) { 
selectObj.style.display = "none"; 
return; 
} 
selectObj.style.display = "block"; 
for (var i = 0; i < arrays.length; i++) { 
var optionParams = arrays[i].split(splitFleg); 
var opt = new Option(); 
opt.text = optionParams[0]; 
opt.value = optionParams[1]; 
selectObj.add(opt); 
} 
if (arrays.length > selectSize) { 
selectObj.size = selectSize; 
} else { 
selectObj.size = arrays.length; 
} 
} 
/** 
* 清空原来的OPTIONS 
*/ 
this.clearAllOptions = function() { 
//清空原来的OPTIONS 
var nL = selectObj.options.length; 
while (nL > 0) { 
selectObj.remove(selectObj.options.length - 1); 
nL = selectObj.options.length; 
} 
} 
//--------------------------数据检索规则--------------------- 
/** 
* 数据检索规则 
* @param {String} inputStr input框中需要进行匹配的条件 
*/ 
this.compareInput = function(inputStr) { 
if (this.cacheContainer.length == 0) { 
return; 
} 
inputStr = inputStr.replace(/(^[\s]*)/g, ""); //去前边空白字符串 
inputStr = this.deleteSpecialSpace(inputStr); //去除特殊空白字符串 
if (inputStr == null || inputStr.length == 0) { 
return this.cacheContainer; 
} 
inputStr = disableSpecialCharacter(inputStr); //特殊字符处理 
var resultArray = new Array(); 
var k = 0; 
var selectText = ""; 
for (var i = 0; i < this.cacheContainer.length; i++) { 
selectText = (this.cacheContainer[i].split(splitFleg)[0]).replace(/(^[\s]*)/g, ""); 
selectText = this.deleteSpecialSpace(selectText); 
if (compareRules(inputStr, selectText)) { //匹配规则 
resultArray[k] = this.cacheContainer[i]; 
k++; 
} 
} 
return uniqueArray(resultArray); 
} 
/** 
* 去除特殊空白字符串 
*/ 
this.deleteSpecialSpace = function(srcStr) { 
var temp = ""; 
for (var i = 0; i < srcStr.length; i++) { 
var charStr = srcStr.charAt(i); 
// 界面特殊空格Unicode=160，此空格既不是全角，也非半角 
if (charStr.charCodeAt(0) == 160) { 
continue; 
} 
temp += charStr; 
} 
return temp; 
} 
} 
/** 
* @param {String} inputStr 需要进行过滤的字符 
* 特殊字符处理 
*/ 
function disableSpecialCharacter(inputStr) { 
inputStr = inputStr.replace(new RegExp("\\\\", 'g'), "\\\\"); 
inputStr = inputStr.replace(new RegExp("\\.", 'g'), "\\."); 
inputStr = inputStr.replace(new RegExp("\\^", 'g'), "\\^"); 
inputStr = inputStr.replace(new RegExp("\\{", 'g'), "\\{"); 
inputStr = inputStr.replace(new RegExp("\\[", 'g'), "\\["); 
inputStr = inputStr.replace(new RegExp("\\(", 'g'), "\\("); 
inputStr = inputStr.replace(new RegExp("\\|", 'g'), "\\|"); 
inputStr = inputStr.replace(new RegExp("\\]", 'g'), "\\]"); 
inputStr = inputStr.replace(new RegExp("\\)", 'g'), "\\)"); 
inputStr = inputStr.replace(new RegExp("\\*", 'g'), "\\*"); 
inputStr = inputStr.replace(new RegExp("\\+", 'g'), "\\+"); 
inputStr = inputStr.replace(new RegExp("\\", 'g'), "\\"); 
return inputStr; 
} 
/** 
* 匹配规则 
* @param {String} inputStr input框字符，匹配条件 
* @param {String} selectText 被匹配文字 
*/ 
function compareRules(inputStr, selectText) { 
//匹配汉字 
return selectText.indexOf(inputStr) != -1 ; 
} 
/** 
* 过滤重复数据 
* @param {Object} arr 结果数组 
*/ 
function uniqueArray(arr) { 
if(arr == null || arr.length == 0){ 
return arr; 
} 
return arr.reverse().join(",").match( /([^,]+)("htmlcode">



/** 
* 汉子转换成拼音工具js 
*/ 
var key2code = { 
65: "a", 
66: "b", 
67: "c", 
68: "d", 
69: "e", 
70: "f", 
71: "g", 
72: "h", 
73: "i", 
74: "j", 
75: "k", 
76: "l", 
77: "m", 
78: "n", 
79: "o", 
80: "p", 
81: "q", 
82: "r", 
83: "s", 
84: "t", 
85: "u", 
86: "v", 
87: "w", 
88: "x", 
89: "y", 
90: "z", 
49: "1", 
50: "2", 
51: "3", 
52: "4", 
53: "5", 
54: "6", 
55: "7", 
56: "8", 
57: "9", 
48: "0" 
}; 
var spell = { 
0xB0A1: "a", 
0xB0A3: "ai", 
0xB0B0: "an", 
0xB0B9: "ang", 
0xB0BC: "ao", 
0xB0C5: "ba", 
0xB0D7: "bai", 
0xB0DF: "ban", 
0xB0EE: "bang", 
0xB0FA: "bao", 
0xB1AD: "bei", 
0xB1BC: "ben", 
0xB1C0: "beng", 
0xB1C6: "bi", 
0xB1DE: "bian", 
0xB1EA: "biao", 
0xB1EE: "bie", 
0xB1F2: "bin", 
0xB1F8: "bing", 
0xB2A3: "bo", 
0xB2B8: "bu", 
0xB2C1: "ca", 
0xB2C2: "cai", 
0xB2CD: "can", 
0xB2D4: "cang", 
0xB2D9: "cao", 
0xB2DE: "ce", 
0xB2E3: "ceng", 
0xB2E5: "cha", 
0xB2F0: "chai", 
0xB2F3: "chan", 
0xB2FD: "chang", 
0xB3AC: "chao", 
0xB3B5: "che", 
0xB3BB: "chen", 
0xB3C5: "cheng", 
0xB3D4: "chi", 
0xB3E4: "chong", 
0xB3E9: "chou", 
0xB3F5: "chu", 
0xB4A7: "chuai", 
0xB4A8: "chuan", 
0xB4AF: "chuang", 
0xB4B5: "chui", 
0xB4BA: "chun", 
0xB4C1: "chuo", 
0xB4C3: "ci", 
0xB4CF: "cong", 
0xB4D5: "cou", 
0xB4D6: "cu", 
0xB4DA: "cuan", 
0xB4DD: "cui", 
0xB4E5: "cun", 
0xB4E8: "cuo", 
0xB4EE: "da", 
0xB4F4: "dai", 
0xB5A2: "dan", 
0xB5B1: "dang", 
0xB5B6: "dao", 
0xB5C2: "de", 
0xB5C5: "deng", 
0xB5CC: "di", 
0xB5DF: "dian", 
0xB5EF: "diao", 
0xB5F8: "die", 
0xB6A1: "ding", 
0xB6AA: "diu", 
0xB6AB: "dong", 
0xB6B5: "dou", 
0xB6BC: "du", 
0xB6CB: "duan", 
0xB6D1: "dui", 
0xB6D5: "dun", 
0xB6DE: "duo", 
0xB6EA: "e", 
0xB6F7: "en", 
0xB6F8: "er", 
0xB7A2: "fa", 
0xB7AA: "fan", 
0xB7BB: "fang", 
0xB7C6: "fei", 
0xB7D2: "fen", 
0xB7E1: "feng", 
0xB7F0: "fo", 
0xB7F1: "fou", 
0xB7F2: "fu", 
0xB8C1: "ga", 
0xB8C3: "gai", 
0xB8C9: "gan", 
0xB8D4: "gang", 
0xB8DD: "gao", 
0xB8E7: "ge", 
0xB8F8: "gei", 
0xB8F9: "gen", 
0xB8FB: "geng", 
0xB9A4: "gong", 
0xB9B3: "gou", 
0xB9BC: "gu", 
0xB9CE: "gua", 
0xB9D4: "guai", 
0xB9D7: "guan", 
0xB9E2: "guang", 
0xB9E5: "gui", 
0xB9F5: "gun", 
0xB9F8: "guo", 
0xB9FE: "ha", 
0xBAA1: "hai", 
0xBAA8: "han", 
0xBABB: "hang", 
0xBABE: "hao", 
0xBAC7: "he", 
0xBAD9: "hei", 
0xBADB: "hen", 
0xBADF: "heng", 
0xBAE4: "hong", 
0xBAED: "hou", 
0xBAF4: "hu", 
0xBBA8: "hua", 
0xBBB1: "huai", 
0xBBB6: "huan", 
0xBBC4: "huang", 
0xBBD2: "hui", 
0xBBE7: "hun", 
0xBBED: "huo", 
0xBBF7: "ji", 
0xBCCE: "jia", 
0xBCDF: "jian", 
0xBDA9: "jiang", 
0xBDB6: "jiao", 
0xBDD2: "jie", 
0xBDED: "jin", 
0xBEA3: "jing", 
0xBEBC: "jiong", 
0xBEBE: "jiu", 
0xBECF: "ju", 
0xBEE8: "juan", 
0xBEEF: "jue", 
0xBEF9: "jun", 
0xBFA6: "ka", 
0xBFAA: "kai", 
0xBFAF: "kan", 
0xBFB5: "kang", 
0xBFBC: "kao", 
0xBFC0: "ke", 
0xBFCF: "ken", 
0xBFD3: "keng", 
0xBFD5: "kong", 
0xBFD9: "kou", 
0xBFDD: "ku", 
0xBFE4: "kua", 
0xBFE9: "kuai", 
0xBFED: "kuan", 
0xBFEF: "kuang", 
0xBFF7: "kui", 
0xC0A4: "kun", 
0xC0A8: "kuo", 
0xC0AC: "la", 
0xC0B3: "lai", 
0xC0B6: "lan", 
0xC0C5: "lang", 
0xC0CC: "lao", 
0xC0D5: "le", 
0xC0D7: "lei", 
0xC0E2: "leng", 
0xC0E5: "li", 
0xC1A9: "lia", 
0xC1AA: "lian", 
0xC1B8: "liang", 
0xC1C3: "liao", 
0xC1D0: "lie", 
0xC1D5: "lin", 
0xC1E1: "ling", 
0xC1EF: "liu", 
0xC1FA: "long", 
0xC2A5: "lou", 
0xC2AB: "lu", 
0xC2BF: "lv", 
0xC2CD: "luan", 
0xC2D3: "lue", 
0xC2D5: "lun", 
0xC2DC: "luo", 
0xC2E8: "ma", 
0xC2F1: "mai", 
0xC2F7: "man", 
0xC3A2: "mang", 
0xC3A8: "mao", 
0xC3B4: "me", 
0xC3B5: "mei", 
0xC3C5: "men", 
0xC3C8: "meng", 
0xC3D0: "mi", 
0xC3DE: "mian", 
0xC3E7: "miao", 
0xC3EF: "mie", 
0xC3F1: "min", 
0xC3F7: "ming", 
0xC3FD: "miu", 
0xC3FE: "mo", 
0xC4B1: "mou", 
0xC4B4: "mu", 
0xC4C3: "na", 
0xC4CA: "nai", 
0xC4CF: "nan", 
0xC4D2: "nang", 
0xC4D3: "nao", 
0xC4D8: "ne", 
0xC4D9: "nei", 
0xC4DB: "nen", 
0xC4DC: "neng", 
0xC4DD: "ni", 
0xC4E8: "nian", 
0xC4EF: "niang", 
0xC4F1: "niao", 
0xC4F3: "nie", 
0xC4FA: "nin", 
0xC4FB: "ning", 
0xC5A3: "niu", 
0xC5A7: "nong", 
0xC5AB: "nu", 
0xC5AE: "nv", 
0xC5AF: "nuan", 
0xC5B0: "nue", 
0xC5B2: "nuo", 
0xC5B6: "o", 
0xC5B7: "ou", 
0xC5BE: "pa", 
0xC5C4: "pai", 
0xC5CA: "pan", 
0xC5D2: "pang", 
0xC5D7: "pao", 
0xC5DE: "pei", 
0xC5E7: "pen", 
0xC5E9: "peng", 
0xC5F7: "pi", 
0xC6AA: "pian", 
0xC6AE: "piao", 
0xC6B2: "pie", 
0xC6B4: "pin", 
0xC6B9: "ping", 
0xC6C2: "po", 
0xC6CB: "pu", 
0xC6DA: "qi", 
0xC6FE: "qia", 
0xC7A3: "qian", 
0xC7B9: "qiang", 
0xC7C1: "qiao", 
0xC7D0: "qie", 
0xC7D5: "qin", 
0xC7E0: "qing", 
0xC7ED: "qiong", 
0xC7EF: "qiu", 
0xC7F7: "qu", 
0xC8A6: "quan", 
0xC8B1: "que", 
0xC8B9: "qun", 
0xC8BB: "ran", 
0xC8BF: "rang", 
0xC8C4: "rao", 
0xC8C7: "re", 
0xC8C9: "ren", 
0xC8D3: "reng", 
0xC8D5: "ri", 
0xC8D6: "rong", 
0xC8E0: "rou", 
0xC8E3: "ru", 
0xC8ED: "ruan", 
0xC8EF: "rui", 
0xC8F2: "run", 
0xC8F4: "ruo", 
0xC8F6: "sa", 
0xC8F9: "sai", 
0xC8FD: "san", 
0xC9A3: "sang", 
0xC9A6: "sao", 
0xC9AA: "se", 
0xC9AD: "sen", 
0xC9AE: "seng", 
0xC9AF: "sha", 
0xC9B8: "shai", 
0xC9BA: "shan", 
0xC9CA: "shang", 
0xC9D2: "shao", 
0xC9DD: "she", 
0xC9E9: "shen", 
0xC9F9: "sheng", 
0xCAA6: "shi", 
0xCAD5: "shou", 
0xCADF: "shu", 
0xCBA2: "shua", 
0xCBA4: "shuai", 
0xCBA8: "shuan", 
0xCBAA: "shuang", 
0xCBAD: "shui", 
0xCBB1: "shun", 
0xCBB5: "shuo", 
0xCBB9: "si", 
0xCBC9: "song", 
0xCBD1: "sou", 
0xCBD4: "su", 
0xCBE1: "suan", 
0xCBE4: "sui", 
0xCBEF: "sun", 
0xCBF2: "suo", 
0xCBFA: "ta", 
0xCCA5: "tai", 
0xCCAE: "tan", 
0xCCC0: "tang", 
0xCCCD: "tao", 
0xCCD8: "te", 
0xCCD9: "teng", 
0xCCDD: "ti", 
0xCCEC: "tian", 
0xCCF4: "tiao", 
0xCCF9: "tie", 
0xCCFC: "ting", 
0xCDA8: "tong", 
0xCDB5: "tou", 
0xCDB9: "tu", 
0xCDC4: "tuan", 
0xCDC6: "tui", 
0xCDCC: "tun", 
0xCDCF: "tuo", 
0xCDDA: "wa", 
0xCDE1: "wai", 
0xCDE3: "wan", 
0xCDF4: "wang", 
0xCDFE: "wei", 
0xCEC1: "wen", 
0xCECB: "weng", 
0xCECE: "wo", 
0xCED7: "wu", 
0xCEF4: "xi", 
0xCFB9: "xia", 
0xCFC6: "xian", 
0xCFE0: "xiang", 
0xCFF4: "xiao", 
0xD0A8: "xie", 
0xD0BD: "xin", 
0xD0C7: "xing", 
0xD0D6: "xiong", 
0xD0DD: "xiu", 
0xD0E6: "xu", 
0xD0F9: "xuan", 
0xD1A5: "xue", 
0xD1AB: "xun", 
0xD1B9: "ya", 
0xD1C9: "yan", 
0xD1EA: "yang", 
0xD1FB: "yao", 
0xD2AC: "ye", 
0xD2BB: "yi", 
0xD2F0: "yin", 
0xD3A2: "ying", 
0xD3B4: "yo", 
0xD3B5: "yong", 
0xD3C4: "you", 
0xD3D9: "yu", 
0xD4A7: "yuan", 
0xD4BB: "yue", 
0xD4C5: "yun", 
0xD4D1: "za", 
0xD4D4: "zai", 
0xD4DB: "zan", 
0xD4DF: "zang", 
0xD4E2: "zao", 
0xD4F0: "ze", 
0xD4F4: "zei", 
0xD4F5: "zen", 
0xD4F6: "zeng", 
0xD4FA: "zha", 
0xD5AA: "zhai", 
0xD5B0: "zhan", 
0xD5C1: "zhang", 
0xD5D0: "zhao", 
0xD5DA: "zhe", 
0xD5E4: "zhen", 
0xD5F4: "zheng", 
0xD6A5: "zhi", 
0xD6D0: "zhong", 
0xD6DB: "zhou", 
0xD6E9: "zhu", 
0xD7A5: "zhua", 
0xD7A7: "zhuai", 
0xD7A8: "zhuan", 
0xD7AE: "zhuang", 
0xD7B5: "zhui", 
0xD7BB: "zhun", 
0xD7BD: "zhuo", 
0xD7C8: "zi", 
0xD7D7: "zong", 
0xD7DE: "zou", 
0xD7E2: "zu", 
0xD7EA: "zuan", 
0xD7EC: "zui", 
0xD7F0: "zun", 
0xD7F2: "zuo" 
}; 
var spellArray = new Array(); 
var pn = ""; 
function pinyin(char) { 
if (!char.charCodeAt(0) || char.charCodeAt(0) < 1328) 
return char; 
if (spellArray[char.charCodeAt(0)]) 
return spellArray[char.charCodeAt(0)] 
execScript("ascCode=hex(asc(\"" + char + "\"))", "vbscript"); 
ascCode = eval("0x" + ascCode); 
if (!(ascCode > 0xB0A0 && ascCode < 0xD7F3)) 
return char; 
for (var i = ascCode;(!spell[i] && i > 0);) 
i--; 
return spell[i]; 
} 
function toPinyin(str) { 
var pStr = "" 
for (var i = 0; i < str.length; i++) { 
if (str.charAt(i) == "\n") 
pStr += "<br>" 
else 
pStr += "<ruby style='ruby-align:center'> " + str.charAt(i) + " <rt>" + pinyin(str.charAt(i)) + "</rt></ruby>" 
// else pStr += pinyin(str.charAt(i)) + " " 
} 
return pStr; 
} 
function toPinyinOnly(str) { 
var pStr = "" 
for (var i = 0; i < str.length; i++) { 
if (str.charAt(i) == "\n") 
pStr += "<br>" 
else 
pStr += pinyin(str.charAt(i)); 
//pStr += " " + pinyin(str.charAt(i)); 
// else pStr += pinyin(str.charAt(i)) + " " 
} 
return pStr; 
} 
function toPinyinShengmu(str) { 
var pStr = "" 
for (var i = 0; i < str.length; i++) { 
if (str.charAt(i) == "\n") 
pStr += ""; 
else 
pStr += pinyin(str.charAt(i)).charAt(0); 
// else pStr += pinyin(str.charAt(i)) + " " 
} 
return pStr; 
} 
function pinyinSort(a, b) { 
var rValue = 0 
for (var i = 0; i < a.length; i++) { 
var pinA = pinyin(a.charAt(i)) 
var pinB = pinyin(b.charAt(i)) 
if (rValue = pinA > pinB "UTF-8"> 
<title></title> 
<script type="text/javascript" src="/UploadFiles/2021-04-02/autoComplete.js">


注意：该版本有一些bug和对其他（除ie）浏览器不兼容性。


以上所述是小编给大家介绍的在IE8上JS实现combobox支持拼音检索功能的相关知识，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！


                                

                                

                                     

                                
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