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JavaScript打造城市选择控件(1)(2)

时间:2013-03-06 14:58来源:未知 作者:admin 点击:
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然后总的JS代码如下: ViewCode /** *----------------------------------------* *城市选择组件v1.0 *Author:VVG *QQ:83816819 *Mail:mysheller@163.com *http://www.cnblogs.com/NNUF/ *----------

然后总的JS代码如下:

  1. View Code   
  2.  
  3. /* *  
  4.  * ---------------------------------------- *  
  5.  * 城市选择组件 v1.0  
  6.  * Author: VVG  
  7.  * QQ: 83816819  
  8.  * Mail: mysheller@163.com  
  9.  * http://www.cnblogs.com/NNUF/  
  10.  * ---------------------------------------- *  
  11.  * Date: 2012-07-10  
  12.  * ---------------------------------------- *  
  13.  * */ 
  14.  
  15. /* *  
  16.  * 全局空间 Vcity  
  17.  * */ 
  18. var Vcity = {};  
  19. /* *  
  20.  * 静态方法集  
  21.  * @name _m  
  22.  * */ 
  23. Vcity._m = {  
  24.     /* 选择元素 */ 
  25.     $:function (arg, context) {  
  26.         var tagAll, n, eles = [], i, sub = arg.substring(1);  
  27.         context = context || document;  
  28.         if (typeof arg == 'string') {  
  29.             switch (arg.charAt(0)) {  
  30.                 case '#':  
  31.                     return document.getElementById(sub);  
  32.                     break;  
  33.                 case '.':  
  34.                     if (context.getElementsByClassName) return context.getElementsByClassName(sub);  
  35.                     tagAll = Vcity._m.$('*', context);  
  36.                     n = tagAll.length;  
  37.                     for (i = 0; i < n; i++) {  
  38.                         if (tagAll[i].className.indexOf(sub) > -1) eles.push(tagAll[i]);  
  39.                     }  
  40.                     return eles;  
  41.                     break;  
  42.                 default:  
  43.                     return context.getElementsByTagName(arg);  
  44.                     break;  
  45.             }  
  46.         }  
  47.     },  
  48.  
  49.     /* 绑定事件 */ 
  50.     on:function (node, type, handler) {  
  51.         node.addEventListener ? node.addEventListener(type, handler, false) : node.attachEvent('on' + type, handler);  
  52.     },  
  53.  
  54.     /* 获取事件 */ 
  55.     getEvent:function(event){  
  56.         return event || window.event;  
  57.     },  
  58.  
  59.     /* 获取事件目标 */ 
  60.     getTarget:function(event){  
  61.         return event.target || event.srcElement;  
  62.     },  
  63.  
  64.     /* 获取元素位置 */ 
  65.     getPos:function (node) {  
  66.         var scrollx = document.documentElement.scrollLeft || document.body.scrollLeft,  
  67.             scrollt = document.documentElement.scrollTop || document.body.scrollTop;  
  68.         var pos = node.getBoundingClientRect();  
  69.         return {top:pos.top + scrollt, right:pos.right + scrollx, bottom:pos.bottom + scrollt, left:pos.left + scrollx }  
  70.     },  
  71.  
  72.     /* 添加样式名 */ 
  73.     addClass:function (c, node) {  
  74.         if(!node)return;  
  75.         node.className = Vcity._m.hasClass(c,node) ? node.className : node.className + ' ' + c ;  
  76.     },  
  77.  
  78.     /* 移除样式名 */ 
  79.     removeClass:function (c, node) {  
  80.         var reg = new RegExp("(^|\\s+)" + c + "(\\s+|$)""g");  
  81.         if(!Vcity._m.hasClass(c,node))return;  
  82.         node.className = reg.test(node.className) ? node.className.replace(reg, '') : node.className;  
  83.     },  
  84.  
  85.     /* 是否含有CLASS */ 
  86.     hasClass:function (c, node) {  
  87.         if(!node || !node.className)return false;  
  88.         return node.className.indexOf(c)>-1;  
  89.     },  
  90.  
  91.     /* 阻止冒泡 */ 
  92.     stopPropagation:function (event) {  
  93.         event = event || window.event;  
  94.         event.stopPropagation ? event.stopPropagation() : event.cancelBubble = true;  
  95.     },  
  96.     /* 去除两端空格 */ 
  97.     trim:function (str) {  
  98.         return str.replace(/^\s+|\s+$/g,'');  
  99.     }  
  100. };  
  101.  
  102. /* 所有城市数据,可以按照格式自行添加(北京|beijing|bj),前16条为热门城市 */ 
  103.  
  104. Vcity.allCity = ['北京|beijing|bj','上海|shanghai|sh''重庆|chongqing|cq',  '深圳|shenzhen|sz''广州|guangzhou|gz''杭州|hangzhou|hz',  
  105.     '南京|nanjing|nj''苏州|shuzhou|sz''天津|tianjin|tj''成都|chengdu|cd''南昌|nanchang|nc''三亚|sanya|sy','青岛|qingdao|qd',  
  106.     '厦门|xiamen|xm''西安|xian|xa','长沙|changsha|cs','合肥|hefei|hf','西藏|xizang|xz''内蒙古|neimenggu|nmg''安庆|anqing|aq''阿泰勒|ataile|atl''安康|ankang|ak',  
  107.     '阿克苏|akesu|aks''包头|baotou|bt''北海|beihai|bh''百色|baise|bs','保山|baoshan|bs''长治|changzhi|cz''长春|changchun|cc''常州|changzhou|cz''昌都|changdu|cd',  
  108.     '朝阳|chaoyang|cy''常德|changde|cd''长白山|changbaishan|cbs''赤峰|chifeng|cf''大同|datong|dt''大连|dalian|dl''达县|daxian|dx''东营|dongying|dy''大庆|daqing|dq''丹东|dandong|dd',  
  109.     '大理|dali|dl''敦煌|dunhuang|dh''鄂尔多斯|eerduosi|eeds''恩施|enshi|es''福州|fuzhou|fz''阜阳|fuyang|fy''贵阳|guiyang|gy',  
  110.     '桂林|guilin|gl''广元|guangyuan|gy''格尔木|geermu|gem''呼和浩特|huhehaote|hhht''哈密|hami|hm',  
  111.     '黑河|heihe|hh''海拉尔|hailaer|hle''哈尔滨|haerbin|heb''海口|haikou|hk''黄山|huangshan|hs''邯郸|handan|hd',  
  112.     '汉中|hanzhong|hz''和田|hetian|ht''晋江|jinjiang|jj''锦州|jinzhou|jz''景德镇|jingdezhen|jdz',  
  113.     '嘉峪关|jiayuguan|jyg''井冈山|jinggangshan|jgs''济宁|jining|jn''九江|jiujiang|jj''佳木斯|jiamusi|jms''济南|jinan|jn',  
  114.     '喀什|kashi|ks''昆明|kunming|km''康定|kangding|kd''克拉玛依|kelamayi|klmy''库尔勒|kuerle|kel''库车|kuche|kc''兰州|lanzhou|lz',  
  115.     '洛阳|luoyang|ly''丽江|lijiang|lj''林芝|linzhi|lz''柳州|liuzhou|lz''泸州|luzhou|lz''连云港|lianyungang|lyg''黎平|liping|lp',  
  116.     '连成|liancheng|lc''拉萨|lasa|ls''临沧|lincang|lc''临沂|linyi|ly''芒市|mangshi|ms''牡丹江|mudanjiang|mdj''满洲里|manzhouli|mzl''绵阳|mianyang|my',  
  117.     '梅县|meixian|mx''漠河|mohe|mh''南充|nanchong|nc''南宁|nanning|nn''南阳|nanyang|ny''南通|nantong|nt''那拉提|nalati|nlt',  
  118.     '宁波|ningbo|nb''攀枝花|panzhihua|pzh''衢州|quzhou|qz''秦皇岛|qinhuangdao|qhd''庆阳|qingyang|qy''齐齐哈尔|qiqihaer|qqhe',  
  119.     '石家庄|shijiazhuang|sjz',  '沈阳|shenyang|sy''思茅|simao|sm''铜仁|tongren|tr''塔城|tacheng|tc''腾冲|tengchong|tc''台州|taizhou|tz',  
  120.     '通辽|tongliao|tl''太原|taiyuan|ty''威海|weihai|wh''梧州|wuzhou|wz''文山|wenshan|ws''无锡|wuxi|wx''潍坊|weifang|wf''武夷山|wuyishan|wys''乌兰浩特|wulanhaote|wlht',  
  121.     '温州|wenzhou|wz''乌鲁木齐|wulumuqi|wlmq''万州|wanzhou|wz''乌海|wuhai|wh''兴义|xingyi|xy''西昌|xichang|xc',  '襄樊|xiangfan|xf',  
  122.     '西宁|xining|xn''锡林浩特|xilinhaote|xlht''西双版纳|xishuangbanna|xsbn''徐州|xuzhou|xz''义乌|yiwu|yw''永州|yongzhou|yz''榆林|yulin|yl''延安|yanan|ya''运城|yuncheng|yc',  
  123.     '烟台|yantai|yt''银川|yinchuan|yc''宜昌|yichang|yc''宜宾|yibin|yb''盐城|yancheng|yc''延吉|yanji|yj''玉树|yushu|ys''伊宁|yining|yn''珠海|zhuhai|zh''昭通|zhaotong|zt',  
  124.     '张家界|zhangjiajie|zjj''舟山|zhoushan|zs''郑州|zhengzhou|zz''中卫|zhongwei|zw''芷江|zhijiang|zj''湛江|zhanjiang|zj'];  
  125.  
  126. /* 正则表达式 筛选中文城市名、拼音、首字母 */ 
  127.  
  128. Vcity.regEx = /^([\u4E00-\u9FA5\uf900-\ufa2d]+)\|(\w+)\|(\w)\w*$/i;  
  129. Vcity.regExChiese = /([\u4E00-\u9FA5\uf900-\ufa2d]+)/;  
  130.  
  131. /* *  
  132.  * 格式化城市数组为对象oCity,按照a-h,i-p,q-z,hot热门城市分组:  
  133.  * {HOT:{hot:[]},ABCDEFGH:{a:[1,2,3],b:[1,2,3]},IJKLMNOP:{i:[1.2.3],j:[1,2,3]},QRSTUVWXYZ:{}}  
  134.  * */ 
  135.  
  136. (function () {  
  137.     var citys = Vcity.allCity, match, letter,  
  138.         regEx = Vcity.regEx,  
  139.         reg2 = /^[a-h]$/i, reg3 = /^[i-p]$/i, reg4 = /^[q-z]$/i;  
  140.     if (!Vcity.oCity) {  
  141.         Vcity.oCity = {hot:{},ABCDEFGH:{}, IJKLMNOP:{}, QRSTUVWXYZ:{}};  
  142.         //console.log(citys.length);  
  143.         for (var i = 0, n = citys.length; i < n; i++) {  
  144.             match = regEx.exec(citys[i]);  
  145.             letter = match[3].toUpperCase();  
  146.             if (reg2.test(letter)) {  
  147.                 if (!Vcity.oCity.ABCDEFGH[letter]) Vcity.oCity.ABCDEFGH[letter] = [];  
  148.                 Vcity.oCity.ABCDEFGH[letter].push(match[1]);  
  149.             } else if (reg3.test(letter)) {  
  150.                 if (!Vcity.oCity.IJKLMNOP[letter]) Vcity.oCity.IJKLMNOP[letter] = [];  
  151.                 Vcity.oCity.IJKLMNOP[letter].push(match[1]);  
  152.             } else if (reg4.test(letter)) {  
  153.                 if (!Vcity.oCity.QRSTUVWXYZ[letter]) Vcity.oCity.QRSTUVWXYZ[letter] = [];  
  154.                 Vcity.oCity.QRSTUVWXYZ[letter].push(match[1]);  
  155.             }  
  156.             /* 热门城市 前16条 */ 
  157.             if(i<16){  
  158.                 if(!Vcity.oCity.hot['hot']) Vcity.oCity.hot['hot'] = [];  
  159.                 Vcity.oCity.hot['hot'].push(match[1]);  
  160.             }  
  161.         }  
  162.     }  
  163. })();  
  164. /* 城市HTML模板 */ 
  165. Vcity._template = [  
  166.     '<p class="tip">热门城市(支持汉字/拼音)</p>',  
  167.     '<ul>',  
  168.     '<li class="on">热门城市</li>',  
  169.     '<li>ABCDEFGH</li>',  
  170.     '<li>IJKLMNOP</li>',  
  171.     '<li>QRSTUVWXYZ</li>',  
  172.     '</ul>' 
  173. ];  
  174.  
  175. /* *  
  176.  * 城市控件构造函数  
  177.  * @CitySelector  
  178.  * */ 
  179.  
  180. Vcity.CitySelector = function () {  
  181.     this.initialize.apply(this, arguments);  
  182. };  
  183.  
  184. Vcity.CitySelector.prototype = {  
  185.  
  186.     constructor:Vcity.CitySelector,  
  187.  
  188.     /* 初始化 */ 
  189.  
  190.     initialize :function (options) {  
  191.         var input = options.input;  
  192.         this.input = Vcity._m.$('#'+ input);  
  193.         this.inputEvent();  
  194.     },  
  195.  
  196.     /* *  
  197.      * @createWarp  
  198.      * 创建城市BOX HTML 框架  
  199.      * */ 
  200.  
  201.     createWarp:function(){  
  202.         var inputPos = Vcity._m.getPos(this.input);  
  203.         var div = this.rootDiv = document.createElement('div');  
  204.         var that = this;  
  205.  
  206.         // 设置DIV阻止冒泡  
  207.         Vcity._m.on(this.rootDiv,'click',function(event){  
  208.             Vcity._m.stopPropagation(event);  
  209.         });  
  210.  
  211.         // 设置点击文档隐藏弹出的城市选择框  
  212.         Vcity._m.on(document, 'click'function (event) {  
  213.             event = Vcity._m.getEvent(event);  
  214.             var target = Vcity._m.getTarget(event);  
  215.             if(target == that.input) return false;  
  216.             //console.log(target.className);  
  217.             if (that.cityBox)Vcity._m.addClass('hide', that.cityBox);  
  218.             if (that.ul)Vcity._m.addClass('hide', that.ul);  
  219.             if(that.myIframe)Vcity._m.addClass('hide',that.myIframe);  
  220.         });  
  221.         div.className = 'citySelector';  
  222.         div.style.position = 'absolute';  
  223.         div.style.left = inputPos.left + 'px';  
  224.         div.style.top = inputPos.bottom + 'px';  
  225.         div.style.zIndex = 999999;  
  226.  
  227.         // 判断是否IE6,如果是IE6需要添加iframe才能遮住SELECT框  
  228.         var isIe = (document.all) ? true : false;  
  229.         var isIE6 = this.isIE6 = isIe && !window.XMLHttpRequest;  
  230.         if(isIE6){  
  231.             var myIframe = this.myIframe =  document.createElement('iframe');  
  232.             myIframe.frameborder = '0';  
  233.             myIframe.src = 'about:blank';  
  234.             myIframe.style.position = 'absolute';  
  235.             myIframe.style.zIndex = '-1';  
  236.             this.rootDiv.appendChild(this.myIframe);  
  237.         }  
  238.  
  239.         var childdiv = this.cityBox = document.createElement('div');  
  240.         childdiv.className = 'cityBox';  
  241.         childdiv.id = 'cityBox';  
  242.         childdiv.innerHTML = Vcity._template.join('');  
  243.         var hotCity = this.hotCity =  document.createElement('div');  
  244.         hotCity.className = 'hotCity';  
  245.         childdiv.appendChild(hotCity);  
  246.         div.appendChild(childdiv);  
  247.         this.createHotCity();  
  248.     },  
  249.  
  250.     /* *  
  251.      * @createHotCity  
  252.      * TAB下面DIV:hot,a-h,i-p,q-z 分类HTML生成,DOM操作  
  253.      * {HOT:{hot:[]},ABCDEFGH:{a:[1,2,3],b:[1,2,3]},IJKLMNOP:{},QRSTUVWXYZ:{}}  
  254.      **/ 
  255.  
  256.     createHotCity:function(){  
  257.         var odiv,odl,odt,odd,odda=[],str,key,ckey,sortKey,regEx = Vcity.regEx,  
  258.             oCity = Vcity.oCity;  
  259.         for(key in oCity){  
  260.             odiv = this[key] = document.createElement('div');  
  261.             // 先设置全部隐藏hide  
  262.             odiv.className = key + ' ' + 'cityTab hide';  
  263.             sortKey=[];  
  264.             for(ckey in oCity[key]){  
  265.                 sortKey.push(ckey);  
  266.                 // ckey按照ABCDEDG顺序排序  
  267.                 sortKey.sort();  
  268.             }  
  269.             for(var j=0,k = sortKey.length;j<k;j++){  
  270.                 odl = document.createElement('dl');  
  271.                 odt = document.createElement('dt');  
  272.                 odd = document.createElement('dd');  
  273.                 odt.innerHTML = sortKey[j] == 'hot'?'&nbsp;':sortKey[j];  
  274.                 odda = [];  
  275.                 for(var i=0,n=oCity[key][sortKey[j]].length;i<n;i++){  
  276.                     str = '<a href="javascript:">' + oCity[key][sortKey[j]][i] + '</a>';  
  277.                     odda.push(str);  
  278.                 }  
  279.                 odd.innerHTML = odda.join('');  
  280.                 odl.appendChild(odt);  
  281.                 odl.appendChild(odd);  
  282.                 odiv.appendChild(odl);  
  283.             }  
  284.  
  285.             // 移除热门城市的隐藏CSS  
  286.             Vcity._m.removeClass('hide',this.hot);  
  287.             this.hotCity.appendChild(odiv);  
  288.         }  
  289.         document.body.appendChild(this.rootDiv);  
  290.         /* IE6 */ 
  291.         this.changeIframe();  
  292.  
  293.         this.tabChange();  
  294.         this.linkEvent();  
  295.     },  
  296.  
  297.     /* *  
  298.      *  tab按字母顺序切换  
  299.      *  @ tabChange  
  300.      * */ 
  301.  
  302.     tabChange:function(){  
  303.         var lis = Vcity._m.$('li',this.cityBox);  
  304.         var divs = Vcity._m.$('div',this.hotCity);  
  305.         var that = this;  
  306.         for(var i=0,n=lis.length;i<n;i++){  
  307.             lis[i].index = i;  
  308.             lis[i].onclick = function(){  
  309.                 for(var j=0;j<n;j++){  
  310.                     Vcity._m.removeClass('on',lis[j]);  
  311.                     Vcity._m.addClass('hide',divs[j]);  
  312.                 }  
  313.                 Vcity._m.addClass('on',this);  
  314.                 Vcity._m.removeClass('hide',divs[this.index]);  
  315.                 /* IE6 改变TAB的时候 改变Iframe 大小*/ 
  316.                 that.changeIframe();  
  317.             };  
  318.         }  
  319.     },  
  320.  
  321.     /* *  
  322.      * 城市LINK事件  
  323.      *  @linkEvent  
  324.      * */ 
  325.  
  326.     linkEvent:function(){  
  327.         var links = Vcity._m.$('a',this.hotCity);  
  328.         var that = this;  
  329.         for(var i=0,n=links.length;i<n;i++){  
  330.             links[i].onclick = function(){  
  331.                 that.input.value = this.innerHTML;  
  332.                 Vcity._m.addClass('hide',that.cityBox);  
  333.                 /* 点击城市名的时候隐藏myIframe */ 
  334.                 Vcity._m.addClass('hide',that.myIframe);  
  335.             }  
  336.         }  
  337.     },  
  338.  
  339.     /* *  
  340.      * INPUT城市输入框事件  
  341.      * @inputEvent  
  342.      * */ 
  343.  
  344.     inputEvent:function(){  
  345.         var that = this;  
  346.         Vcity._m.on(this.input,'click',function(event){  
  347.             event = event || window.event;  
  348.             if(!that.cityBox){  
  349.                 that.createWarp();  
  350.             }else if(!!that.cityBox && Vcity._m.hasClass('hide',that.cityBox)){  
  351.                 // slideul 不存在或者 slideul存在但是是隐藏的时候 两者不能共存  
  352.                 if(!that.ul || (that.ul && Vcity._m.hasClass('hide',that.ul))){  
  353.                     Vcity._m.removeClass('hide',that.cityBox);  
  354.  
  355.                     /* IE6 移除iframe 的hide 样式 */ 
  356.                     //alert('click');  
  357.                     Vcity._m.removeClass('hide',that.myIframe);  
  358.                     that.changeIframe();  
  359.                 }  
  360.             }  
  361.         });  
  362.         Vcity._m.on(this.input,'focus',function(){  
  363.             that.input.select();  
  364.             if(that.input.value == '城市名') that.input.value = '';  
  365.         });  
  366.         Vcity._m.on(this.input,'blur',function(){  
  367.             if(that.input.value == '') that.input.value = '城市名';  
  368.         });  
  369.         Vcity._m.on(this.input,'keyup',function(event){  
  370.             event = event || window.event;  
  371.             var keycode = event.keyCode;  
  372.             Vcity._m.addClass('hide',that.cityBox);  
  373.             that.createUl();  
  374.  
  375.             /* 移除iframe 的hide 样式 */ 
  376.             Vcity._m.removeClass('hide',that.myIframe);  
  377.  
  378.             // 下拉菜单显示的时候捕捉按键事件  
  379.             if(that.ul && !Vcity._m.hasClass('hide',that.ul) && !that.isEmpty){  
  380.                 that.KeyboardEvent(event,keycode);  
  381.             }  
  382.         });  
  383.   
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