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30 lines
3.0 KiB
JavaScript
30 lines
3.0 KiB
JavaScript
/* PCAS (Province City Area Selector 省、市、地区联动选择JS封装类) Ver 2.02 完整版 *\
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制作时间:2005-12-30
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更新时间:2006-01-24
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数据修正:2012-01-17（截止2011年10月31日）
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演示地址:http://www.popub.net/script/pcasunzip.html
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下载地址:http://www.popub.net/script/pcasunzip.js
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应用说明:页面包含<script type="text/javascript" src="pcasunzip.js" charset="gb2312"></script>
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省市联动
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new PCAS("Province","City")
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new PCAS("Province","City","吉林省")
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new PCAS("Province","City","吉林省","吉林市")
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省市地区联动
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new PCAS("Province","City","Area")
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new PCAS("Province","City","Area","吉林省")
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new PCAS("Province","City","Area","吉林省","松原市")
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new PCAS("Province","City","Area","吉林省","松原市","宁江区")
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省、市、地区对象取得的值均为实际值。
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注：省、市、地区提示信息选项的值为""(空字符串)
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\*** 程序制作/版权所有:崔永祥(333) E-Mail:zhadan007@21cn.com 网址:http://www.popub.net ***/
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SPT = "-省份-";
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SCT = "-城市-";
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SAT = "-地区-";
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ShowT = 0; /* 提示文字 0:不显示 1:显示 */
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PCAD = "__STRING__";
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if (ShowT)PCAD = SPT + "$" + SCT + "," + SAT + "#" + PCAD; PCAArea = []; PCAP = []; PCAC = []; PCAA = []; PCAN = PCAD.split("#"); for (i = 0; i < PCAN.length; i++){PCAA[i] = []; TArea = PCAN[i].split("$")[1].split("|"); for (j = 0; j < TArea.length; j++){PCAA[i][j] = TArea[j].split(","); if (PCAA[i][j].length == 1)PCAA[i][j][1] = SAT; TArea[j] = TArea[j].split(",")[0]}PCAArea[i] = PCAN[i].split("$")[0] + "," + TArea.join(","); PCAP[i] = PCAArea[i].split(",")[0]; PCAC[i] = PCAArea[i].split(',')}function PCAS(){this.SelP = document.getElementsByName(arguments[0])[0]; this.SelC = document.getElementsByName(arguments[1])[0]; this.SelA = document.getElementsByName(arguments[2])[0]; this.DefP = this.SelA?arguments[3]:arguments[2]; this.DefC = this.SelA?arguments[4]:arguments[3]; this.DefA = this.SelA?arguments[5]:arguments[4]; this.SelP.PCA = this; this.SelC.PCA = this; this.SelP.onchange = function(){PCAS.SetC(this.PCA)}; if (this.SelA)this.SelC.onchange = function(){PCAS.SetA(this.PCA)}; PCAS.SetP(this)}; PCAS.SetP = function(PCA){for (i = 0; i < PCAP.length; i++){PCAPT = PCAPV = PCAP[i]; if (PCAPT == SPT)PCAPV = ""; PCA.SelP.options.add(new Option(PCAPT, PCAPV)); if (PCA.DefP == PCAPV)PCA.SelP[i].selected = true}PCAS.SetC(PCA)}; PCAS.SetC = function(PCA){PI = PCA.SelP.selectedIndex; PCA.SelC.length = 0; for (i = 1; i < PCAC[PI].length; i++){PCACT = PCACV = PCAC[PI][i]; if (PCACT == SCT)PCACV = ""; PCA.SelC.options.add(new Option(PCACT, PCACV)); if (PCA.DefC == PCACV)PCA.SelC[i - 1].selected = true}if (PCA.SelA)PCAS.SetA(PCA)}; PCAS.SetA = function(PCA){PI = PCA.SelP.selectedIndex; CI = PCA.SelC.selectedIndex; PCA.SelA.length = 0; for (i = 1; i < PCAA[PI][CI].length; i++){PCAAT = PCAAV = PCAA[PI][CI][i]; if (PCAAT == SAT)PCAAV = ""; PCA.SelA.options.add(new Option(PCAAT, PCAAV)); if (PCA.DefA == PCAAV)PCA.SelA[i - 1].selected = true} try{$(PCA.SelA).trigger('change')} catch (e){}} |