lyhucSelect基于Jquery的Select数据联动插件

数据源：

var areaInfo = new Array(); 
areaInfo[0] = new Array(); 
areaInfo[0][0]="1"; 
areaInfo[0][1]="Beijing"; 
areaInfo[0][2]="0"; 
areaInfo[0][3]="0"; 
areaInfo[1] = new Array(); 
areaInfo[1][0]="2"; 
areaInfo[1][1]="Shanghai"; 
areaInfo[1][2]="0"; 
areaInfo[1][3]="0"; 
areaInfo[2] = new Array(); 
areaInfo[2][0]="3"; 
areaInfo[2][1]="Jing'an"; 
areaInfo[2][2]="2"; 
areaInfo[2][3]="0"; 
areaInfo[3] = new Array(); 
areaInfo[3][0]="4"; 
areaInfo[3][1]="Changning"; 
areaInfo[3][2]="2"; 
areaInfo[3][3]="0"; 
areaInfo[4] = new Array(); 
areaInfo[4][0]="5"; 
areaInfo[4][1]="Luwan"; 
areaInfo[4][2]="2"; 
areaInfo[4][3]="0"; 
areaInfo[5] = new Array(); 
areaInfo[5][0]="6"; 
areaInfo[5][1]="Huangp"; 
areaInfo[5][2]="2"; 
areaInfo[5][3]="0"; 
areaInfo[6] = new Array(); 
areaInfo[6][0]="7"; 
areaInfo[6][1]="Pudong"; 
areaInfo[6][2]="2"; 
areaInfo[6][3]="0"; 
areaInfo[7] = new Array(); 
areaInfo[7][0]="8"; 
areaInfo[7][1]="Minhang"; 
areaInfo[7][2]="2"; 
areaInfo[7][3]="0"; 
areaInfo[8] = new Array(); 
areaInfo[8][0]="9"; 
areaInfo[8][1]="Qingpu"; 
areaInfo[8][2]="2"; 
areaInfo[8][3]="0"; 
areaInfo[9] = new Array(); 
areaInfo[9][0]="10"; 
areaInfo[9][1]="Hongkou"; 
areaInfo[9][2]="2"; 
areaInfo[9][3]="0"; 
areaInfo[10] = new Array(); 
areaInfo[10][0]="11"; 
areaInfo[10][1]="Zhabei"; 
areaInfo[10][2]="2"; 
areaInfo[10][3]="0"; 
areaInfo[11] = new Array(); 
areaInfo[11][0]="12"; 
areaInfo[11][1]="Putuo"; 
areaInfo[11][2]="2"; 
areaInfo[11][3]="0"; 
areaInfo[12] = new Array(); 
areaInfo[12][0]="13"; 
areaInfo[12][1]="Yangpu"; 
areaInfo[12][2]="2"; 
areaInfo[12][3]="0"; 
areaInfo[13] = new Array(); 
areaInfo[13][0]="14"; 
areaInfo[13][1]="Others"; 
areaInfo[13][2]="2"; 
areaInfo[13][3]="0";

jquery.lyhucSelect.js

(function($) { 
$.fn.lyhucSelect = function(options) { 
var element = this; 
var elementid = "#" + element[0].id; 
var defaults = { 
dataSource:{}, 
subSelect:'#subcategory', 
option:{text:'--Select--',value:''}, 
value:'0', 
parentid:0 
}; 
var options = $.extend(defaults, options); 
var defaultoption = new Option(); 
var defaultsuboption = new Option(); 
(function init(){ 
defaultoption.text=options.option.text; 
defaultoption.value=options.option.value; 
$(elementid).append(defaultoption); 
defaultsuboption.text=options.option.text; 
defaultsuboption.value=options.option.value; 
$(options.subSelect).append(defaultsuboption); 
$(options.dataSource).each(function(i){ 
var id=options.dataSource[i][0]; 
var mc=options.dataSource[i][1]; 
if(options.parentid==options.dataSource[i][2]) 
{ 
var newoption = new Option(); 
newoption.value=id; 
newoption.text=mc; 
$(elementid).append(newoption); 
} 
}); 
})(); 
return this.each(function(){ 
$(this).bind("change",function(e){ 
var currentVal=$(this).val(); 
var tmpDepth=0; 
$(options.subSelect).empty(); 
$(options.dataSource).each(function(i){ 
var id=options.dataSource[i][0]; 
var mc=options.dataSource[i][1]; 
if(currentVal==options.dataSource[i][2]) 
{ 
var newoption = new Option(); 
newoption.value=id; 
newoption.text=mc; 
$(options.subSelect).append(newoption); 
tmpDepth++; 
} 
}); 
if(tmpDepth==0) 
{ 
var parentoption = new Option(); 
parentoption.value=$(elementid).val(); 
parentoption.text=$(elementid).find('option:selected').text(); 
$(options.subSelect).append(parentoption); 
} 
}); 
}); 
}; 
})(jQuery);

调用：
$('#cityCategory').lyhucSelect({dataSource:areaInfo,subSelect:'#areCategory'});
效果：