jquery.select.more.js
代码如下:
(function($){
$.fn.doselectmore = function(settings) {
var dfop ={
namekey: "name",
pnamekey: "name",
idkey: "id",
selectname:"sel",
method: "POST",
datatype: "json",
param:{},
pval:null,
chckval:null,
chckvalarry:null,
pname:false,
nname:false,
vl:0,
url: false,
data: false
};
$.extend(dfop, settings);
// alert(eobj(dfop));
var me = $(this);
if(!dfop.nname){
dfop.nname = (dfop.selectname+(dfop.vl+1));
}
if((!dfop.pname)&&dfop.vl>0){
dfop.pname = dfop.selectname+(dfop.vl-1);
}
if(!dfop.data){
if (dfop.url) {
var param = {};
$.ajax({
type: dfop.method,
url: dfop.url,
data: dfop.param,
dataType: dfop.datatype,
success: function(data){
dfop.data=data;
selectmorebuilder(me,dfop);
},
error:(function(request,status,err){
var errText = request.responseText;
var ErrMessage = "页面出现"+request.status+"错误信息，/n";
ErrMessage += "错误内容为："+request.statusText+"/n"+errText.substring(errText.indexOf("<pre>")+5,errText.indexOf("</pre>"));
alert(ErrMessage);
})
});
}
}else{
selectmorebuilder(me,dfop);
}
function selectmorebuilder(thisme,df) {
if(df.chckval!=null&&df.chckvalarry==null){
var pid=df.chckval;
var k=1;
df.chckvalarry = new Array();
df.chckvalarry.push(pid);
while(k>0){
k=0;
$.each(df.data, function(i, item){
if(item[df.idkey]==pid&&item[df.pnamekey]!=df.pval){
pid=item[df.pnamekey];
df.chckvalarry.unshift(pid);
k++;
}
});
}
}
// alert(eobj(df.chckvalarry));
var select = $("<select></select>");
select.attr({
name:df.selectname+dfop.vl,
id:df.selectname+dfop.vl,
nname:df.nname,
pname:df.pname,
vl:df.vl
});
var sdiv = null;
if (dfop.vl == 0) {
sdiv = $("<div></div>");
thisme.after(sdiv).remove();
sdiv.append("<input type=/"hidden/" name=/"" + df.selectname + "/">");
sdiv.append(select);
sdiv.get(0).t=df;
}else{
thisme.removeselectmore();
sdiv = $("input[name="+df.selectname+"]").parent();
sdiv.append(select);
}
select.empty();
var counti = 0;
$.each(df.data, function(i, item){
if(item[df.pnamekey]==df.pval){
select.append("<option value='"+item[df.idkey]+"'>"+item[df.namekey]+"</option>");
counti++;
}
});
if (counti == 0) {
select.remove();
}
else {
select.change(function(){
var nselect = $("#" + $(this).attr("nname"));
if (nselect.length == 0) {
nselect = $("<select></select>");
sdiv.append(nselect);
}
nselect.doselectmore({
namekey: df.namekey,
pnamekey: df.pnamekey,
idkey: df.idkey,
selectname: df.selectname,
param: df.param,
pval: $(this).val(),
vl: df.vl + 1,
chckvalarry:sdiv.get(0).t.chckvalarry,
data: df.data
});
});
