},path: root.attr("val") || 0,sChar: ',',change: function (v) { }
};
//参数合并
def = j.extend({},def,option);
//是否初始化
ispath() ? init() : create(def.str);
//请求<a href="https://www.jb51.cc/tag/fenlei/" target="_blank" class="keywords">分类</a>并选中
function create(id,o,v) {
  if (!id || parseInt(id) == -1)
    return o.nextAll().remove();
  //创建select
  var select = j("<select></select>").hide();
  _b(select);
  //<a href="https://www.jb51.cc/tag/tianjia/" target="_blank" class="keywords">添加</a>到容器内
  if (o) o.nextAll().remove();
  root.append(select);
  //发起Ajax请求
  j.ajax({
    type: "GET",url: def.url,data: { id: id },dataType: "json",cache: true,success: function (json) {
      datainit(select,json,v);
    }
  })

}
function datainit(select,data,v) {
  _c(select,data).val(v || -1);
  if (select.children("option").length <= 1) {
    select.remove();
    return;
  }
  else
    select.removeAttr("style");
}
//判断是否符合格式
function ispath() {
  return def.path && /^(\d{1,},)*\d{1,}$/.test(def.path) && def.path != '0,0';
}
//创建值
function _v() {
  var v = new Array(),vtext = new Array();
  v.push(0);
  root.children("select").each(function () {
    if (j(this).val() > 0) {
      v.push(j(this).val());
      vtext.push(j(this).children("option[selected]").text())
    }
  })
  root.attr("val",v.join(','));
  root.attr("vtext",vtext.join("&gt;"));
  def.change(v);
}
//初始化
function init() {
  if (ispath()) {
    var list = def.path.split(def.sChar);
    for (var i in list) {
      create(list[i],null,list[++i]);
    }
    return;
  }
  alert("Error:<a href="https://www.jb51.cc/tag/fenlei/" target="_blank" class="keywords">分类</a>出错！")
}
//绑定事件
function _b(select) {
  select.bind("change",function () {
    create(j(this).val(),j(this));
    _v();
  })
}
//创建下拉框
function _c(select,data) {
  select.append(j("<option value='-1'>==请选择==</option>"));
  for (var i = 0; i < data.length; i++) {
    select.append(j(def.handel(data[i])));
  }
  return select;
}

}
})($)