objectName = {
 property1:value1,
 property2:value2,
 …,
 propertyN:valueN
}

var user={
 name:"user1",
 age:18
};

var user={ //user本身是一个对象
 name:"user1",
 job:{ //job也是一个对象
  salary:3000,
  title:programmer
 }
}

var user={ //user本身为一个对象
 name:"user1",
 age:18,
 getName:function(){ //getName为方法
  return this.name;
 }
}

var ZPVisitor = {
 init : function(){
  var url = ZPConstant.AJAX_SERVER + "&a=hello" + "&sid=" + Math.random();
  $.getJSON(url,function(result){ // #TODO 跨域请求？
   if (result.done) {
    var logininfo = result.data.name + " 您好!";
    if (!result.data.login) {
    logininfo += "&nbsp;<a href=\"" + ZPConstant.MYZP_DOMAIN + "index.php">登录</a>/<a href=\"" +
    ZPConstant.MYZP_DOMAIN + "index.php">注册</a>";
    } else {
    logininfo += "&nbsp;<a href=\"" + ZPConstant.MYZP_DOMAIN + "index.php">注销</a>";
    }
    $("#login-info").html(logininfo);
   } else {
    popAlert(result.msg);
   }
  }); //结束getJSON
 }, //结束init方法
 // 收藏商品
 collect : function(pid) {
   var pid = parseInt(pid);
   if (isNaN(pid)) return false;
   var url = ZPConstant.AJAX_SERVER + "&a=collect&pid=" + pid + "&sid=" + Math.random();
   $.getJSON(url,function(result){
    if(result.done){
     popAlert(result.msg);
    } else {
     popAlert(result.msg);
    }
   });//结束getJSON方法
 },// 结束collect方法
 // 浏览历史
 vHistory :{
  get:function(callback){
   var items_str = getCookie(ZPConstant.VIEW_HISTORY_CKNAME);
   if (items_str == null) return;
   var items = items_str.split(",").reverse().join(","),
   url = ZPConstant.AJAX_SERVER + "&a=viewHistory" + "&items="+ items + "&sid=" + Math.random();
   // TODO 向服务端请求数据
   $.getJSON(url,function(response){
     if(response.done){
      callback(response.data,items);
    } else {
      return false;
    }
   });//结束getJSON方法
  },//结束get方法
  add:function(pid){
   var pid = parseInt(pid);
   if (isNaN(pid)) return;
   var cookieStr = getCookie(ZPConstant.VIEW_HISTORY_CKNAME);
   if (cookieStr) {
    var pids = cookieStr.split(","),_tempPids = [];
    for (var i=0;i<pids.length;i++){
     if (pids[i] != pid) { // 如果已经存在，则移除之前写入的数据
      _tempPids.push(parseInt(pids[i]));
     }
    }
    _tempPids.push(pid);// 将新数据放到数组最后
    setCookie(ZPConstant.VIEW_HISTORY_CKNAME, _tempPids.reverse().slice(0,5).reverse().join(","));
   } else {
    setCookie(ZPConstant.VIEW_HISTORY_CKNAME, pid);
   }
  },// 结束add方法
  clear:function(){
    setCookie(ZPConstant.VIEW_HISTORY_CKNAME, '', -100);
  }
 },//结束vHistory
 // 购物车已删除的商品记录
 dropHistory: function(spid){
  var cookieStr = getCookie(ZPConstant.CARTDEL_CKNAME);
  if (cookieStr){
   var idsDel = cookieStr.split(",");
   for (var i=0;i<idsDel.length;i++){
     idsDel[i] = parseInt(idsDel[i]);
   }
   if ($.inArray(spid,idsDel) == -1){
    idsDel.push(spid);
    setCookie(ZPConstant.CARTDEL_CKNAME, idsDel.join(","));
   }
  } else {
   setCookie(ZPConstant.CARTDEL_CKNAME, spid);
  }
 }//结束dropHistory
}//结束ZPVisitor