$("#eModel").empty();//清空select
var model = JSON.parse('${modelList}');//初始化后台数据
var eModelInput = document.getElementById("eModel");//获取下拉框id
if (model != null) {//判断数据是否为空
eModelInput.add(new Option('类别', '-1'));
for (i = 0; i < model.length; i++) {//循环遍历list
eModelInput.add(new Option(model[i].modelName, model[i].partId));
//model[i].modelName 显示名称, model[i].partId value值
}
}