jquery给下拉框设置默认值for(let i in nameData){ $("#userName").val(nameData[i].userName).trigger("change"); } 笔记版权声明:本文为weixin_40140969原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接和本声明。原文链接:https://blog.csdn.net/weixin_40140969/article/details/100986050