var validate = $("form").validate({....})
validate.showError({"username":"username is required!"});
validate.showError([{"username":"username is required!"}]);
var validate = $("form").validate({....})
validate.showError({"username":"username is required!"});
validate.showError([{"username":"username is required!"}]);
转载于:https://www.cnblogs.com/zqg123/p/7485326.html