在登录中添加回车按键

$("#validate").keypress(function(event) {
	if (event.which == 13) {
		var password = $("#password").val();
			if ($.isEmpty(password)) {
				$("#password").focus();
			} else {
				login();
			}
		}
});

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转载自blog.csdn.net/ios8859_2/article/details/79639406