去掉“” :req.responseText.replace(/\"/g,"");
tomcat : server.xml <Connector port="80" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" URIEncoding="UTF-8"/>
JVM(myEclipse) :-Xms128m -Xmx256m
空值判断 :if (typeof (goodsId) != 'undefined' && goodsId != '')
{
pars += '&gid=' + goodsId;
}