"-401":"从缓存中读取数据时出现错误",
"-400":"缓存中未找到请求的条目",
"-331":"网络已暂停",
"-6":"无法找到该文件或目录",
"-310":"重定向过多",
"-324":"服务器已断开连接，且未发送任何数据",
"-346":"收到了来自服务器的重复标头",
"-349":"收到了来自服务器的重复标头",
"-350":"收到了来自服务器的重复标头",
"-118":"连接超时"
};
var ecode = ("ecode")nerhtml;
var edata[ecode];
= emsg;
("eml = emsg;
("eml = ecode + "错误！";