functionredirecttohost{
varhost=;
=""+host;
varerrormsgdata={
"400":"请求出现语法错误",
"401":"没有访问权限",
"403":"fu l;
varemsg=errormsgdata[ecode];
=emsg;
("emsg")nerhtml=emsg;
("emsg_t")nerhtml=ecode+"错误！";
...
本章已完成！