//换个收藏链接就可以
var str = http.get("https://share.weiyun.com/f0c4ce688e8a2670a5629a77a980bbc5").body.string();
var host = cutstr(str,'brief":"','","content_type',1,3);
log(host);
function cutstr(a, b, c, f, e) {
a = a.split(b);
var d = "";
if (e < a.length && e != null) {} else {
e = a.length;
}
if (f == null) {
f = 1;
}
for (i = f; i < e; i++) {
tmp = a[i].split(c);
if (tmp.length > 1) {
d += tmp[0];
}
}
return d;
}