private void LoadData(string path)
{
StreamReader sr = new StreamReader(path);
List <string> w = new List <string>();
List <int> f = new List <int>();
while (!sr.EndOfStream)
{
string s = sr.ReadLine();
if (s == "")
{
continue;
}
int p = s.IndexOf(" ");
//if (int.Parse(s.Substring(0, p)) >= 20) {
f.Add(int.Parse(s.Substring(0, p)));
w.Add(s.Substring(p + 1));
//}
}
sr.Close();
words = w.ToArray();
frequent = f.ToArray();
Array.Sort(frequent, words);
Array.Reverse(words);
wordsLower = new string[words.Length];
pinyin = new string[words.Length];
for (int i = 0; i < words.Length; i++)
{
wordsLower[i] = Utility.ToDBC(words[i]).ToLower();
pinyin[i] = Hz2Py.Convert(wordsLower[i]).ToLower();
}
//Array.Reverse(frequent);
/*StreamWriter sw = new StreamWriter(@"d:\acmdiy\1111121.txt");
* for (int i = 0; i < frequent.Length; i++) {
* if (frequent[i] < 20)
* sw.WriteLine(words[i]);
*
* }
* sw.Close();*/
}
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
if (!string.IsNullOrEmpty(context.Request["query"]))
{
if (frequent == null)
{
LoadData(context.Server.MapPath("autodata.txt"));
}
string q = context.Request["query"];
context.Response.Write("{");
context.Response.Write(string.Format("query:'{0}',", q));
context.Response.Write("suggestions:[");
//
q = Utility.ToDBC(q).ToLower();
string pyq = Hz2Py.Convert(q).ToLower();
int cnt = 0, cntinner = 0;
//理想情况，开头10个，中间5个；开头不够，中间补齐；中间不够，开头补齐
List <string> retHead = new List <string>();
List <string> retInner = new List <string>();
for (int i = 0; i < frequent.Length; i++)
{
if (wordsLower[i].StartsWith(q))
{
retHead.Add(words[i]);
cnt++;
}
else if (cntinner < 15)
{
if (wordsLower[i].Contains(q))
{
retInner.Add(words[i]);
cntinner++;
}
else if (pinyin[i].Contains(pyq))
{
bool ok = true;
for (int j = 0; j < q.Length; j++)
{
if (q[j] > 128)
{
if (!wordsLower[i].Contains(q[j]))
{
ok = false;
break;
}
}
}
if (ok)
{
retInner.Add(words[i]);
cntinner++;
}
}
}
if (cnt >= 10 && cnt + cntinner >= 15)
{
break;
}
}
retHead.AddRange(retInner);
for (int i = 0; i < retHead.Count && i < 15; i++)
{
if (i == 0)
{
context.Response.Write(string.Format("'{0}'", (retHead[i].Replace("<", "<").Replace(">", ">"))));
}
else
{
context.Response.Write(string.Format(",'{0}'", (retHead[i].Replace("<", "<").Replace(">", ">"))));
}
}
context.Response.Write("]}");
}
}