/// <summary>
/// 提问的搜索
/// </summary>
static Searcher()
{
var engines = new ISearchEngine[]
{
new BaiduSearchEngine {
MatchMode = MatchMode.Accurate
},
new BingSearchEngine {
MatchMode = MatchMode.Fuzzy
},
new ZhidaoSearchEngine {
MatchMode = MatchMode.Fuzzy
},
new NoResultSearchEngine()
};
engines.Aggregate((cur, next) =>
{
cur.Next = next;
return(next);
});
searchEngine = engines.FirstOrDefault();
}