/// <summary>
/// 搜索建议
/// </summary>
public static IDictionary <string, Suggest[]> TermSuggest <T>(this IElasticClient client,
string index,
Expression <Func <T, object> > targetField, string text, string analyzer = null,
string highlight_pre = "<em>", string hightlight_post = "</em>", int size = 20)
where T : class, IElasticSearchIndex
{
var sd = new TermSuggesterDescriptor <T>();
sd = sd.Field(targetField).Text(text);
if (ValidateHelper.IsPlumpString(analyzer))
{
sd = sd.Analyzer(analyzer);
}
sd = sd.Size(size);
var response = client.Suggest <T>(x => x.Index(index).Term("term_suggest", f => sd));
response.ThrowIfException();
return(response.Suggestions);
}
public static SuggestDictionary <T> SuggestSample <T>(IElasticClient client,
string index,
Expression <Func <T, object> > targetField, string text, string analyzer = null,
string highlight_pre = "<em>", string hightlight_post = "</em>", int size = 20)
where T : class, IElasticSearchIndex
{
var sd = new TermSuggesterDescriptor <T>();
sd = sd.Field(targetField).Text(text);
if (ValidateHelper.IsPlumpString(analyzer))
{
sd = sd.Analyzer(analyzer);
}
sd = sd.Size(size);
new CompletionSuggesterDescriptor <T>();
new PhraseSuggesterDescriptor <T>();
var response = client.Search <T>(s => s.Suggest(ss => ss
.Term("my-term-suggest", t => t
.MaxEdits(1)
.MaxInspections(2)
.MaxTermFrequency(3)
.MinDocFrequency(4)
.MinWordLength(5)
.PrefixLength(6)
.SuggestMode(SuggestMode.Always)
.Analyzer("standard")
.Field("")
.ShardSize(7)
.Size(8)
.Text(text)
)
.Completion("my-completion-suggest", c => c
.Contexts(ctxs => ctxs
.Context("color",
ctx => ctx.Context(text)
)
)
.Fuzzy(f => f
.Fuzziness(Fuzziness.Auto)
.MinLength(1)
.PrefixLength(2)
.Transpositions()
.UnicodeAware(false)
)
.Analyzer("simple")
.Field("")
.Size(8)
.Prefix(text)
)
.Phrase("my-phrase-suggest", ph => ph
.Collate(c => c
.Query(q => q
.Source("{ \"match\": { \"{{field_name}}\": \"{{suggestion}}\" }}")
)
.Params(p => p.Add("field_name", "title"))
.Prune()
)
.Confidence(10.1)
.DirectGenerator(d => d
.Field("")
)
.GramSize(1)
.Field("")
.Text(text)
.RealWordErrorLikelihood(0.5)
)
));
response.ThrowIfException();
return(response.Suggest);
}
