我有一个域,我有2个可搜索的字段(一个文字字段和一个文本字段),基本上是Category和Content。
我如何在字段中指定一个特定的字段使用?据我所知,它会默认搜索所有的可搜索字段,但这并不是我想要的(即,不想因为内容中包含了猫这个词,就搜索类别Cats,并从另一个类别中得到一个结果)。
我使用的是.Net SDK,我一直在翻阅他们的文档,但找不到这部分内容。
谢谢!我有一个域名,在这个域名上我有2个域名。
经过深入研究,发现指定字段的方法是使用 fields
数组字段。
当使用 .Net SDK
,可以这样做。
new SearchRequest {
Query = query,
QueryOptions = @"{""fields"":[""field_name""]}"
};
来源: https:/docs.aws.amazon.comcloudsearchlatestdeveloperguidesearch-api.html#structured-search-syntax。
在C#中,Cloudsearch的示例代码并不常见,但是您可以尝试我写的这个代码。
public List<AdditionalFields> Search(string query)
{
var batch = new List<AdditionalFields>();
query = query.Trim();
try
{
// Configure the Client that you'll use to make search requests
string queryUrl = @"http://search-********.cloudsearch.amazonaws.com";
var awsCredentials = new Amazon.Runtime.BasicAWSCredentials();
AmazonCloudSearchDomainClient searchClient = new AmazonCloudSearchDomainClient(queryUrl, awsCredentials);
SearchRequest searchRequest = new SearchRequest();
searchRequest.Query = query;
//searchRequest.Facet =
//searchRequest.QueryOptions.
searchRequest.Return = "_all_fields";
SearchResponse searchResponse = searchClient.SearchAsync(searchRequest).Result;
foreach (var hit in searchResponse.Hits.Hit)
{
var fields = new AdditionalFields();
var searchfields = new Fields();
searchfields.content = hit.Fields["content"][0].ToString();
searchfields.directory = hit.Fields["directory"][0].ToString();
searchfields.resourcename = hit.Fields["resourcename"][0].ToString();
searchfields.title = hit.Fields["title"][0].ToString();
fields.abridgedContent = searchfields.content.Replace(searchfields.title, string.Empty);
searchfields.version = hit.Fields["version"][0].ToString();
fields.abridgedContent = Abridged(fields.abridgedContent, query);
searchfields.description = hit.Fields["description"][0].ToString();
searchfields.resourcename = hit.Fields["resourcename"][0].ToString();
searchfields.resourcetype = hit.Fields["resourcetype"][0].ToString();
fields.url = "/bookviewer?bookValue=" + searchfields.resourcename + "&version=" + searchfields.version + "&chapterFolder=" + searchfields.directory + "&firstChapterNo=" + searchfields.description + ".htm";
fields.fields = searchfields;
batch.Add(fields);
}
// return searchResponse.Status.ToString();
}
catch (AmazonCloudSearchDomainException ex)
{
var fields = new AdditionalFields();
fields.error = "ERROR : " + ex.Message;
batch.Add(fields);
}
catch (Exception ex)
{
var fields = new AdditionalFields();
fields.error = "ERROR : " + ex.Message;
batch.Add(fields);
}
return batch;
}