轉自:http://www.2cto.com/kf/201511/451412.htmlhtml
概述前端
Solr是一個高性能,採用 Java 5開發,基於Lucene的全文搜索服務器。同時對其進行了擴展,提供了比Lucene更爲豐富的查詢語言,
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name=raikou(項目名稱)
config=solrconfig.xml(Solr配置)
schema=schema.xml(模式定義)
dataDir=J:\SoftData\Solr\raikou\data (存儲索引等數據)
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<field indexed=
"true"
multivalued=
"false"
name=
"id"
required=
"true"
stored=
"true"
type=
"long"
>
<field indexed=
"true"
name=
"title"
required=
"true"
stored=
"true"
type=
"string"
>
<field indexed=
"true"
name=
"content"
stored=
"true"
type=
"string"
>
<field indexed=
"true"
name=
"summary"
stored=
"true"
type=
"string"
> </field></field></field></field>
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<!--?xml version=
1.0
encoding=UTF-
8
?-->
<dataconfig>
<datasource driver=
"com.mysql.jdbc.Driver"
password=
"mypassword/"
type=
"JdbcDataSource"
url=
"jdbc:mysql://localhost:3306/raikou?useUnicode=true&characterEncoding=UTF-8"
user=
"root"
>
<document name=
"raikou_article"
>
<entity deltaimportquery=
"select"
deltaquery=
"select"
from=
""
id=
"${dih.delta.id}"
name=
"raikou_article"
query=
"select"
raikou_article=
""
update_time=
""
where=
""
>
'${dataimporter.last_index_time}'
>
<field column=
"id"
name=
"id"
>
<field column=
"title"
name=
"title"
>
</field></field></entity></document></datasource></dataconfig>
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<!-- People who want to hardcode their Solr Home directly into the
WAR File can set the JNDI property here...
-->
<env-entry>
<env-entry-name>solr/home</env-entry-name>
<env-entry-value>J:SoftDataSolr</env-entry-value>
<env-entry-type>java.lang.String</env-entry-type>
</env-entry>
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<dependency>
<groupid>org.apache.solr</groupid>
solr-solrj</artifactid>
<version>
5.3
.
1
</version>
</dependency>
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import
java.beans.PropertyDescriptor;
import
java.io.IOException;
import
java.lang.reflect.Field;
import
java.lang.reflect.Method;
import
java.text.SimpleDateFormat;
import
java.util.Arrays;
import
java.util.Date;
import
java.util.List;
import
org.apache.commons.lang3.StringUtils;
import
org.apache.solr.client.solrj.SolrQuery;
import
org.apache.solr.client.solrj.SolrServerException;
import
org.apache.solr.client.solrj.impl.HttpSolrClient;
import
org.apache.solr.client.solrj.response.QueryResponse;
import
org.apache.solr.common.SolrInputDocument;
import
org.slf4j.Logger;
import
org.slf4j.LoggerFactory;
import
com.github.pagehelper.Page;
/**查詢(查詢語句構造),更新,重建索引*/
public
class
SolrHelper<t> {
protected
final
Logger logger = LoggerFactory.getLogger(SolrHelper.
class
);
private
HttpSolrClient server;
private
StringBuffer queryString;
public
SolrHelper(String reqUrl) {
server =
new
HttpSolrClient(reqUrl);
queryString =
new
StringBuffer();
}
public
void
andEquals(String fieldName, String val) {
queryString.append( && ).append(fieldName).append(:).append(val);
}
public
void
orEquals(String fieldName, String val) {
queryString.append( || ).append(fieldName).append(:).append(val);
}
public
void
andNotEquals(String fieldName, String val) {
queryString.append( && ).append(-).append(fieldName).append(:)
.append(val);
}
public
void
orNotEquals(String fieldName, String val) {
queryString.append( || ).append(-).append(fieldName).append(:)
.append(val);
}
public
void
andGreaterThan(String fieldName, String val) {
queryString.append( && ).append(fieldName).append(:[).append(val)
.append( TO ).append(*]);
}
public
void
orGreaterThan(String fieldName, String val) {
queryString.append( || ).append(fieldName).append(:[).append(val)
.append( TO ).append(*]);
}
public
void
andGreaterThanOrEqualTo(String fieldName, String val) {
queryString.append( && ).append(fieldName).append(:[).append(val)
.append( TO ).append(*]);
}
public
void
orGreaterThanOrEqualTo(String fieldName, String val) {
queryString.append( || ).append(fieldName).append(:[).append(val)
.append( TO ).append(*]);
}
public
void
andDateGreaterThan(String fieldName, Date val) {
queryString.append( && ).append(fieldName).append(:[)
.append(formatUTCString(val)).append( TO ).append(*]);
}
public
void
orDateGreaterThan(String fieldName, Date val) {
queryString.append( || ).append(fieldName).append(:[)
.append(formatUTCString(val)).append( TO ).append(*]);
}
public
void
andDateGreaterThanOrEqualTo(String fieldName, Date val) {
queryString.append( && ).append(fieldName).append(:[)
.append(formatUTCString(val)).append( TO ).append(*]);
}
public
void
orDateGreaterThanOrEqualTo(String fieldName, Date val) {
queryString.append( || ).append(fieldName).append(:[)
.append(formatUTCString(val)).append( TO ).append(*]);
}
public
void
andLessThan(String fieldName, String val) {
queryString.append( && ).append(fieldName).append(:[).append(*)
.append( TO ).append(val).append(]);
}
public
void
orLessThan(String fieldName, String val) {
queryString.append( && ).append(fieldName).append(:[).append(*)
.append( TO ).append(val).append(]);
}
public
void
andLessThanOrEqualTo(String fieldName, String val) {
queryString.append( && ).append(fieldName).append(:[).append(*)
.append( TO ).append(val).append(]);
}
public
void
orLessThanOrEqualTo(String fieldName, String val) {
queryString.append( && ).append(fieldName).append(:[).append(*)
.append( TO ).append(val).append(]);
}
public
void
andDateLessThan(String fieldName, Date val) {
queryString.append( && ).append(fieldName).append(:[).append(*)
.append( TO ).append(formatUTCString(val)).append(]);
}
public
void
orDateLessThan(String fieldName, Date val) {
queryString.append( && ).append(fieldName).append(:[).append(*)
.append( TO ).append(formatUTCString(val)).append(]);
}
public
void
andDateLessThanOrEqualTo(String fieldName, Date val) {
queryString.append( && ).append(fieldName).append(:[).append(*)
.append( TO ).append(formatUTCString(val)).append(]);
}
public
void
orDateLessThanOrEqualTo(String fieldName, Date val) {
queryString.append( && ).append(fieldName).append(:[).append(*)
.append( TO ).append(formatUTCString(val)).append(]);
}
public
void
andLike(String fieldName, String val) {
queryString.append( && ).append(fieldName).append(:*).append(val)
.append(*);
}
public
void
orLike(String fieldName, String val) {
queryString.append( || ).append(fieldName).append(:*).append(val)
.append(*);
}
public
void
andNotLike(String fieldName, String val) {
queryString.append( && ).append(-).append(fieldName).append(:*)
.append(val).append(*);
}
public
void
orNotLike(String fieldName, String val) {
queryString.append( || ).append(-).append(fieldName).append(:*)
.append(val).append(*);
}
public
void
andIn(String fieldName, String[] vals) {
queryString.append( && );
in(fieldName, vals);
}
private
void
in(String fieldName, String[] vals) {
List<string> list=Arrays.asList(vals);
in(queryString,fieldName,list);
}
public
void
orIn(String fieldName, List<string> vals) {
queryString.append( || );
in(queryString,fieldName,vals);
}
private
static
void
in(StringBuffer queryString,String fieldName, List<string> vals) {
queryString.append(();
inStr(queryString, fieldName, vals);
queryString.append());
}
private
static
void
inStr(StringBuffer queryString, String fieldName,
List<string> vals) {
int
index =
0
;
for
(String val : vals) {
if
(
0
!= index) {
queryString.append( || );
}
queryString.append(fieldName).append(:).append(val);
index++;
}
}
//instead of NOT [condition] use (*:* NOT [condition])
public
void
andNotIn(String fieldName, String[] vals) {
List<string> list=Arrays.asList(vals);
queryString.append(&&();
queryString.append(*:* NOT );
inStr(queryString, fieldName, list);
queryString.append());
}
public
void
andDateBetween(String fieldName, Date startDate, Date endDate) {
queryString.append( && ).append(fieldName).append(:[)
.append(formatUTCString(startDate)).append( TO )
.append(formatUTCString(endDate)).append(]);
}
public
void
orDateBetween(String fieldName, Date startDate, Date endDate) {
queryString.append( || ).append(fieldName).append(:[)
.append(formatUTCString(startDate)).append( TO )
.append(formatUTCString(endDate)).append(]);
}
public
void
andDateNotBetween(String fieldName, Date startDate, Date endDate) {
queryString.append( && ).append(-).append(fieldName).append(:[)
.append(formatUTCString(startDate)).append( TO )
.append(formatUTCString(endDate)).append(]);
}
public
void
orDateNotBetween(String fieldName, Date startDate, Date endDate) {
queryString.append( && ).append(-).append(fieldName).append(:[)
.append(formatUTCString(startDate)).append( TO )
.append(formatUTCString(endDate)).append(]);
}
public
void
andBetween(String fieldName, String start, String end) {
queryString.append( && ).append(fieldName).append(:[).append(start)
.append( TO ).append(end).append(]);
}
public
void
orBetween(String fieldName, String start, String end) {
queryString.append( || ).append(fieldName).append(:[).append(start)
.append( TO ).append(end).append(]);
}
public
void
andNotBetween(String fieldName, String start, String end) {
queryString.append( && ).append(-).append(fieldName).append(:[)
.append(start).append( TO ).append(end).append(]);
}
public
void
orNotBetween(String fieldName, String start, String end) {
queryString.append( || ).append(-).append(fieldName).append(:[)
.append(start).append( TO ).append(end).append(]);
}
public
void
andStartSub() {
queryString.append( && ();
}
public
void
orStartSub() {
queryString.append( || ();
}
public
void
endSub() {
queryString.append());
}
private
String formatUTCString(Date d) {
SimpleDateFormat sdf =
new
SimpleDateFormat(yyyy-MM-dd
'T'
HH:mm:ss
'Z'
);
String s = sdf.format(d);
return
s;
}
public
int
execQueryTotalCount() {
SolrQuery params = handleQuery();
params.set(start,
0
);
params.set(rows, Integer.MAX_VALUE);
QueryResponse response =
null
;
try
{
response = server.query(params);
return
response.getResults().size();
}
catch
(SolrServerException e) {
logger.error(, e);
}
catch
(IOException e) {
logger.error(, e);
}
return
0
;
}
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