Sphinx 之 Coreseek、Sphinx-for-chinaese、Sphinx+Scws 评测
http://www.wubiao.info/292
Sphinx是一个基于SQL的全文检索引擎;普遍使用于很多网站;但由于中英文的差异,其本身,对中文的支持并不好。
主要体现在对一段话断词;英文只需按照空格对其分词即可;但对于博大精深的中文来说,却是件困难的事情。
分词在两个地方会用到;
1、索引时,根据分词索引原始数据
2、搜索时,对用户输入分词,到索引中查询
本文提供了三种目前最常用的方案Coreseek、Sphinx-for-chinaese、Sphinx+Scws,并对其简单对比;在合适的场景,选择合适的方案,得出最优的解。
评测:
一、Coreseek 为国人基于Sphinx开发的方案,目前最稳定版,是基于经典的Sphinx0.9.9版
优点:有成熟的文档、以及社区;其分词mmseg为目前国内最为好用分词,索引和搜索分词都可以用到;
缺点:深度开发、版本更新较慢;索引较慢
策略:一个词库管理后台,维护词库;定期生成字典;此套件会自动分词索引;
适用场景:普通青年、搭建差不多的搜索,适用于普遍网站
二、Sphinx-for-chinaese 为国人2基于经典的Sphinx0.9.9版开发的扩展版
优点:部署简单,易操作,内嵌分词和词库,索引和搜索分词都可以用到;
缺点:版本更新较慢;分词较弱;索引相对较慢
策略:同一
适用场景:普通青年、快速搭建搜索的小站
三、Sphinx+Scws 为两套独立系统,单独部署,所谓高内聚低耦合,强烈推荐
优点:两套系统,相对独立,各自单独Server;分词可以做其他用途;版本更新较快;
缺点:部署稍复杂,使用稍复杂;索引分词只能用一元分词,数据量较大
策略:词库管理外;使用时,先调用分词服务,后调用搜索
适用场景:文艺青年、搭建像样点的搜索;好吧文艺青年
由于本人强烈推荐方案三,对方案三有详细描述,其他方案仅提供简单部署方式。
三种方案具体实现如下:
一、coreseek
=======================================================================================================
官网 http://www.coreseek.cn
基础库 http://ftp.gnu.org/gnu/automake/
1、安装
1.0 基础库
#设置路径和中文环境:
export PATH=/usr/local/bin:$PATH
export LC_ALL=zh_CN.UTF-8
export LANG=zh_CN.UTF-8
#依赖包安装顺序
m4、autoconf、automake、libtool
./configure –prefix=/usr/local
make && make install
1.1 安装mmseg
./bootstrap
./configure –prefix=/opt/server/mmseg
make
make install
1.2 安装csft
sh buildconf.sh
./configure –prefix=/opt/server/coreseek –without-unixodbc –with-mmseg=/opt/server/mmseg –with-mmseg-includes=/opt/server/mmseg/include/mmseg/ –with-mmseg-libs=/opt/server/mmseg/lib/ –with-mysql=/opt/server/mysql
make
mkae install
1.3 配置
mv csft_mysql.conf /opt/server/coreseek/etc
配置 /opt/server/coreseek/etc/csft_mysql.conf 参数 ;注意编码问题;
#源定义
source mysql
{type = mysqlsql_host = 127.0.0.1sql_user = rootsql_pass = 123456sql_db = testsql_port = 3306sql_query_pre = SET NAMES utf8sql_query = SELECT id, group_id, UNIX_TIMESTAMP(date_added) AS date_added, title, content FROM documents#sql_query第一列id需为整数#title、content作为字符串/文本字段,被全文索引sql_attr_uint = group_id #从SQL读取到的值必须为整数sql_attr_timestamp = date_added #从SQL读取到的值必须为整数,作为时间属性sql_query_info_pre = SET NAMES utf8 #命令行查询时,设置正确的字符集sql_query_info = SELECT * FROM documents WHERE id=$id #命令行查询时,从数据库读取原始数据信息
}#index定义
index mysql
{source = mysql #对应的source名称path = /opt/server/coreseek/var/data/mysql #请修改为实际使用的绝对路径,例如:/usr/local/coreseek/var/...docinfo = externmlock = 0morphology = nonemin_word_len = 1html_strip = 0#中文分词配置,详情请查看:http://www.coreseek.cn/products-install/coreseek_mmseg/charset_dictpath = /opt/server/mmseg/etc/ #BSD、Linux环境下设置,/符号结尾#charset_dictpath = etc/ #Windows环境下设置,/符号结尾,最好给出绝对路径,例如:C:/usr/local/coreseek/etc/...charset_type = zh_cn.utf-8
}#全局index定义
indexer
{mem_limit = 128M
}#searchd服务定义
searchd
{listen = 9312read_timeout = 5max_children = 30max_matches = 1000seamless_rotate = 0preopen_indexes = 0unlink_old = 1pid_file = /opt/server/coreseek/var/log/searchd_mysql.pidlog = /opt/server/coreseek/var/log/searchd_mysql.logquery_log = /opt/server/coreseek/var/log/query_mysql.log
}
1.4测试
/opt/server/coreseek/bin/indexer -c /opt/server/coreseek/etc/csft.conf –all
/opt/server/coreseek/bin/search -c /opt/server/coreseek/etc/csft.conf 网络搜索
1.5词库管理
词库文件
/opt/server/mmseg/bin/mmseg -u /opt/server/mmseg/etc/unigram.txt
unigram.txt.uni 更名为 uni.lib 放入对应字典目录
二、sphinx-for-chinese
=======================================================================================================
官网 http://www.sphinx-search.com
1、安装
./configure –prefix=/opt/server/sphinx-for-chinese –with-mysql=/opt/server/mysql
make
make install
2、中文支持
2.1 生成字典
/opt/server/sphinx-for-chinese/bin/mkdict xdict_1.1.txt xdict
2.2 配置使用字典
mv xdict /opt/server/sphinx-for-chinese/etc/xdict
配置 sphinx.conf 参数
加入
charset_type = utf-8
chinese_dictionary = /opt/server/sphinx-for-chinese/etc/xdict
相关配置详见 /opt/server/sphinx-for-chinese/etc/sphinx.conf;注意编码问题;
#
# Minimal Sphinx configuration sample (clean, simple, functional)
#source src1
{type = mysqlsql_host = 127.0.0.1sql_user = rootsql_pass = 123456sql_db = mocubesql_port = 3306 # optional, default is 3306sql_query_pre = SET NAMES UTF8sql_query = SELECT id, title, content FROM mb_activity_detailsql_attr_uint = idsql_query_info = SELECT * FROM mb_activity_detail WHERE id=$id
}index test1
{source = src1path = /opt/server/sphinx-for-chinese/var/data/test1docinfo = externcharset_type = utf-8chinese_dictionary = /opt/server/sphinx-for-chinese/etc/xdict
}indexer
{mem_limit = 256M
}searchd
{port = 9312log = /opt/server/sphinx-for-chinese/var/log/searchd.logquery_log = /opt/server/sphinx-for-chinese/var/log/query.logread_timeout = 5max_children = 30pid_file = /opt/server/sphinx-for-chinese/var/log/searchd.pidmax_matches = 1000seamless_rotate = 1preopen_indexes = 0unlink_old = 1
}
3、测试
/opt/server/sphinx-for-chinese/bin/search -c /opt/server/sphinx-for-chinese/etc/sphinx.conf 分享身边的精彩
三、sphinx+Scws
=======================================================================================================
Scws官网:http://www.ftphp.com/scws/
1、安装
./configure –prefix=/opt/server/sphinx –with-mysql=/opt/server/mysql
make
make install
2、配置
见/opt/server/sphinx/etc/sphinx.conf
#
# 基础索引方案
#source src1
{type = mysqlsql_host = 127.0.0.1sql_user = rootsql_pass = 123456sql_db = mocubesql_port = 3306sql_query_pre = SET NAMES UTF8sql_query = SELECT id, title, content FROM mb_activity_detailsql_attr_uint = idsql_query_info = SELECT * FROM mb_activity_detail WHERE id=$id
}index test1
{source = src1path = /opt/server/sphinx/var/data/test1docinfo = externmlock = 0stopwords =min_prefix_len = 0min_infix_len = 0min_word_len = 1charset_type = utf-8charset_table = U+FF10..U+FF19->0..9, 0..9, U+FF41..U+FF5A->a..z, U+FF21..U+FF3A->a..z,A..Z->a..z, a..z, U+0149, U+017F, U+0138, U+00DF, U+00FF, U+00C0..U+00D6->U+00E0..U+00F6,U+00E0..U+00F6, U+00D8..U+00DE->U+00F8..U+00FE, U+00F8..U+00FE, U+0100->U+0101, U+0101,U+0102->U+0103, U+0103, U+0104->U+0105, U+0105, U+0106->U+0107, U+0107, U+0108->U+0109,U+0109, U+010A->U+010B, U+010B, U+010C->U+010D, U+010D, U+010E->U+010F, U+010F,U+0110->U+0111, U+0111, U+0112->U+0113, U+0113, U+0114->U+0115, U+0115, U+0116->U+0117,U+0117, U+0118->U+0119, U+0119, U+011A->U+011B, U+011B, U+011C->U+011D, U+011D,U+011E->U+011F, U+011F, U+0130->U+0131, U+0131, U+0132->U+0133, U+0133, U+0134->U+0135,U+0135, U+0136->U+0137, U+0137, U+0139->U+013A, U+013A, U+013B->U+013C, U+013C,U+013D->U+013E, U+013E, U+013F->U+0140, U+0140, U+0141->U+0142, U+0142, U+0143->U+0144,U+0144, U+0145->U+0146, U+0146, U+0147->U+0148, U+0148, U+014A->U+014B, U+014B,U+014C->U+014D, U+014D, U+014E->U+014F, U+014F, U+0150->U+0151, U+0151, U+0152->U+0153,U+0153, U+0154->U+0155, U+0155, U+0156->U+0157, U+0157, U+0158->U+0159, U+0159,U+015A->U+015B, U+015B, U+015C->U+015D, U+015D, U+015E->U+015F, U+015F, U+0160->U+0161,U+0161, U+0162->U+0163, U+0163, U+0164->U+0165, U+0165, U+0166->U+0167, U+0167,U+0168->U+0169, U+0169, U+016A->U+016B, U+016B, U+016C->U+016D, U+016D, U+016E->U+016F,U+016F, U+0170->U+0171, U+0171, U+0172->U+0173, U+0173, U+0174->U+0175, U+0175,U+0176->U+0177, U+0177, U+0178->U+00FF, U+00FF, U+0179->U+017A, U+017A, U+017B->U+017C,U+017C, U+017D->U+017E, U+017E, U+0410..U+042F->U+0430..U+044F, U+0430..U+044F,U+05D0..U+05EA, U+0531..U+0556->U+0561..U+0586, U+0561..U+0587, U+0621..U+063A, U+01B9,U+01BF, U+0640..U+064A, U+0660..U+0669, U+066E, U+066F, U+0671..U+06D3, U+06F0..U+06FF,U+0904..U+0939, U+0958..U+095F, U+0960..U+0963, U+0966..U+096F, U+097B..U+097F,U+0985..U+09B9, U+09CE, U+09DC..U+09E3, U+09E6..U+09EF, U+0A05..U+0A39, U+0A59..U+0A5E,U+0A66..U+0A6F, U+0A85..U+0AB9, U+0AE0..U+0AE3, U+0AE6..U+0AEF, U+0B05..U+0B39,U+0B5C..U+0B61, U+0B66..U+0B6F, U+0B71, U+0B85..U+0BB9, U+0BE6..U+0BF2, U+0C05..U+0C39,U+0C66..U+0C6F, U+0C85..U+0CB9, U+0CDE..U+0CE3, U+0CE6..U+0CEF, U+0D05..U+0D39, U+0D60,U+0D61, U+0D66..U+0D6F, U+0D85..U+0DC6, U+1900..U+1938, U+1946..U+194F, U+A800..U+A805,U+A807..U+A822, U+0386->U+03B1, U+03AC->U+03B1, U+0388->U+03B5, U+03AD->U+03B5,U+0389->U+03B7, U+03AE->U+03B7, U+038A->U+03B9, U+0390->U+03B9, U+03AA->U+03B9,U+03AF->U+03B9, U+03CA->U+03B9, U+038C->U+03BF, U+03CC->U+03BF, U+038E->U+03C5,U+03AB->U+03C5, U+03B0->U+03C5, U+03CB->U+03C5, U+03CD->U+03C5, U+038F->U+03C9,U+03CE->U+03C9, U+03C2->U+03C3, U+0391..U+03A1->U+03B1..U+03C1,U+03A3..U+03A9->U+03C3..U+03C9, U+03B1..U+03C1, U+03C3..U+03C9, U+0E01..U+0E2E,U+0E30..U+0E3A, U+0E40..U+0E45, U+0E47, U+0E50..U+0E59, U+A000..U+A48F, U+4E00..U+9FBF,U+3400..U+4DBF, U+20000..U+2A6DF, U+F900..U+FAFF, U+2F800..U+2FA1F, U+2E80..U+2EFF,U+2F00..U+2FDF, U+3100..U+312F, U+31A0..U+31BF, U+3040..U+309F, U+30A0..U+30FF,U+31F0..U+31FF, U+AC00..U+D7AF, U+1100..U+11FF, U+3130..U+318F, U+A000..U+A48F,U+A490..U+A4CFngram_len = 1 ngram_chars = U+4E00..U+9FBF, U+3400..U+4DBF, U+20000..U+2A6DF, U+F900..U+FAFF,U+2F800..U+2FA1F, U+2E80..U+2EFF, U+2F00..U+2FDF, U+3100..U+312F, U+31A0..U+31BF,U+3040..U+309F, U+30A0..U+30FF, U+31F0..U+31FF, U+AC00..U+D7AF, U+1100..U+11FF,U+3130..U+318F, U+A000..U+A48F, U+A490..U+A4CF
}index testrt
{type = rtrt_mem_limit = 32Mpath = /opt/server/sphinx/var/data/testrtcharset_type = utf-8rt_field = titlert_field = contentrt_attr_uint = id
}indexer
{mem_limit = 32M
}searchd
{listen = 9312log = /opt/server/sphinx/var/log/searchd.logquery_log = /opt/server/sphinx/var/log/query.logread_timeout = 5max_children = 30pid_file = /opt/server/sphinx/var/log/searchd.pidmax_matches = 1000seamless_rotate = 1preopen_indexes = 1unlink_old = 1workers = threads # for RT to workbinlog_path = /opt/server/sphinx/var/data
}
3、启动服务
/opt/server/sphinx/bin/searchd
4、php分词 scws
官网 http://www.ftphp.com/scws/
4.1 安装
./configure –prefix=/opt/server/scws
make
make install
4.2 词库
scws-dict-chs-utf8.tar.bz2 解压放入 /opt/server/scws/etc
词库 dict.utf-8.xdb
规则 rules.utf-8.ini
4.3 php 扩展
源码在 phpext下
/opt/server/php/bin/phpize
./configure –with-scws=/opt/server/scws –with-php-config=/opt/server/php/bin/php-config
make
make install
vi php.ini
[scws]
extension = scws.so
scws.default.charset = utf-8
scws.default.fpath = /opt/server/scws/etc
查看
/opt/server/php/bin/php -m |grep scws
4.4 分词测试
官方测试地址:http://www.ftphp.com/scws/docs.php
详见测试文件 test_all.php
<?phpecho '<p>'.microtime(true).'</p>';//搜索词$key = trim($_GET['k']);//========================================分词$so = scws_new();$so->set_charset('utf-8');//默认词库$so->add_dict(ini_get('scws.default.fpath') . '/dict.utf-8.xdb');//自定义词库$so->add_dict('./dd.txt',SCWS_XDICT_TXT);//默认规则$so->set_rule(ini_get('scws.default.fpath') . '/rules.utf-8.ini');//设定分词返回结果时是否去除一些特殊的标点符号$so->set_ignore(true);//设定分词返回结果时是否复式分割,如“中国人”返回“中国+人+中国人”三个词。// 按位异或的 1 | 2 | 4 | 8 分别表示: 短词 | 二元 | 主要单字 | 所有单字//1,2,4,8 分别对应常量 SCWS_MULTI_SHORT SCWS_MULTI_DUALITY SCWS_MULTI_ZMAIN SCWS_MULTI_ZALL$so->set_multi(false);//设定是否将闲散文字自动以二字分词法聚合$so->set_duality(false);//设定搜索词$so->send_text($key);$words_array = $so->get_result();foreach($words_array as $v){$words = $words.' '.$v['word'];}$so->close();echo '<p>输入:'.$key.'</p>';echo '<p>分词:'.$words.'</p>';//var_dump($words);//exit;//========================================搜索require_once 'sphinxapi.php';$sc = new SphinxClient();$sc->SetServer('127.0.0.1',9312);$sc->SetMatchMode(SPH_MATCH_ALL);$sc->SetArrayResult(TRUE);$res = $sc->Query($words);var_dump($res);echo '<p>'.microtime(true).'</p>';exit;?>
其他高阶操作
=======================================================================================================
5 索引
//索引某个索引
/opt/server/sphinx/bin/indexer test1
//searchd 索引某个索引
/opt/server/sphinx/bin/indexer test1 –rotate
//指定索引搜索
/opt/server/sphinx/bin/indexer -i test1 ‘逗她男’
5.1 增量索引方案
//创建表记录偏移
CREATE TABLE search_counter
(
counterid INTEGER PRIMARY KEY NOT NULL,
max_doc_id INTEGER NOT NULL
);
//增量索引
/opt/server/sphinx/bin/indexer test1stemmed –rotate
//合并索引
/opt/server/sphinx/bin/indexer –merge test1 test1stemmed –rotate
索引策略
1、搜索时,同时从主索引和增量索引取数据
2、每5分钟,运行一次增量索引;满足新数据搜索需求
3、每晚,运行一次主索引,同时会更新索引标示;再运行增量索引,实质为清空增量索引,避免与主索引重复
4、好处:避免开合并索引,合并索引效率较差
5、如数据量特别大,可考虑合并索引的方案
索引策略shell
//add.sh
#!/bin/sh
/opt/server/sphinx/bin/indexer test1stemmed –rotate >> /opt/server/sphinx/var/log/add.sh.log
//all.sh
#!/bin/sh
/opt/server/sphinx/bin/indexer test1 –rotate >> /opt/server/sphinx/var/log/all.sh.log
/opt/server/sphinx/bin/indexer test1stemmed –rotate >> /opt/server/sphinx/var/log/add.sh.log
详情配置
/opt/server/sphinx/etc/sphinx.conf
#
# 增量索引方案
#source src1
{type = mysqlsql_host = 127.0.0.1sql_user = rootsql_pass = 123456sql_db = mocubesql_port = 3306sql_query_pre = SET NAMES UTF8sql_query_pre = REPLACE INTO search_counter SELECT 1,MAX(uid) FROM mb_renren #创建主索引前更改标识位置sql_query = SELECT uid,email,url,nickname,is_access FROM mb_renrensql_attr_uint = is_access sql_query_info = SELECT * FROM mb_renren WHERE uid=$id
}source src1throttled
{type = mysqlsql_host = 127.0.0.1sql_user = rootsql_pass = 123456sql_db = mocubesql_port = 3306sql_query_pre = SET NAMES UTF8sql_query = SELECT uid,email,url,nickname,is_access FROM mb_renren WHERE uid>(SELECT max_doc_id FROM search_counter WHERE counterid=1) #增量索引是id大于标识位置的部分sql_attr_uint = is_accesssql_query_info = SELECT * FROM mb_renren WHERE uid=$id
}index test1
{source = src1path = /opt/server/sphinx/var/data/test1docinfo = externmlock = 0stopwords =min_prefix_len = 0min_infix_len = 0min_word_len = 1charset_type = utf-8charset_table = U+FF10..U+FF19->0..9, 0..9, U+FF41..U+FF5A->a..z, U+FF21..U+FF3A->a..z,A..Z->a..z, a..z, U+0149, U+017F, U+0138, U+00DF, U+00FF, U+00C0..U+00D6->U+00E0..U+00F6,U+00E0..U+00F6, U+00D8..U+00DE->U+00F8..U+00FE, U+00F8..U+00FE, U+0100->U+0101, U+0101,U+0102->U+0103, U+0103, U+0104->U+0105, U+0105, U+0106->U+0107, U+0107, U+0108->U+0109,U+0109, U+010A->U+010B, U+010B, U+010C->U+010D, U+010D, U+010E->U+010F, U+010F,U+0110->U+0111, U+0111, U+0112->U+0113, U+0113, U+0114->U+0115, U+0115, U+0116->U+0117,U+0117, U+0118->U+0119, U+0119, U+011A->U+011B, U+011B, U+011C->U+011D, U+011D,U+011E->U+011F, U+011F, U+0130->U+0131, U+0131, U+0132->U+0133, U+0133, U+0134->U+0135,U+0135, U+0136->U+0137, U+0137, U+0139->U+013A, U+013A, U+013B->U+013C, U+013C,U+013D->U+013E, U+013E, U+013F->U+0140, U+0140, U+0141->U+0142, U+0142, U+0143->U+0144,U+0144, U+0145->U+0146, U+0146, U+0147->U+0148, U+0148, U+014A->U+014B, U+014B,U+014C->U+014D, U+014D, U+014E->U+014F, U+014F, U+0150->U+0151, U+0151, U+0152->U+0153,U+0153, U+0154->U+0155, U+0155, U+0156->U+0157, U+0157, U+0158->U+0159, U+0159,U+015A->U+015B, U+015B, U+015C->U+015D, U+015D, U+015E->U+015F, U+015F, U+0160->U+0161,U+0161, U+0162->U+0163, U+0163, U+0164->U+0165, U+0165, U+0166->U+0167, U+0167,U+0168->U+0169, U+0169, U+016A->U+016B, U+016B, U+016C->U+016D, U+016D, U+016E->U+016F,U+016F, U+0170->U+0171, U+0171, U+0172->U+0173, U+0173, U+0174->U+0175, U+0175,U+0176->U+0177, U+0177, U+0178->U+00FF, U+00FF, U+0179->U+017A, U+017A, U+017B->U+017C,U+017C, U+017D->U+017E, U+017E, U+0410..U+042F->U+0430..U+044F, U+0430..U+044F,U+05D0..U+05EA, U+0531..U+0556->U+0561..U+0586, U+0561..U+0587, U+0621..U+063A, U+01B9,U+01BF, U+0640..U+064A, U+0660..U+0669, U+066E, U+066F, U+0671..U+06D3, U+06F0..U+06FF,U+0904..U+0939, U+0958..U+095F, U+0960..U+0963, U+0966..U+096F, U+097B..U+097F,U+0985..U+09B9, U+09CE, U+09DC..U+09E3, U+09E6..U+09EF, U+0A05..U+0A39, U+0A59..U+0A5E,U+0A66..U+0A6F, U+0A85..U+0AB9, U+0AE0..U+0AE3, U+0AE6..U+0AEF, U+0B05..U+0B39,U+0B5C..U+0B61, U+0B66..U+0B6F, U+0B71, U+0B85..U+0BB9, U+0BE6..U+0BF2, U+0C05..U+0C39,U+0C66..U+0C6F, U+0C85..U+0CB9, U+0CDE..U+0CE3, U+0CE6..U+0CEF, U+0D05..U+0D39, U+0D60,U+0D61, U+0D66..U+0D6F, U+0D85..U+0DC6, U+1900..U+1938, U+1946..U+194F, U+A800..U+A805,U+A807..U+A822, U+0386->U+03B1, U+03AC->U+03B1, U+0388->U+03B5, U+03AD->U+03B5,U+0389->U+03B7, U+03AE->U+03B7, U+038A->U+03B9, U+0390->U+03B9, U+03AA->U+03B9,U+03AF->U+03B9, U+03CA->U+03B9, U+038C->U+03BF, U+03CC->U+03BF, U+038E->U+03C5,U+03AB->U+03C5, U+03B0->U+03C5, U+03CB->U+03C5, U+03CD->U+03C5, U+038F->U+03C9,U+03CE->U+03C9, U+03C2->U+03C3, U+0391..U+03A1->U+03B1..U+03C1,U+03A3..U+03A9->U+03C3..U+03C9, U+03B1..U+03C1, U+03C3..U+03C9, U+0E01..U+0E2E,U+0E30..U+0E3A, U+0E40..U+0E45, U+0E47, U+0E50..U+0E59, U+A000..U+A48F, U+4E00..U+9FBF,U+3400..U+4DBF, U+20000..U+2A6DF, U+F900..U+FAFF, U+2F800..U+2FA1F, U+2E80..U+2EFF,U+2F00..U+2FDF, U+3100..U+312F, U+31A0..U+31BF, U+3040..U+309F, U+30A0..U+30FF,U+31F0..U+31FF, U+AC00..U+D7AF, U+1100..U+11FF, U+3130..U+318F, U+A000..U+A48F,U+A490..U+A4CFngram_len = 1 ngram_chars = U+4E00..U+9FBF, U+3400..U+4DBF, U+20000..U+2A6DF, U+F900..U+FAFF,U+2F800..U+2FA1F, U+2E80..U+2EFF, U+2F00..U+2FDF, U+3100..U+312F, U+31A0..U+31BF,U+3040..U+309F, U+30A0..U+30FF, U+31F0..U+31FF, U+AC00..U+D7AF, U+1100..U+11FF,U+3130..U+318F, U+A000..U+A48F, U+A490..U+A4CF
}index test1stemmed
{source = src1throttledpath = /opt/server/sphinx/var/data/test1stemmeddocinfo = externmlock = 0stopwords =min_prefix_len = 0min_infix_len = 0min_word_len = 1charset_type = utf-8charset_table = U+FF10..U+FF19->0..9, 0..9, U+FF41..U+FF5A->a..z, U+FF21..U+FF3A->a..z,A..Z->a..z, a..z, U+0149, U+017F, U+0138, U+00DF, U+00FF, U+00C0..U+00D6->U+00E0..U+00F6,U+00E0..U+00F6, U+00D8..U+00DE->U+00F8..U+00FE, U+00F8..U+00FE, U+0100->U+0101, U+0101,U+0102->U+0103, U+0103, U+0104->U+0105, U+0105, U+0106->U+0107, U+0107, U+0108->U+0109,U+0109, U+010A->U+010B, U+010B, U+010C->U+010D, U+010D, U+010E->U+010F, U+010F,U+0110->U+0111, U+0111, U+0112->U+0113, U+0113, U+0114->U+0115, U+0115, U+0116->U+0117,U+0117, U+0118->U+0119, U+0119, U+011A->U+011B, U+011B, U+011C->U+011D, U+011D,U+011E->U+011F, U+011F, U+0130->U+0131, U+0131, U+0132->U+0133, U+0133, U+0134->U+0135,U+0135, U+0136->U+0137, U+0137, U+0139->U+013A, U+013A, U+013B->U+013C, U+013C,U+013D->U+013E, U+013E, U+013F->U+0140, U+0140, U+0141->U+0142, U+0142, U+0143->U+0144,U+0144, U+0145->U+0146, U+0146, U+0147->U+0148, U+0148, U+014A->U+014B, U+014B,U+014C->U+014D, U+014D, U+014E->U+014F, U+014F, U+0150->U+0151, U+0151, U+0152->U+0153,U+0153, U+0154->U+0155, U+0155, U+0156->U+0157, U+0157, U+0158->U+0159, U+0159,U+015A->U+015B, U+015B, U+015C->U+015D, U+015D, U+015E->U+015F, U+015F, U+0160->U+0161,U+0161, U+0162->U+0163, U+0163, U+0164->U+0165, U+0165, U+0166->U+0167, U+0167,U+0168->U+0169, U+0169, U+016A->U+016B, U+016B, U+016C->U+016D, U+016D, U+016E->U+016F,U+016F, U+0170->U+0171, U+0171, U+0172->U+0173, U+0173, U+0174->U+0175, U+0175,U+0176->U+0177, U+0177, U+0178->U+00FF, U+00FF, U+0179->U+017A, U+017A, U+017B->U+017C,U+017C, U+017D->U+017E, U+017E, U+0410..U+042F->U+0430..U+044F, U+0430..U+044F,U+05D0..U+05EA, U+0531..U+0556->U+0561..U+0586, U+0561..U+0587, U+0621..U+063A, U+01B9,U+01BF, U+0640..U+064A, U+0660..U+0669, U+066E, U+066F, U+0671..U+06D3, U+06F0..U+06FF,U+0904..U+0939, U+0958..U+095F, U+0960..U+0963, U+0966..U+096F, U+097B..U+097F,U+0985..U+09B9, U+09CE, U+09DC..U+09E3, U+09E6..U+09EF, U+0A05..U+0A39, U+0A59..U+0A5E,U+0A66..U+0A6F, U+0A85..U+0AB9, U+0AE0..U+0AE3, U+0AE6..U+0AEF, U+0B05..U+0B39,U+0B5C..U+0B61, U+0B66..U+0B6F, U+0B71, U+0B85..U+0BB9, U+0BE6..U+0BF2, U+0C05..U+0C39,U+0C66..U+0C6F, U+0C85..U+0CB9, U+0CDE..U+0CE3, U+0CE6..U+0CEF, U+0D05..U+0D39, U+0D60,U+0D61, U+0D66..U+0D6F, U+0D85..U+0DC6, U+1900..U+1938, U+1946..U+194F, U+A800..U+A805,U+A807..U+A822, U+0386->U+03B1, U+03AC->U+03B1, U+0388->U+03B5, U+03AD->U+03B5,U+0389->U+03B7, U+03AE->U+03B7, U+038A->U+03B9, U+0390->U+03B9, U+03AA->U+03B9,U+03AF->U+03B9, U+03CA->U+03B9, U+038C->U+03BF, U+03CC->U+03BF, U+038E->U+03C5,U+03AB->U+03C5, U+03B0->U+03C5, U+03CB->U+03C5, U+03CD->U+03C5, U+038F->U+03C9,U+03CE->U+03C9, U+03C2->U+03C3, U+0391..U+03A1->U+03B1..U+03C1,U+03A3..U+03A9->U+03C3..U+03C9, U+03B1..U+03C1, U+03C3..U+03C9, U+0E01..U+0E2E,U+0E30..U+0E3A, U+0E40..U+0E45, U+0E47, U+0E50..U+0E59, U+A000..U+A48F, U+4E00..U+9FBF,U+3400..U+4DBF, U+20000..U+2A6DF, U+F900..U+FAFF, U+2F800..U+2FA1F, U+2E80..U+2EFF,U+2F00..U+2FDF, U+3100..U+312F, U+31A0..U+31BF, U+3040..U+309F, U+30A0..U+30FF,U+31F0..U+31FF, U+AC00..U+D7AF, U+1100..U+11FF, U+3130..U+318F, U+A000..U+A48F,U+A490..U+A4CFngram_len = 1 ngram_chars = U+4E00..U+9FBF, U+3400..U+4DBF, U+20000..U+2A6DF, U+F900..U+FAFF,U+2F800..U+2FA1F, U+2E80..U+2EFF, U+2F00..U+2FDF, U+3100..U+312F, U+31A0..U+31BF,U+3040..U+309F, U+30A0..U+30FF, U+31F0..U+31FF, U+AC00..U+D7AF, U+1100..U+11FF,U+3130..U+318F, U+A000..U+A48F, U+A490..U+A4CF
}index testrt
{type = rtrt_mem_limit = 32Mpath = /opt/server/sphinx/var/data/testrtcharset_type = utf-8rt_field = emailrt_field = urlrt_field = nicknamert_attr_uint = is_access
}indexer
{mem_limit = 32M
}searchd
{listen = 9312log = /opt/server/sphinx/var/log/searchd.logquery_log = /opt/server/sphinx/var/log/query.logread_timeout = 5max_children = 30pid_file = /opt/server/sphinx/var/log/searchd.pidmax_matches = 1000seamless_rotate = 1preopen_indexes = 1unlink_old = 1workers = threads # for RT to workbinlog_path = /opt/server/sphinx/var/data
}
5.2 实时索引
策略:
在插入Myslq数据的同时,将需要索引的数据,同时往sphinx 虚拟Mysql数据库写入一份,实时索引
应用场景:
对实施搜索要求非常要的应用,一般不推荐此方式,尚且不稳定
方案:
编写相关PHP类,在Myslq插入数据的类中,同时插入索引数据,对前端使用者无需关心逻辑
详情配置
/opt/server/sphinx/etc/sphinx.conf
#
# 实时索引方案
#source src1
{type = mysqlsql_host = 127.0.0.1sql_user = rootsql_pass = 123456sql_db = testsql_port = 3306sql_query_pre = SET NAMES UTF8sql_query = SELECT id, group_id, UNIX_TIMESTAMP(date_added) AS date_added, title, content FROM documents#sql_query第一列id需为整数#title、content作为字符串/文本字段,被全文索引sql_attr_uint = group_id #从SQL读取到的值必须为整数sql_attr_timestamp = date_added #从SQL读取到的值必须为整数,作为时间属性sql_query_info = SELECT * FROM documents WHERE id=$id #命令行查询时,从数据库读取原始数据信息
}index test1
{source = src1path = /opt/server/sphinx/var/data/test1docinfo = externmlock = 0stopwords =min_prefix_len = 0min_infix_len = 0min_word_len = 1charset_type = utf-8charset_table = U+FF10..U+FF19->0..9, 0..9, U+FF41..U+FF5A->a..z, U+FF21..U+FF3A->a..z,A..Z->a..z, a..z, U+0149, U+017F, U+0138, U+00DF, U+00FF, U+00C0..U+00D6->U+00E0..U+00F6,U+00E0..U+00F6, U+00D8..U+00DE->U+00F8..U+00FE, U+00F8..U+00FE, U+0100->U+0101, U+0101,U+0102->U+0103, U+0103, U+0104->U+0105, U+0105, U+0106->U+0107, U+0107, U+0108->U+0109,U+0109, U+010A->U+010B, U+010B, U+010C->U+010D, U+010D, U+010E->U+010F, U+010F,U+0110->U+0111, U+0111, U+0112->U+0113, U+0113, U+0114->U+0115, U+0115, U+0116->U+0117,U+0117, U+0118->U+0119, U+0119, U+011A->U+011B, U+011B, U+011C->U+011D, U+011D,U+011E->U+011F, U+011F, U+0130->U+0131, U+0131, U+0132->U+0133, U+0133, U+0134->U+0135,U+0135, U+0136->U+0137, U+0137, U+0139->U+013A, U+013A, U+013B->U+013C, U+013C,U+013D->U+013E, U+013E, U+013F->U+0140, U+0140, U+0141->U+0142, U+0142, U+0143->U+0144,U+0144, U+0145->U+0146, U+0146, U+0147->U+0148, U+0148, U+014A->U+014B, U+014B,U+014C->U+014D, U+014D, U+014E->U+014F, U+014F, U+0150->U+0151, U+0151, U+0152->U+0153,U+0153, U+0154->U+0155, U+0155, U+0156->U+0157, U+0157, U+0158->U+0159, U+0159,U+015A->U+015B, U+015B, U+015C->U+015D, U+015D, U+015E->U+015F, U+015F, U+0160->U+0161,U+0161, U+0162->U+0163, U+0163, U+0164->U+0165, U+0165, U+0166->U+0167, U+0167,U+0168->U+0169, U+0169, U+016A->U+016B, U+016B, U+016C->U+016D, U+016D, U+016E->U+016F,U+016F, U+0170->U+0171, U+0171, U+0172->U+0173, U+0173, U+0174->U+0175, U+0175,U+0176->U+0177, U+0177, U+0178->U+00FF, U+00FF, U+0179->U+017A, U+017A, U+017B->U+017C,U+017C, U+017D->U+017E, U+017E, U+0410..U+042F->U+0430..U+044F, U+0430..U+044F,U+05D0..U+05EA, U+0531..U+0556->U+0561..U+0586, U+0561..U+0587, U+0621..U+063A, U+01B9,U+01BF, U+0640..U+064A, U+0660..U+0669, U+066E, U+066F, U+0671..U+06D3, U+06F0..U+06FF,U+0904..U+0939, U+0958..U+095F, U+0960..U+0963, U+0966..U+096F, U+097B..U+097F,U+0985..U+09B9, U+09CE, U+09DC..U+09E3, U+09E6..U+09EF, U+0A05..U+0A39, U+0A59..U+0A5E,U+0A66..U+0A6F, U+0A85..U+0AB9, U+0AE0..U+0AE3, U+0AE6..U+0AEF, U+0B05..U+0B39,U+0B5C..U+0B61, U+0B66..U+0B6F, U+0B71, U+0B85..U+0BB9, U+0BE6..U+0BF2, U+0C05..U+0C39,U+0C66..U+0C6F, U+0C85..U+0CB9, U+0CDE..U+0CE3, U+0CE6..U+0CEF, U+0D05..U+0D39, U+0D60,U+0D61, U+0D66..U+0D6F, U+0D85..U+0DC6, U+1900..U+1938, U+1946..U+194F, U+A800..U+A805,U+A807..U+A822, U+0386->U+03B1, U+03AC->U+03B1, U+0388->U+03B5, U+03AD->U+03B5,U+0389->U+03B7, U+03AE->U+03B7, U+038A->U+03B9, U+0390->U+03B9, U+03AA->U+03B9,U+03AF->U+03B9, U+03CA->U+03B9, U+038C->U+03BF, U+03CC->U+03BF, U+038E->U+03C5,U+03AB->U+03C5, U+03B0->U+03C5, U+03CB->U+03C5, U+03CD->U+03C5, U+038F->U+03C9,U+03CE->U+03C9, U+03C2->U+03C3, U+0391..U+03A1->U+03B1..U+03C1,U+03A3..U+03A9->U+03C3..U+03C9, U+03B1..U+03C1, U+03C3..U+03C9, U+0E01..U+0E2E,U+0E30..U+0E3A, U+0E40..U+0E45, U+0E47, U+0E50..U+0E59, U+A000..U+A48F, U+4E00..U+9FBF,U+3400..U+4DBF, U+20000..U+2A6DF, U+F900..U+FAFF, U+2F800..U+2FA1F, U+2E80..U+2EFF,U+2F00..U+2FDF, U+3100..U+312F, U+31A0..U+31BF, U+3040..U+309F, U+30A0..U+30FF,U+31F0..U+31FF, U+AC00..U+D7AF, U+1100..U+11FF, U+3130..U+318F, U+A000..U+A48F,U+A490..U+A4CFngram_len = 1 ngram_chars = U+4E00..U+9FBF, U+3400..U+4DBF, U+20000..U+2A6DF, U+F900..U+FAFF,U+2F800..U+2FA1F, U+2E80..U+2EFF, U+2F00..U+2FDF, U+3100..U+312F, U+31A0..U+31BF,U+3040..U+309F, U+30A0..U+30FF, U+31F0..U+31FF, U+AC00..U+D7AF, U+1100..U+11FF,U+3130..U+318F, U+A000..U+A48F, U+A490..U+A4CF
}index testrt
{type = rtrt_mem_limit = 32Mpath = /opt/server/sphinx/var/data/testrtdocinfo = externmlock = 0morphology = nonemin_word_len = 1html_strip = 0charset_type = utf-8charset_table = U+FF10..U+FF19->0..9, 0..9, U+FF41..U+FF5A->a..z, U+FF21..U+FF3A->a..z,A..Z->a..z, a..z, U+0149, U+017F, U+0138, U+00DF, U+00FF, U+00C0..U+00D6->U+00E0..U+00F6,U+00E0..U+00F6, U+00D8..U+00DE->U+00F8..U+00FE, U+00F8..U+00FE, U+0100->U+0101, U+0101,U+0102->U+0103, U+0103, U+0104->U+0105, U+0105, U+0106->U+0107, U+0107, U+0108->U+0109,U+0109, U+010A->U+010B, U+010B, U+010C->U+010D, U+010D, U+010E->U+010F, U+010F,U+0110->U+0111, U+0111, U+0112->U+0113, U+0113, U+0114->U+0115, U+0115, U+0116->U+0117,U+0117, U+0118->U+0119, U+0119, U+011A->U+011B, U+011B, U+011C->U+011D, U+011D,U+011E->U+011F, U+011F, U+0130->U+0131, U+0131, U+0132->U+0133, U+0133, U+0134->U+0135,U+0135, U+0136->U+0137, U+0137, U+0139->U+013A, U+013A, U+013B->U+013C, U+013C,U+013D->U+013E, U+013E, U+013F->U+0140, U+0140, U+0141->U+0142, U+0142, U+0143->U+0144,U+0144, U+0145->U+0146, U+0146, U+0147->U+0148, U+0148, U+014A->U+014B, U+014B,U+014C->U+014D, U+014D, U+014E->U+014F, U+014F, U+0150->U+0151, U+0151, U+0152->U+0153,U+0153, U+0154->U+0155, U+0155, U+0156->U+0157, U+0157, U+0158->U+0159, U+0159,U+015A->U+015B, U+015B, U+015C->U+015D, U+015D, U+015E->U+015F, U+015F, U+0160->U+0161,U+0161, U+0162->U+0163, U+0163, U+0164->U+0165, U+0165, U+0166->U+0167, U+0167,U+0168->U+0169, U+0169, U+016A->U+016B, U+016B, U+016C->U+016D, U+016D, U+016E->U+016F,U+016F, U+0170->U+0171, U+0171, U+0172->U+0173, U+0173, U+0174->U+0175, U+0175,U+0176->U+0177, U+0177, U+0178->U+00FF, U+00FF, U+0179->U+017A, U+017A, U+017B->U+017C,U+017C, U+017D->U+017E, U+017E, U+0410..U+042F->U+0430..U+044F, U+0430..U+044F,U+05D0..U+05EA, U+0531..U+0556->U+0561..U+0586, U+0561..U+0587, U+0621..U+063A, U+01B9,U+01BF, U+0640..U+064A, U+0660..U+0669, U+066E, U+066F, U+0671..U+06D3, U+06F0..U+06FF,U+0904..U+0939, U+0958..U+095F, U+0960..U+0963, U+0966..U+096F, U+097B..U+097F,U+0985..U+09B9, U+09CE, U+09DC..U+09E3, U+09E6..U+09EF, U+0A05..U+0A39, U+0A59..U+0A5E,U+0A66..U+0A6F, U+0A85..U+0AB9, U+0AE0..U+0AE3, U+0AE6..U+0AEF, U+0B05..U+0B39,U+0B5C..U+0B61, U+0B66..U+0B6F, U+0B71, U+0B85..U+0BB9, U+0BE6..U+0BF2, U+0C05..U+0C39,U+0C66..U+0C6F, U+0C85..U+0CB9, U+0CDE..U+0CE3, U+0CE6..U+0CEF, U+0D05..U+0D39, U+0D60,U+0D61, U+0D66..U+0D6F, U+0D85..U+0DC6, U+1900..U+1938, U+1946..U+194F, U+A800..U+A805,U+A807..U+A822, U+0386->U+03B1, U+03AC->U+03B1, U+0388->U+03B5, U+03AD->U+03B5,U+0389->U+03B7, U+03AE->U+03B7, U+038A->U+03B9, U+0390->U+03B9, U+03AA->U+03B9,U+03AF->U+03B9, U+03CA->U+03B9, U+038C->U+03BF, U+03CC->U+03BF, U+038E->U+03C5,U+03AB->U+03C5, U+03B0->U+03C5, U+03CB->U+03C5, U+03CD->U+03C5, U+038F->U+03C9,U+03CE->U+03C9, U+03C2->U+03C3, U+0391..U+03A1->U+03B1..U+03C1,U+03A3..U+03A9->U+03C3..U+03C9, U+03B1..U+03C1, U+03C3..U+03C9, U+0E01..U+0E2E,U+0E30..U+0E3A, U+0E40..U+0E45, U+0E47, U+0E50..U+0E59, U+A000..U+A48F, U+4E00..U+9FBF,U+3400..U+4DBF, U+20000..U+2A6DF, U+F900..U+FAFF, U+2F800..U+2FA1F, U+2E80..U+2EFF,U+2F00..U+2FDF, U+3100..U+312F, U+31A0..U+31BF, U+3040..U+309F, U+30A0..U+30FF,U+31F0..U+31FF, U+AC00..U+D7AF, U+1100..U+11FF, U+3130..U+318F, U+A000..U+A48F,U+A490..U+A4CFngram_len = 1 ngram_chars = U+4E00..U+9FBF, U+3400..U+4DBF, U+20000..U+2A6DF, U+F900..U+FAFF,U+2F800..U+2FA1F, U+2E80..U+2EFF, U+2F00..U+2FDF, U+3100..U+312F, U+31A0..U+31BF,U+3040..U+309F, U+30A0..U+30FF, U+31F0..U+31FF, U+AC00..U+D7AF, U+1100..U+11FF,U+3130..U+318F, U+A000..U+A48F, U+A490..U+A4CF#全文索引字段rt_field = title #全文索引字段rt_field = content #全文索引字段#属性字段rt_attr_uint = groupidrt_attr_bigint = biguidrt_attr_float = scorert_attr_timestamp = date_added#存储内容字段rt_attr_string = author #存储author的内容#已设置全文索引,并需要同时存储内容的字段rt_attr_string = title #同时存储title的内容rt_attr_string = content #同时存储content的内容
}indexer
{mem_limit = 32M
}searchd
{listen = 9312listen = 9306:mysql41log = /opt/server/sphinx/var/log/searchd.logquery_log = /opt/server/sphinx/var/log/query.logread_timeout = 5max_children = 30pid_file = /opt/server/sphinx/var/log/searchd.pidmax_matches = 1000seamless_rotate = 1preopen_indexes = 1unlink_old = 1workers = threads # for RT to workbinlog_path = /opt/server/sphinx/var/data
}
/opt/server/mysql/bin/mysql -h127.0.0.1 -P9306
show tables;
desc testrt;
插入数据
INSERT INTO testrt VALUES ( 1, ‘first record’, ‘test one’, 123 );
INSERT INTO testrt VALUES ( 2, ‘second record’, ‘test two’, 234 );
INSERT INTO testrt VALUES ( 4, ‘没有什么不得了’, ‘真的么,就不告诉test’, 6789 );
检索
SELECT * FROM testrt WHERE MATCH(‘test’);
SELECT * FROM testrt WHERE MATCH(‘真的么’);
5.3 多个表独立索引方案
场景:如有用户搜索、商品搜索等多个索引需求
策略:
配置一个多索引方案,每个表单独建立索引
前端根据不同类型选择不同的查询索引;全部,即选择所有索引
Sphinx 之 Coreseek、Sphinx-for-chinaese、Sphinx+Scws 评测相关推荐
- Coreseek、Sphinx-for-chinaese、Sphinx+Scws区别
Sphinx是一个基于SQL的全文检索引擎:普遍使用于很多网站 Sphinx的特性如下: a) 高速的建立索引(在当代CPU上,峰值性能可达到10 MB/秒); b) 高性能的搜索(在2 – 4G ...
- 浅谈Coreseek、Sphinx-for-chinaese、Sphinx+Scws的区别
Sphinx是一个基于SQL的全文检索引擎:普遍使用于很多网站 Sphinx的特性如下: a) 高速的建立索引(在当代CPU上,峰值性能可达到10 MB/秒); b) 高性能的搜索(在2 – 4G ...
- sphinx和coreseek
sphinx是国外的一款搜索软件. coreseek是在sphinx的基础上,增加了中文分词功能,换句话说,就是支持了中文. Coreseek发布了3.2.14版本和4.1版本,其中的3.2.14版本 ...
- sphinx (coreseek)——2、区段查询实例
首先需要知道区段查询的定义: 索引系统需要通过主查询来获取全部的文档信息,一种简单的实现是将整个表的数据读入内存,但是这可能导致整个表被锁定并使得其他操作被阻止(例如:在MyISAM格式上的INSER ...
- Sphinx以及coreseek的安装及使用
检索结构 php -> sphinx -> mysql 非结构化数据又叫全文数据,非固定长度字段例如文章标题搜索这类适用sphinx全文数据搜索: 1 顺序扫描 : 如like查找 2 索 ...
- 基于php的Sphinx以及coreseek的全文搜索,中文分词的使用(一)
基于php的Sphinx以及coreseek的全文搜索,中文分词的使用(一) ##1.sphinx简介 1.什么是sphinx Sphinx是由俄罗斯人Andrew Aksyonoff开发的一个全文检 ...
- Sphinx到Coreseek安装全解
此次采用的是CentOS6.5 32位 如有出入,请参阅相关配置手册说明 --@Author云天河Blog Sphinx部分 简介 Sphinx是一个基于SQL的全文检索引擎,可以结合MySQL,Po ...
- sphinx 项目根目录_如何使用Sphinx工具记录Django项目
sphinx 项目根目录 I recently visited a company where I had a nice talk with one of its employees. We talk ...
- sphinx 编码 php文档,用Sphinx编写技术文档
用Sphinx编写技术文档 大家会发现,如果一个项目主要是用Python写的,其文档都很类似,比如:Python在线的HTML官方手册.这些项目的文档都来源于一个很不错的项目:Sphinx.这个Sph ...
最新文章
- IDA Pro IDA 数据库文件
- centos7 tmp目录 自动清理规则
- win7硬件要求_电脑硬件运行游戏测评
- 三维点云可以导航吗_基于视觉高精定位的“室内AR导航”技术点解析
- 三年开发项目经验总结
- 数学--数论--POJ281(线性同余方程)
- android d弹框顶部突出,TextView + Tablayout实现顶部菜单栏效果
- LeetCode 257 二叉树的所有路径
- 发现Tensorflow
- ubuntu12.04.4安装搜狗输入法
- matlab如何调用swmm,一套基于SWMM开放的城市管网系统控制设计
- 为什么网站打得开,却ping不通, 网站却打得开
- CVE-2020-1472 Netlogon特权提升漏洞分析及复现
- UVA1626 / ZOJ1463 Brackets sequence 区间DP
- MacOS安装的VMware Fusion设置端口映射
- 【技能储备】关于自学FreeMarker导出word的那些事
- matlab无源滤波器,matlab在一阶无源带阻滤波器的应用
- 目标检测之三 Win10 +VS2015+双gtx Titan X使用YOLO v2训练VOC数据
- 复试项目1--蓝桥杯电子钟
- 软件企业认定/年审专项审计报告参考格式