posted @ 2015-09-18 21:04 Kevin Meng 閱讀(228) | 評(píng)論 (0) | 編輯 收藏
posted @ 2015-08-10 23:15 Kevin Meng 閱讀(196) | 評(píng)論 (0) | 編輯 收藏
posted @ 2012-10-22 11:53 Kevin Meng 閱讀(1490) | 評(píng)論 (0) | 編輯 收藏
posted @ 2012-08-15 12:52 Kevin Meng 閱讀(264) | 評(píng)論 (0) | 編輯 收藏
locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
Criteria criteria = new Criteria();
criteria.setAccuracy(Criteria.ACCURACY_FINE);
criteria.setAltitudeRequired(false);
criteria.setBearingRequired(false);
criteria.setCostAllowed(true);
criteria.setPowerRequirement(Criteria.POWER_LOW);
String provider = locationManager.getBestProvider(criteria, true);
/* 每隔1000ms更新一次,并且不考慮位置的變化。 */
locationManager.requestLocationUpdates(provider, 3000, 5, locationListener);
//強(qiáng)制使用GPS定位
//locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 3000, 5, locationListener);
posted @ 2012-08-07 20:59 Kevin Meng 閱讀(337) | 評(píng)論 (0) | 編輯 收藏
這次項(xiàng)目開發(fā),運(yùn)行環(huán)境的tomcat版本從5.5.12升級(jí)到了6.0.18,發(fā)現(xiàn)以前的項(xiàng)目不能跑了,訪問一個(gè)很簡(jiǎn)單的jsp也會(huì)報(bào)錯(cuò),說無法編譯,報(bào)的錯(cuò)誤就是:Only a type can be imported. com.xxx.xxx.XXX resolves to a package,意思就是說你jsp頁(yè)面上引用的那個(gè)類不存在,可是在老版本明明跑的好好的,而且另一個(gè)現(xiàn)象就是項(xiàng)目根目錄下的jsp訪問沒有問題,子目錄下就報(bào)錯(cuò),google了一下,發(fā)現(xiàn)這是新版本tomcat的一個(gè)變化,就是如果不指定context的話,每一個(gè)子文件夾都會(huì)被tomcat當(dāng)作一個(gè)獨(dú)立的虛擬應(yīng)用的,所以每個(gè)子文件夾下的jsp頁(yè)面訪問的時(shí)候,都會(huì)在它的同一層找WEB-INF里面的class,這樣當(dāng)然找不到了,只有剛巧放在根目錄下的jsp文件能訪問。
解決辦法:其實(shí)這也是自己以前寫tomcat的配置文件時(shí)候,寫法不規(guī)范造成的,以前的server.xml里面host信息代碼如下:
<Host name="www.local.com" appBase="D://projects//myWebSite//WebContent" unpackWARs="true" autoDeploy="true" xmlValidation="false" xmlNamespaceAware="false">
<Alias>192.168.1.43</Alias>
<Context path="" docBase="" reloadable="true">
<Logger className="org.apache.catalina.logger.FileLogger" directory="logs" prefix="www.local.com_log." suffix=".txt" timestamp="true"/>
</Context></Host>
這其中Context里面的docBase為空,文件路徑就靠Host里的appBase去指定,這樣tomcat認(rèn)為你這個(gè)站點(diǎn)下沒有應(yīng)用,會(huì)自動(dòng)把每個(gè)文件夾當(dāng)作一個(gè)虛擬應(yīng)用處理。修改后的代碼片段如下:
<Host name="www.local.com" appBase="" unpackWARs="true" autoDeploy="true" xmlValidation="false" xmlNamespaceAware="false">
<Alias>192.168.1.43</Alias>
<Context path="" docBase="D://projects//myWebSite//WebContent" reloadable="true">
<Logger className="org.apache.catalina.logger.FileLogger" directory="logs" prefix="www.local.com_log." suffix=".txt" timestamp="true"/>
</Context></Host>
可以看到Host里面不再指定appBase了,而是在主機(jī)下建立一個(gè)應(yīng)用,應(yīng)用的文件路徑通過docBase來指定,這樣就不會(huì)再產(chǎn)生找不到class的問題了。
ps:tomcat的這個(gè)問題好像是從5.5.28就開始了,記得以前也曾經(jīng)嘗試過升級(jí)tomcat,就發(fā)生了類似的問題,但是當(dāng)時(shí)沒充裕時(shí)間去解決,就一直把問題遺留到現(xiàn)在。
posted @ 2012-08-01 11:14 Kevin Meng 閱讀(522) | 評(píng)論 (0) | 編輯 收藏
web開發(fā)中,我們經(jīng)常需要將一個(gè)表的數(shù)據(jù)插入到另外一個(gè)表,有時(shí)還需要指定導(dǎo)入字段,設(shè)置只需要導(dǎo)入目標(biāo)表中不存在的記錄,雖然這些都可以在程序中拆分成簡(jiǎn)單sql來實(shí)現(xiàn),但是用一個(gè)sql的話,會(huì)節(jié)省大量代碼。下面我以mysql數(shù)據(jù)庫(kù)為例分情況一一說明:
insert into insertTest values(100,'liudehua');
insert into insertTest values(101,'zhourunfa');
insert into insertTest values(102,'zhouhuajian');
(id,name)
select id,name
from insertTest
where not exists (select * from insertTest2
where insertTest2.id=insertTest.id);
(id, name)
SELECT 100, 'liudehua'
FROM dual
WHERE not exists (select * from insertTest
where insertTest.id = 100);
posted @ 2012-02-03 16:04 Kevin Meng 閱讀(531) | 評(píng)論 (0) | 編輯 收藏
posted @ 2011-11-28 13:03 Kevin Meng 閱讀(1613) | 評(píng)論 (0) | 編輯 收藏
解決辦法:
posted @ 2011-11-09 20:30 Kevin Meng 閱讀(2478) | 評(píng)論 (0) | 編輯 收藏
SELECT * FROM geo_corporation t WHERE TO_DAYS(t.addtime)>TO_DAYS('2011-11-05')
某一時(shí)間段內(nèi)的記錄
posted @ 2011-11-07 11:56 Kevin Meng 閱讀(261) | 評(píng)論 (0) | 編輯 收藏
posted @ 2010-06-24 10:52 Kevin Meng 閱讀(420) | 評(píng)論 (0) | 編輯 收藏
(7)點(diǎn)下一步開始安裝,耐心等待,安裝完后重啟,就可以進(jìn)入美麗的Mac世界了。
posted @ 2009-08-05 12:27 Kevin Meng 閱讀(328) | 評(píng)論 (0) | 編輯 收藏
posted @ 2009-02-16 13:29 Kevin Meng 閱讀(4220) | 評(píng)論 (4) | 編輯 收藏
posted @ 2009-02-12 15:31 Kevin Meng 閱讀(911) | 評(píng)論 (3) | 編輯 收藏
posted @ 2009-02-06 16:08 Kevin Meng 閱讀(2589) | 評(píng)論 (2) | 編輯 收藏
(2)安裝oracle 10g客戶端,如果你用的是oracle 9i同樣需要安裝oracle 10g客戶端,否則無法連接oracle。如果你的機(jī)器上已經(jīng)安裝有oracle 9i,安裝oracle 10g客戶端對(duì)oracle 9i并沒有影響。
(3)重新啟動(dòng)機(jī)器。
(4)用phpinfo()檢驗(yàn)是否已經(jīng)加載了php_pdo和php_pdo_oci擴(kuò)展
連接代碼
[development]
database.config.type = pdo_oci
database.config.host=localhost
database.config.username = szapp
database.config.password = szapp
database.config.dbname = ora
database.config.port=1521
$params = array ('dbname' => $config->database->config->dbname,
'username' => $config->database->config->username,
'password' => $config->database->config->password,
'host'=>$config->database->config->host,
'port'=>$config->database->config->port );
$db = Zend_Db::factory ( $config->database->config->type, $params );
$registry->set ( 'db', $db );
posted @ 2009-01-16 13:54 Kevin Meng 閱讀(751) | 評(píng)論 (0) | 編輯 收藏
posted @ 2009-01-08 15:28 Kevin Meng 閱讀(265) | 評(píng)論 (0) | 編輯 收藏
<filter>
<filter-name>struts-cleanup</filter-name>
<filter-class>
org.apache.struts2.dispatcher.ActionContextCleanUp
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts-cleanup</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
再次用jprofiler進(jìn)行分析,果然好了。
posted @ 2008-12-11 12:44 Kevin Meng 閱讀(780) | 評(píng)論 (0) | 編輯 收藏
<servlet>
<servlet-name>JSPSupportServlet</servlet-name>
<servlet-class>
org.apache.struts2.views.JspSupportServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
(2)把struts-html.tld復(fù)制到WEB-INF目錄
(3)在頁(yè)面最前面定義標(biāo)簽庫(kù)
<#assign html=JspTaglibs["/WEB-INF/struts-html.tld"] />
(4)在<head>中引用標(biāo)簽
<@html.base/>
(5)特別注意,在action的配置里面type="freemarker"去掉。因?yàn)槿绻?font color="#ff0000">type="freemarker",那么base為action的路徑,如http://localhost:8080/szmap/findpoi.go,如果去掉type="freemarker",那么base才為網(wǎng)頁(yè)路徑,如http://localhost:8080/szmap/find_poi.htm
posted @ 2008-11-12 12:11 Kevin Meng 閱讀(1205) | 評(píng)論 (0) | 編輯 收藏
昨天老肖提醒了我一下,打補(bǔ)丁,于是立刻給arcEngine打上了SP5補(bǔ)丁,果然再也沒有問題了!靠
心得是:有事別找ESRI技術(shù)支持!:)
posted @ 2008-10-24 10:08 Kevin Meng 閱讀(1975) | 評(píng)論 (8) | 編輯 收藏
(1)點(diǎn)項(xiàng)目-》添加應(yīng)用-》瀏覽,導(dǎo)入log4net.dll
(2)修改app.config
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
<section name="clipmapAEC.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
</sectionGroup>
</configSections>
<userSettings>
<clipmapAEC.Properties.Settings>
<setting name="mapModelMinX" serializeAs="String">
<value>-80000</value>
</setting>
<setting name="mapModelMaxX" serializeAs="String">
<value>170000</value>
</setting>
<setting name="mapModelMinY" serializeAs="String">
<value>-80000</value>
</setting>
<setting name="mapModelMaxY" serializeAs="String">
<value>170000</value>
</setting>
<setting name="scalePara" serializeAs="String">
<value>2</value>
</setting>
<setting name="tileSize" serializeAs="String">
<value>512</value>
</setting>
</clipmapAEC.Properties.Settings>
<log4net>
<root>
<level value="INFO" />
<appender-ref ref="consoleApp" />
</root>
<appender name="rollingFile" type="log4net.Appender.RollingFileAppender,log4net" >
<param name="File" value="C:\\clipmap_log.txt" />
<param name="AppendToFile" value="false" />
<param name="RollingStyle" value="Date" />
<param name="DatePattern" value="yyyy.MM.dd" />
<param name="StaticLogFileName" value="true" />
<layout type="log4net.Layout.PatternLayout,log4net">
<param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n" />
<param name="Header" value=" ----------------------header--------------------------" />
<param name="Footer" value=" ----------------------footer--------------------------" />
</layout>
</appender>
<appender name="consoleApp" type="log4net.Appender.ConsoleAppender,log4net">
<layout type="log4net.Layout.PatternLayout,log4net">
<param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n" />
</layout>
</appender>
<logger name="Log4NetTest.LogTest">
<level value="ERROR" />
<appender-ref ref="rollingFile" />
<appender-ref ref="coloredConsoleApp" />
<appender-ref ref="SystemEvent" />
</logger>
</log4net>
</userSettings>
</configuration>
紅色部分是對(duì)log4net的設(shè)置,其他不用管
(3)在要只用log4net的類namespace前面加using log4net; [assembly: log4net.Config.XmlConfigurator()]
(4)在代碼中使用logger.info("XXXX");就可以了
posted @ 2008-10-16 15:49 Kevin Meng 閱讀(756) | 評(píng)論 (0) | 編輯 收藏
jdk1.6
tomcat5.028
首先下載“xalan系列jar包”,下載地址:http://www.apache.org/dyn/closer.cgi/xml/xalan-j,
然后將tomcat中目錄下:/tomcat/common/endorsed/(xercesImpl.jar和xml-apis.jar)刪掉,然后將下載的xalan系列jar包(包括serializer.jar、xalan.jar、xercesImpl.jar、xml-apis.jar、xsltc.jar)拷貝到/tomcat/common/endorsed目錄,重啟tomcat
posted @ 2008-10-09 10:25 Kevin Meng 閱讀(1537) | 評(píng)論 (0) | 編輯 收藏
如果不轉(zhuǎn)碼,request.getParameter("key")返回的是亂碼,在jsp中,我們一般這樣子傳參數(shù)
String key2=URLEncoder.encode(key,"gbk");
http://www.map512.cn/findPOI.do?key=key2
那么在freemarker中怎么辦呢?
用
<#setting url_escaping_charset='gbk'>
<a href=http://www.map512.cn/findPOI.do?key=${key?url}>查詢</a>
posted @ 2008-09-18 16:39 Kevin Meng 閱讀(4589) | 評(píng)論 (2) | 編輯 收藏
<1>軟硬件環(huán)境
Apache Http Server 2.2.4
Tomcat 5.028
jdk1.6
請(qǐng)自行下載jk_module.so,但注意必須與apache http server的版本對(duì)應(yīng)。
硬件我手頭有一臺(tái)IBM服務(wù)器,有三臺(tái)刀片機(jī)可用,IP分別是
S1:192.168.70.101
S2:192.168.70.102
S3:192.168.70.103
當(dāng)然這三臺(tái)機(jī)器您完全可以用三個(gè)一般的臺(tái)式機(jī)來代替.
我們的計(jì)劃是
用S1來做應(yīng)用服務(wù)器,用S2來做負(fù)載均衡,用S3來做數(shù)據(jù)庫(kù)服務(wù)器.
<2>在S1,S2下安裝jdk1.6
例如我安裝在c:\jdk1.6下
添加環(huán)境變量:
JAVA_HOME=C:\jdk1.6
CLASSPATH=%JAVA_HOME%\lib\tools.jar;%JAVA_HOME%\lib\dt.jar
在PATH前面加:
PATH=%JAVA_HOME%\bin;
<3>在S1下安裝apache,沒有什么值得注意的地方,一路按next就可以了
我安裝在D:\Apache2.2
<4>在S1,S2下安裝tomcat 5.028
也是一路按next就可以了,我安裝在d:\tomcat5.0
以上對(duì)于一個(gè)java開發(fā)人員來說應(yīng)該都不是問題,接下來就是重頭戲了!
<5>配置
5.1 把下載的mod_jk-1.2.26-httpd-2.2.4.so拷貝到S1機(jī)器的D:\Apache2.2\modules目錄下,并改名為mod_jk.so
5.2 打開S1機(jī)器的D:\Apache2.2\conf\http.conf文件,在一堆LoadModule的最后加上這么一行
LoadModule jk_module modules/mod_jk.so
5.3 在D:\Apache2.2\conf\http.conf的最后加上對(duì)jk_module的配置
#與tomcat關(guān)聯(lián)
<IfModule jk_module>
JkWorkersFile conf/workers.properties
JkMountFile conf/uriworkermap.properties
JkLogFile logs/mod_jk.log
JkLogLevel warn
</IfModule>
<IfModule dir_module>
DirectoryIndex index.html,index.jsp,index.htm
</IfModule>
#結(jié)束與tomcat關(guān)聯(lián)
#添加虛擬主機(jī),注意S1上apache網(wǎng)頁(yè)文件目錄和tomcat網(wǎng)頁(yè)文件目錄要指向同一個(gè)目錄,否則靜態(tài)頁(yè)面會(huì)無法訪問
<VirtualHost *:80>
ServerName www.map512.cn
DocumentRoot D:/Tomcat5.0/webapps
ServerAdmin support.szmap@gmail.com
JkMountFile conf/uriworkermap.properties
</VirtualHost>
#給虛擬主機(jī)目錄付權(quán)限
<Directory D:/Tomcat5.0/webapps>
Options Indexes FollowSymLinks
AllowOverride None
Order allow,deny
Allow from all
</Directory>
#默認(rèn)訪問
<IfModule dir_module>
DirectoryIndex index.html,index.jsp
</IfModule>
5.4 在D:\Apache2.2\conf\http.conf目錄下新建一個(gè)文件workers.properties,并添加以下內(nèi)容
#
# workers.properties
#
# list the workers by name
worker.list=SZMAP, status
# localhost server 1
# ------------------------
worker.s1.port=8009
worker.s1.host=192.168.70.101
worker.s1.type=ajp13
# localhost server 2
# ------------------------
worker.s2.port=8009
worker.s2.host=192.168.70.102
worker.s2.type=ajp13
# worker.s2.stopped=1
worker.SZMAP.type=lb
worker.retries=3
worker.SZMAP.balance_workers=s1, s2
worker.SZMAP.sticky_session=1
worker.status.type=status
說明:這個(gè)文件配置了兩個(gè)worker,一個(gè)是SZMAP即我們的應(yīng)用服務(wù),這個(gè)應(yīng)用服務(wù)type是lb即負(fù)載均衡,并由s1和s2兩個(gè)balanced_workers來執(zhí)行,這里你可以添加無限多個(gè)服務(wù)器來實(shí)現(xiàn)負(fù)載(當(dāng)然,前提是您有足夠的RMB),一個(gè)是status是用來查看負(fù)載均衡狀態(tài)的,我們后面將會(huì)用到.
5.6 在D:\Apache2.2\conf\http.conf目錄下新建一個(gè)文件uriworkermap.properties,并添加以下內(nèi)容
/*=SZMAP
/jkstatus=status #設(shè)置除以下類型的文件外,都由tomcat提供服務(wù)(也就是說下面列出的格式都有apache提供服務(wù))
!/*.gif=SZMAP
!/*.jpg=SZMAP
!/*.png=SZMAP
!/*.css=SZMAP
!/*.js=SZMAP
!/*.html=SZMAP
說明:這個(gè)配置的意思是,所有的請(qǐng)求都轉(zhuǎn)到SZMAP這個(gè)worker(即上面配置的s1,s2這兩個(gè)balanced_workers下的tomcat服務(wù))去執(zhí)行,除了*.gif,*.html等靜態(tài)元素和/jkstatus,/jkstatus由status這個(gè)worker執(zhí)行.
5.7 Tomcat的配置
打開S1機(jī)器D:\Tomcat5.0\conf\server.xml,找到Engine部分,改成
<Engine defaultHost="localhost" name="Catalina" jvmRoute="s1">
<Host appBase="webapps" name="localhost"> <Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster" managerClassName="org.apache.catalina.cluster.session.DeltaManager" expireSessionsOnShutdown="false" useDirtyFlag="true"> <Membership className="org.apache.catalina.cluster.mcast.McastService" mcastAddr="228.0.0.4" mcastPort="45564" mcastFrequency="500" mcastDropTime="3000"/> <Receiver className="org.apache.catalina.cluster.tcp.ReplicationListener" tcpListenAddress="auto" tcpListenPort="4001" tcpSelectorTimeout="100" tcpThreadCount="6"/> <Sender className="org.apache.catalina.cluster.tcp.ReplicationTransmitter" replicationMode="pooled"/> <Valve className="org.apache.catalina.cluster.tcp.ReplicationValve" filter=".*\.gif;.*\.js;.*\.jpg;.*\.html;.*\.txt;"/> </Cluster> <Logger className="org.apache.catalina.logger.FileLogger" prefix="localhost_log." suffix=".txt" timestamp="true"/> </Host> <Logger className="org.apache.catalina.logger.FileLogger" prefix="catalina_log." suffix=".txt" timestamp="true"/> <Realm className="org.apache.catalina.realm.UserDatabaseRealm"/> </Engine>
<Engine defaultHost="localhost" name="Catalina" jvmRoute="s2">
<Host appBase="webapps" name="localhost"> <Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster" managerClassName="org.apache.catalina.cluster.session.DeltaManager" expireSessionsOnShutdown="false" useDirtyFlag="true"> <Membership className="org.apache.catalina.cluster.mcast.McastService" mcastAddr="228.0.0.4" mcastPort="45564" mcastFrequency="500" mcastDropTime="3000"/> <Receiver className="org.apache.catalina.cluster.tcp.ReplicationListener" tcpListenAddress="auto" tcpListenPort="4001" tcpSelectorTimeout="100" tcpThreadCount="6"/> <Sender className="org.apache.catalina.cluster.tcp.ReplicationTransmitter" replicationMode="pooled"/> <Valve className="org.apache.catalina.cluster.tcp.ReplicationValve" filter=".*\.gif;.*\.js;.*\.jpg;.*\.html;.*\.txt;"/> </Cluster> <Logger className="org.apache.catalina.logger.FileLogger" prefix="localhost_log." suffix=".txt" timestamp="true"/> </Host> <Logger className="org.apache.catalina.logger.FileLogger" prefix="catalina_log." suffix=".txt" timestamp="true"/> <Realm className="org.apache.catalina.realm.UserDatabaseRealm"/> </Engine>
到此,我們的配置已經(jīng)完成.
<6>查看結(jié)果
啟動(dòng)S1和S2下的tomcat服務(wù),然后啟動(dòng)S1下的apache服務(wù).
打開流覽器,輸入地址http://192.168.70.101/jkstatus,如果能看到以下界面,那么,恭喜您,您該感謝我了!呵呵!
JK Status Manager for 192.168.70.101:80
Server Version: | Apache/2.2.4 (Win32) mod_jk/1.2.26 |
JK Version: | mod_jk/1.2.26 |
Listing Load Balancing Worker (1 Worker) [Hide]
[S|E|R] Worker Status for SZMAP
Type | Sticky Sessions | Force Sticky Sessions | Retries | LB Method | Locking | Recover Wait Time | Max Reply Timeouts |
---|---|---|---|---|---|---|---|
lb | True | False | 2 | Request | Optimistic | 60 | 0 |
Good | Degraded | Bad/Stopped | Busy | Max Busy | Next Maintenance |
---|---|---|---|---|---|
2 | 0 | 0 | 0 | 6 | 32/94 |
Balancer Members [Hide]
Name | Type | Host | Addr | Act | State | D | F | M | V | Acc | Err | CE | RE | Wr | Rd | Busy | Max | Route | RR | Cd | Rs | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
[E|R] | s1 | ajp13 | 192.168.70.101:8009 | 192.168.70.101:8009 | ACT | OK/IDLE | 0 | 1 | 1 | 0 | 1821 | 0 | 0 | 0 | 1.3M | 2.0M | 0 | 5 | s1 | 0/0 | ||
[E|R] | s2 | ajp13 | 192.168.70.102:8009 | 192.168.70.102:8009 | ACT | OK/IDLE | 0 | 1 | 1 | 0 | 1821 | 0 | 0 | 0 | 1.3M | 2.0M | 0 | 4 | s2 | 0/0 |
Edit one attribute for all members: [Activation |LB Factor |Route |Redirect Route |Cluster Domain |Distance ]
參考:
proxy方式:http://blog.chinaunix.net/u/22176/showart_1002535.html
liunx下的配置:http://seven.blog.51cto.com/120537/57930
posted @ 2008-09-10 10:25 Kevin Meng 閱讀(558) | 評(píng)論 (0) | 編輯 收藏
在struts.xml中加
<constant name="struts.locale" value="zh_CN"></constant>
<constant name="struts.i18n.encoding" value="UTF-8"></constant>
即可。
posted @ 2008-08-22 18:50 Kevin Meng 閱讀(245) | 評(píng)論 (0) | 編輯 收藏
(1)在eclipse中配置好struts2
(2)把struts2-spring-plugin-2.0.11.2.jar包復(fù)制到WEB-INF\lib目錄(3)在web.xml中配置spring
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
記住,如果您之前用過spring,請(qǐng)把spring配置去掉。
<servlet>
<servlet-name>context</servlet-name>
<servlet-class>
org.springframework.web.context.ContextLoaderServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
(4)修改applicationContext.xml
<beans default-autowire="byName" xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
(5)在struts.xml加入
<constant name="struts.objectFactory" value="spring" />
(6)在spring的配置文件applicationContext.xml中定義action
<bean id="SearchBusLineAction"
class="com.bus.struts2.action.SearchBusLineAction" abstract="false"
lazy-init="default" autowire="default" dependency-check="default">
<property name="busService">
<ref bean="BusServiceImpl" />
</property>
</bean>
(7)在struts.xml中定義action
<!-- 注意這里class="SearchBusLineAction"而不是com.bus.struts2.action.SearchBusLineAction是因?yàn)檫@個(gè)已經(jīng)在spring的applicationContext.xml中定義 -->
<action name="searchBusLine" class="SearchBusLineAction">
<result name="success" type="freemarker">/index.jsp</result>
</action>
posted @ 2008-08-22 17:41 Kevin Meng 閱讀(2421) | 評(píng)論 (0) | 編輯 收藏
posted @ 2008-08-08 16:07 Kevin Meng 閱讀(234) | 評(píng)論 (0) | 編輯 收藏
freemarker腳本將你的頁(yè)面搞得一團(tuán)槽吧.
修改一下dreamweaver的配置,將freemarker 腳本顯示成和js一樣的圖標(biāo)效果吧
以dreamweaver8為例
打開
Dreamweaver 8\Configuration\ThirdPartyTags\Tags.xml
加入
< !-- FreeMarker Tag By hety-->
<directive_spec
tag_name="ftl_b1" start_string="[#" end_string="]"
detect_in_attribute="true" icon="TemplateExpr.gif" icon_width="17"
icon_height="15"/>
<directive_spec tag_name="ftl_e1"
start_string="[/#" end_string="]" detect_in_attribute="true"
icon="TemplateExpr.gif" icon_width="17" icon_height="15"/>
<directive_spec
tag_name="ftl_i" start_string="[@" end_string="/]"
detect_in_attribute="true" icon="TemplateExpr.gif" icon_width="17"
icon_height="15"/>
<directive_spec tag_name="ftl_b2"
start_string="<#" end_string=">" detect_in_attribute="true"
icon="TemplateExpr.gif" icon_width="17" icon_height="15"/>
<directive_spec
tag_name="ftl_e2" start_string="</#" end_string=">"
detect_in_attribute="true" icon="TemplateExpr.gif" icon_width="17"
icon_height="15"/>
<directive_spec tag_name="ftl_v"
start_string="${" end_string="}" detect_in_attribute="true"
icon="TemplateExpr.gif" icon_width="17" icon_height="15"/>
重啟下dreamweaver就搞定
dreamweaver其它版本的腳本配置也差不多
還可參考:http://weishuwei.javaeye.com/blog/85041
posted @ 2008-08-08 14:06 Kevin Meng 閱讀(314) | 評(píng)論 (0) | 編輯 收藏
posted @ 2008-07-07 10:43 Kevin Meng 閱讀(164) | 評(píng)論 (0) | 編輯 收藏
(1)配置tomcat支持SSL,請(qǐng)參考我的文章:http://www.aygfsteel.com/menglikun/archive/2008/07/02/212065.html
(2)把證書導(dǎo)到j(luò)re,運(yùn)行cmd
Microsoft Windows XP [版本 5.1.2600]
(C) 版權(quán)所有 1985-2001 Microsoft Corp.
C:\Documents and Settings\Administrator>d:
D:\>cd d:\tomcat5.0
D:\Tomcat5.0>keytool -export -file myserver.cert -alias cas -keystore server.key
store
輸入keystore密碼:
保存在文件中的認(rèn)證 <myserver.cert>
D:\Tomcat5.0>
執(zhí)行到這里,您應(yīng)該可以在d:\tomcat5.0目錄中找到一個(gè)文件myserver.cert
接著,我們要把這個(gè)證書文件導(dǎo)到客戶端的JVM中,因?yàn)楝F(xiàn)在我們的客戶端和服務(wù)器端都是同一臺(tái)機(jī)器,所以直接進(jìn)入cmd,執(zhí)行以下命令就可以了
D:\Tomcat5.0>keytool -import -keystore c:/jdk1.6/jre/lib/security/cacerts -file
myserver.cert -alias cas
輸入keystore密碼: //注意,這里是默認(rèn)密碼changeit
所有者:CN=localhost, OU=szghj, O=szghj, L=suzhou, ST=jiangsu, C=cn
簽發(fā)人:CN=localhost, OU=szghj, O=szghj, L=suzhou, ST=jiangsu, C=cn
序列號(hào):486ae46a
有效期: Wed Jul 02 10:14:02 CST 2008 至Tue Sep 30 10:14:02 CST 2008
證書指紋:
MD5:AC:A9:C2:47:36:DF:D0:C1:76:F3:6D:14:70:73:90:5C
SHA1:3C:2E:45:92:29:98:ED:7E:93:34:BB:11:2D:EE:ED:E3:E4:4D:E3:85
簽名算法名稱:SHA1withRSA
版本: 3
信任這個(gè)認(rèn)證? [否]: y
認(rèn)證已添加至keystore中
(3)配置CAS服務(wù)器
我用戶的是3.2.1版本,直接把cas-server-webapp-3.2.1.war復(fù)制到tomcat的webapp目錄,改名為userservice-cas就可以了
(4)配置客戶端,我用的是cas-client-java-2.1.0,把casclient.jar復(fù)制到客戶端的lib目錄,然后打開web.xml,添加如下的過濾器就可以了。
<filter>
<filter-name>CAS Filter</filter-name>
<filter-class>
edu.yale.its.tp.cas.client.filter.CASFilter
</filter-class>
<init-param>
<param-name>
edu.yale.its.tp.cas.client.filter.loginUrl
</param-name>
<param-value>
https://localhost:8443/userservice-cas/login
</param-value>
</init-param>
<init-param>
<param-name>
edu.yale.its.tp.cas.client.filter.validateUrl
</param-name>
<param-value>
https://localhost:8443/userservice-cas/serviceValidate
</param-value>
</init-param>
<init-param>
<param-name>
edu.yale.its.tp.cas.client.filter.serverName
</param-name>
<param-value>
localhost:4000
</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CAS Filter</filter-name>
<url-pattern>/jsp/user/*</url-pattern>
</filter-mapping>
其他:
(1)成功登錄后,出現(xiàn)錯(cuò)誤 Unable to validate ProxyTicketValidator 是什么原因。
這是因?yàn)閿?shù)字證書的簽名不一致造成的,例如生成證書的時(shí)候用localhost,但是訪問的時(shí)候卻用機(jī)器名。統(tǒng)一一下就可以了
posted @ 2008-07-02 11:19 Kevin Meng 閱讀(314) | 評(píng)論 (0) | 編輯 收藏
環(huán)境:
window xp
tomcat 5.028
jdk 1.6
(1)進(jìn)入cmd
我的tomcat安裝在d:\tomcat5.0,所以進(jìn)入該目錄
Microsoft Windows XP [版本 5.1.2600]
(C) 版權(quán)所有 1985-2001 Microsoft Corp.
C:\Documents and Settings\Administrator>d:
D:\>cd d:\tomcat5.0
D:\Tomcat5.0>keytool -genkey -alias cas -keyalg RSA -keystore server.keystore //別名是cas,您可以自己修改
輸入keystore密碼: //我輸入了密碼menglikun,您可以自己改,但要記住,后面要用到
再次輸入新密碼:
您的名字與姓氏是什么?
[Unknown]: localhost //如果是開發(fā)環(huán)境,建議用localhost或機(jī)器名,如果是發(fā)布環(huán)境,請(qǐng)用域名,不要用IP
您的組織單位名稱是什么?
[Unknown]: szghj
您的組織名稱是什么?
[Unknown]: szghj
您所在的城市或區(qū)域名稱是什么?
[Unknown]: suzhou
您所在的州或省份名稱是什么?
[Unknown]: jiangsu
該單位的兩字母國(guó)家代碼是什么
[Unknown]: cn
CN=localhost, OU=szghj, O=szghj, L=suzhou, ST=jiangsu, C=cn 正確嗎?
[否]: y
輸入<cas>的主密碼
(如果和 keystore 密碼相同,按回車): //輸入密碼menglikun
再次輸入新密碼:
D:\Tomcat5.0>
執(zhí)行到這一步,如果不出意外的話,在d:\tomcat5.0目錄下就會(huì)有一個(gè)server.ksystore文件
(2)打開d:\tomcat5.0\conf\server.xml,添加一個(gè)新的connector,修改后的server.xml如下:
<?xml version='1.0' encoding='utf-8'?>
<Server>
<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"/>
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"/>
<GlobalNamingResources>
<Environment name="simpleValue" type="java.lang.Integer" value="30"/>
<Resource auth="Container" description="User database that can be updated and saved" name="UserDatabase" type="org.apache.catalina.UserDatabase"/>
<ResourceParams name="UserDatabase">
<parameter>
<name>factory</name>
<value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
</parameter>
<parameter>
<name>pathname</name>
<value>conf/tomcat-users.xml</value>
</parameter>
</ResourceParams>
</GlobalNamingResources>
<Service name="Catalina">
<Connector URIEncoding="UTF-8" acceptCount="100" connectionTimeout="20000" disableUploadTimeout="true" port="4000" redirectPort="8443" useBodyEncodingForURI="true" maxSpareThreads="75" maxThreads="150" minSpareThreads="25">
</Connector>
<Connector port="8009" protocol="AJP/1.3" protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler" redirectPort="8443">
</Connector>
<Connector port="8443"
maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" disableUploadTimeout="true"
acceptCount="100" debug="0" scheme="https" secure="true"
clientAuth="false" sslProtocol="TLS" keystorePass="menglikun" keystoreFile="server.keystore" />
<Engine defaultHost="localhost" name="Catalina">
<Host appBase="webapps" name="localhost">
<Logger className="org.apache.catalina.logger.FileLogger" prefix="localhost_log." suffix=".txt" timestamp="true"/>
</Host>
<Logger className="org.apache.catalina.logger.FileLogger" prefix="catalina_log." suffix=".txt" timestamp="true"/>
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"/>
</Engine>
</Service>
</Server>
(3)重新啟動(dòng)tomcat,在瀏覽器中輸入https://localhost:8443,如果出現(xiàn)安全提示,說明SSL配置成功
posted @ 2008-07-02 10:48 Kevin Meng 閱讀(194) | 評(píng)論 (0) | 編輯 收藏
(2)修改tomcat目錄下的conf/server.xml,在engine里面添加
<Host name="localhost" debug="0" appBase="E:\\Tomcat5.0\\webapps"
unpackWARs="true" autoDeploy="true"
xmlValidation="false" xmlNamespaceAware="false">
<Logger className="org.apache.catalina.logger.FileLogger"
directory="logs" prefix="localhost_log." suffix=".txt"
timestamp="true"/>
<Context path="" docBase="E:\\Tomcat5.0\\webapps\\szmap" reloadable="true" caseSensitive="false" debug="0"></Context>
</Host>
<Host name="house.map512.cn" debug="0" appBase="E:\\Tomcat5.0\\suzhou"
unpackWARs="true" autoDeploy="true"
xmlValidation="false" xmlNamespaceAware="false">
<Alias>house.map512.cn</Alias>
<Context path="" docBase="E:\\Tomcat5.0\\suzhou\\szhouse" reloadable="true" caseSensitive="false" debug="0"></Context>
</Host>
<Host name="plan.map512.cn" debug="0" appBase="E:\\Tomcat5.0\\suzhou"
unpackWARs="true" autoDeploy="true"
xmlValidation="false" xmlNamespaceAware="false">
<Alias>plan.map512.cn</Alias>
<Context path="" docBase="E:\\Tomcat5.0\\suzhou\\szghgs" reloadable="true" caseSensitive="false" debug="0"></Context>
</Host>
posted @ 2008-07-01 16:14 Kevin Meng 閱讀(901) | 評(píng)論 (0) | 編輯 收藏
create table tab2 tablespace space2 as (select t.* from tab1 t);
tab1為原來的表,tab2為臨時(shí)表 space2為目的表空間。
執(zhí)行完后,把tab1刪除,然后把tab2改名為tab1就可以了。注意該方法不能復(fù)制索引,所以必須重建索引!
posted @ 2008-06-18 16:02 Kevin Meng 閱讀(488) | 評(píng)論 (0) | 編輯 收藏
1、盡量不要使用 like '%..%'
2、對(duì)于 like '..%..' (不以 % 開頭),Oracle可以應(yīng)用 colunm上的index
3、對(duì)于 like '%...' 的 (不以 % 結(jié)尾),可以利用 reverse + function index 的形式,變化成 like '..%' 代碼
建測(cè)試表和Index。
注意:重點(diǎn)在于帶reverse的function index。同時(shí),一定要使用CBO才行......
SQL> select reverse('123') from dual;
REVERSE('123')
--------------------------------
321
1 row selected.
SQL> create table test_like as select object_id,object_name from dba_objects;
Table created.
SQL> create index test_like__name on test_like(object_name);
Index created.
SQL> create index test_like__name_reverse on test_like(reverse(object_name));
Index created.
SQL> analyze table test_like compute statistics for table for all indexes;
Table analyzed.
SQL> set autot trace
--常量開頭的like , 會(huì)利用index ,沒問題......
SQL> select * from test_like where object_name like AS%';
Execution Plan
----------------------------------------------------------
0 SELECT STATEMENT Optimizer=CHOOSE (Cost=2 Card=655 Bytes=15720)
1 0 TABLE ACCESS (BY INDEX ROWID) OF 'TEST_LIKE' (Cost=2 Card=655Bytes=15720)
2 1 INDEX (RANGE SCAN) OF 'TEST_LIKE__NAME' (NON-UNIQUE) (Cost=2 Card=118)
-- 開頭和結(jié)尾都是%,對(duì)不起,很難優(yōu)化
SQL> select * from test_like where object_name like '%%';
Execution Plan
----------------------------------------------------------
0 SELECT STATEMENT Optimizer=CHOOSE (Cost=6 Card=655 Bytes=15720)
1 0 TABLE ACCESS (FULL) OF 'TEST_LIKE' (Cost=6 Card=655 ytes=15720)
-- 以常量結(jié)束,直接寫的時(shí)候是不能應(yīng)用index的
SQL> select * from test_like where object_name like '%S';
Execution Plan
----------------------------------------------------------
0 SELECT STATEMENT Optimizer=CHOOSE (Cost=6 Card=655 Bytes=15720)
1 0 TABLE ACCESS (FULL) OF 'TEST_LIKE' (Cost=6 Card=655 Bytes=15720)
--'以常量結(jié)束的,加個(gè)reverse 函數(shù),又可以用上index了'
SQL> select * from test_like where reverse(object_name)like reverse('%AS');
Execution Plan
----------------------------------------------------------
0 SELECT STATEMENT Optimizer=CHOOSE (Cost=2 Card=655 Bytes=15720)
1 0 TABLE ACCESS (BY INDEX ROWID) OF 'TEST_LIKE' (Cost=2 Card=655 Bytes=15720)
2 1 INDEX (RANGE SCAN) OF 'TEST_LIKE__NAME_REVERSE' (NON-UNIQUE) (Cost=2 Card=118)
posted @ 2008-06-16 09:18 Kevin Meng 閱讀(394) | 評(píng)論 (0) | 編輯 收藏
今天開機(jī)的時(shí)候,ubuntu系統(tǒng)提示說
Busybox v1.1.3 (debian1:1.1.3-5 ubuntu12)built-in shell (ash)
enter 'help'for a list of built-in commands
(initranfs)
在網(wǎng)上找了很多資料終于找到了解決方法:
先說說我的情況,我的是雙系統(tǒng),WindowsXP+Ubuntu,所以我進(jìn)去windowsxp系統(tǒng)
把boot里面的initrd.img-2.6.24-12-generic.bak重命名替換initrd.img-2.6.24-12-generic
我的問題就是這樣解決的。
重啟電腦,一切正常!!
希望對(duì)大家有幫助!
posted @ 2008-05-26 09:52 Kevin Meng 閱讀(1167) | 評(píng)論 (3) | 編輯 收藏
(1)正確安裝Oracle 9i企業(yè)版,Oracle9i企業(yè)版在安裝的時(shí)候就已經(jīng)默認(rèn)提供了全文索引支持。如果你的Oracle還沒有安裝,請(qǐng)先安裝一下,至于怎樣安裝,這里不做討論,請(qǐng)Google一下。
(2)Oracle9i默認(rèn)情況下會(huì)把ctxsys用戶鎖定,請(qǐng)以DBA身份登陸Oracle,把用戶ctxsys解鎖,并修改其密碼為ctxsys,以便于我們后面登陸Text Manager
(3)進(jìn)入Oracle的text manager,點(diǎn)程序->Oracle-OracleHome92->Enterprise Manager Console。選獨(dú)立啟動(dòng),然后選工具欄最下面的應(yīng)用程序->text Manager,這時(shí)會(huì)要求您輸入用戶名和密碼,用戶名ctxsys,密碼ctxsys
(4)選擇首選項(xiàng)——〉語(yǔ)言指定器——〉CTXSYS,選一個(gè)點(diǎn)類似創(chuàng)建,輸入指示器的名字如chinese_lexer,選擇lexer下的chinese_vgrnm_lexer 。
(5)建立索引,在索引上點(diǎn)右鍵,然后選創(chuàng)建CONTEXT索引,這里要注意方案要選擇您自己的表空間,如我有個(gè)表SZPOI在表空間SUZHOU中,現(xiàn)在我要對(duì)該表的UNITNAME字段建立全文索引,那么方案選suzhou,表選szpoi,字段選unitname,首選項(xiàng)中選擇chinese_lexer 。
這樣全文檢索就建好了,并用chinese_vgram_lexer作為分析器。
(6)如何查詢數(shù)據(jù)。索引建立以后,我們就可以對(duì)該表進(jìn)行全文索引查詢了,查詢語(yǔ)句如下:
SELECT score(1),t.unitname,t.objectid,t.eminx,t.eminy,t.mpfullname,t.dianhua FROM szpoi t WHERE contains (unitname, '規(guī)劃局,吳中分局', 1) > 0 order by score(1) desc
大功告成了嗎?沒有!
接著我們還要建立兩個(gè)job來維護(hù)和優(yōu)化索引。
維護(hù):
begin
sys.dbms_job.submit(job => :job,
what => 'ctx_ddl.sync_index(''SZPOI_UNITNAME_INDEX'');',
next_date => to_date('23-05-2008 13:54:57', 'dd-mm-yyyy hh24:mi:ss'),
interval => 'SYSDATE + (1/24/4)');
commit;
end;
優(yōu)化:
begin
sys.dbms_job.submit(job => :job,
what => 'ctx_ddl.optimize_index(''SZPOI_UNITNAME_INDEX'',''FULL'');',
next_date => to_date('23-05-2008 14:03:02', 'dd-mm-yyyy hh24:mi:ss'),
interval => 'SYSDATE + 1');
commit;
end;
posted @ 2008-05-23 13:47 Kevin Meng 閱讀(664) | 評(píng)論 (0) | 編輯 收藏
二、安裝apache,最好用80端口
三、安裝Subversion
四、安裝TortoiseSVN
五、進(jìn)入D:\Subversion,新建一個(gè)目錄projects
六、在projects目錄中點(diǎn)鼠標(biāo)右鍵,選擇TortoiseSVN->create reposities here...新建一個(gè)倉(cāng)庫(kù)
七、打開apache的httpd.conf文件,找到
#LoadModule dav_module modules/mod_dav.so
#LoadModule dav_fs_module modules/mod_dav_fs.so
把前面的#去掉,并添加
LoadModule dav_svn_module D:/Subversion/bin/mod_dav_svn.so
LoadModule authz_svn_module D:/Subversion/bin/mod_authz_svn.so
八、在httpd.conf后面添加
<Location /svn>
#
# SVN
#
DAV svn
SVNParentPath "D:/Subversion"
</Location>
保存,然后重啟apache,打開ie,輸入http://localhost/svn/projects/看看能不能打開,如果能打開,恭喜您,您離成功已經(jīng)不遠(yuǎn)了!
九、設(shè)置權(quán)限
點(diǎn)開始->運(yùn)行,打開控制臺(tái)
進(jìn)入D:\Apache\Apache2\bin,運(yùn)行
htpasswd -c D:\Subversion\passwd menglikun
新建一個(gè)密碼文件,并添加用戶menglikun,如果要添加更多用戶,運(yùn)行
htpasswd -m D:\Subversion\passwd test
添加test用戶
十、修改apache的httpd.conf文件
<Location /svn>
#
# SVN
#
DAV svn
SVNParentPath "D:/Subversion"
AuthType Basic
AuthName "Subversion repository"
AuthUserFile D:/Subversion/passwd
Require valid-user
</Location>
保存,重啟apache,再次進(jìn)入http://localhost/svn/projects,這次就要求輸入密碼了!
OK,大功告成!
更多設(shè)置,請(qǐng)找google,如如何設(shè)置目錄的訪問權(quán)限(只讀,可寫等等)。
posted @ 2008-04-11 11:15 Kevin Meng 閱讀(224) | 評(píng)論 (0) | 編輯 收藏
新建一個(gè)CSS標(biāo)簽,標(biāo)簽名選擇TABLE,確定后在彈出的CSS樣式編輯器里,選"分類"中的"方框"選項(xiàng),將里面的寬,高,填充,邊界的值全部設(shè)為0;再將"定位"中"類型"下面的寬,高的值也都設(shè)為0,點(diǎn)保存,然后再把表格的樣式設(shè)置為table就可以了,即class="TABLE".
posted @ 2008-03-03 17:20 Kevin Meng 閱讀(1533) | 評(píng)論 (0) | 編輯 收藏
Local DNS Cache for Faster Browsing on Ubuntu System
A DNS server resolves domain names into IP addresses. So when you request “yahoo.com” for example, the DNS server finds out the address for the domain, and sends your request the right way.
You can run a DNS cache on your computer. This will speed up the process of looking up domain names when browsing. The difference is about 30-60 ms. Multiply that difference by the number of websites you visit a day for an approximate estimate of the speed improvement.
The following instructions are for someone with a broadband internet connection, where the computer gets it’s local IP address using DHCP from the router in your home or office.
Install dnsmasq in Ubuntu
Dnsmasq is a lightweight, easy to configure, DNS forwarder and DHCP server. It is designed to provide DNS and optionally, DHCP, to a small network. It can serve the names of local machines which are not in the global DNS. The DHCP server integrates with the DNS server and allows machines with DHCP-allocated addresses to appear in the DNS with names configured either in each host or in a central configuration file. Dnsmasq supports static and dynamic DHCP leases and BOOTP for network booting of diskless machines.
First you need to make sure that Universe repository is enabled in your sources.list file
Install dnsmasq Using the following command
sudo apt-get install dnsmasq
uncomment the following line (remove “#” in the beginning) in the file /etc/dnsmasq.conf
listen-address=127.0.0.1
Now edit
/etc/dhcp3/dhclient.conf
and make sure the section below exactly like this, especially the line that says “prepend domain-name-servers 127.0.0.1;”
#supersede domain-name “fugue.com home.vix.com”;
prepend domain-name-servers 127.0.0.1;
request subnet-mask, broadcast-address, time-offset, routers,
domain-name, domain-name-servers, host-name,
netbios-name-servers, netbios-scope;
In the normal case, when you get a new dhcp lease, the dhcp3 client (tool) on your computer gets a new lease, and updates the
/etc/resolv.conf
file on your computer with the right values for the DNS servers to use (usually some machine in the network of your hosting provider). Adding the “prepend” option as we did above ensures that “127.0.0.1″ will appear on the top of the list of DNS servers. That magic number refers to your own computer. So in the future, whenever your computer needs to resolve a domain name, it will forward that request to dnsmasq (which is running at 127.0.0.1 - your computer). If the details for the domain name are already in you cache, well and good, dnsmasq will serve it up and make the process real fast. If it is not in the cache, then dnsmasq will look at the /etc/resolv.conf file and use the nameservers listed below the “127.0.0.1″. I hope that explains things.
Now open the file
/etc/resolv.conf
in your text editor. It probably looks like:
search yourisp.com
nameserver 217.54.170.023
nameserver 217.54.170.024
nameserver 217.54.170.026
The 127.0.0.1 is missing right now since you haven’t renewed your lease after you edited the /etc/dhcp3/dhclient.conf file. So, let us add that in manually this one time. After you do, your /etc/resolv.conf file will look like the following:
search yourisp.com
nameserver 127.0.0.1
nameserver 217.54.170.023
nameserver 217.54.170.024
nameserver 217.54.170.026
Now you need to restart the dnsmasq using the following command
sudo /etc/init.d/dnsmasq restart.
Now you are running a local DNS cache.
Testing Your Local DNS Cache
If you want to measure your speed improvement, type the command
dig yahoo.com
You will see something like “;; Query time: 38 msec” there.
Now type the command again, and you should see something like:”;; Query time: 2 msec”
posted @ 2008-01-22 12:47 Kevin Meng 閱讀(1882) | 評(píng)論 (0) | 編輯 收藏
tomcat 5.028
下載 mod_jk.so(http://www.aygfsteel.com/Files/menglikun/mod_jk2.rar )放到D:\Apache2.2\modules
修改D:\Apache2.2\conf\httpd.conf在后面加以下代碼
# Using mod_jk2.dll to redirect dynamic calls to Tomcat
LoadModule jk_module modules\mod_jk2.so
JkWorkersFile "conf\workers.properties"
JkLogFile "logs\mod_jk2.log"
JkLogLevel debug
JkMount /*.jsp worker1
JkMount /szmap3/* worker1
在D:\Apache2.2\conf\httpd.conf中新建workers.properties加入代碼
workers.tomcat_home=d:\Tomcat5.0 #讓mod_jk模塊知道Tomcat
workers.java_home=C:\jdk1.5 #讓mod_jk模塊知道j2sdk
ps=\ #指定文件路徑分割符
worker.list=worker1
worker.worker1.port=8009 #工作端口,若沒占用則不用修改
worker.worker1.host=localhost #Tomcat服務(wù)器的地址
worker.worker1.type=ajp13 #類型
worker.worker1.lbfactor=1 #負(fù)載平衡因數(shù)
為避免出現(xiàn)亂碼,必須修改tomcat安裝目錄下的conf/server.xml,修改以下配置
<Connector port="8009" protocol="AJP/1.3" protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler" redirectPort="8443" URIEncoding="GBK">
</Connector>
重新啟動(dòng)apache就可以了
posted @ 2007-12-25 15:20 Kevin Meng 閱讀(231) | 評(píng)論 (0) | 編輯 收藏
posted @ 2007-11-23 09:08 Kevin Meng 閱讀(707) | 評(píng)論 (0) | 編輯 收藏
var name = document.getElementById("textName").value;
if (name=="樓盤名稱")
name = "";
var url="house/searchHouse.php?district="+encodeURIComponent(district);
posted @ 2007-09-26 15:09 Kevin Meng 閱讀(564) | 評(píng)論 (0) | 編輯 收藏
(1)apache_2.2.3-win32-x86-no_ssl.msi 到官方網(wǎng)站下載
(2)php-5.2.4-win32-installer.msi 到官方網(wǎng)站下載
二、安裝apache_2.2.3我們安裝在D:\apache2.2目錄下,如果您的機(jī)器上已經(jīng)安裝有oracle,因?yàn)閛racle的apache占用了80端口,安裝完后打開D:\Apache2.2\conf\httpd.conf文件,把Listen 80改成別的端口號(hào),如4001
三、安裝php5.2.4,安裝時(shí)要求選擇apache安裝目錄,選擇D:\Apache2.2就可以了。
四、測(cè)試PHP是否已經(jīng)安裝成功,進(jìn)入D:\Apache2.2\htdocs新建一個(gè)文本文件,輸入
<?php
phpinfo();
?>
另存為phpinfo.php
啟動(dòng)apahche服務(wù),然后打開瀏覽器,輸入http://localhost:4001/phpinfo.php,如果出現(xiàn)php信息頁(yè)面,說明php安裝成功。
posted @ 2007-09-26 11:15 Kevin Meng 閱讀(336) | 評(píng)論 (0) | 編輯 收藏
cursor t1 is select * from szmenpaipro;
begin
for rec in t1 loop
update wgspoi t set t.detail=rec.jieshao where t.objectid=rec.objid;
end loop;
end;
posted @ 2007-08-02 16:48 Kevin Meng 閱讀(1343) | 評(píng)論 (1) | 編輯 收藏
(1)執(zhí)行SQL
SELECT MAX(id) FROM gdb_objectclasses
找出id的最大值。例如執(zhí)行結(jié)果是
MAX(ID)
---------------
55
(2)執(zhí)行SQL
SELECT registration_id FROM table_registry WHERE table_name = 'GDB_OBJECTCLASSES'找到表'GDB_OBJECTCLASSES'注冊(cè)ID號(hào)
如執(zhí)行結(jié)果是
--------------
3
(3)執(zhí)行SQL
SELECT last_number FROM user_sequences WHERE sequence_name = 'R3'
找出序列R3的下一個(gè)值,如果第二步中的執(zhí)行結(jié)果是4則這里是R4。例如執(zhí)行結(jié)果是:
LAST_NUMBER
---------------
50
(4)從上面的查詢結(jié)果中可以看出,序列R3的下一個(gè)值是50,而表gdb_objectclasses中小于55的值都已經(jīng)被占用了。所以就會(huì)出現(xiàn)異常Unique contraint (SDE.GDB_OC_PKC) violated。解決辦法是不斷增加序列R3的值,使其大于55,執(zhí)行下面的SQL語(yǔ)句6次就可以了。
SELECT R3.NEXTVAL from dual
(5)在SDE中,選中sde連接后點(diǎn)鼠標(biāo)右鍵,選擇refresh。然后就可以再導(dǎo)數(shù)據(jù)了。注意這一步一定要進(jìn)行,這也是我一直認(rèn)為sde很爛的地方。
posted @ 2007-04-11 09:52 Kevin Meng 閱讀(7881) | 評(píng)論 (0) | 編輯 收藏
例如有這樣一個(gè)表,其中ID號(hào)為AAAK2aAAMAAAOX+AAX的記錄是重復(fù)的,如何只取其中一條記錄呢?
ID1 |
XINGMING |
XINGBIE |
CENGYONGMING |
MINZU |
PAICHUSUOBIANHAO |
JUWEIHUIBIANHAO |
AAAK2aAAMAAAOefAAx |
陳長(zhǎng)芬 |
2 |
|
01 |
32059856 |
3205985607 |
AAAK2aAAMAAAOfgAAn |
陳尺平 |
1 |
|
01 |
32059856 |
3205985615 |
AAAK2aAAMAAAOX+AAX |
陳春付 |
1 |
|
01 |
32059856 |
3205985602 |
AAAK2aAAMAAAOX+AAX |
陳春付 |
1 |
|
01 |
32059856 |
3205985602 |
AAAK2aAAMAAAOX+AAX |
陳春付 |
1 |
|
01 |
32059856 |
3205985602 |
create table szzzrktemp as (select * from zzrktemp t1
where rowid in (select max(rowid) from zzrktemp t2
where t1.id1=t2.id1))
posted @ 2007-04-09 13:13 Kevin Meng 閱讀(234) | 評(píng)論 (0) | 編輯 收藏
oracle打了9.2.0.4的補(bǔ)丁之后,必須把版本也改變過來。
運(yùn)行cmd
sqlplus /nolog
SQL*Plus: Release 9.2.0.1.0 - Production on 星期四 4月 5 09:35:41 2007
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
已連接。
SQL> shutdow immediate
數(shù)據(jù)庫(kù)已經(jīng)關(guān)閉。
已經(jīng)卸載數(shù)據(jù)庫(kù)。
ORACLE 例程已經(jīng)關(guān)閉。
ORACLE 例程已經(jīng)啟動(dòng)。
Fixed Size 457892 bytes
Variable Size 486539264 bytes
Database Buffers 1199570944 bytes
Redo Buffers 1191936 bytes
數(shù)據(jù)庫(kù)裝載完畢。
數(shù)據(jù)庫(kù)已經(jīng)打開。
SQL> spool d:\catpatch.log
SQL> @d:\oracle\ora92\rdbms\admin\catpatch.sql
SQL> spool off
注:在catpatch中會(huì)調(diào)用catexp來修改exp
使用exp導(dǎo)出成功DD
posted @ 2007-04-05 09:42 Kevin Meng 閱讀(679) | 評(píng)論 (1) | 編輯 收藏
posted @ 2007-04-02 23:08 Kevin Meng 閱讀(542) | 評(píng)論 (0) | 編輯 收藏
Error Description : SPECIFIED ATTRIBUTE COLUMN DOESN'T EXIST.
com.esri.sde.sdk.client
at com.esri.sde.sdk.client.j.a(Unknown Source)
at com.esri.sde.sdk.client.j.a (Unknown Source)
at com.esri.sde.sdk.client
at com.suzhou.service.sde.SDEOpera
at com.suzhou.struts.action
at org.springframework.web.struts
at org.apache.struts.action
at org.apache.struts.action
at org.apache.struts.action
at org.apache.struts.action
at javax.servlet.http.HttpServlet
at javax.servlet.http.HttpServlet
at org.apache.catalina.core
at org.apache.catalina.core
at com.suzhou.util.SetCharacterEnc
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.valves
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.catalina.core
at org.apache.coyote.tomcat5
at org.apache.coyote.http11
at org.apache.coyote.http11
at org.apache.tomcat.util.net
at org.apache.tomcat.util.threads
at java.lang.Thread.run(Thread.java:619)
插入點(diǎn)的java代碼如下:
String server = "menglikunm";
int instance = 5151;
String database = "ora";
String user = "suzhou";
String password = "suzhou";
public Long addPointObject(long x, long y, String tabname) throws Exception {
SeLayer insertLayer = null;
SeConnection conn = null;
Long intsertRowID = null;
try {
conn = new SeConnection(server, instance, database, user, password);
Vector layerList = conn.getLayers();
for (int index = 0; index < layerList.size(); index++) {
SeLayer layer = (SeLayer) layerList.elementAt(index);
System.out.println(layer.getName());
if ( layer.getName().equalsIgnoreCase(tabname)) {
insertLayer = layer;
break;
}
}
} catch (SeException e) {
// e.printStackTrace();
throw e;
}
// 開始插入數(shù)據(jù)
if (insertLayer == null) {
throw new Exception("找不到空間表:" + tabname);
}
try {
conn.startTransaction();
String[] cols = new String[1];
//cols[0] = insertLayer.getSpatialColumn();
cols[0]="SHAPE";
System.out.println(cols[0]);
SeInsert insert = new SeInsert(conn);
System.out.println(insertLayer.getName());
insert.intoTable(insertLayer.getName(), cols);//運(yùn)行到這里時(shí)出現(xiàn)錯(cuò)誤!
insert.setWriteMode(true);
SeCoordinateReference coordref = (SeCoordinateReference) insertLayer
.getCoordRef();
SeShape shape = new SeShape(coordref);
int numPts = 1;
SDEPoint[] ptArray = new SDEPoint[numPts];
ptArray[0] = new SDEPoint(x, y);
shape.generatePoint(numPts, ptArray);
SeRow row = insert.getRowToSet();
row.setShape(0, shape);
insert.execute();
intsertRowID = new Long(insert.lastInsertedRowId().longValue());
insert.close();
conn.commitTransaction();
conn.close();
} catch (Exception ex) {
ex.printStackTrace ();
try {
conn.rollbackTransaction();
conn.close();
} catch (Exception ex2) {
}
throw ex;
}
return intsertRowID;
}
很多時(shí)候,這些問題都要你自己來發(fā)現(xiàn)和解決,不能太相信ESRI的技術(shù)支持,他們大部分時(shí)候都不能給你什么幫助:)
posted @ 2007-04-02 23:05 Kevin Meng 閱讀(1858) | 評(píng)論 (1) | 編輯 收藏
例如有的時(shí)候你需要你的筆記本去作演示,web應(yīng)用安裝在你的筆記本上,但沒有網(wǎng)線,無法連網(wǎng)。這時(shí)候如果啟動(dòng)tomcat,將無法鏈接數(shù)據(jù)庫(kù),那怎么辦呢。點(diǎn)網(wǎng)絡(luò)連接,選擇屬性,然后把所有驅(qū)動(dòng)都安裝一遍,再重新啟動(dòng)tomcat服務(wù)就可以了。
posted @ 2007-03-29 17:11 Kevin Meng 閱讀(491) | 評(píng)論 (0) | 編輯 收藏












































































































































posted @ 2007-03-20 17:16 Kevin Meng 閱讀(384) | 評(píng)論 (1) | 編輯 收藏
(1)給oracle打最新的補(bǔ)丁(很重要)
(2)在控制面板的服務(wù)里面選擇oracleServiceXXX,選擇屬性,點(diǎn)“恢復(fù)”,把下面的三個(gè)操作都設(shè)置為“重新啟動(dòng)”就可以了。
posted @ 2007-02-28 14:01 Kevin Meng 閱讀(1488) | 評(píng)論 (0) | 編輯 收藏
新建一個(gè).bat文件,如“啟動(dòng)所有服務(wù).bat”。打開,輸入以下代碼:
net start "OracleOraHome92TNSListener"
pause
net start "OracleServiceORA"
pause
net start "esri_sde"
pause
net start "ArcIMS Application Server 9.1"
pause
net start "ArcIMS Monitor 9.1"
pause
net start "ArcIMS Tasker 9.1"
pause
說明:
net start "OracleOraHome92TNSListener" --啟動(dòng)Oracle服務(wù)
pause --暫停
net start "OracleServiceORA" --啟動(dòng)Oracle服務(wù)
net?start "szmap_sde" --啟動(dòng)arcSDE服務(wù)
net start "ArcIMS Application Server 9.1" --啟動(dòng)arcIMS服務(wù)
net?start "ArcIMS Monitor 9.1" --啟動(dòng)arcIMS服務(wù)
net?start "ArcIMS Monitor 9.1" --啟動(dòng)arcIMS服務(wù)
注意,啟動(dòng)服務(wù)的順序不能亂。
net命令的詳細(xì)說明看MS的DOS命令幫助。這里只作簡(jiǎn)單說明。
net?start "serviceKeyName",這里的serviceKeyName是服務(wù)的關(guān)鍵字,而不是控制面板中顯示的名字,控制面板中顯示的名字是DispalyName.要通過服務(wù)的DisplayName獲得KeyName可以通過以下命令實(shí)現(xiàn):
sc getkeyname "serviceDisplayName"
例如要查詢arcSDE服務(wù)“ArcSde Service(esri_sde)”的KeyName,可以運(yùn)行以下命令:
C:\Documents and Settings\menglikun>sc getkeyname "ArcSde Service(esri_sde)"
[SC] GetServiceKeyName SUCCESS? Name = esri_sde
這里可以看出“ArcSde Service(esri_sde)”的KeyName=seri_sde,所以要啟動(dòng)這個(gè)SDE服務(wù),只要執(zhí)行命令:
sc start "seri_sde"
即可。
再新建一個(gè)批處理文件“停止所有服務(wù).bat”,打開,輸入以下代碼:
net stop "ArcIMS Tasker 9.1"
net?stop "ArcIMS Monitor 9.1"
net?stop "ArcIMS Application Server 9.1"
net?stop "szmap_sde"
net stop "OracleOraHome92TNSListener"
注意,停止服務(wù)的順序剛好以啟動(dòng)相反。
這樣,大功告成。以后要啟動(dòng)服務(wù),執(zhí)行“啟動(dòng)所有服務(wù).bat”,停止服務(wù)執(zhí)行“停止所有服務(wù).bat”即可。
posted @ 2007-01-19 23:08 Kevin Meng 閱讀(493) | 評(píng)論 (0) | 編輯 收藏
由于文章比較長(zhǎng)而且?guī)Ш芏鄨D片,不好在這里貼出,需要者請(qǐng)發(fā)郵件到kookmen@163.com索取。
posted @ 2006-11-28 15:31 Kevin Meng 閱讀(603) | 評(píng)論 (9) | 編輯 收藏
即加入:<param name="wmode" value="transparent">
posted @ 2006-11-12 13:42 Kevin Meng 閱讀(351) | 評(píng)論 (0) | 編輯 收藏
一、新建一個(gè)Filter,代碼如下:
package com.suzhou.util;
import java.io.IOException;
import javax.servlet.*;
public class SetCharacterEncodingFilter implements Filter {
?protected String encoding = null;// ///要制定的編碼,在web.xml中配置
?protected FilterConfig filterConfig = null;
?public void destroy() {
??this.encoding = null;
??this.filterConfig = null;
?}
?public void doFilter(ServletRequest request, ServletResponse response,
???FilterChain chain) throws IOException, ServletException {
??if (request.getCharacterEncoding() == null) {
???String encoding = getEncoding();// //得到指定的編碼名字
???if (encoding != null)
????request.setCharacterEncoding(encoding);// //設(shè)置request的編碼
??}
??chain.doFilter(request, response);// /有機(jī)會(huì)執(zhí)行下一個(gè)filter
?}
?public void init(FilterConfig filterConfig) throws ServletException {
??this.filterConfig = filterConfig;
??this.encoding = filterConfig.getInitParameter("encoding");// /得到在web.xml中配置的編碼
?}
?protected String getEncoding() {
??return (this.encoding);// /得到指定的編碼
?}
}
二、修改web.xml,添加:
<filter>
??<filter-name>SetCharacterEncoding</filter-name>
??<filter-class>com.suzhou.util.SetCharacterEncodingFilter</filter-class>
??<init-param>
???<param-name>encoding</param-name>
???<param-value>GBK</param-value>
??</init-param>
?</filter>
?<filter-mapping>
??<filter-name>SetCharacterEncoding</filter-name>
??<url-pattern>/*</url-pattern>
?</filter-mapping>
三、進(jìn)入http://localhost:port/admin,選擇Tomcat server/Service/Connector(port),把URI Encoding改成UTF-8,Use Body Encoding For URI Query Parameters:設(shè)置為true,點(diǎn)保存然后重新啟動(dòng)Tomcat即可。
記住,每個(gè)jsp頁(yè)面的編碼都為:
<%@ page contentType="text/html; charset=GBK" language="java" import="java.sql.*" errorPage="" %>
這樣子不但能徹底解決中文參數(shù)問題(如http://menglikn:4000/suzhou/getMap.do?ditu=市區(qū)圖),而且還能解決中文URL問題(如http://menglikun:4000/suzhou/空白頁(yè).html)
posted @ 2006-11-10 19:26 Kevin Meng 閱讀(527) | 評(píng)論 (0) | 編輯 收藏