在该应用的配置文件web.xml里设置. Example: web.xml <Context path="/DBTest" docBase="DBTest" debug="5" reloadable="true" crossContext="true"> <Logger className="org.apache.catalina.logger.FileLogger" prefix="localhost_DBTest_log." suffix=".txt" timestamp="true"/> <Resource name="jdbc/TestDB" auth="Container" type="javax.sql.DataSource"/> <ResourceParams name="jdbc/TestDB"> <parameter> <name>factory</name> <value>org.apache.commons.dbcp.BasicDataSourceFactory</value> </parameter> <!-- Maximum number of dB connections in pool. Make sure you configure your mysqld max_connections large enough to handle all of your db connections. Set to 0 for no limit. --> <parameter> <name>maxActive</name> <value>100</value> </parameter> <!-- Maximum number of idle dB connections to retain in pool. Set to 0 for no limit. --> <parameter> <name>maxIdle</name> <value>30</value> </parameter> <!-- Maximum time to wait for a dB connection to become available in ms, in this example 10 seconds. An Exception is thrown if this timeout is exceeded. Set to -1 to wait indefinitely. --> <parameter> <name>maxWait</name> <value>10000</value> </parameter> <!-- MySQL dB username and password for dB connections --> <parameter> <name>username</name> <value>javauser</value> </parameter> <parameter> <name>password</name> <value>javadude</value> </parameter> <!-- Class name for mm.mysql JDBC driver --> <parameter> <name>driverClassName</name> <value>org.gjt.mm.mysql.Driver</value> </parameter> <!-- The JDBC connection url for connecting to your MySQL dB. The autoReconnect=true argument to the url makes sure that the mm.mysql JDBC Driver will automatically reconnect if mysqld closed the connection. mysqld by default closes idle connections after 8 hours. --> <parameter> <name>url</name> <value>jdbc:mysql://localhost:3306/javatest?autoReconnect=true</value> </parameter> </ResourceParams> </Context>相关链接: http://jakarta.apache.org/tomcat/tomcat-4.1-doc/jndi-datasource-examples-howto.html
对了我上面说的是在tomcat4.0中servlet 2.3的配置.
如果你使用的服务器是tomcat,那么在conf文件夹下的SERVER。XML文件里如下配置就OK了<Context path="" docBase="目录" debug="0" reloadable="true" crossContext="true"> <Logger className="org.apache.catalina.logger.FileLogger" prefix="localhost_quality_log." suffix=".txt" timestamp="true"/> <Resource name="jdbc/数据库名" auth="Container" type="javax.sql.DataSource"/> <ResourceParams name="jdbc/数据库名"> <parameter> <name>maxActive</name> <!-- Maximum number of DB connections in pool.Set to 0 for no limit. --> <value>100</value> </parameter> <parameter> <name>maxIdle</name> <!-- Maximum number of idle DB connections to retain in pool.Set to 0 for no limit. --> <value>30</value> </parameter> <parameter> <name>maxWait</name> <!-- Maximum time to wait for a DB connection to become available in ms.An exception is thrown if this timeout is exceeded.Set to -1 to wait indefinitely. --> <value>10000</value> </parameter> <parameter> <name>removeAbandoned</name> <!-- Abandoned DB connections are removed and recycled --> <value>true</value> </parameter> <parameter> <name>removeAbandonedTimeout</name> <!-- Use the removeAbandonedTimeout parameter to set the number of seconds a DB connection has been idle before it is considered abandoned. --> <value>60</value> </parameter> <parameter> <name>logAbandoned</name> <!-- Log a stack trace of the code which abandoned --> <value>false</value> </parameter> <parameter> <name>factory</name> <!--DBCP Basic Datasource Factory --> <value>org.apache.commons.dbcp.BasicDataSourceFactory</value> </parameter> <parameter> <name>username</name> <!-- Database User Name --> <value>用户名</value> </parameter> <parameter> <name>password</name> <!-- User Password --> <value>密码</value> </parameter> <parameter> <name>driverClassName</name> <!-- Database Driver Class Name --> <value>net.sourceforge.jtds.jdbc.Driver</value> </parameter> <parameter> <name>url</name> <!-- Database Address --> <value>jdbc:jtds:sqlserver:IP/数据库名</value> </parameter> </ResourceParams></Context >具体我想你应该可以看明白吧
Example:
web.xml
<Context path="/DBTest" docBase="DBTest"
debug="5" reloadable="true" crossContext="true"> <Logger className="org.apache.catalina.logger.FileLogger"
prefix="localhost_DBTest_log." suffix=".txt"
timestamp="true"/> <Resource name="jdbc/TestDB"
auth="Container"
type="javax.sql.DataSource"/> <ResourceParams name="jdbc/TestDB">
<parameter>
<name>factory</name>
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter> <!-- Maximum number of dB connections in pool. Make sure you
configure your mysqld max_connections large enough to handle
all of your db connections. Set to 0 for no limit.
-->
<parameter>
<name>maxActive</name>
<value>100</value>
</parameter> <!-- Maximum number of idle dB connections to retain in pool.
Set to 0 for no limit.
-->
<parameter>
<name>maxIdle</name>
<value>30</value>
</parameter> <!-- Maximum time to wait for a dB connection to become available
in ms, in this example 10 seconds. An Exception is thrown if
this timeout is exceeded. Set to -1 to wait indefinitely.
-->
<parameter>
<name>maxWait</name>
<value>10000</value>
</parameter> <!-- MySQL dB username and password for dB connections -->
<parameter>
<name>username</name>
<value>javauser</value>
</parameter>
<parameter>
<name>password</name>
<value>javadude</value>
</parameter> <!-- Class name for mm.mysql JDBC driver -->
<parameter>
<name>driverClassName</name>
<value>org.gjt.mm.mysql.Driver</value>
</parameter> <!-- The JDBC connection url for connecting to your MySQL dB.
The autoReconnect=true argument to the url makes sure that the
mm.mysql JDBC Driver will automatically reconnect if mysqld closed the
connection. mysqld by default closes idle connections after 8 hours.
-->
<parameter>
<name>url</name>
<value>jdbc:mysql://localhost:3306/javatest?autoReconnect=true</value>
</parameter>
</ResourceParams>
</Context>相关链接:
http://jakarta.apache.org/tomcat/tomcat-4.1-doc/jndi-datasource-examples-howto.html
<Logger className="org.apache.catalina.logger.FileLogger" prefix="localhost_quality_log." suffix=".txt" timestamp="true"/>
<Resource name="jdbc/数据库名" auth="Container" type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/数据库名">
<parameter>
<name>maxActive</name>
<!-- Maximum number of DB connections in pool.Set to 0 for no limit. -->
<value>100</value>
</parameter>
<parameter>
<name>maxIdle</name>
<!-- Maximum number of idle DB connections to retain in pool.Set to 0 for no limit. -->
<value>30</value>
</parameter>
<parameter>
<name>maxWait</name>
<!-- Maximum time to wait for a DB connection to become available in ms.An exception is thrown if this timeout is exceeded.Set to -1 to wait indefinitely. -->
<value>10000</value>
</parameter>
<parameter>
<name>removeAbandoned</name>
<!-- Abandoned DB connections are removed and recycled -->
<value>true</value>
</parameter>
<parameter>
<name>removeAbandonedTimeout</name>
<!-- Use the removeAbandonedTimeout parameter to set the number of seconds a DB connection has been idle before it is considered abandoned. -->
<value>60</value>
</parameter>
<parameter>
<name>logAbandoned</name>
<!-- Log a stack trace of the code which abandoned -->
<value>false</value>
</parameter>
<parameter>
<name>factory</name>
<!--DBCP Basic Datasource Factory -->
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter>
<parameter>
<name>username</name>
<!-- Database User Name -->
<value>用户名</value>
</parameter>
<parameter>
<name>password</name>
<!-- User Password -->
<value>密码</value>
</parameter>
<parameter>
<name>driverClassName</name>
<!-- Database Driver Class Name -->
<value>net.sourceforge.jtds.jdbc.Driver</value>
</parameter>
<parameter>
<name>url</name>
<!-- Database Address -->
<value>jdbc:jtds:sqlserver:IP/数据库名</value>
</parameter>
</ResourceParams></Context >具体我想你应该可以看明白吧