以下的文章主要介绍的是Mysql JDBC URL中几个比较重要参数的详细说明,我们大家都知道MySQL数据库中存在JDBC URL几个比较重要参数,此文还将对其具体实例进行介绍,希望大家通过本文能得到一些帮助。 MySQLJDBCDriver 常用的有两个,一个是gjt(Giant Java T
以下的文章主要介绍的是Mysql JDBC URL中几个比较重要参数的详细说明,我们大家都知道MySQL数据库中存在JDBC URL几个比较重要参数,此文还将对其具体实例进行介绍,希望大家通过本文能得到一些帮助。
<ol class="dp-xml"><li class="alt"><span><span>MySQL JDBC Driver </span></span></li></ol>
常用的有两个,一个是gjt(Giant Java Tree)组织提供的mysql驱动,其JDBC Driver名称(JAVA类名)为:org.gjt.mm.mysql.Driver
或下载MysqlJDBC Driver(mm.jar)
另一个是MySQL官方提供的JDBC Driver,其JAVA类名为:com.mysql.jdbc.Driver
进入其中的MysqlConnector/J区域下载。
Mysql JDBC URL格式如下:
jdbc:mysql://[host:port],[host:port].../[database][?参数名1][=参数值1][&参数名2][=参数值2]...
现只列举几个重要的Mysql JDBC URL参数,如下表所示:
对应中文环境,通常MySQL连接URL可以设置为:
<ol class="dp-xml"><li class="alt"><span><span>jdbc:mysql://localhost:3306/test?</span><span class="attribute">user</span><span>=</span><span class="attribute-value">root</span><span>&</span><span class="attribute">password</span><span>=<br>&</span><span class="attribute">useUnicode</span><span>=</span><span class="attribute-value">true</span><span>&</span><span class="attribute">characterEncoding</span><span>=</span><span class="attribute-value">gbk</span><span>&</span><span class="attribute">autoReconnect</span><span>=</span><span class="attribute-value">true</span><span>&</span><span class="attribute">failOverReadOnly</span><span>=</span><span class="attribute-value">false</span><span> </span></span></li></ol>
在使用数据库连接池的情况下,最好设置如下两个参数:
<ol class="dp-xml"><li class="alt"><span><span class="attribute">autoReconnect</span><span>=</span><span class="attribute-value">true</span><span>&</span><span class="attribute">failOverReadOnly</span><span>=</span><span class="attribute-value">false</span><span> </span></span></li></ol>
需要注意的是,在xml配置文件中,url中的&符号需要转义成&。比如在tomcat的server.xml中配置数据库连接池时,Mysql jdbc url样例如下:
<ol class="dp-xml"><li class="alt"><span><span>jdbc:mysql://localhost:3306/test?</span><span class="attribute">user</span><span>=</span><span class="attribute-value">root</span><span>&</span><span class="attribute">password</span><span>=<br>&</span><span class="attribute">useUnicode</span><span>=</span><span class="attribute-value">true</span><span>&</span><span class="attribute">characterEncoding</span><span>=</span><span class="attribute-value">gbk</span><span>&</span><span class="attribute">autoReconnect</span><span>=</span><span class="attribute-value">true</span><span>&</span><span class="attribute">failOverReadOnly</span><span>=</span><span class="attribute-value">false</span><span> </span></span></li></ol>
上述的相关内容就是对Mysql JDBC URL几个重要参数说明的描述,希望会给你带来一些帮助在此方面。

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