hibernate 连结 MYSQL联接字符串中的转义符

hibernate 连结 MYSQL连接字符串中的转义符
<property name="connection.url">jdbc:mysql://localhost:3306/hibernate?useUnicode=true&amp;characterEncoding=UTF-8</property>


        <property name="hbm2ddl.auto">update</property>

session.saveOrUpdate(t);