在spring中配置線程池

<bean id ="taskExecutor"  class ="org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor" >
        <property name ="corePoolSize" value ="20" />
        <property name ="keepAliveSeconds" value ="60000" />
        <property name ="maxPoolSize" value ="100" />
        <property name ="queueCapacity" value ="50"/>
</bean>