[Java] springmvc配置线程池Executor做多线程并发操作的代码实例

xmlns:task="http://www.springframework.org/schema/task"

http://www.springframework.org/schema/task

http://www.springframework.org/schema/task/spring-task.xsd

<bean id="taskexecutor" class="org.springframework.scheduling.concurrent.threadpooltaskexecutor"> 
  <!-- 核心线程数 -->  
  <property name="corepoolsize" value="${task.core_pool_size}" /> 
  <!-- 最大线程数 -->  
  <property name="maxpoolsize" value="${task.max_pool_size}" /> 
  <!-- 队列最大长度 --> 
  <property name="queuecapacity" value="${task.queue_capacity}" /> 
  <!-- 线程池维护线程所允许的空闲时间，默认为60s --> 
  <property name="keepaliveseconds" value="${task.keep_alive_seconds}" /> 
  </bean> 
  <!-- 注解式 --> 
  <task:annotation-driven />

maxopenpreparedstatements=20
removeabandoned=true
removeabandonedtimeout=1800
logabandoned=true

@resource(name = "taskexecutor") 
private taskexecutor taskexecutor;

taskexecutor.execute(new runnable() { 
  @override
  public void run() { 
  // todo auto-generated method stub 
  try { 
     //要进行的并发操作 
  } catch (exception e) { 
    // todo auto-generated catch block 
    e.printstacktrace(); 
  } 
  } 
});

@controller
public class indexcontroller { 
int studentscount = 0; 
@requestmapping(value = "/index.html") 
  public modelandview goindex() { 
  logbefore(logger, "列表center"); 
  modelandview mv = this.getmodelandview(); 
    taskexecutor.execute(new runnable() { 
    @override
    public void run() { 
      // todo auto-generated method stub 
      // 得到所有学生人数 
      try { 
           studentscount = coursesservice.getstudentcount(pd); 
      } catch (exception e) { 
      // todo auto-generated catch block 
      e.printstacktrace(); 
      } 
    } 
    }); 
     mv.addobject("studentscount", studentscount); 
     mv.setviewname("common/index"); 
     return mv; 
｝