详解Java在redis中进行对象的缓存

package com.cy.example.entity.system;

import java.util.List;

import com.baomidou.mybatisplus.annotations.TableField;
import com.baomidou.mybatisplus.annotations.TableName;
import com.cy.example.entity.SuperEntity;

@TableName("users")
public class SysUserEntity extends SuperEntity<SysUserEntity> {

 /**
  * 序列化
  */
 private static final long serialVersionUID = -2967710007706812401L;

 private String c_username;

 private String c_pwd;

 private String c_phone;

 private String c_email;

 private String n_age;

 private String n_sex;

 private String n_status;

 private SysDepartmentEntity n_departmentId;

 @TableField(exist = false)
 private List<SysRoleEntity> roleList;// 一个用户具有多个角色

 private SysUserEntity n_superior;

 //省略getter、setter
}

// 存储对象
 public void setObject(String key, Object obj) {
  Jedis jedis = null;
  try {
   jedis = pool.getResource();
   jedis.set(key.getBytes(), SerializeUtil.serialize(obj));
  } catch (Exception e) {
   logger.info("缓存服务器连接异常！");
   e.printStackTrace();
  } finally {
   // 返还到连接池
   jedis.close();
  }
 }

// 获取对象
 public Object getObject(String key) {

  byte[] obj = null;
  Jedis jedis = null;
  try {
   jedis = pool.getResource();
   obj = jedis.get(key.getBytes());
  } catch (Exception e) {
   logger.info("缓存服务器连接异常！");
   e.printStackTrace();
  } finally {
   // 返还到连接池
   jedis.close();
  }
  return SerializeUtil.unserialize(obj);
 }