[Java] 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);
 }