添加工具类：读取excel；更新RedisKey；返回R对象修改；Long对象处理

添加异常码-异常提示

1、添加统一状态编码StatusType；2、添加返回异常编码

添加错误码

ParamException异常添加参数接收

Merge Request: 活动记录上传飞书，添加redis-key

Created By: @李秋林
Accepted By: @李秋林
URL: https://g-pkkp8204.coding.net/p/promotion/d/promotion-common/git/merge/77

添加报错异常提示

添加数据异常类

Merge Request: 添加错误码

Created By: @李秋林
Accepted By: @李秋林
URL: https://g-pkkp8204.coding.net/p/promotion/d/promotion-common/git/merge/66?initial=true

Merge Request: redis添加key变量

Created By: @李秋林
Accepted By: @李秋林
URL: https://g-pkkp8204.coding.net/p/promotion/d/promotion-common/git/merge/55?initial=true

修改[抛出流程异常参数]，抛出异常提示，redis-key添加

更新错误码

添加工具：MD5密码生成与校验；
token生成工具：添加员工登录token生成；
新增返回错误码
新增redis-key值

Merge Request: 接口错误码添加

Created By: @李秋林
Accepted By: @李秋林
URL: https://g-pkkp8204.coding.net/p/promotion/d/promotion-common/git/merge/35?initial=true

Merge Request: 删除不需要的jar包

Created By: @李秋林
Accepted By: @李秋林
URL: https://g-pkkp8204.coding.net/p/promotion/d/promotion-common/git/merge/31?initial=true

Merge Request: 添加token工具类，R封闭类修改

Created By: @李秋林
Accepted By: @李秋林
URL: https://g-pkkp8204.coding.net/p/promotion/d/promotion-common/git/merge/25?initial=true

Merge Request: 修改pom文件与parent中的版本依赖

Created By: @李秋林
Accepted By: @李秋林
URL: https://g-pkkp8204.coding.net/p/promotion/d/promotion-common/git/merge/19?initial=true

Merge Request: 添加所有工具类，用于其他项目的commont子模块

Created By: @李秋林
Accepted By: @李秋林
URL: https://g-pkkp8204.coding.net/p/promotion/d/promotion-common/git/merge/14?initial=true