RedisCache中所有方法参数添加final，并优化list取出效率，添加其它常用redis方法

心悦李国楠

2020-07-03 e0ba2ba3c5f7ad3f289c6ad9278023d7f9e46f66

 ruoyi-gateway/src/main/java/com/ruoyi/gateway/service/impl/ValidateCodeServiceImpl.java

@@ -3,13 +3,10 @@
import java.awt.image.BufferedImage;

import java.io.IOException;

import java.util.concurrent.TimeUnit;



import javax.imageio.ImageIO;



import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

import org.springframework.util.FastByteArrayOutputStream;



import com.google.code.kaptcha.Producer;

import com.ruoyi.common.core.constant.Constants;

import com.ruoyi.common.core.exception.CaptchaException;