!98 vue 版本功能迁移：客户端管理，第三方认证，api加解密，登录认证重构

* add 新增 sys_client 客户端配置管理 ;

ruoyi-auth/src/main/java/org/dromara/auth/config/CaptchaConfig.java

@@ -0,0 +1,62 @@
+package org.dromara.auth.config;
+
+import cn.hutool.captcha.CaptchaUtil;
+import cn.hutool.captcha.CircleCaptcha;
+import cn.hutool.captcha.LineCaptcha;
+import cn.hutool.captcha.ShearCaptcha;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Lazy;
+
+import java.awt.*;
+
+/**
+ * 验证码配置
+ *
+ * @author Lion Li
+ */
+@Configuration
+public class CaptchaConfig {
+
+    private static final int WIDTH = 160;
+    private static final int HEIGHT = 60;
+    private static final Color BACKGROUND = Color.PINK;
+    private static final Font FONT = new Font("Arial", Font.BOLD, 48);
+
+    /**
+     * 圆圈干扰验证码
+     */
+    @Lazy
+    @Bean
+    public CircleCaptcha circleCaptcha() {
+        CircleCaptcha captcha = CaptchaUtil.createCircleCaptcha(WIDTH, HEIGHT);
+        captcha.setBackground(BACKGROUND);
+        captcha.setFont(FONT);
+        return captcha;
+    }
+
+    /**
+     * 线段干扰的验证码
+     */
+    @Lazy
+    @Bean
+    public LineCaptcha lineCaptcha() {
+        LineCaptcha captcha = CaptchaUtil.createLineCaptcha(WIDTH, HEIGHT);
+        captcha.setBackground(BACKGROUND);
+        captcha.setFont(FONT);
+        return captcha;
+    }
+
+    /**
+     * 扭曲干扰验证码
+     */
+    @Lazy
+    @Bean
+    public ShearCaptcha shearCaptcha() {
+        ShearCaptcha captcha = CaptchaUtil.createShearCaptcha(WIDTH, HEIGHT);
+        captcha.setBackground(BACKGROUND);
+        captcha.setFont(FONT);
+        return captcha;
+    }
+
+}