新增：新增修改邮箱功能，并优化部分以往代码（引入 spring-boot-starter-mail 用于发送邮件验证码）

continew-admin-common/pom.xml

@@ -59,6 +59,17 @@ limitations under the License.
             </exclusions>
         </dependency>
 
+        <!-- Java 邮件支持 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-mail</artifactId>
+        </dependency>
+        <!-- FreeMarker（模板引擎） -->
+        <dependency>
+            <groupId>org.freemarker</groupId>
+            <artifactId>freemarker</artifactId>
+        </dependency>
+
         <!-- Hibernate Validator -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -126,5 +137,11 @@ limitations under the License.
             <groupId>org.redisson</groupId>
             <artifactId>redisson-spring-boot-starter</artifactId>
         </dependency>
+
+        <!-- Easy Captcha（Java 图形验证码，支持 gif、中文、算术等类型，可用于 Java Web、JavaSE 等项目） -->
+        <dependency>
+            <groupId>com.github.whvcse</groupId>
+            <artifactId>easy-captcha</artifactId>
+        </dependency>
     </dependencies>
 </project>

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/properties/CaptchaProperties.java

@@ -0,0 +1,173 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.cnadmin.common.config.properties;
+
+import java.awt.*;
+
+import lombok.Data;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+import com.wf.captcha.*;
+import com.wf.captcha.base.Captcha;
+
+import cn.hutool.core.util.ReflectUtil;
+import cn.hutool.core.util.StrUtil;
+
+/**
+ * 验证码配置属性
+ *
+ * @author Charles7c
+ * @since 2022/12/11 13:35
+ */
+@Data
+@Component
+@ConfigurationProperties(prefix = "captcha")
+public class CaptchaProperties {
+
+    /**
+     * 图片验证码配置
+     */
+    private CaptchaImage image;
+
+    /**
+     * 邮箱验证码配置
+     */
+    private CaptchaMail mail;
+
+    /**
+     * 图片验证码配置
+     */
+    @Data
+    public static class CaptchaImage {
+        /**
+         * 类型
+         */
+        private CaptchaImageTypeEnum type;
+
+        /**
+         * 内容长度
+         */
+        private int length;
+
+        /**
+         * 过期时间
+         */
+        private long expirationInMinutes;
+
+        /**
+         * 宽度
+         */
+        private int width = 111;
+
+        /**
+         * 高度
+         */
+        private int height = 36;
+
+        /**
+         * 字体
+         */
+        private String fontName;
+
+        /**
+         * 字体大小
+         */
+        private int fontSize = 25;
+
+        /**
+         * 获取图片验证码对象
+         *
+         * @return 验证码对象
+         */
+        public Captcha getCaptcha() {
+            Captcha captcha = ReflectUtil.newInstance(type.getClazz(), this.width, this.height);
+            captcha.setLen(length);
+            if (StrUtil.isNotBlank(this.fontName)) {
+                captcha.setFont(new Font(this.fontName, Font.PLAIN, this.fontSize));
+            }
+            return captcha;
+        }
+    }
+
+    /**
+     * 邮箱验证码配置
+     */
+    @Data
+    public static class CaptchaMail {
+        /**
+         * 内容长度
+         */
+        private int length;
+
+        /**
+         * 过期时间
+         */
+        private long expirationInMinutes;
+
+        /**
+         * 限制时间
+         */
+        private long limitInSeconds;
+
+        /**
+         * 模板路径
+         */
+        private String templatePath;
+    }
+
+    /**
+     * 图片验证码类型枚举
+     */
+    @Getter
+    @RequiredArgsConstructor
+    private enum CaptchaImageTypeEnum {
+
+        /**
+         * 算术
+         */
+        ARITHMETIC(ArithmeticCaptcha.class),
+
+        /**
+         * 中文
+         */
+        CHINESE(ChineseCaptcha.class),
+
+        /**
+         * 中文闪图
+         */
+        CHINESE_GIF(ChineseGifCaptcha.class),
+
+        /**
+         * 闪图
+         */
+        GIF(GifCaptcha.class),
+
+        /**
+         * 特殊类型
+         */
+        SPEC(SpecCaptcha.class),;
+
+        /**
+         * 验证码字节码类型
+         */
+        private final Class<? extends Captcha> clazz;
+    }
+}

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/consts/CacheConstants.java

@@ -33,4 +33,14 @@ public class CacheConstants {
      */
     public static final String LOGIN_USER_CACHE_KEY = "LOGIN_USER";
 
+    /**
+     * 验证码缓存键
+     */
+    public static final String CAPTCHA_CACHE_KEY = "CAPTCHA";
+
+    /**
+     * 限流缓存键
+     */
+    public static final String LIMIT_CACHE_KEY = "LIMIT";
+
 }

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/handler/GlobalExceptionHandler.java

@@ -162,8 +162,8 @@ public class GlobalExceptionHandler {
     @ResponseStatus(HttpStatus.UNAUTHORIZED)
     @ExceptionHandler(NotLoginException.class)
     public R handleNotLoginException(NotLoginException e, HttpServletRequest request) {
-        log.error("请求地址'{}'，认证失败'{}'，无法访问系统资源", request.getRequestURI(), e.getMessage());
-        return R.fail(HttpStatus.UNAUTHORIZED.value(), "认证失败，无法访问系统资源");
+        log.error("请求地址'{}'，认证失败，无法访问系统资源", request.getRequestURI(), e);
+        return R.fail(HttpStatus.UNAUTHORIZED.value(), "登录状态已过期，请重新登录");
     }
 
     /**

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/model/vo/CaptchaVO.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.cnadmin.common.model.vo;
+
+import java.io.Serializable;
+
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+
+/**
+ * 验证码信息
+ *
+ * @author Charles7c
+ * @since 2022/12/11 13:55
+ */
+@Data
+@Accessors(chain = true)
+@Schema(description = "验证码信息")
+public class CaptchaVO implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 验证码标识
+     */
+    @Schema(description = "验证码标识")
+    private String uuid;
+
+    /**
+     * 验证码图片（Base64编码，带图片格式：data:image/gif;base64）
+     */
+    @Schema(description = "验证码图片（Base64编码，带图片格式：data:image/gif;base64）")
+    private String img;
+}

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/MailUtils.java

@@ -0,0 +1,244 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.cnadmin.common.util;
+
+import java.io.File;
+import java.nio.charset.StandardCharsets;
+import java.util.Collection;
+import java.util.List;
+
+import javax.mail.MessagingException;
+import javax.mail.internet.MimeMessage;
+
+import lombok.AccessLevel;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.mail.javamail.MimeMessageHelper;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.util.ArrayUtil;
+import cn.hutool.core.util.CharUtil;
+import cn.hutool.core.util.StrUtil;
+import cn.hutool.extra.spring.SpringUtil;
+
+import top.charles7c.cnadmin.common.util.validate.CheckUtils;
+
+/**
+ * 邮件工具类
+ *
+ * @author Charles7c
+ * @since 2023/1/12 23:25
+ */
+@Data
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class MailUtils {
+
+    private static final JavaMailSender MAIL_SENDER = SpringUtil.getBean(JavaMailSender.class);
+
+    /**
+     * 发送文本邮件给单个人
+     *
+     * @param subject
+     *            主题
+     * @param content
+     *            内容
+     * @param to
+     *            收件人
+     * @throws MessagingException
+     *             /
+     */
+    public static void sendText(String to, String subject, String content) throws MessagingException {
+        send(splitAddress(to), null, null, subject, content, false);
+    }
+
+    /**
+     * 发送 HTML 邮件给单个人
+     *
+     * @param subject
+     *            主题
+     * @param content
+     *            内容
+     * @param to
+     *            收件人
+     * @throws MessagingException
+     *             /
+     */
+    public static void sendHtml(String to, String subject, String content) throws MessagingException {
+        send(splitAddress(to), null, null, subject, content, true);
+    }
+
+    /**
+     * 发送 HTML 邮件给单个人
+     *
+     * @param subject
+     *            主题
+     * @param content
+     *            内容
+     * @param to
+     *            收件人
+     * @param files
+     *            附件列表
+     * @throws MessagingException
+     *             /
+     */
+    public static void sendHtml(String to, String subject, String content, File... files) throws MessagingException {
+        send(splitAddress(to), null, null, subject, content, true, files);
+    }
+
+    /**
+     * 发送 HTML 邮件给多个人
+     *
+     * @param subject
+     *            主题
+     * @param content
+     *            内容
+     * @param tos
+     *            收件人列表
+     * @param files
+     *            附件列表
+     * @throws MessagingException
+     *             /
+     */
+    public static void sendHtml(Collection<String> tos, String subject, String content, File... files)
+        throws MessagingException {
+        send(tos, null, null, subject, content, true, files);
+    }
+
+    /**
+     * 发送 HTML 邮件给多个人
+     *
+     * @param subject
+     *            主题
+     * @param content
+     *            内容
+     * @param tos
+     *            收件人列表
+     * @param ccs
+     *            抄送人列表
+     * @param files
+     *            附件列表
+     * @throws MessagingException
+     *             /
+     */
+    public static void sendHtml(Collection<String> tos, Collection<String> ccs, String subject, String content,
+        File... files) throws MessagingException {
+        send(tos, ccs, null, subject, content, true, files);
+    }
+
+    /**
+     * 发送 HTML 邮件给多个人
+     *
+     * @param subject
+     *            主题
+     * @param content
+     *            内容
+     * @param tos
+     *            收件人列表
+     * @param ccs
+     *            抄送人列表
+     * @param bccs
+     *            密送人列表
+     * @param files
+     *            附件列表
+     * @throws MessagingException
+     *             /
+     */
+    public static void sendHtml(Collection<String> tos, Collection<String> ccs, Collection<String> bccs, String subject,
+        String content, File... files) throws MessagingException {
+        send(tos, ccs, bccs, subject, content, true, files);
+    }
+
+    /**
+     * 发送邮件给多个人
+     *
+     * @param tos
+     *            收件人列表
+     * @param ccs
+     *            抄送人列表
+     * @param bccs
+     *            密送人列表
+     * @param subject
+     *            主题
+     * @param content
+     *            内容
+     * @param isHtml
+     *            是否是 HTML
+     * @param files
+     *            附件列表
+     * @throws MessagingException
+     *             /
+     */
+    public static void send(Collection<String> tos, Collection<String> ccs, Collection<String> bccs, String subject,
+        String content, boolean isHtml, File... files) throws MessagingException {
+        CheckUtils.exIfCondition(() -> CollUtil.isEmpty(tos), "请至少指定一名收件人");
+        MimeMessage mimeMessage = MAIL_SENDER.createMimeMessage();
+        MimeMessageHelper messageHelper =
+            new MimeMessageHelper(mimeMessage, true, StandardCharsets.UTF_8.displayName());
+
+        // 设置基本信息
+        messageHelper.setFrom(SpringUtil.getProperty("spring.mail.username"));
+        messageHelper.setSubject(subject);
+        messageHelper.setText(content, isHtml);
+
+        // 设置收信人
+        // 抄送人
+        if (CollUtil.isNotEmpty(ccs)) {
+            messageHelper.setCc(ccs.toArray(new String[0]));
+        }
+        // 密送人
+        if (CollUtil.isNotEmpty(bccs)) {
+            messageHelper.setBcc(bccs.toArray(new String[0]));
+        }
+        // 收件人
+        messageHelper.setTo(tos.toArray(new String[0]));
+
+        // 设置附件
+        if (ArrayUtil.isNotEmpty(files)) {
+            for (File file : files) {
+                messageHelper.addAttachment(file.getName(), file);
+            }
+        }
+
+        // 发送邮件
+        MAIL_SENDER.send(mimeMessage);
+    }
+
+    /**
+     * 将多个联系人转为列表，分隔符为逗号或者分号
+     *
+     * @param addresses
+     *            多个联系人，如果为空返回null
+     * @return 联系人列表
+     */
+    private static List<String> splitAddress(String addresses) {
+        if (StrUtil.isBlank(addresses)) {
+            return null;
+        }
+
+        List<String> result;
+        if (StrUtil.contains(addresses, CharUtil.COMMA)) {
+            result = StrUtil.splitTrim(addresses, CharUtil.COMMA);
+        } else if (StrUtil.contains(addresses, ';')) {
+            result = StrUtil.splitTrim(addresses, ';');
+        } else {
+            result = CollUtil.newArrayList(addresses);
+        }
+        return result;
+    }
+}

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/TemplateUtils.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.cnadmin.common.util;
+
+import java.util.Map;
+
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+
+import cn.hutool.extra.template.Template;
+import cn.hutool.extra.template.TemplateConfig;
+import cn.hutool.extra.template.TemplateEngine;
+import cn.hutool.extra.template.TemplateUtil;
+
+/**
+ * 模板工具类
+ *
+ * @author Charles7c
+ * @since 2023/1/13 20:37
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class TemplateUtils {
+
+    private static final String TEMPLATE_PARENT_PATH = "templates";
+
+    /**
+     * 将模板与绑定参数融合后返回为字符串
+     *
+     * @param bindingMap
+     *            绑定的参数，此Map中的参数会替换模板中的变量
+     * @return 融合后的内容
+     */
+    public static String render(String templatePath, Map<?, ?> bindingMap) {
+        TemplateEngine engine =
+            TemplateUtil.createEngine(new TemplateConfig(TEMPLATE_PARENT_PATH, TemplateConfig.ResourceMode.CLASSPATH));
+        Template template = engine.getTemplate(templatePath);
+        return template.render(bindingMap);
+    }
+}

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/validate/CheckUtils.java

@@ -35,18 +35,6 @@ public class CheckUtils extends Validator {
 
     private static final Class<ServiceException> EXCEPTION_TYPE = ServiceException.class;
 
-    /**
-     * 如果为空，抛出异常
-     *
-     * @param obj
-     *            被检测的对象
-     * @param message
-     *            错误信息
-     */
-    public static void exIfNull(Object obj, String message) {
-        exIfNull(obj, message, EXCEPTION_TYPE);
-    }
-
     /**
      * 如果为空，抛出异常
      *
@@ -59,6 +47,18 @@ public class CheckUtils extends Validator {
         exIfBlank(str, message, EXCEPTION_TYPE);
     }
 
+    /**
+     * 如果不为空，抛出异常
+     *
+     * @param str
+     *            被检测的字符串
+     * @param message
+     *            错误信息
+     */
+    public static void exIfNotBlank(CharSequence str, String message) {
+        exIfNotBlank(str, message, EXCEPTION_TYPE);
+    }
+
     /**
      * 如果相同，抛出异常
      *
@@ -87,6 +87,58 @@ public class CheckUtils extends Validator {
         exIfNotEqual(obj1, obj2, message, EXCEPTION_TYPE);
     }
 
+    /**
+     * 如果相同，抛出异常（不区分大小写）
+     *
+     * @param str1
+     *            要比较的字符串1
+     * @param str2
+     *            要比较的字符串2
+     * @param message
+     *            错误信息
+     */
+    public static void exIfEqualIgnoreCase(CharSequence str1, CharSequence str2, String message) {
+        exIfEqualIgnoreCase(str1, str2, message, EXCEPTION_TYPE);
+    }
+
+    /**
+     * 如果不相同，抛出异常（不区分大小写）
+     *
+     * @param str1
+     *            要比较的字符串1
+     * @param str2
+     *            要比较的字符串2
+     * @param message
+     *            错误信息
+     */
+    public static void exIfNotEqualIgnoreCase(CharSequence str1, CharSequence str2, String message) {
+        exIfNotEqualIgnoreCase(str1, str2, message, EXCEPTION_TYPE);
+    }
+
+    /**
+     * 如果为空，抛出异常
+     *
+     * @param obj
+     *            被检测的对象
+     * @param message
+     *            错误信息
+     */
+    public static void exIfNull(Object obj, String message) {
+        exIfNull(obj, message, EXCEPTION_TYPE);
+    }
+
+    /**
+     * 如果不为空，抛出异常
+     *
+     * @param obj
+     *            被检测的对象
+     * @param message
+     *            错误信息
+     */
+    public static void exIfNotNull(Object obj, String message) {
+        exIfNotNull(obj, message, EXCEPTION_TYPE);
+    }
+
     /**
      * 如果条件成立，抛出异常
      *

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/validate/ValidationUtils.java

@@ -35,18 +35,6 @@ public class ValidationUtils extends Validator {
 
     private static final Class<BadRequestException> EXCEPTION_TYPE = BadRequestException.class;
 
-    /**
-     * 如果为空，抛出异常
-     *
-     * @param obj
-     *            被检测的对象
-     * @param message
-     *            错误信息
-     */
-    public static void exIfNull(Object obj, String message) {
-        exIfNull(obj, message, EXCEPTION_TYPE);
-    }
-
     /**
      * 如果为空，抛出异常
      *
@@ -59,6 +47,18 @@ public class ValidationUtils extends Validator {
         exIfBlank(str, message, EXCEPTION_TYPE);
     }
 
+    /**
+     * 如果不为空，抛出异常
+     *
+     * @param str
+     *            被检测的字符串
+     * @param message
+     *            错误信息
+     */
+    public static void exIfNotBlank(CharSequence str, String message) {
+        exIfNotBlank(str, message, EXCEPTION_TYPE);
+    }
+
     /**
      * 如果相同，抛出异常
      *
@@ -87,6 +87,58 @@ public class ValidationUtils extends Validator {
         exIfNotEqual(obj1, obj2, message, EXCEPTION_TYPE);
     }
 
+    /**
+     * 如果相同，抛出异常（不区分大小写）
+     *
+     * @param str1
+     *            要比较的字符串1
+     * @param str2
+     *            要比较的字符串2
+     * @param message
+     *            错误信息
+     */
+    public static void exIfEqualIgnoreCase(CharSequence str1, CharSequence str2, String message) {
+        exIfEqualIgnoreCase(str1, str2, message, EXCEPTION_TYPE);
+    }
+
+    /**
+     * 如果不相同，抛出异常（不区分大小写）
+     *
+     * @param str1
+     *            要比较的字符串1
+     * @param str2
+     *            要比较的字符串2
+     * @param message
+     *            错误信息
+     */
+    public static void exIfNotEqualIgnoreCase(CharSequence str1, CharSequence str2, String message) {
+        exIfNotEqualIgnoreCase(str1, str2, message, EXCEPTION_TYPE);
+    }
+
+    /**
+     * 如果为空，抛出异常
+     *
+     * @param obj
+     *            被检测的对象
+     * @param message
+     *            错误信息
+     */
+    public static void exIfNull(Object obj, String message) {
+        exIfNull(obj, message, EXCEPTION_TYPE);
+    }
+
+    /**
+     * 如果不为空，抛出异常
+     *
+     * @param obj
+     *            被检测的对象
+     * @param message
+     *            错误信息
+     */
+    public static void exIfNotNull(Object obj, String message) {
+        exIfNotNull(obj, message, EXCEPTION_TYPE);
+    }
+
     /**
      * 如果条件成立，抛出异常
      *

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/validate/Validator.java

@@ -25,6 +25,8 @@ import cn.hutool.core.util.ReflectUtil;
 import cn.hutool.core.util.StrUtil;
 
 /**
+ * 校验器
+ *
  * @author Charles7c
  * @since 2023/1/2 22:12
  */
@@ -32,23 +34,6 @@ import cn.hutool.core.util.StrUtil;
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class Validator {
 
-    /**
-     * 如果为空，抛出异常
-     *
-     * @param obj
-     *            被检测的对象
-     * @param message
-     *            错误信息
-     * @param exceptionType
-     *            异常类型
-     */
-    protected static void exIfNull(Object obj, String message, Class<? extends RuntimeException> exceptionType) {
-        if (obj == null) {
-            log.error(message);
-            throw ReflectUtil.newInstance(exceptionType, message);
-        }
-    }
-
     /**
      * 如果为空，抛出异常
      *
@@ -59,11 +44,23 @@ public class Validator {
      * @param exceptionType
      *            异常类型
      */
-    public static void exIfBlank(CharSequence str, String message, Class<? extends RuntimeException> exceptionType) {
-        if (StrUtil.isBlank(str)) {
-            log.error(message);
-            throw ReflectUtil.newInstance(exceptionType, message);
-        }
+    protected static void exIfBlank(CharSequence str, String message, Class<? extends RuntimeException> exceptionType) {
+        exIfCondition(() -> StrUtil.isBlank(str), message, exceptionType);
+    }
+
+    /**
+     * 如果不为空，抛出异常
+     *
+     * @param str
+     *            被检测的字符串
+     * @param message
+     *            错误信息
+     * @param exceptionType
+     *            异常类型
+     */
+    protected static void exIfNotBlank(CharSequence str, String message,
+        Class<? extends RuntimeException> exceptionType) {
+        exIfCondition(() -> StrUtil.isNotBlank(str), message, exceptionType);
     }
 
     /**
@@ -78,12 +75,9 @@ public class Validator {
      * @param exceptionType
      *            异常类型
      */
-    public static void exIfEqual(Object obj1, Object obj2, String message,
+    protected static void exIfEqual(Object obj1, Object obj2, String message,
         Class<? extends RuntimeException> exceptionType) {
-        if (ObjectUtil.equals(obj1, obj2)) {
-            log.error(message);
-            throw ReflectUtil.newInstance(exceptionType, message);
-        }
+        exIfCondition(() -> ObjectUtil.equal(obj1, obj2), message, exceptionType);
     }
 
     /**
@@ -98,12 +92,71 @@ public class Validator {
      * @param exceptionType
      *            异常类型
      */
-    public static void exIfNotEqual(Object obj1, Object obj2, String message,
+    protected static void exIfNotEqual(Object obj1, Object obj2, String message,
         Class<? extends RuntimeException> exceptionType) {
-        if (ObjectUtil.notEqual(obj1, obj2)) {
-            log.error(message);
-            throw ReflectUtil.newInstance(exceptionType, message);
-        }
+        exIfCondition(() -> ObjectUtil.notEqual(obj1, obj2), message, exceptionType);
+    }
+
+    /**
+     * 如果相同，抛出异常（不区分大小写）
+     *
+     * @param str1
+     *            要比较的字符串1
+     * @param str2
+     *            要比较的字符串2
+     * @param message
+     *            错误信息
+     * @param exceptionType
+     *            异常类型
+     */
+    protected static void exIfEqualIgnoreCase(CharSequence str1, CharSequence str2, String message,
+        Class<? extends RuntimeException> exceptionType) {
+        exIfCondition(() -> StrUtil.equalsIgnoreCase(str1, str2), message, exceptionType);
+    }
+
+    /**
+     * 如果不相同，抛出异常（不区分大小写）
+     *
+     * @param str1
+     *            要比较的字符串1
+     * @param str2
+     *            要比较的字符串2
+     * @param message
+     *            错误信息
+     * @param exceptionType
+     *            异常类型
+     */
+    protected static void exIfNotEqualIgnoreCase(CharSequence str1, CharSequence str2, String message,
+        Class<? extends RuntimeException> exceptionType) {
+        exIfCondition(() -> !StrUtil.equalsIgnoreCase(str1, str2), message, exceptionType);
+    }
+
+    /**
+     * 如果为空，抛出异常
+     *
+     * @param obj
+     *            被检测的对象
+     * @param message
+     *            错误信息
+     * @param exceptionType
+     *            异常类型
+     */
+    protected static void exIfNull(Object obj, String message, Class<? extends RuntimeException> exceptionType) {
+        exIfCondition(() -> obj == null, message, exceptionType);
+    }
+
+    /**
+     * 如果不为空，抛出异常
+     *
+     * @param obj
+     *            被检测的对象
+     * @param message
+     *            错误信息
+     * @param exceptionType
+     *            异常类型
+     */
+    protected static void exIfNotNull(Object obj, String message, Class<? extends RuntimeException> exceptionType) {
+        exIfCondition(() -> obj != null, message, exceptionType);
     }
 
     /**
@@ -116,7 +169,7 @@ public class Validator {
      * @param exceptionType
      *            异常类型
      */
-    public static void exIfCondition(java.util.function.BooleanSupplier conditionSupplier, String message,
+    protected static void exIfCondition(java.util.function.BooleanSupplier conditionSupplier, String message,
         Class<? extends RuntimeException> exceptionType) {
         if (conditionSupplier != null && conditionSupplier.getAsBoolean()) {
             log.error(message);