优化：基于阿里巴巴 Java 开发手册(黄山版)优化常量

1.编程规约>常量定义>第1条：
【强制】不允许任何魔法值（即未经预先定义的常量）直接出现在代码中。

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/base/BaseController.java

@@ -35,6 +35,7 @@ import cn.hutool.core.lang.tree.Tree;
 import cn.hutool.core.util.StrUtil;
 
 import top.charles7c.cnadmin.common.annotation.CrudRequestMapping;
+import top.charles7c.cnadmin.common.constant.StringConsts;
 import top.charles7c.cnadmin.common.model.query.PageQuery;
 import top.charles7c.cnadmin.common.model.query.SortQuery;
 import top.charles7c.cnadmin.common.model.vo.PageDataVO;
@@ -208,7 +209,7 @@ public abstract class BaseController<S extends BaseService<V, D, Q, C>, V, D, Q,
     private void checkPermission(String subPermission) {
         CrudRequestMapping crudRequestMapping = this.getClass().getDeclaredAnnotation(CrudRequestMapping.class);
         String path = crudRequestMapping.value();
-        String permissionPrefix = String.join(":", StrUtil.splitTrim(path, "/"));
+        String permissionPrefix = String.join(StringConsts.COLON, StrUtil.splitTrim(path, StringConsts.SLASH));
         StpUtil.checkPermission(String.format("%s:%s", permissionPrefix, subPermission));
     }
 }

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/easyexcel/ExcelBaseEnumConverter.java

@@ -28,6 +28,7 @@ import cn.hutool.core.util.ClassUtil;
 import cn.hutool.core.util.ObjectUtil;
 
 import top.charles7c.cnadmin.common.base.BaseEnum;
+import top.charles7c.cnadmin.common.constant.StringConsts;
 
 /**
  * Easy Excel 枚举基类转换器
@@ -63,7 +64,7 @@ public class ExcelBaseEnumConverter implements Converter<BaseEnum<Integer, Strin
     public WriteCellData<String> convertToExcelData(BaseEnum<Integer, String> value,
         ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) {
         if (ObjectUtil.isNull(value)) {
-            return new WriteCellData<>("");
+            return new WriteCellData<>(StringConsts.EMPTY);
         }
         return new WriteCellData<>(value.getDescription());
     }

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/jackson/JacksonConfiguration.java

@@ -43,6 +43,7 @@ import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
 import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
 
 import top.charles7c.cnadmin.common.base.BaseEnum;
+import top.charles7c.cnadmin.common.constant.StringConsts;
 
 /**
  * Jackson 配置
@@ -59,10 +60,6 @@ public class JacksonConfiguration {
      */
     @Bean
     public Jackson2ObjectMapperBuilderCustomizer customizer() {
-        String dateTimeFormatPattern = "yyyy-MM-dd HH:mm:ss";
-        String dateFormatPattern = "yyyy-MM-dd";
-        String timeFormatPattern = "HH:mm:ss";
-
         return builder -> {
             // 针对数值类型：Long、BigInteger、BigDecimal 的序列化和反序列化
             JavaTimeModule javaTimeModule = new JavaTimeModule();
@@ -72,15 +69,15 @@ public class JacksonConfiguration {
             javaTimeModule.addSerializer(BigDecimal.class, ToStringSerializer.instance);
 
             // 针对时间类型：LocalDateTime、LocalDate、LocalTime 的序列化和反序列化
-            DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(dateTimeFormatPattern);
+            DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(StringConsts.NORM_DATE_TIME_PATTERN);
             javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(dateTimeFormatter));
             javaTimeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(dateTimeFormatter));
 
-            DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern(dateFormatPattern);
+            DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern(StringConsts.NORM_DATE_PATTERN);
             javaTimeModule.addSerializer(LocalDate.class, new LocalDateSerializer(dateFormatter));
             javaTimeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer(dateFormatter));
 
-            DateTimeFormatter timeFormatter = DateTimeFormatter.ofPattern(timeFormatPattern);
+            DateTimeFormatter timeFormatter = DateTimeFormatter.ofPattern(StringConsts.NORM_TIME_PATTERN);
             javaTimeModule.addSerializer(LocalTime.class, new LocalTimeSerializer(timeFormatter));
             javaTimeModule.addDeserializer(LocalTime.class, new LocalTimeDeserializer(timeFormatter));
             builder.modules(javaTimeModule);

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/constant/StringConsts.java

@@ -19,16 +19,16 @@ package top.charles7c.cnadmin.common.constant;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 
-import cn.hutool.core.text.CharPool;
+import cn.hutool.core.text.StrPool;
 
 /**
- * 字符相关常量
+ * 字符串相关常量
  *
  * @author Charles7c
  * @since 2023/2/10 20:14
  */
 @NoArgsConstructor(access = AccessLevel.PRIVATE)
-public class CharConsts implements CharPool {
+public class StringConsts implements StrPool {
 
     /**
      * 分号
@@ -39,4 +39,29 @@ public class CharConsts implements CharPool {
      * 空字符串
      */
     public static final String EMPTY = "";
+
+    /**
+     * 标准日期时间格式
+     */
+    public static final String NORM_DATE_TIME_PATTERN = "yyyy-MM-dd HH:mm:ss";
+
+    /**
+     * 标准日期时间格式（紧凑）
+     */
+    public static final String PURE_DATE_TIME_PATTERN = "yyyyMMddHHmmss";
+
+    /**
+     * 标准日期时间格式（紧凑，带毫秒）
+     */
+    public static final String PURE_DATE_TIME_MS_PATTERN = "yyyyMMddHHmmssSSS";
+
+    /**
+     * 标准日期格式
+     */
+    public static final String NORM_DATE_PATTERN = "yyyy-MM-dd";
+
+    /**
+     * 标准时间格式
+     */
+    public static final String NORM_TIME_PATTERN = "HH:mm:ss";
 }

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/constant/SysConsts.java

@@ -42,4 +42,14 @@ public class SysConsts {
      * 默认密码
      */
     public static final String DEFAULT_PASSWORD = "123456";
+
+    /**
+     * 登录 URI
+     */
+    public static final String LOGIN_URI = "/auth/login";
+
+    /**
+     * 退出登录 URI
+     */
+    public static final String LOGOUT_URI = "/auth/logout";
 }

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/model/query/SortQuery.java

@@ -30,7 +30,7 @@ import org.springframework.data.domain.Sort;
 import cn.hutool.core.util.ArrayUtil;
 import cn.hutool.core.util.StrUtil;
 
-import top.charles7c.cnadmin.common.constant.CharConsts;
+import top.charles7c.cnadmin.common.constant.StringConsts;
 
 /**
  * 排序查询条件
@@ -62,10 +62,10 @@ public class SortQuery implements Serializable {
         }
 
         List<Sort.Order> orders = new ArrayList<>(sort.length);
-        if (StrUtil.contains(sort[0], CharConsts.COMMA)) {
+        if (StrUtil.contains(sort[0], StringConsts.COMMA)) {
             // e.g "sort=published,desc&sort=title,asc"
             for (String s : sort) {
-                List<String> sortList = StrUtil.splitTrim(s, CharConsts.COMMA);
+                List<String> sortList = StrUtil.splitTrim(s, StringConsts.COMMA);
                 Sort.Order order =
                     new Sort.Order(Sort.Direction.valueOf(sortList.get(1).toUpperCase()), sortList.get(0));
                 orders.add(order);

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

@@ -33,6 +33,7 @@ import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.util.URLUtil;
 
 import top.charles7c.cnadmin.common.config.easyexcel.ExcelBigNumberConverter;
+import top.charles7c.cnadmin.common.constant.StringConsts;
 import top.charles7c.cnadmin.common.exception.ServiceException;
 
 /**
@@ -78,7 +79,8 @@ public class ExcelUtils {
     public static <V> void export(List<V> list, String fileName, String sheetName, Class<V> clazz,
         HttpServletResponse response) {
         try {
-            fileName = String.format("%s_%s.xlsx", fileName, DateUtil.format(new Date(), "yyyyMMddHHmmss"));
+            fileName =
+                String.format("%s_%s.xlsx", fileName, DateUtil.format(new Date(), StringConsts.PURE_DATE_TIME_PATTERN));
             fileName = URLUtil.encode(fileName);
             response.setHeader("Content-disposition", "attachment;filename=" + fileName);
             response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8");

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

@@ -29,6 +29,8 @@ import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.io.file.FileNameUtil;
 import cn.hutool.core.util.IdUtil;
 
+import top.charles7c.cnadmin.common.constant.StringConsts;
+
 /**
  * 文件工具类
  *
@@ -57,7 +59,7 @@ public class FileUtils {
         String filename;
         if (isKeepOriginalFilename) {
             filename = String.format("%s-%s.%s", FileNameUtil.getPrefix(originalFilename),
-                DateUtil.format(LocalDateTime.now(), "yyyyMMddHHmmssS"), extensionName);
+                DateUtil.format(LocalDateTime.now(), StringConsts.PURE_DATE_TIME_MS_PATTERN), extensionName);
         } else {
             filename = String.format("%s.%s", IdUtil.fastSimpleUUID(), extensionName);
         }

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

@@ -37,7 +37,7 @@ import cn.hutool.core.util.ArrayUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.extra.spring.SpringUtil;
 
-import top.charles7c.cnadmin.common.constant.CharConsts;
+import top.charles7c.cnadmin.common.constant.StringConsts;
 import top.charles7c.cnadmin.common.util.validate.CheckUtils;
 
 /**
@@ -233,10 +233,10 @@ public class MailUtils {
         }
 
         List<String> result;
-        if (StrUtil.contains(addresses, CharConsts.COMMA)) {
+        if (StrUtil.contains(addresses, StringConsts.COMMA)) {
-            result = StrUtil.splitTrim(addresses, CharConsts.COMMA);
+            result = StrUtil.splitTrim(addresses, StringConsts.COMMA);
-        } else if (StrUtil.contains(addresses, CharConsts.SEMICOLON)) {
+        } else if (StrUtil.contains(addresses, StringConsts.SEMICOLON)) {
-            result = StrUtil.splitTrim(addresses, CharConsts.SEMICOLON);
+            result = StrUtil.splitTrim(addresses, StringConsts.SEMICOLON);
         } else {
             result = CollUtil.newArrayList(addresses);
         }

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

@@ -26,7 +26,7 @@ import lombok.NoArgsConstructor;
 
 import cn.hutool.core.collection.CollUtil;
 
-import top.charles7c.cnadmin.common.constant.CharConsts;
+import top.charles7c.cnadmin.common.constant.StringConsts;
 
 /**
  * Stream 工具类
@@ -52,7 +52,7 @@ public class StreamUtils {
      */
     public static <E> String join(Collection<E> collection, Function<E, String> function, CharSequence delimiter) {
         if (CollUtil.isEmpty(collection)) {
-            return CharConsts.EMPTY;
+            return StringConsts.EMPTY;
         }
         return collection.stream().map(function).filter(Objects::nonNull).collect(Collectors.joining(delimiter));
     }

continew-admin-monitor/src/main/java/top/charles7c/cnadmin/monitor/service/impl/LogServiceImpl.java

@@ -33,6 +33,7 @@ import com.baomidou.mybatisplus.core.metadata.IPage;
 import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.util.StrUtil;
 
+import top.charles7c.cnadmin.common.constant.SysConsts;
 import top.charles7c.cnadmin.common.model.query.PageQuery;
 import top.charles7c.cnadmin.common.model.vo.PageDataVO;
 import top.charles7c.cnadmin.common.service.CommonUserService;
@@ -95,8 +96,8 @@ public class LogServiceImpl implements LogService {
     @Override
     public PageDataVO<LoginLogVO> page(LoginLogQuery query, PageQuery pageQuery) {
         QueryWrapper<LogDO> queryWrapper = QueryHelper.build(query);
-        queryWrapper.lambda()
+        queryWrapper.lambda().and(qw -> qw.like(LogDO::getRequestUrl, SysConsts.LOGIN_URI).or()
-            .and(qw -> qw.like(LogDO::getRequestUrl, "/auth/login").or().like(LogDO::getRequestUrl, "/auth/logout"));
+            .like(LogDO::getRequestUrl, SysConsts.LOGOUT_URI));
 
         // 限定查询信息
         String[] fieldsName = ReflectUtils.getNonStaticFieldsName(LoginLogVO.class);