feat: 生成文件名优化;大小写驼峰名转换优化

generator-code/pom.xml

@@ -95,11 +95,19 @@
             <artifactId>fastjson2</artifactId>
         </dependency>
 
+        <!-- 小驼峰 和 大驼峰之间互转 -->
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>33.4.7-jre</version>
+        </dependency>
+
         <dependency>
             <groupId>org.apache.velocity</groupId>
             <artifactId>velocity-engine-core</artifactId>
             <version>2.3</version>
         </dependency>
 
+
     </dependencies>
 </project>

generator-code/src/main/java/cn/bunny/service/impl/VmsServiceImpl.java

@@ -76,6 +76,9 @@ public class VmsServiceImpl implements VmsService {
             // 生成模板
             VmsUtil.commonVms(writer, context, "vms/" + path, dto);
 
+            // 处理 vm 文件名
+            path = VmsUtil.handleVmFilename(path, dto.getClassName());
+
             return GeneratorVo.builder()
                     .code(writer.toString())
                     .comment(tableMetaData.getComment())

generator-code/src/main/java/cn/bunny/utils/ConvertUtil.java

@@ -1,6 +1,12 @@
 package cn.bunny.utils;
 
+import com.google.common.base.CaseFormat;
+import org.assertj.core.util.introspection.CaseFormatUtils;
+
+import java.util.regex.Pattern;
+
 public class ConvertUtil {
+
     /**
      * 将数据库类型转换为Java类型
      */
@@ -9,17 +15,17 @@ public class ConvertUtil {
 
         columnType = columnType.toLowerCase();
         return switch (columnType) {
-            case "varchar" , "char" , "text" , "longtext" , "mediumtext" , "tinytext" -> "String";
-            case "int" , "integer" , "tinyint" , "smallint" -> "Integer";
+            case "varchar", "char", "text", "longtext", "mediumtext", "tinytext" -> "String";
+            case "int", "integer", "tinyint", "smallint" -> "Integer";
             case "bigint" -> "Long";
-            case "decimal" , "numeric" -> "BigDecimal";
+            case "decimal", "numeric" -> "BigDecimal";
             case "float" -> "Float";
             case "double" -> "Double";
-            case "boolean" , "bit" , "tinyint unsigned" -> "Boolean";
-            case "date" , "year" -> "Date";
+            case "boolean", "bit", "tinyint unsigned" -> "Boolean";
+            case "date", "year" -> "Date";
             case "time" -> "Time";
-            case "datetime" , "timestamp" -> "LocalDateTime";
-            case "blob" , "longblob" , "mediumblob" , "tinyblob" -> "byte[]";
+            case "datetime", "timestamp" -> "LocalDateTime";
+            case "blob", "longblob", "mediumblob", "tinyblob" -> "byte[]";
             default -> "Object";
         };
     }
@@ -34,45 +40,35 @@ public class ConvertUtil {
     /**
      * 下划线命名转驼峰命名
      *
-     * @param name               原始名称
+     * @param name               原始名称，传入的值可以是
+     *                           `xxx_xxx` `CaseFormat`
+     *                           `caseFormat`
      * @param firstLetterCapital 首字母是否大写
      */
     public static String convertToCamelCase(String name, boolean firstLetterCapital) {
         if (name == null || name.isEmpty()) return name;
 
-        StringBuilder result = new StringBuilder();
-        String[] parts = name.split("_" );
+        // 首字母不大写
+        if (!firstLetterCapital) return CaseFormatUtils.toCamelCase(name);
 
-        for (int i = 0; i < parts.length; i++) {
-            String part = parts[i];
-            if (part.isEmpty()) {
-                continue;
-            }
-
-            if (i == 0 && !firstLetterCapital) {
-                result.append(part.toLowerCase());
-            } else {
-                result.append(Character.toUpperCase(part.charAt(0)))
-                        .append(part.substring(1).toLowerCase());
-            }
+        // 检查是否全大写带下划线 (UPPER_UNDERSCORE)
+        if (Pattern.matches("^[A-Z]+(_[A-Z]+)*$", name)) {
+            return CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, name);
         }
 
-        return result.toString();
-    }
-
-    /**
-     * 辅助方法：将列名转换为字段名(如user_name -> userName)
-     *
-     * @param columnName 列名称
-     * @return 列名称
-     */
-    public static String convertToFieldName(String columnName) {
-        String[] parts = columnName.split("_" );
-        StringBuilder fieldName = new StringBuilder(parts[0].toLowerCase());
-        for (int i = 1; i < parts.length; i++) {
-            fieldName.append(parts[i].substring(0, 1).toUpperCase())
-                    .append(parts[i].substring(1).toLowerCase());
+        // 检查是否小写带下划线 (LOWER_UNDERSCORE)
+        if (Pattern.matches("^[a-z]+(_[a-z]+)*$", name)) {
+            return CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, name);
         }
-        return fieldName.toString();
+
+        // 检查是否大驼峰 (UpperCamelCase)
+        if (Character.isUpperCase(name.charAt(0)) &&
+                !name.contains("_") &&
+                name.chars().anyMatch(Character::isLowerCase)) {
+            return CaseFormat.UPPER_CAMEL.to(CaseFormat.UPPER_CAMEL, name);
+        }
+
+        // 默认认为是小驼峰 (lowerCamelCase)
+        return CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL, name);
     }
 }

generator-code/src/main/java/cn/bunny/utils/DbInfoUtil.java

@@ -148,7 +148,7 @@ public class DbInfoUtil {
                     // 设置列字段
                     column.setColumnName(columnName);
                     // 列字段转成 下划线 -> 小驼峰
-                    column.setFieldName(ConvertUtil.convertToFieldName(column.getColumnName()));
+                    column.setFieldName(ConvertUtil.convertToCamelCase(column.getColumnName()));
 
                     // 字段类型
                     column.setJdbcType(columnsRs.getString("TYPE_NAME"));
@@ -166,7 +166,6 @@ public class DbInfoUtil {
                         boolean isPrimaryKey = primaryKeyColumns.contains(columnName);
                         column.setIsPrimaryKey(isPrimaryKey);
                     }
-
                     columns.add(column);
                 }
             }

generator-code/src/main/java/cn/bunny/utils/VmsUtil.java

@@ -1,6 +1,7 @@
 package cn.bunny.utils;
 
 import cn.bunny.dao.dto.VmsArgumentDto;
+import com.google.common.base.CaseFormat;
 import org.apache.velocity.Template;
 import org.apache.velocity.VelocityContext;
 import org.apache.velocity.app.Velocity;
@@ -8,10 +9,19 @@ import org.apache.velocity.app.Velocity;
 import java.io.StringWriter;
 import java.text.SimpleDateFormat;
 import java.util.Date;
+import java.util.Map;
 import java.util.concurrent.atomic.AtomicReference;
 
 public class VmsUtil {
 
+    private static final Map<String, String> TYPE_MAPPINGS = Map.of(
+            "controller", "Controller",
+            "service", "Service",
+            "serviceImpl", "ServiceImpl",
+            "mapper", "Mapper",
+            "resourceMapper", "Mapper"
+    );
+
     /**
      * 生成模板
      *
@@ -53,13 +63,52 @@ public class VmsUtil {
         context.put("requestMapping", requestMapping);
 
         // 将类名称转成小驼峰
-        context.put("classLowercaseName", ConvertUtil.convertToCamelCase(replaceTableName.get()));
+        String toCamelCase = ConvertUtil.convertToCamelCase(replaceTableName.get());
+        context.put("classLowercaseName", toCamelCase);
 
         // 将类名称转成大驼峰
-        context.put("classUppercaseName", ConvertUtil.convertToCamelCase(replaceTableName.get(), true));
+        String convertToCamelCase = ConvertUtil.convertToCamelCase(replaceTableName.get(), true);
+        context.put("classUppercaseName", convertToCamelCase);
 
         // Velocity 生成模板
         Template servicePathTemplate = Velocity.getTemplate(templateName, "UTF-8");
         servicePathTemplate.merge(context, writer);
     }
+
+    /**
+     * 处理 vm 文件名
+     *
+     * @param path      文件路径
+     * @param className 类名
+     */
+    public static String handleVmFilename(String path, String className) {
+        String[] splitPaths = path.split("/");
+        int splitPathsSize = splitPaths.length - 1;
+
+        // 大驼峰名称
+        String CamelCase = ConvertUtil.convertToCamelCase(className, true);
+        // 小驼峰名称
+        String camelCase = ConvertUtil.convertToCamelCase(className);
+
+        // 当前文件名
+        String filename = splitPaths[splitPathsSize];
+        filename = filename.replace(".vm", "");
+
+        // 文件名称
+        String name = filename.split("\\.")[0];
+        // 文件扩展名
+        String extension = filename.split("\\.")[1];
+
+        // 判断是否是 Java 或者 xml 文件
+        if (filename.contains("java") || filename.contains("xml")) {
+            filename = CamelCase + TYPE_MAPPINGS.get(name) + "." + extension;
+        }
+
+        if (filename.contains("vue") && !filename.contains("index")) {
+            filename = CaseFormat.LOWER_CAMEL.to(CaseFormat.LOWER_HYPHEN, camelCase) + "-" + name + "." + extension;
+        }
+
+        splitPaths[splitPathsSize] = filename;
+        return String.join("/", splitPaths);
+    }
 }

generator-code/src/test/java/cn/bunny/JDBCTest.java

@@ -84,7 +84,7 @@ public class JDBCTest {
             while (columnsRs.next()) {
                 ColumnMetaData column = new ColumnMetaData();
                 column.setColumnName(columnsRs.getString("COLUMN_NAME"));
-                column.setFieldName(ConvertUtil.convertToFieldName(column.getColumnName()));
+                column.setFieldName(ConvertUtil.convertToCamelCase(column.getColumnName()));
                 column.setJdbcType(columnsRs.getString("TYPE_NAME"));
                 column.setJavaType(ConvertUtil.convertToJavaType(column.getJdbcType()));
                 column.setComment(columnsRs.getString("REMARKS"));

generator-code/src/test/java/cn/bunny/StringFormatTest.java

@@ -0,0 +1,36 @@
+package cn.bunny;
+
+import cn.bunny.utils.ConvertUtil;
+import org.apache.commons.lang3.StringUtils;
+import org.assertj.core.util.introspection.CaseFormatUtils;
+import org.junit.jupiter.api.Test;
+
+public class StringFormatTest {
+
+    @Test
+    void test1() {
+        System.out.println(CaseFormatUtils.toCamelCase("user_login"));
+        System.out.println(CaseFormatUtils.toCamelCase("userLogin"));
+        System.out.println(CaseFormatUtils.toCamelCase("UserLogin"));
+
+        System.out.println("--------------------------------");
+
+        System.out.println(StringUtils.lowerCase("user_login"));
+        System.out.println(StringUtils.lowerCase("userLogin"));
+        System.out.println(StringUtils.lowerCase("UserLogin"));
+
+        System.out.println("--------------------------------");
+
+        System.out.println(StringUtils.upperCase("user_login"));
+        System.out.println(StringUtils.upperCase("userLogin"));
+        System.out.println(StringUtils.upperCase("UserLogin"));
+    }
+
+    @Test
+    void test2() {
+        System.out.println(ConvertUtil.convertToCamelCase("user_login_A"));
+        System.out.println(ConvertUtil.convertToCamelCase("User_Login_A"));
+        System.out.println(ConvertUtil.convertToCamelCase("userLoginA"));
+        System.out.println(ConvertUtil.convertToCamelCase("UserLoginA"));
+    }
+}