修改bug,生成文件没有错误，但是格式还有问题

db2java-core/src/main/java/com/yexuejc/db2java/core/generator/impl/MybatisPlusCodeGenerator.java

@@ -307,25 +307,10 @@ public class MybatisPlusCodeGenerator implements CodeGenerator {
      * 添加关联字段信息
      */
     private void addRelationFields(Map<String, Object> dataModel, TableInfo tableInfo) {
+        // 不再添加固定的关联关系字段，这些应该根据实际表结构动态生成
         Map<String, Object> tableMap = (Map<String, Object>) dataModel.get("table");
-
+        tableMap.put("oneToOneFields", new ArrayList<>());
-        // 添加一对一关联字段
+        tableMap.put("oneToManyFields", new ArrayList<>());
-        List<Map<String, Object>> oneToOneFields = new ArrayList<>();
-        Map<String, Object> userDetailsField = new HashMap<>();
-        userDetailsField.put("propertyName", "userDetails");
-        userDetailsField.put("propertyType", "UserDetails");
-        userDetailsField.put("comment", "用户详情(一对一)");
-        oneToOneFields.add(userDetailsField);
-        tableMap.put("oneToOneFields", oneToOneFields);
-
-        // 添加一对多关联字段
-        List<Map<String, Object>> oneToManyFields = new ArrayList<>();
-        Map<String, Object> ordersField = new HashMap<>();
-        ordersField.put("propertyName", "orders");
-        ordersField.put("propertyType", "UserOrder");
-        ordersField.put("comment", "用户订单(一对多)");
-        oneToManyFields.add(ordersField);
-        tableMap.put("oneToManyFields", oneToManyFields);
     }
 
     /**
@@ -596,7 +581,13 @@ public class MybatisPlusCodeGenerator implements CodeGenerator {
      */
     private void writeFileToDisK(GeneratedFile generatedFile, GenerationConfig config) {
         try {
-            FileUtils.writeFile(generatedFile.getFilePath(), generatedFile.getContent(), config.isOverride());
+            // 格式化Java代码内容
+            String content = generatedFile.getContent();
+            if (generatedFile.getFilePath().endsWith(".java")) {
+                content = FileUtils.formatJavaCode(content);
+            }
+            
+            FileUtils.writeFile(generatedFile.getFilePath(), content, config.isOverride());
             generatedFile.setNewFile(true);
             generatedFile.setFileSize(FileUtils.getFileSize(generatedFile.getFilePath()));
         } catch (Exception e) {

db2java-core/src/main/java/com/yexuejc/db2java/core/template/impl/FreemarkerTemplateProcessor.java

@@ -220,34 +220,7 @@ public class FreemarkerTemplateProcessor implements TemplateEngineProcessor {
                 code.append("    private ").append(propertyType).append(" ").append(propertyName).append(";\n\n");
             }
             
-            // 添加关联关系字段（仅对特定实体类）
+            // 不再添加固定的关联关系字段，这些应该根据实际表结构动态生成
-            if ("User".equals(entity)) {
-                code.append("    /**\n     * 用户详情(一对一)\n     */\n");
-                if (entityJpaModel != null && entityJpaModel) {
-                    code.append("    @OneToOne(mappedBy = \"user\", cascade = CascadeType.ALL, fetch = FetchType.LAZY)\n");
-                }
-                code.append("    private UserDetails userDetails;\n\n");
-                
-                code.append("    /**\n     * 用户订单(一对多)\n     */\n");
-                if (entityJpaModel != null && entityJpaModel) {
-                    code.append("    @OneToMany(mappedBy = \"user\", cascade = CascadeType.ALL, fetch = FetchType.LAZY)\n");
-                }
-                code.append("    private List<UserOrder> orders;\n\n");
-            } else if ("UserDetails".equals(entity)) {
-                code.append("    /**\n     * 关联用户(一对一)\n     */\n");
-                if (entityJpaModel != null && entityJpaModel) {
-                    code.append("    @OneToOne\n");
-                    code.append("    @JoinColumn(name = \"user_id\")\n");
-                }
-                code.append("    private User user;\n\n");
-            } else if ("UserOrder".equals(entity)) {
-                code.append("    /**\n     * 关联用户(多对一)\n     */\n");
-                if (entityJpaModel != null && entityJpaModel) {
-                    code.append("    @ManyToOne\n");
-                    code.append("    @JoinColumn(name = \"user_id\")\n");
-                }
-                code.append("    private User user;\n\n");
-            }
         } else {
             // 默认字段定义（为了兼容性）
             code.append("    /**\n     * 主键ID\n     */\n");
@@ -428,7 +401,7 @@ public class FreemarkerTemplateProcessor implements TemplateEngineProcessor {
         
         // 注解和接口声明
         code.append("@Mapper\n");
-        code.append("public interface ").append(entity).append("Mapper extends BaseMapper<").append(entity).append("> {\n\n");
+        code.append("public interface ").append(entity).append("Mapper extends BaseMapper<").append(entity).append("> {\n");
         code.append("}\n");
         
         return code.toString();

db2java-core/src/main/java/com/yexuejc/db2java/core/utils/FileUtils.java

@@ -6,79 +6,98 @@ import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.regex.Pattern;
 
 /**
  * 文件工具类
  *
  * @author yexuejc
- * @since 2025-01
+ * @since 2024/10/17
  */
 public class FileUtils {
 
     /**
-     * 写文件到磁盘
+     * 写文件
      *
      * @param filePath 文件路径
-     * @param content 文件内容
+     * @param content  文件内容
-     * @param override 是否覆盖已存在文件
+     * @param override 是否覆盖
-     * @return 是否写入成功
      * @throws IOException IO异常
      */
-    public static boolean writeFile(String filePath, String content, boolean override) throws IOException {
+    public static void writeFile(String filePath, String content, boolean override) throws IOException {
-        File file = new File(filePath);
+        Path path = Paths.get(filePath);
+        File file = path.toFile();
 
-        // 检查文件是否存在
+        if (!file.getParentFile().exists()) {
-        if (file.exists() && !override) {
+            file.getParentFile().mkdirs();
-            System.out.println("文件已存在，跳过: " + filePath);
-            return false;
         }
 
-        // 创建父目录
+        if (!file.exists() || override) {
-        createDirectories(file.getParent());
+            try (FileWriter writer = new FileWriter(file)) {
-        
+                writer.write(content);
-        // 写入文件
-        try (FileWriter writer = new FileWriter(file, false)) {
-            writer.write(content);
-            writer.flush();
-            System.out.println("成功写入文件: " + filePath);
-            return true;
-        }
-    }
-    
-    /**
-     * 创建目录
-     * 
-     * @param dirPath 目录路径
-     * @throws IOException IO异常
-     */
-    public static void createDirectories(String dirPath) throws IOException {
-        if (dirPath != null && !dirPath.trim().isEmpty()) {
-            Path path = Paths.get(dirPath);
-            if (!Files.exists(path)) {
-                Files.createDirectories(path);
-                System.out.println("创建目录: " + dirPath);
             }
         }
     }
 
-    /**
-     * 检查文件是否存在
-     * 
-     * @param filePath 文件路径
-     * @return 是否存在
-     */
-    public static boolean fileExists(String filePath) {
-        return new File(filePath).exists();
-    }
-    
     /**
      * 获取文件大小
      *
      * @param filePath 文件路径
-     * @return 文件大小（字节）
+     * @return 文件大小
      */
     public static long getFileSize(String filePath) {
-        File file = new File(filePath);
+        Path path = Paths.get(filePath);
-        return file.exists() ? file.length() : 0;
+        try {
+            return Files.size(path);
+        } catch (IOException e) {
+            return -1;
+        }
+    }
+
+    /**
+     * 格式化Java代码内容
+     * 
+     * @param content 代码内容
+     * @return 格式化后的代码
+     */
+    public static String formatJavaCode(String content) {
+        // 使用正则表达式替换多个连续的空行为两个空行（保留适当的间距）
+        // 但要保留类声明前、方法前等重要位置的空行
+        StringBuilder result = new StringBuilder();
+        String[] lines = content.split("\\n");
+        boolean lastLineEmpty = false;
+        boolean inClassDeclaration = false;
+        
+        for (String line : lines) {
+            boolean currentLineEmpty = line.trim().isEmpty();
+            
+            // 检查是否进入类声明
+            if (line.contains(" class ") || line.contains(" interface ") || line.contains(" enum ")) {
+                inClassDeclaration = true;
+            }
+            
+            // 保留类声明前的空行
+            if (inClassDeclaration && line.contains("{") && lastLineEmpty) {
+                result.append("\n"); // 保留类声明前的空行
+            }
+            
+            // 对于普通代码，最多保留一个空行
+            if (currentLineEmpty && lastLineEmpty) {
+                continue;
+            }
+            
+            // 特殊处理：方法之间保留一个空行
+            if (line.startsWith("    public") || line.startsWith("    private") || 
+                line.startsWith("    protected") || line.startsWith("    @")) {
+                if (result.length() > 0 && !lastLineEmpty) {
+                    result.append("\n");
+                }
+            }
+            
+            result.append(line).append("\n");
+            lastLineEmpty = currentLineEmpty;
+        }
+        
+        return result.toString();
     }
 }

db2java-core/src/main/resources/templates/mapper.java.ftl

@@ -1,8 +1,15 @@
 package ${package.Mapper};
 
 <#list importMapperFrameworkPackages as pkg>
+    <#if pkg?contains(".")>
 import ${pkg};
+    <#else>
+import ${superMapperClass};
+    </#if>
 </#list>
+<#if package.Entity??>
+import ${package.Entity}.${entity};
+</#if>
 <#if importMapperJavaPackages?size !=0>
 
   <#list importMapperJavaPackages as pkg>
@@ -22,9 +29,9 @@ import ${pkg};
 @${mapperAnnotationClass.simpleName}
 </#if>
 <#if kotlin>
-interface ${table.mapperName} : ${superMapperClass}<${entity}> {
+interface ${table.mapperName} : ${superMapperClass?substring(superMapperClass?last_index_of(".") + 1)}<${entity}> {
 <#else>
-public interface ${table.mapperName} extends ${superMapperClass}<${entity}> {
+public interface ${table.mapperName} extends ${superMapperClass?substring(superMapperClass?last_index_of(".") + 1)}<${entity}> {
 </#if>
 
 <#list mapperMethodList as m>

db2java-core/src/main/resources/templates/service.java.ftl

@@ -1,7 +1,7 @@
 package ${package.Service};
 
 import ${package.Entity}.${entity};
-import ${superServiceClassPackage};
+import ${superServiceClass};
 
 /**
  * <p>
@@ -12,9 +12,9 @@ import ${superServiceClassPackage};
  * @since ${date}
  */
 <#if kotlin>
-interface ${table.serviceName} : ${superServiceClass}<${entity}>
+interface ${table.serviceName} : ${superServiceClass?substring(superServiceClass?last_index_of(".") + 1)}<${entity}>
 <#else>
-public interface ${table.serviceName} extends ${superServiceClass}<${entity}> {
+public interface ${table.serviceName} extends ${superServiceClass?substring(superServiceClass?last_index_of(".") + 1)}<${entity}> {
 
 }
 </#if>

db2java-core/src/main/resources/templates/serviceImpl.java.ftl

@@ -5,7 +5,7 @@ import ${package.Mapper}.${table.mapperName};
 <#if generateService>
 import ${package.Service}.${table.serviceName};
 </#if>
-import ${superServiceImplClassPackage};
+import ${superServiceImplClass};
 import org.springframework.stereotype.Service;
 
 /**