代码生成支持同步数据库

src/main/java/com/ruoyi/project/tool/gen/controller/GenController.java

@@ -165,12 +165,24 @@ public class GenController extends BaseController
     @PreAuthorize("@ss.hasPermi('tool:gen:code')")
     @Log(title = "代码生成", businessType = BusinessType.GENCODE)
     @GetMapping("/genCode/{tableName}")
-    public AjaxResult genCode(HttpServletResponse response, @PathVariable("tableName") String tableName)
+    public AjaxResult genCode(@PathVariable("tableName") String tableName)
     {
         genTableService.generatorCode(tableName);
         return AjaxResult.success();
     }
 
+    /**
+     * 同步数据库
+     */
+    @PreAuthorize("@ss.hasPermi('tool:gen:edit')")
+    @Log(title = "代码生成", businessType = BusinessType.UPDATE)
+    @GetMapping("/synchDb/{tableName}")
+    public AjaxResult synchDb(@PathVariable("tableName") String tableName)
+    {
+        genTableService.synchDb(tableName);
+        return AjaxResult.success();
+    }
+
     /**
      * 批量生成代码
      */

src/main/java/com/ruoyi/project/tool/gen/mapper/GenTableColumnMapper.java

@@ -17,7 +17,7 @@ public interface GenTableColumnMapper
      * @return 列信息
      */
     public List<GenTableColumn> selectDbTableColumnsByName(String tableName);
-    
+
     /**
      * 查询业务字段列表
      * 
@@ -42,6 +42,14 @@ public interface GenTableColumnMapper
      */
     public int updateGenTableColumn(GenTableColumn genTableColumn);
 
+    /**
+     * 删除业务字段
+     * 
+     * @param genTableColumns 列数据
+     * @return 结果
+     */
+    public int deleteGenTableColumns(List<GenTableColumn> genTableColumns);
+
     /**
      * 批量删除业务字段
      * 

src/main/java/com/ruoyi/project/tool/gen/service/GenTableServiceImpl.java

@@ -7,6 +7,7 @@ import java.io.StringWriter;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 import org.apache.commons.io.IOUtils;
@@ -224,7 +225,6 @@ public class GenTableServiceImpl implements IGenTableService
      * 生成代码（自定义路径）
      * 
      * @param tableName 表名称
-     * @return 数据
      */
     @Override
     public void generatorCode(String tableName)
@@ -265,6 +265,37 @@ public class GenTableServiceImpl implements IGenTableService
         }
     }
 
+    /**
+     * 同步数据库
+     * 
+     * @param tableName 表名称
+     */
+    @Override
+    @Transactional
+    public void synchDb(String tableName)
+    {
+        GenTable table = genTableMapper.selectGenTableByName(tableName);
+        List<GenTableColumn> tableColumns = table.getColumns();
+        List<String> tableColumnNames = tableColumns.stream().map(GenTableColumn::getColumnName).collect(Collectors.toList());
+
+        List<GenTableColumn> dbTableColumns = genTableColumnMapper.selectDbTableColumnsByName(tableName);
+        List<String> dbTableColumnNames = dbTableColumns.stream().map(GenTableColumn::getColumnName).collect(Collectors.toList());
+
+        dbTableColumns.forEach(column -> {
+            if (!tableColumnNames.contains(column.getColumnName()))
+            {
+                GenUtils.initColumnField(column, table);
+                genTableColumnMapper.insertGenTableColumn(column);
+            }
+        });
+
+        List<GenTableColumn> delColumns = tableColumns.stream().filter(column -> !dbTableColumnNames.contains(column.getColumnName())).collect(Collectors.toList());
+        if (StringUtils.isNotEmpty(delColumns))
+        {
+            genTableColumnMapper.deleteGenTableColumns(delColumns);
+        }
+    }
+
     /**
      * 批量生成代码（下载方式）
      * 

src/main/java/com/ruoyi/project/tool/gen/service/IGenTableService.java

@@ -90,6 +90,13 @@ public interface IGenTableService
      */
     public void generatorCode(String tableName);
 
+    /**
+     * 同步数据库
+     * 
+     * @param tableName 表名称
+     */
+    public void synchDb(String tableName);
+
     /**
      * 批量生成代码（下载方式）
      * 

src/main/resources/mybatis/tool/GenTableColumnMapper.xml

@@ -137,4 +137,11 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         </foreach>
     </delete>
     
+    <delete id="deleteGenTableColumns">
+        delete from gen_table_column where column_id in 
+        <foreach collection="list" item="item" open="(" separator="," close=")">
+            #{item.columnId}
+        </foreach>
+    </delete>
+
 </mapper>

src/main/resources/mybatis/tool/GenTableMapper.xml

@@ -202,4 +202,4 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         </foreach>
     </delete>
 
-</mapper> 
+</mapper>