新增部分功能

cloud-common-plugin/src/main/java/com/cm/common/plugin/controller/apis/database/table/TableController.java

@@ -62,6 +62,16 @@ public class TableController extends AbstractController {
         return tableService.saveTableColumn(tableName, tableColumnVO);
     }
 
+    @ApiOperation(value = "删列", notes = "删列接口")
+    @ApiImplicitParams({
+            @ApiImplicitParam(name = "tableName", value = "表名", paramType = "path"),
+            @ApiImplicitParam(name = "columnName", value = "列名", paramType = "path"),
+    })
+    @DeleteMapping("removetablecolumn/{tableName}/{columnName}")
+    public SuccessResult removeTableColumn(@PathVariable("tableName") String tableName, @PathVariable("columnName") String columnName) {
+        return tableService.removeTableColumn(tableName, columnName);
+    }
+
     @ApiOperation(value = "修改列", notes = "修改列")
     @ApiResponses({@ApiResponse(code = 400, message = "请求失败", response = ErrorResult.class)})
     @PutMapping("updatetablecolumn/{tableName}")

cloud-common-plugin/src/main/java/com/cm/common/plugin/dao/database/table/ITableDao.java

@@ -50,6 +50,16 @@ public interface ITableDao {
      */
     void saveTableColumn(Connection connection, String databaseName, String tableName, TableColumnVO tableColumnVO);
 
+    /**
+     * 删列
+     *
+     * @param connection
+     * @param databaseName
+     * @param tableName
+     * @param columnName
+     */
+    void removeTableColumn(Connection connection, String databaseName, String tableName, String columnName);
+
     /**
      * 修改列
      *

cloud-common-plugin/src/main/java/com/cm/common/plugin/dao/database/table/impl/TableDaoImpl.java

@@ -90,6 +90,20 @@ public class TableDaoImpl implements ITableDao {
         }
     }
 
+    @Override
+    public void removeTableColumn(Connection connection, String databaseName, String tableName, String columnName) {
+        try {
+            connection.setAutoCommit(true);
+            StringBuilder sqlSB = new StringBuilder(String.format("ALTER TABLE `%s`.`%s` DROP COLUMN %s", databaseName, tableName, WStringUtil.lowerUpper2UnderLine(columnName)));
+            LOG.debug("sql: {}", sqlSB.toString());
+            PreparedStatement preparedStatement = connection.prepareStatement(sqlSB.toString());
+            preparedStatement.execute();
+        } catch (SQLException e) {
+            LOG.error(e.getMessage(), e);
+            throw new SaveException("删除列失败");
+        }
+    }
+
     @Override
     public void updateTableColumn(Connection connection, String databaseName, String tableName, TableOldColumnVO tableOldColumnVO) {
         try {

cloud-common-plugin/src/main/java/com/cm/common/plugin/service/database/table/ITableService.java

@@ -55,6 +55,16 @@ public interface ITableService {
      */
     SuccessResult saveTableColumn(String tableName, TableColumnVO tableColumnVO) throws SaveException;
 
+    /**
+     * 删列
+     *
+     * @param tableName
+     * @param columnName
+     * @return
+     * @throws RemoveException
+     */
+    SuccessResult removeTableColumn(String tableName, String columnName) throws RemoveException;
+
     /**
      * 修改列
      *

cloud-common-plugin/src/main/java/com/cm/common/plugin/service/database/table/impl/TableServiceImpl.java

@@ -66,6 +66,14 @@ public class TableServiceImpl extends AbstractService implements ITableService {
         return new SuccessResult();
     }
 
+    @Override
+    public SuccessResult removeTableColumn(String tableName, String columnName) throws RemoveException {
+        Connection connection = getConnectionFromSession();
+        String databaseName = getHttpSession().getAttribute(IDatabaseService.DATABASE_NAME).toString();
+        tableDao.removeTableColumn(connection, databaseName, tableName, columnName);
+        return new SuccessResult();
+    }
+
     @Override
     public SuccessResult updateTableColumn(String tableName, TableOldColumnVO tableOldColumnVO) throws UpdateException {
         Connection connection = getConnectionFromSession();

cloud-common/src/main/java/com/cm/common/base/AbstractService.java

@@ -14,6 +14,7 @@ import org.springframework.stereotype.Component;
 import org.springframework.util.StringUtils;
 
 import javax.servlet.http.HttpSession;
+import java.util.HashMap;
 import java.util.Map;
 
 /**
@@ -142,4 +143,13 @@ public abstract class AbstractService {
     protected HttpSession getHttpSession() {
         return httpSession;
     }
+
+    /**
+     * 获取HashMap
+     *
+     * @return
+     */
+    protected Map<String, Object> getHashMap(int initSize) {
+        return new HashMap<>(initSize);
+    }
 }

cloud-common/src/main/java/com/cm/common/constants/ISystemConstant.java

@@ -68,10 +68,21 @@ public interface ISystemConstant {
      * app的token标识前缀
      */
     String APP_TOKEN_VERIFY = "CM_Token_";
-
     /**
      * 验证码
      */
     String VERIFICATION_CODE = "verificationCode";
+    /**
+     * 树根节点ID值
+     */
+    String TREE_BASE_ROOT_ID_VALUE = "0";
+    /**
+     * 参数parentId
+     */
+    String PARAMS_PARENT_ID = "parentId";
+    /**
+     * 参数id
+     */
+    String PARAMS_ID = "id";
 
 }

cloud-common/src/main/java/com/cm/common/pojo/ListPage.java

@@ -1,5 +1,8 @@
 package com.cm.common.pojo;
 
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+
 import java.util.Map;
 
 /**