update 重构代码生成 多数据库sql加载 使用xml特性动态切换sql

疯狂的狮子li

2022-03-14 7f1356a447d290c186fe047af557e050497e39e4

 ruoyi-generator/src/main/java/com/ruoyi/generator/service/GenTableServiceImpl.java

@@ -2,12 +2,15 @@

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.io.IoUtil;
import com.baomidou.mybatisplus.core.conditions.Wrapper;
import cn.hutool.core.lang.Dict;
import cn.hutool.core.util.ObjectUtil;
import com.baomidou.dynamic.datasource.annotation.DS;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.constant.GenConstants;
import com.ruoyi.common.core.domain.PageQuery;
import com.ruoyi.common.core.page.TableDataInfo;
import com.ruoyi.common.exception.ServiceException;
@@ -29,6 +32,8 @@
import org.apache.velocity.app.Velocity;
import org.springframework.stereotype.Service;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.StringWriter;
import java.nio.charset.StandardCharsets;
@@ -43,10 +48,11 @@
 *
 * @author Lion Li
 */
@DS("#header.datasource")
@Slf4j
@RequiredArgsConstructor
@Service
public class GenTableServiceImpl extends BaseGenTableServiceImpl {
public class GenTableServiceImpl implements IGenTableService {

    private final GenTableMapper baseMapper;
    private final GenTableColumnMapper genTableColumnMapper;
@@ -107,7 +113,7 @@

    @Override
    public TableDataInfo<GenTable> selectPageDbTableList(GenTable genTable, PageQuery pageQuery) {
        Page<GenTable> page = baseMapper.selectPageDbTableList(pageQuery.build(), this.buildDbTableQueryWrapper(genTable));
        Page<GenTable> page = baseMapper.selectPageDbTableList(pageQuery.build(), genTable);
        return TableDataInfo.build(page);
    }

@@ -119,22 +125,7 @@
     */
    @Override
    public List<GenTable> selectDbTableList(GenTable genTable) {
        return baseMapper.selectDbTableList(this.buildDbTableQueryWrapper(genTable));
    }

    private Wrapper<Object> buildDbTableQueryWrapper(GenTable genTable) {
        Map<String, Object> params = genTable.getParams();
        QueryWrapper<Object> wrapper = Wrappers.query();
        wrapper.apply("table_schema = (select database())")
            .notLike("table_name", "xxl_job_")
            .notLike("table_name", "gen_")
            .notInSql("table_name", "select table_name from gen_table")
            .like(StringUtils.isNotBlank(genTable.getTableName()), "lower(table_name)", StringUtils.lowerCase(genTable.getTableName()))
            .like(StringUtils.isNotBlank(genTable.getTableComment()), "lower(table_comment)", StringUtils.lowerCase(genTable.getTableComment()))
            .between(params.get("beginTime") != null && params.get("endTime") != null,
                "create_time", params.get("beginTime"), params.get("endTime"))
            .orderByDesc("create_time");
        return wrapper;
        return baseMapper.selectDbTableList(genTable);
    }

    /**
@@ -252,6 +243,21 @@
    }

    /**
     * 生成代码（下载方式）
     *
     * @param tableName 表名称
     * @return 数据
     */
    @Override
    public byte[] downloadCode(String tableName) {
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        ZipOutputStream zip = new ZipOutputStream(outputStream);
        generatorCode(tableName, zip);
        IoUtil.close(zip);
        return outputStream.toByteArray();
    }

    /**
     * 生成代码（自定义路径）
     *
     * @param tableName 表名称
@@ -339,10 +345,26 @@
    }

    /**
     * 查询表信息并生成代码
     * 批量生成代码（下载方式）
     *
     * @param tableNames 表数组
     * @return 数据
     */
    @Override
    public void generatorCode(String tableName, ZipOutputStream zip) {
    public byte[] downloadCode(String[] tableNames) {
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        ZipOutputStream zip = new ZipOutputStream(outputStream);
        for (String tableName : tableNames) {
            generatorCode(tableName, zip);
        }
        IoUtil.close(zip);
        return outputStream.toByteArray();
    }

    /**
     * 查询表信息并生成代码
     */
    private void generatorCode(String tableName, ZipOutputStream zip) {
        // 查询表信息
        GenTable table = baseMapper.selectGenTableByName(tableName);
        // 设置主子表信息
@@ -375,6 +397,60 @@
    }

    /**
     * 修改保存参数校验
     *
     * @param genTable 业务信息
     */
    @Override
    public void validateEdit(GenTable genTable) {
        if (GenConstants.TPL_TREE.equals(genTable.getTplCategory())) {
            String options = JsonUtils.toJsonString(genTable.getParams());
            Dict paramsObj = JsonUtils.parseMap(options);
            if (StringUtils.isEmpty(paramsObj.getStr(GenConstants.TREE_CODE))) {
                throw new ServiceException("树编码字段不能为空");
            } else if (StringUtils.isEmpty(paramsObj.getStr(GenConstants.TREE_PARENT_CODE))) {
                throw new ServiceException("树父编码字段不能为空");
            } else if (StringUtils.isEmpty(paramsObj.getStr(GenConstants.TREE_NAME))) {
                throw new ServiceException("树名称字段不能为空");
            } else if (GenConstants.TPL_SUB.equals(genTable.getTplCategory())) {
                if (StringUtils.isEmpty(genTable.getSubTableName())) {
                    throw new ServiceException("关联子表的表名不能为空");
                } else if (StringUtils.isEmpty(genTable.getSubTableFkName())) {
                    throw new ServiceException("子表关联的外键名不能为空");
                }
            }
        }
    }

    /**
     * 设置主键列信息
     *
     * @param table 业务表信息
     */
    public void setPkColumn(GenTable table) {
        for (GenTableColumn column : table.getColumns()) {
            if (column.isPk()) {
                table.setPkColumn(column);
                break;
            }
        }
        if (ObjectUtil.isNull(table.getPkColumn())) {
            table.setPkColumn(table.getColumns().get(0));
        }
        if (GenConstants.TPL_SUB.equals(table.getTplCategory())) {
            for (GenTableColumn column : table.getSubTable().getColumns()) {
                if (column.isPk()) {
                    table.getSubTable().setPkColumn(column);
                    break;
                }
            }
            if (ObjectUtil.isNull(table.getSubTable().getPkColumn())) {
                table.getSubTable().setPkColumn(table.getSubTable().getColumns().get(0));
            }
        }
    }

    /**
     * 设置主子表信息
     *
     * @param table 业务表信息
@@ -386,4 +462,41 @@
        }
    }

    /**
     * 设置代码生成其他选项值
     *
     * @param genTable 设置后的生成对象
     */
    public void setTableFromOptions(GenTable genTable) {
        Dict paramsObj = JsonUtils.parseMap(genTable.getOptions());
        if (ObjectUtil.isNotNull(paramsObj)) {
            String treeCode = paramsObj.getStr(GenConstants.TREE_CODE);
            String treeParentCode = paramsObj.getStr(GenConstants.TREE_PARENT_CODE);
            String treeName = paramsObj.getStr(GenConstants.TREE_NAME);
            String parentMenuId = paramsObj.getStr(GenConstants.PARENT_MENU_ID);
            String parentMenuName = paramsObj.getStr(GenConstants.PARENT_MENU_NAME);

            genTable.setTreeCode(treeCode);
            genTable.setTreeParentCode(treeParentCode);
            genTable.setTreeName(treeName);
            genTable.setParentMenuId(parentMenuId);
            genTable.setParentMenuName(parentMenuName);
        }
    }

    /**
     * 获取代码生成地址
     *
     * @param table    业务表信息
     * @param template 模板文件路径
     * @return 生成地址
     */
    public static String getGenPath(GenTable table, String template) {
        String genPath = table.getGenPath();
        if (StringUtils.equals(genPath, "/")) {
            return System.getProperty("user.dir") + File.separator + "src" + File.separator + VelocityUtils.getFileName(template, table);
        }
        return genPath + File.separator + VelocityUtils.getFileName(template, table);
    }
}