import re from datetime import datetime from typing import List from config.constant import GenConstant from config.env import GenConfig from module_generator.entity.vo.gen_vo import GenTableColumnModel, GenTableModel from utils.string_util import StringUtil class GenUtils: """代码生成器工具类""" @classmethod def init_table(cls, gen_table: GenTableModel, oper_name: str) -> None: """ 初始化表信息 param gen_table: 业务表对象 param oper_name: 操作人 :return: """ gen_table.class_name = cls.convert_class_name(gen_table.table_name) gen_table.package_name = GenConfig.package_name gen_table.module_name = cls.get_module_name(GenConfig.package_name) gen_table.business_name = cls.get_business_name(gen_table.table_name) gen_table.function_name = cls.replace_text(gen_table.table_comment) gen_table.function_author = GenConfig.author gen_table.create_by = oper_name gen_table.create_time = datetime.now() gen_table.update_by = oper_name gen_table.update_time = datetime.now() @classmethod def init_column_field(cls, column: GenTableColumnModel, table: GenTableModel) -> None: """ 初始化列属性字段 param column: 业务表字段对象 param table: 业务表对象 :return: """ data_type = cls.get_db_type(column.column_type) column_name = column.column_name column.table_id = table.table_id column.create_by = table.create_by # 设置Python字段名 column.python_field = cls.to_camel_case(column_name) # 设置默认类型 column.python_type = StringUtil.get_mapping_value_by_key_ignore_case( GenConstant.DB_TO_PYTHON_TYPE_MAPPING, data_type ) column.query_type = GenConstant.QUERY_EQ if cls.arrays_contains(GenConstant.COLUMNTYPE_STR, data_type) or cls.arrays_contains( GenConstant.COLUMNTYPE_TEXT, data_type ): # 字符串长度超过500设置为文本域 column_length = cls.get_column_length(column.column_type) html_type = ( GenConstant.HTML_TEXTAREA if column_length >= 500 or cls.arrays_contains(GenConstant.COLUMNTYPE_TEXT, data_type) else GenConstant.HTML_INPUT ) column.html_type = html_type elif cls.arrays_contains(GenConstant.COLUMNTYPE_TIME, data_type): column.html_type = GenConstant.HTML_DATETIME elif cls.arrays_contains(GenConstant.COLUMNTYPE_NUMBER, data_type): column.html_type = GenConstant.HTML_INPUT # 插入字段（默认所有字段都需要插入） column.is_insert = GenConstant.REQUIRE # 编辑字段 if not cls.arrays_contains(GenConstant.COLUMNNAME_NOT_EDIT, column_name) and not column.is_pk: column.is_edit = GenConstant.REQUIRE # 列表字段 if not cls.arrays_contains(GenConstant.COLUMNNAME_NOT_LIST, column_name) and not column.is_pk: column.is_list = GenConstant.REQUIRE # 查询字段 if not cls.arrays_contains(GenConstant.COLUMNNAME_NOT_QUERY, column_name) and not column.is_pk: column.is_query = GenConstant.REQUIRE # 查询字段类型 if column_name.lower().endswith('name'): column.query_type = GenConstant.QUERY_LIKE # 状态字段设置单选框 if column_name.lower().endswith('status'): column.html_type = GenConstant.HTML_RADIO # 类型&性别字段设置下拉框 elif column_name.lower().endswith('type') or column_name.lower().endswith('sex'): column.html_type = GenConstant.HTML_SELECT # 图片字段设置图片上传控件 elif column_name.lower().endswith('image'): column.html_type = GenConstant.HTML_IMAGE_UPLOAD # 文件字段设置文件上传控件 elif column_name.lower().endswith('file'): column.html_type = GenConstant.HTML_FILE_UPLOAD # 内容字段设置富文本控件 elif column_name.lower().endswith('content'): column.html_type = GenConstant.HTML_EDITOR column.create_by = table.create_by column.create_time = datetime.now() column.update_by = table.update_by column.update_time = datetime.now() @classmethod def arrays_contains(cls, arr: List[str], target_value: str) -> bool: """ 校验数组是否包含指定值 param arr: 数组 param target_value: 需要校验的值 :return: 校验结果 """ return target_value in arr @classmethod def get_module_name(cls, package_name: str) -> str: """ 获取模块名 param package_name: 包名 :return: 模块名 """ return package_name.split('.')[-1] @classmethod def get_business_name(cls, table_name: str) -> str: """ 获取业务名 param table_name: 业务表名 :return: 业务名 """ return table_name.split('_')[-1] @classmethod def convert_class_name(cls, table_name: str) -> str: """ 表名转换成Python类名 param table_name: 业务表名 :return: Python类名 """ auto_remove_pre = GenConfig.auto_remove_pre table_prefix = GenConfig.table_prefix if auto_remove_pre and table_prefix: search_list = table_prefix.split(',') table_name = cls.replace_first(table_name, search_list) return StringUtil.convert_to_camel_case(table_name) @classmethod def replace_first(cls, replacement: str, search_list: List[str]) -> str: """ 批量替换前缀 param replacement: 需要被替换的字符串 param search_list: 可替换的字符串列表 :return: 替换后的字符串 """ for search_string in search_list: if replacement.startswith(search_string): return replacement.replace(search_string, '', 1) return replacement @classmethod def replace_text(cls, text: str) -> str: """ 关键字替换 param text: 需要被替换的字符串 :return: 替换后的字符串 """ return re.sub(r'(?:表|若依)', '', text) @classmethod def get_db_type(cls, column_type: str) -> str: """ 获取数据库类型字段 param column_type: 字段类型 :return: 数据库类型 """ if '(' in column_type: return column_type.split('(')[0] return column_type @classmethod def get_column_length(cls, column_type: str) -> int: """ 获取字段长度 param column_type: 字段类型 :return: 字段长度 """ if '(' in column_type: length = len(column_type.split('(')[1].split(')')[0]) return length return 0 @classmethod def split_column_type(cls, column_type: str) -> List[str]: """ 拆分列类型 param column_type: 字段类型 :return: 拆分结果 """ if '(' in column_type and ')' in column_type: return column_type.split('(')[1].split(')')[0].split(',') return [] @classmethod def to_camel_case(cls, text: str) -> str: """ 将字符串转换为驼峰命名 param text: 需要转换的字符串 :return: 驼峰命名 """ parts = text.split('_') return parts[0] + ''.join(word.capitalize() for word in parts[1:])