基于MySQL的创建Java实体Bean和TypeScript实体Bean

基于MySQL的创建Java实体Bean和TypeScript实体Bean

select 
    `ORDINAL_POSITION` as `a`,
-- @Data
-- @Schema(description = "货物管理表")
-- @TableName("lpg_cargo")
-- public class CargoEntity implements Serializable{

    concat('@Data \n @Schema(description = "',`TABLE_COMMENT`,'") \n  @TableName("',`TABLE_NAME`, '")') as `aaa`,
    concat('public class ', `TABLE_NAME_NEW`,'Entity  extends Model<', `TABLE_NAME_NEW`,'>{ ') as `bbb`,
    `DATA_TYPE`,
    concat('//',COLUMN_COMMENT)AS COLUMN_COMMENT,
	CamelCaseColumn,
--  TYPE JS 实体
	concat('//',COLUMN_COMMENT,'\n', 
		CamelCaseColumn,  
		CASE WHEN `DATA_TYPE` = 'String' THEN ': string | undefined = undefined;'
			WHEN `DATA_TYPE` = 'Long' THEN ': number | undefined = undefined;'
			WHEN `DATA_TYPE` = 'Integer' THEN ': number | undefined = undefined;'
			WHEN `DATA_TYPE` = 'BigDecimal' THEN ': number | undefined = undefined;'
			ELSE ': String | undefined = undefined;'
			END 
	)AS typeJsEntity,
--    @Schema(description = "货物名称")
--    private String cargoName 

--     `TABLE_COMMENT`,
--     `TABLE_NAME`,
--     `TABLE_NAME_NEW`,
    concat( 
     /*=====注释========*/
    '/**\n* ',COLUMN_COMMENT, '\n*/',
    /*======字段映射=======*/
    '\n@TableField(value = "',COLUMN_NAME,'",property = "',CamelCaseColumn,'")',
    /*====swagger========*/
    '\n@Schema(description = "',COLUMN_COMMENT,'")\n', 
    /*=====BEAN字段=======*/
    `prefix`,'  ',`DATA_TYPE`,'  ',`CamelCaseColumn`,';') as CamelCaseColumn

   
/* ==============================  */
/* ==============================  */
/* ==============================  */
/* ==============================  */
from
    (
    /**/
select
	'private' as `prefix`,
	ORDINAL_POSITION,
	TABLE_COMMENT,
	TABLE_NAME,
	COLUMN_NAME,
	replace(replace(replace(replace(replace(replace(replace( replace(replace( replace(replace(replace(replace(replace(replace( replace( replace( replace( replace(replace(replace( replace( replace( replace( replace( replace( replace(TABLE_NAME, '_a', 'A'), '_b', 'B'), '_c', 'C'), '_d', 'D'), '_e', 'E'), '_f', 'F'), '_g', 'G')
        , '_h', 'H'), '_i', 'I'), '_j', 'J'), '_k', 'K'), '_l', 'L'), '_m', 'M'), '_n', 'N'), '_o', 'O'), '_p', 'P'), '_q', 'Q'), '_r', 'R'), '_s', 'S'), '_t', 'T'), '_u', 'U')
       , '_v', 'V'), '_w', 'W'), '_x', 'X'), '_y', 'Y'), '_z', 'Z'), '_', '') as `TABLE_NAME_NEW`,
	/* ================ */
	replace(replace(replace(replace(replace(replace(replace( replace(replace( replace(replace(replace(replace(replace(replace( replace( replace( replace( replace(replace(replace( replace( replace( replace( replace( replace( replace(COLUMN_NAME, '_a', 'A'), '_b', 'B'), '_c', 'C'), '_d', 'D'), '_e', 'E'), '_f', 'F'), '_g', 'G')
        , '_h', 'H'), '_i', 'I'), '_j', 'J'), '_k', 'K'), '_l', 'L'), '_m', 'M'), '_n', 'N'), '_o', 'O'), '_p', 'P'), '_q', 'Q'), '_r', 'R'), '_s', 'S'), '_t', 'T'), '_u', 'U')
       , '_v', 'V'), '_w', 'W'), '_x', 'X'), '_y', 'Y'), '_z', 'Z'), '_', '') as `CamelCaseColumn`,
	/* ================ */
	case
		upper(DATA_TYPE)
          when 'VARCHAR' then 'String'
		when 'CHAR' then 'String'
		when 'TEXT' then 'String'
		when 'INT' then 'Integer'
		when 'TINYINT' then 'Integer'
		when 'SMALLINT' then 'Integer'
		when 'MEDIUMINT' then 'Integer'
		when 'BOOLEAN' then 'Integer'
		when 'BIGINT' then 'Long'
		when 'INTEGER' then 'Long'
		when 'ID' then 'Long'
		when 'FLOAT' then 'Float'
		when 'DOUBLE' then 'Double'
		when 'DECIMAL' then 'BigDecimal'
		when 'BIT' then 'Boolean'
          /*WHEN 'BLOB' THEN 'byte[]'*/
		when 'BLOB' then 'byte[]'
          /* 日期格式*/
		when 'DATE' then 'LocalDateTime' 
         /* WHEN 'DATE' THEN 'Date'*/
		when 'YEAR' then 'Date'
		when 'TIME' then 'Time'
         /* WHEN 'DATETIME' THEN 'Timestamp'*/
		/* WHEN 'TIMESTAMP' THEN 'Timestamp'*/
		when 'DATETIME' then 'LocalDateTime'
		when 'TIMESTAMP' then 'LocalDateTime'
		else 'String '
	end as `DATA_TYPE`,
	';' as `suffix`,
	COLUMN_COMMENT
from
	(
    /* === */
	select
		`tables`.TABLE_SCHEMA,
		`tables`.TABLE_NAME,
		`tables`.TABLE_COMMENT,
		`columns`.ORDINAL_POSITION,
		-- `columns`.TABLE_NAME,
          lower(`columns`.COLUMN_NAME)  AS COLUMN_NAME,
		`columns`.DATA_TYPE,
		`columns`.COLUMN_COMMENT
	from
		INFORMATION_SCHEMA.Tables as `tables`
	left join INFORMATION_SCHEMA.COLUMNS as `columns`
          on
		`columns`.TABLE_NAME = `tables`.TABLE_NAME
/* ==============================  */
		/* ==============================  */
		/* ==============================  */
		/* ==============================  */
	where
		`tables`.TABLE_SCHEMA = '数据库名称'
		and `tables`.TABLE_NAME = '表名称 '
/* ==============================  */
		/* ==============================  */
		/* ==============================  */
		/* ==============================  */
	order by
		`columns`.ORDINAL_POSITION    
    /* === */
		)as tmp
order by
	ORDINAL_POSITION    
    /**/
	)as ttt
order by
ORDINAL_POSITION