因最近自己制作的软件需运行在简繁系统中,但数据库设计时没有充份考虑,于是做出此脚本批量转换数据类型；此脚本可批量处理数据库内所有char和varchar转换为nchar和nvarchar，已集成重建主键，约束，索引，此脚本没有启用事务，运行前请备份原数据库或手动增加事务-Result of the recent need to produce their own software system runs on all models, but did not take full account of database design, so make this scr ipt batch convert data types　This scr ipt can batch processing database convert all char and varchar nchar and nvarchar, reconstruction has been integrated primary keys, constraints, indexes, this scr ipt does not enable transaction, before running back up the original database or manually increase the transaction