电子书删除
删除逻辑
async function removeBook(book) {
if (book) {
book.reset()
if (book.fileName) {
const removeBookSql = `delete from book where fileName='${book.fileName}'`
const removeContentsSql = `delete from contents where fileName='${book.fileName}'`
await db.querySql(removeBookSql)
await db.querySql(removeContentsSql)
}
}
}
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