摘要:
在Qt中使用sqlite数据库。使用QSqlQuery query执行sql语句。sql语句正常,但query.exec() 返回false,无法更新数据库。解决方法:使用voidQSqlQuery::clear()使用query之后要query.clear()。View Code 1 query.prepare("update clock set " 2 " title = ?," 3 " remark = ?," 4 " templatetype = ?," 5 ... 阅读全文