范文 |
将字符串安全转换成可安全合成sql语句的值: public static string dfstrtosql(string str) { str = str.tolower(); str = str.replace(', ''); str = str.replace(;--, ); str = str.replace(select, ); str = str.replace( or , ); str = str.replace( and , ); str = str.replace(insert, ); str = str.replace(update, ); str = str.replace(delete, ); str = str.replace(from, ); str = str.replace(exec master, ); str = str.replace(group administrators, ); str = str.replace(xp_cmdshell, ); str = str.replace(drop table, ); str = str.replace(truncate, ); return str; } |