我的参数没乱码,sql却成了select ID,COMMAND,DESCRIPTION,CONTENT from message where 1=1 and COMMAND = ? select ID,COMMAND,DESCRIPTION,CONTENT from message where 1=1 and DESCRIPTION like '%' ? '%' 参数就没替换上去,这是为什么?那位大神能帮我解决一下
select ID,COMMAND,DESCRIPTION,CONTENT from message where 1=1 and COMMAND = ?这句话没错
select ID,COMMAND,DESCRIPTION,CONTENT from message where 1=1 and DESCRIPTION like '% {$description} %'