文章摘要
文章介绍了如何在SQL查询中动态匹配关键字。文章通过使用CASE语句，根据不同的关键字（如"js"、"c#"等）动态调整查询条件。具体来说，每个CASE语句会根据指定关键字修改SQL关键字部分，添加OR条件以匹配相关标题。例如，处理"js"时，SQL关键字部分会修改为包含双引号和关键字的条件。这种处理方式能够根据不同的关键字灵活调整查询条件，从而确保精准检索结果。文章强调了通过动态匹配关键字，可以提高SQL查询的准确性和灵活性。
select case lcase(keyarr(I))
case “js”
sqlk=sqlk&” and (title like ‘%”&keyarr(I)&”%’ or title like ‘%javascript%’)”
case “javascript”
sqlk=sqlk&” and (title like ‘%”&keyarr(I)&”%’ or title like ‘%js%’)”
case “c#”
sqlk=sqlk&” and (title like ‘%”&keyarr(I)&”%’ or title like ‘%csharp%’)”
case “csharp”
sqlk=sqlk&” and (title like ‘%”&keyarr(I)&”%’ or title like ‘%c#%’)”
case else
sqlk=sqlk&” and title like ‘%”&keyarr(I)&”%'”
end select
select case lcase(keyarr(I))
case “js”
sqlk=sqlk&” and (title like ‘%”&keyarr(I)&”%’ or title like ‘%javascript%’)”
case “javascript”
sqlk=sqlk&” and (title like ‘%”&keyarr(I)&”%’ or title like ‘%js%’)”
case “c#”
sqlk=sqlk&” and (title like ‘%”&keyarr(I)&”%’ or title like ‘%csharp%’)”
case “csharp”
sqlk=sqlk&” and (title like ‘%”&keyarr(I)&”%’ or title like ‘%c#%’)”
case else
sqlk=sqlk&” and title like ‘%”&keyarr(I)&”%'”
end select
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