php - 如何在 mysqli_query 中有多个 WHERE 值？

Question

我将如何在 mysqli_query 的 WHERE 中使用多个值？

前任。

mysqli_query ($con, "SELECT post_title, post_content, post_date FROM posts WHERE post_id = 3013, 4140, 6850")

这是使用多个 WHERE 值的正确方法吗？或者...？

score 4 · Accepted Answer

利用IN

WHERE post_id IN (3013, 4140, 6850)

这与

WHERE post_id = 3013 OR
      post_id = 4140 OR
      post_id = 6850

score 0 · Accepted Answer

使用IN：

mysqli_query ($con, "SELECT post_title, post_content, post_date FROM posts WHERE post_id IN (3013, 4140, 6850)")

score 0 · Accepted Answer

0

首先，您应该检查文档：

你用ANDor分隔你的 where 子句OR

于 2013-07-10T14:49:16.870 回答

score 0 · Accepted Answer

您需要使用IN子句。

mysqli_query ($con, "SELECT post_title, post_content, post_date FROM posts WHERE post_id IN (3013, 4140, 6850)")

4 回答 4