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in Technique[技术] by (71.8m points)

mysqli_query查不到数据

$data = mysqli_query ($this->db, "select * from dues where addtime>1596211200" );
var_dump($data);

结果是空的,但实际上库里有1000多条数据呢

$data = mysqli_query ($this->db, "select * from dues" );
var_dump($data);

不加那个条件是能全查出来的。到底哪错了呢?


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by (71.8m points)

把SQL语句复制下,去数据库执行下看看,select * from dues where addtime > '1596211200'; 你看下你的addtime字段保存的是时间戳吗,1596211200转换日期为2020-08-01 00:00:00,看看你数据保存的数据是什么时间的,先排除下


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