摘要: select FROM_UNIXTIME(addtime,'%Y-%m-%d')as date,COUNT(*) FROM ad_mac GROUP BY FROM_UNIXTIME(addtime,'%Y-%m-%d'); 阅读全文
posted @ 2018-12-24 17:06 isafer_wilson 阅读(982) 评论(0) 推荐(0) 编辑
摘要: <!DOCTYPE html><html><head> <meta charset="utf-8"> <title>ECharts</title> <!-- 引入 echarts.js --> <script src="echarts.js"></script></head><body><!-- 为 阅读全文
posted @ 2018-12-24 16:39 isafer_wilson 阅读(377) 评论(0) 推荐(0) 编辑
摘要: 1. 链接数据库$conn = @new mysqli("127.0.0.1","root","","mydb"); if($conn->connect_errno){ //返回链接错误号// 返回链接错误信息die("数据库链接失败:".$conn->connect_error);} 2. 选择数 阅读全文
posted @ 2018-12-24 11:24 isafer_wilson 阅读(234) 评论(0) 推荐(0) 编辑