1.解析base64数据成图片 The problem is that data:image/bmp;base64, is included in the encoded contents. This will result in invalid image data when the base64 function decodes it. Remove that data in the function before decoding the string, like so. $base64
1.解析base64数据成图片 The problem is that data:image/bmp;base64, is included in the encoded contents. This will result in invalid image data when the base64 function decodes it. Remove that data in the function before decoding the string, like so. $base64
题目描述 分页查询employees表,每5行一页,返回第2页的数据CREATE TABLE `employees` (`emp_no` int(11) NOT NULL,`birth_date` date NOT NULL,`first_name` varchar(14) NOT NULL,`last_name` varchar(16) NOT NULL,`gender` char(1) NOT NULL,`hire_date` date NOT NULL,PRIMARY KEY (`emp_
问题:我要获得一个角色下对应的所有用户,需要两表连接查询,虽然返回的只有用户数据,但是我想到若是返回的不只是用户数据,而还要加上角色信息,那么我返回什么类型呢,返回var吗,这样不行. 于是我网上找找是否能返回DataTable呢,这样我不用创建中间类了.然后就找到下面的代码:这是别人写的,高手. using System; using System.Collections.Generic; using System.Data; using System.Linq; using System.R