public class View { private int currentPage; private int pageSize; private int recordCount; public View(int pageSize, int recordCount, int currentPage) { this.pageSize = pageSize; this.recordCount = recordCount; this.setCurrentPage(currentPage); } pu
最近在使用mysql 分页查询数据的时候发现返回的数据与预期的不一样,显示数据重复错乱. 在官方文档 有这样一句话 If multiple rows have identical values in the ORDER BY columns, the server is free to return those rows in any order, and may do so differently depending on the overall execution plan. In othe
1.创建表: drop table if exists photo;CREATE TABLE photo ( id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, name VARCHAR(100) COMMENT '名称', photo blob COMMENT '照片')ENGINE=InnoDBDEFAULT CHARSET=utf8COLLATE=utf8_general_ci; 图片在MySql中的数据存储格式为blob类型;Blob