09 2020 档案

org.hibernate.TransientObjectException: object references an unsaved transient instance - save the t
摘要：报错：org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: com.hp.pms.p 阅读全文
posted @ 2020-09-29 19:29 芃蓉蓁蓁 阅读(1091) 评论(0) 推荐(0)
Unable to compile class for JSP：The code of method _jspService(HttpServletRequest, HttpServletRespon
摘要：访问某个jsp页面时报错：Unable to compile class for JSP: An error occurred at line: [173] in the generated java file: [C:\Users\23769.IntelliJIdea2019.3\system\t 阅读全文
posted @ 2020-09-29 17:00 芃蓉蓁蓁 阅读(222) 评论(0) 推荐(0)
Oracle常用操作命令
摘要：1.Oracle支持的主要数据类型 类型含义 CHAR（length) 存储固定长度字符串。length指定长度，存储的字符串长度小于指定长度用空格填充。默认长度1，最长不超过2000字节 VARCHAR2(length) 存储可变长度字符串。length指定最大存储长度，默认长度1，最长不超过40 阅读全文
posted @ 2020-09-06 13:25 芃蓉蓁蓁 阅读(140) 评论(0) 推荐(0)
js关闭当前窗口
摘要：//关闭当前窗口 function closeCurrentWindow(){ top.window.opener=null; top.window.open("", "_self"); top.window.close(); } 阅读全文
posted @ 2020-09-02 16:16 芃蓉蓁蓁 阅读(124) 评论(0) 推荐(0)