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(1)jqgrid加载并获取所有行数据 //获取当前表格的所有数据 function getJQAllData() { var obj = jQuery("#jqGridId"); //获取当前显示的数据 var rows = obj.jqGrid('getRowData'); var rowNum 阅读全文
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1,排在最前面用order by name nulls first; eg:select * from table t where t.code!='1' order by name nulls first; 2,排在最后面order by name nulls last; eg:select * 阅读全文
摘要:
不等于符号会把code为null的记录过滤掉 SELECT * FROM person WHERE sex='女' and code != 'xxx'; 解决方法: SELECT * FROM person WHERE sex='女' and (code != 'xxx' or code is nu 阅读全文
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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
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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