摘要:
.net core 8的网站, SqlSugar + MySQL 8 异步函数返回值不能写void => async void, 否则会出现各种异像, This MySqlConnection is already in use. See https://fl.vu/mysql-conn-reuse 阅读全文
摘要:
var file = new ExcelPackage(ExcelPath); var worksheet = file.Workbook.Worksheets[0]; //自己找一下要操作的透视图 var pivotTable = worksheet.PivotTables[1]; var fie 阅读全文
摘要:
上代码, 真正四舍五入. 不是四舍六入五成双 看懂鼓掌 function round2(val, len) { len = (len || len 0)? len : 2; var flag = Math.pow(10, len); if (!val || isNaN(val)) { return 阅读全文