摘要：: The HTTP response header [Content-Disposition] with value [attachment; filename="进度（导入模板）.xlsx.xlsx"] has been removed from the response because it is invalid java.lang.IllegalArgumentException: The Unicode character [进] at code point [36,827] cannot be encoded as it is outside the permitted range of 0 to 255 阅读全文

摘要：Java中Long和long的区别 阅读全文

摘要：场景还原 有一个字段是 已删除 deleted 如果0 则是未删除 如果1 则是已删除 我写的where条件是 deleted != 1 然后数据库里面这个字段的值都是null 我当时就想，null值，也就是不等于1，没毛病，但是就是查不出来，于是我问了一下通义千问，回答如下： AI回答 理解你的困 阅读全文

摘要：Java使用StringUtils优雅的判断多参数是否为空 阅读全文