2021-07-17 阅读量: 3405
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It is possible that the file was save as UTF8 with BOM (or the content was copied from such a file).
In this case, try to save the file in UTF8 format (without BOM) and then re-run the code.
尝试以utf8保存文件然后再执行一次
在第一节基础上 更新了函数和执行顺序：实操了字符数函数、时间函数、字段截取函数、interval函数等，除最后顺序实操因未导入数据库，导致无法执行
