摘要:
(1)浮动 pull-left pull-right (2)清除浮动 clearfix <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <link rel="stylesheet" href="https://cdn.staticfile.o 阅读全文
摘要:
(1)颜色 bg-primary bg-success bg-info bg-warning bg-danger <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <link rel="stylesheet" href="https://cdn 阅读全文
摘要:
(1)颜色 btn btn-default btn-primary btn-success btn-info btn-warning btn-danger (2)大小 btn-lg btn-sm btn-xs (3)块级按钮 btn-block (4)状态 active disabled (5)按钮 阅读全文
摘要:
(1)文件路径 +r 的场景 假设机器上有这么个文件 D:\aaa\ttt\a.txt 文件内容为 hello worldhello world 错误的python 读取方式为: # -*- encoding=utf-8 -*- with open('D:\aaa\ttt\a.txt', 'r') 阅读全文
摘要:
(1)颜色text-muted:浅灰色text-primary:蓝色text-success:浅绿text-info:浅蓝色text-warning:黄色text-danger:褐色(2)对齐text-left:左对齐text-center:居中对齐text-right:右对齐(3)形式<small 阅读全文