摘要:
let area = str.replace(/\//g, ""); 去掉/ var str = str.replace(/#.*|\//g,''); 去掉/和#后面的字符 var str=str.replace(/^.*#/g,''); 去掉#前面的字符 var str="Hello world! 阅读全文
摘要:
import requests from bs4 import BeautifulSoup from PIL import Image import os from io import BytesIO import time url = "http://www.yestone.com/gallery 阅读全文
摘要:
Python的循环有两种,一种是for...in循环,依次把list或tuple中的每个元素迭代出来names = ['Michael', 'Bob', 'Tracy'] for name in names: print(name) 第二种循环是while循环,只要条件满足,就不断循环,条件不满足时 阅读全文