List list = new ArrayList(); list.add(new String[]{"0","s1","0038","45"}); list.add(new String[]{"0","s2","0038","45"}); list.add(new String[]{"0","s3",&qu…
python 读取csv文件报错问题 import csv with open('E:/Selenium2script/DDT模块/test.csv','rb') as f: readers = csv.reader(f) next(readers,None) for line in readers: print(line) 输出:_csv.Error: iterator should return strings, not bytes (did you open the file in tex…
报错信息: Symbol.iterator is not a function [duplicate] 代码示例: function insertCta() { let ctaArr = Array.from(document.getElementsByClassName("cta")); for (let i of ctaArr) { i.innerHTML = placeholder.cta; } } 分析原因: DOM获取的nodeList类似数组,但是不是数组,直接用for o…