xml和json无法显示中文

解决办法：在相关语句中添加“encoding='utf-8'”。
如：

xmldoc.write(xmlpath+xmllist[i], encoding='utf-8')

json.dump(instance, open(save_path, 'w', encoding='utf-8'), ensure_ascii=False, indent=1)

with open(path, "r", encoding='utf-8') as f: