报错解决：'gbk' codec can't encode character u'\xc3' in position 0: illegal multibyte sequence

• 当python解码时出现报错illegal multibyte sequence

json.dumps(s, indent = 4,cls = FormatEncoder, ensure_ascii = False).encode("iso-8859-1").decode('gb18030').encode    ('utf8')

• 解决方法：
  添加ignore，忽略报错
  json.dumps(s, indent = 4,cls = FormatEncoder, ensure_ascii = False).encode("iso-8859-1").decode('gb18030',errors='ignore').encode ('utf8')
• with/open语句

open('c:/xxx/test.txt',errors='ignore')
with open('c:/xxx/test.txt',errors='ignore') as f: