json完全无效.

第一个打开的花括号前面有以下内容(十六进制编码)ef bb bf ef bb bf

In front of the first opening curly braces there is the following content (hex encoded) ef bb bf ef bb bf

这是utf8 bom.

It is the utf8 bom.

有一个与此相关的问题需要解决，因此在此不再赘述.在这里阅读:

There is a question related to deal with exactly that, so I will not cover it here. Read up here:

如何在PHP字符串中删除％EF％BB％BF a>

和另一个专门处理json的地方:

and another one dealing specifically with json here:

转换UTF- 8，物料清单转换为UTF-8，Python中没有物料清单