PyExecJs报错解决

Traceback (most recent call last):
  File "D:/python-file/algorithm/spider_air.py", line 22, in <module>
    params = ctx.eval(js)
  File "C:\Users\Since\AppData\Local\Programs\Python\Python36\lib\site-packages\execjs\_abstract_runtime_context.py", line 28, in eval
    return self._eval(source)
  File "C:\Users\Since\AppData\Local\Programs\Python\Python36\lib\site-packages\execjs\_external_runtime.py", line 76, in _eval
    return self.exec_(code)
  File "C:\Users\Since\AppData\Local\Programs\Python\Python36\lib\site-packages\execjs\_abstract_runtime_context.py", line 19, in exec_
    return self._exec_(source)
  File "C:\Users\Since\AppData\Local\Programs\Python\Python36\lib\site-packages\execjs\_external_runtime.py", line 88, in _exec_
    return self._extract_result(output)
  File "C:\Users\Since\AppData\Local\Programs\Python\Python36\lib\site-packages\execjs\_external_runtime.py", line 169, in _extract_result
    raise exceptions.RuntimeError(value)
execjs._exceptions.RuntimeError: SyntaxError: 语法错误

错误来源于：execjs是驱动系统自带的Jscript去执行的js代码，如果没有或者其他原因汇报语法错误。

解决方法：
import execjs
import os
# os.environ["EXECJS_RUNTIME"] = ‘Phantomjs‘
node = execjs.get()

将驱动变成：Phantomjs即可