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Exception in Tkinter callback
Traceback (most recent call last):
File "D:\Python\lib\tkinter\__init__.py", line 1702, in __call__
return self.func(*args)
File "E:/智联爬虫可视化/crawl_views.py", line 79, in usr_selection
Scrapy_start = Scrapy_start_1.run_1()
File "E:\智联爬虫可视化\crawl_ZL.py", line 61, in run_1
return self.get_data(self.r.text) #调用函数,函数是爬去数据,上面的所有都是用来请求的,这个函数才是解析请求返回来的数据的
File "E:\智联爬虫可视化\crawl_ZL.py", line 79, in get_data
js = json.loads(text)
File "D:\Python\lib\json\__init__.py", line 348, in loads
return _default_decoder.decode(s)
File "D:\Python\lib\json\decoder.py", line 337, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "D:\Python\lib\json\decoder.py", line 355, in raw_decode
raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
附:
#requests库来获取网页的请求信息
#bs4主要用来解析HTML标签,转换成一个树形结构 lxml、utf-8
#JSON模块,对数据进行编解码 json.dumps()、json.loads()
#Tkinter库构造图形界面
#pandas库读取xlsx文件
#matplolib库数据分析,生成散点图