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尝试用response.json()返回车票查询信息报错
发表在Python图书答疑
2020-02-12
《零基础学Python》第14章 网络爬虫开发
是否精华
是
否
版块置顶:
是
否
import requests url='https://kyfw.12306.cn/otn/leftTicket/queryO?leftTicketDTO.train_date=2020-02-12&leftTicketDTO.from_station=WXH&leftTicketDTO.to_station=SZH&purpose_codes=ADULT' response = requests.get(url) result = response.json() result = result['data']['result'] print(result)
报错信息为
Traceback (most recent call last):
File "<ipython-input-37-d25573701c55>", line 1, in <module>
runfile('C:/Users/wangx/Desktop/14/check tickets/untitled4.py', wdir='C:/Users/wangx/Desktop/14/check tickets')
File "C:\Users\wangx\Anaconda3\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 786, in runfile
execfile(filename, namespace)
File "C:\Users\wangx\Anaconda3\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 110, in execfile
exec(compile(f.read(), filename, 'exec'), namespace)
File "C:/Users/wangx/Desktop/14/check tickets/untitled4.py", line 12, in <module>
result = response.json()
File "C:\Users\wangx\Anaconda3\lib\site-packages\requests\models.py", line 897, in json
return complexjson.loads(self.text, **kwargs)
File "C:\Users\wangx\Anaconda3\lib\json\__init__.py", line 348, in loads
return _default_decoder.decode(s)
File "C:\Users\wangx\Anaconda3\lib\json\decoder.py", line 337, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "C:\Users\wangx\Anaconda3\lib\json\decoder.py", line 355, in raw_decode
raise JSONDecodeError("Expecting value", s, err.value) from None
JSONDecodeError: Expecting value
分享到：
在response = requests.get(url) 后执行print(response)
执行结果为<Response [200]>
执行print(requests.get(url).content.decode('utf-8'))
执行结果为
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>铁路客户服务中心</title>
<link href="/mormhweb/images/global.css" rel="stylesheet" type="text/css">
<link href="/mormhweb/images/err.css" rel="stylesheet" type="text/css"/>
<style type="text/css">
<!--
html,body{background:#fff;}
-->
</style>
</head>
<body>
<div class="err_text">
<ul id="error" >
<li id="err_top">
</li>
<li id="err_bot"> 网络可能存在问题，请您重试一下！
<div class="time"> <SCRIPT language="javascript">
<!--
function initArray() {
for (i = 0; i < initArray.arguments.length; i++)
this[i] = initArray.arguments[i];
}
var isnMonths = new initArray("1月", "2月", "3月", "4月", "5月", "6月", "7月", "8月", "9月", "10月", "11月", "12月");
var isnDays = new initArray("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六", "星期日");
today = new Date();
hrs = today.getHours();
min = today.getMinutes();
sec = today.getSeconds();
clckh = "" + ((hrs > 12) ? hrs - 12 : hrs);
clckm = ((min < 10) ? "0" : "") + min;
clcks = ((sec < 10) ? "0" : "") + sec;
clck = (hrs >= 12) ? "下午" : "上午";
var stnr = "";
var ns = "0123456789";
var a = "";
function getFullYear(d) {
yr = d.getYear();
if (yr < 1000)
yr += 1900;
return yr;
}
document.write(getFullYear(today) + "年" + isnMonths[today.getMonth()] + today.getDate() + "日" + " " + clckh + ":" + clckm + ":" + clcks + " " + isnDays[today.getDay()]);
//-->
</SCRIPT></div>
</li>
</ul>
</div>
</body>
</html>
但在浏览器中可见返回的json消息：
