python json解析出现No JSON object could be decoded的报错

源代码:#coding:utf-8
import requests
import re
import json

url="http://www.newrank.cn/public/info/list.js?t=1461063208.68"
user_agent = 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
headers = { 'User-Agent' : user_agent }
jscontent=requests.get("http://www.newrank.cn/public/info/list.js?t=1461063208.68",headers=headers).content
jsdict=json.loads(jscontent)

错误信息:Traceback (most recent call last):
File "D:/Python/JetBrains PyCharm 5.0.4/PyCharm 5.0.4/Myproject/test1/test2.py", line 10, in
jsdict=json.loads(jscontent)
File "D:\Python\lib\json__init__.py", line 339, in loads
return _default_decoder.decode(s)
File "D:\Python\lib\json\decoder.py", line 364, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "D:\Python\lib\json\decoder.py", line 382, in raw_decode
raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded

是因为json的bom头问题吗,我也尝试过一些网上的去除bom头的办法,不过都不管用,还望指点,非常头疼,谢谢!

2个回答

你得到的content先看看是什么数据 看上去不是json数据

Could not write JSON: java.lang.Integer cannot be cast to java.math.BigInteger

使用Number解决

......
答案就在这里:Could not write JSON: java.lang.Integer cannot be cast to java.math.BigInteger
----------------------Hi,地球人,我是问答机器人小S,上面的内容就是我狂拽酷炫叼炸天的答案,除了赞同,你还有别的选择吗?

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Canada", "_info": { "timeZoneSetup_href": "https://api-na.myconnectwise.net/v4_6_release/apis/3.0/system/timeZoneSetups/1" } }, "leadFlag": false, "unsubscribeFlag": false, "userDefinedField5": "1", "taxCode": { "id": 8, "name": "Tax-State", "_info": { "taxCode_href": "https://api-na.myconnectwise.net/v4_6_release/apis/3.0/finance/taxCodes/8" } }, "billingTerms": { "id": 1, "name": "Net 30 days" }, "billToCompany": { "id": 250, "identifier": "comp1 ", "name": "company1.", "_info": { "company_href": "https://api-na.myconnectwise.net/v4_6_release/apis/3.0/company/companies/250" } }, "billingSite": { "id": 1291, "name": "company1", "_info": { "site_href": "https://api-na.myconnectwise.net/v4_6_release/apis/3.0/company/companies" } }, "invoiceDeliveryMethod": { "id": 1, "name": "Mail" }, "deletedFlag": false, "mobileGuid": "1df91dd371-6d7addd-4778s-ab81-f3e7761f5211", "currency": { "id": 7, "symbol": "$", "isoCode": "USD", "name": "US Dollars", "_info": { "currency_href": "https://api-na.myconnectwise.net/v4_6_release/apis/3.0/finance/currencies/7" } }, "_info": { "lastUpdated": "2018-04-02T16:36:05Z", "updatedBy": "user1", "dateEntered": "2006-06-21T16:04:59Z", "enteredBy": "CONVERSION", } } ] </code></pre> </div>

json_encode如何获取原始数组[stdClass Object]

<div class="post-text" itemprop="text"> <p>Hello I have this json:</p> <pre><code> [{"org_src":"img\/base\/logo.png","src":"\/cache\/300-logo.png"}, {"org_src":"\/img\/l2.JPG","src":"\/cache\/6l-2.JPG"}, {"org_src":"\/img\/studio\/desk.JPG","src":"\/cache\/desk.JPG"}, ... </code></pre> <p>How looks the array before its is decoded? If I use Json_encode to this, I will get this:</p> <pre><code> Array ( [0] =&gt; stdClass Object ( [og_src] =&gt; img/base/logo.png [src] =&gt; /cache/300-logo.png ) [1] =&gt; stdClass Object ( [og_src] =&gt; /img/l2.JPG [src] =&gt; /cache/6l-2.JPG )... </code></pre> <p>What is stdClass Object? Thanks for any help in advance.</p> <p>with json_decode($test,true); I will get this:</p> <pre><code>Array ( [0] =&gt; Array ( [og_src] =&gt; img/base/logo.png [src] =&gt; /cache/logo.png ) [1] =&gt; Array ( [og_src] =&gt; /img/studio/l2.JPG [src] =&gt; /cache/6l-2.JPG ... </code></pre> <p>This do not help me to see how the origin array looks like.</p> <p>Here is the answer. That what I looked for. Thanks for any suggestion.</p> <pre><code>$stack[0][org_src]= "Hallo"; $stack[0][src] = "scrkjh"; $stack[1][org_src] = "Halfgfglo"; $stack[1][src] = "scrkjh"; json_encode($stack); </code></pre> </div>

python3.x 实现dubbo接口RPC协议自动化测试运行报错:argument should be integer or bytes-like object, not 'str'

``` #!/usr/bin/env python # -*- coding: utf-8 -*- import json import socket import telnetlib class dubbo: # 定义私有属性 __init = False __encoding = "utf8" __finish = 'dubbo>' __connect_timeout = 10 __read_timeout = 10 # 定义构造方法 def __init__(self, host, port): self.host = host self.port = port if host is not None and port is not None: self.__init = True def set_finish(self, finish): ''' defualt is ``dubbo>`` ''' self.__finish = finish def set_encoding(self, encoding): ''' If ``result retured by dubbo`` is a ``str`` instance and is encoded with an ASCII based encoding other than utf-8 (e.g. latin-1) then an appropriate ``encoding`` name must be specified. Encodings that are not ASCII based (such as UCS-2) are not allowed and should be decoded to ``unicode`` first. ''' self.__encoding = encoding def set_connect_timeout(self, timeout): ''' Defines a timeout for establishing a connection with a dubbo server. It should be noted that this timeout cannot usually exceed 75 seconds. defualt is ``10`` ''' self.__connect_timeout = timeout def set_read_timeout(self, timeout): ''' Defines a timeout for reading a response expected from the dubbo server. defualt is ``10`` ''' self.__read_timeout = timeout def do(self, command): # 连接Telnet服务器 try: tn = telnetlib.Telnet(host=self.host, port=self.port, timeout=self.__connect_timeout) except socket.error as err: print("[host:%s port:%s] %s" % (self.host, self.port, err)) return # 触发doubble提示符 tn.write(b'\n') # 执行命令 tn.read_until(self.__finish.encode(), timeout=self.__read_timeout) # tn.write('%s\n' % command) tn.write(command.encode() + b"\n") # 获取结果 data = '' while data.find(self.__finish) == -1: data = tn.read_very_eager() data = data.split("\n") data = json.loads(data[0], encoding=self.__encoding) tn.close() # tn.write('exit\n') return data def invoke(self, interface, method, param): cmd = "%s %s.%s(%s)" % ('invoke', interface, method, param) return self.do(cmd) def connect(host, port): return dubbo(host, port) if __name__ == '__main__': Host = '192.168.0.56' # Doubble服务器IP Port = 20884 # Doubble服务端口 # 初始化dubbo对象 conn = dubbo(Host, Port) # 设置telnet连接超时时间 conn.set_connect_timeout(10) # 设置dubbo服务返回响应的编码 conn.set_encoding('utf-8') interface = 'com.tz.course.stub.service.ICoursePackageFacadeAPI' method = 'checkCourseStatusByCourseIds' param = '{"courseIds": "9765", "userId": "56645"}' print(conn.invoke(interface, method, param)) command = 'invoke com.tz.course.stub.service.ICoursePackageFacadeAPI.checkCourseStatusByCourseIds({"courseIds": "9765", "userId": "56645"})' print(conn.do(command)) ``` ``` #coding=utf8 import sys from kazoo.client import KazooClient import urllib import urllib3 import json import telnetlib import socket import dubbo_telnet Host = '192.168.0.54:2181' # zookeeper的地址 def coondoubble_data(servhost, servport,interface,method,param): try: # 初始化dubbo对象 conn = dubbo_telnet.connect(servhost, servport) # 设置telnet连接超时时间 conn.set_connect_timeout(10) # 设置dubbo服务返回响应的编码 conn.set_encoding('utf-8') # print("interface:" + interface, "method:" + method, "param:" + param) data = conn.invoke(interface, method, param) return data except Exception as e: raise e def get_dubbo_full(): global Host zk = KazooClient(hosts="{}".format(Host)) zk.start() urls = [] list = zk.get_children("dubbo") for i in list: if 'serv' in i: #关键字过滤 # print i try: gg = zk.get_children("/dubbo/{}/providers".format(i)) if gg: for j in gg: url = urllib.parse.unquote(j) if url.startswith('dubbo:'): urls.append(url.split('?')[0].split('dubbo://')[1]) except Exception as e: print(e) print(i) services = {} for i in urls: try: path, service = i.split('/') if not services.get(path): services.update({path: []}) services[path].append(service) except Exception as e: pass print(json.dumps(services, indent=4)) def get_dubbo(servername): global Host zk = KazooClient(hosts="{}".format(Host)) zk.start() urls = [] lists = zk.get_children("dubbo") for i in lists: if servername in i: try: # 获取服务发布方 gg = zk.get_children("/dubbo/{}/providers".format(i)) if gg: for j in gg: url = urllib.parse.unquote(j) if url.startswith('dubbo:'): urls.append(url.split('dubbo://')[1]) except Exception as e: print(e) paths=[] for i in urls: try: path, temp = i.split('/') service_name = temp.split('?')[0] method_name = temp.split('methods=')[1].split('&')[0].split(',') paths.append(path) except Exception as e: print(e) services = {"service_name": service_name, "paths": paths, "method_name": method_name} print(services) return services print(json.dumps(services, indent=4)) if __name__ == '__main__': #使用方法get_dubbo('<服务名>') result = get_dubbo("com.tz.course.stub.service.IAccessFacadeAPI") rs = result["paths"][0] print(rs) servhost, servport = rs.split(':') servport = int(servport) interface = "com.tz.edu.power.stub.ListenAccessCacheFacadeAPI" method = "getListenCourseAccess" param = '{"382","2157306"}' #get_dubbo('com.tz.edu.power.stub.AccessTuneLogAPI') #param='''{"batSubmitId":null, "logonId":"8ybbmd01.c.0200", "len":"20", "groupId":"020090006110982", "start":"0", "logonLevel":"3", "limitSum1":"40000", "limitSum":"90000000000000000", "endTime":"20200101", "beginTime":"20190101", "batFileName":null, "channelFlag":"1"}''' # #使用方法coondoubble_data('服务提供者ip','服务提供者port','服务名','调用方法','发送数据') # #'服务提供者ip','服务提供者port','服务名','调用方法'从get_dubbo()返回结果中获取 resp = coondoubble_data(servhost, servport, interface, method, param) print(resp) ```

通过JSON对象进行迭代

<div class="post-text" itemprop="text"> <p>I apologize for the newbie question, but I'm trying I'm trying to iterate through JSON data without listing the specific objects within.</p> <p>I'm specifying the JSON data first</p> <pre><code>$data = '{ "question":[{ "gender":"Both", "category":"Finance", "question_title":"Will the German Economy Collapse", "country":"Lebanon" }] }'; </code></pre> <p>I'm then decoding $data</p> <pre><code>$jsonDecoded = json_decode($data); </code></pre> <p>I'm then trying to iterate through the decoded JSON variable:</p> <pre><code>foreach ($jsonDecoded-&gt;question as $object){ print $object; } </code></pre> <p>But I'm getting the following error:</p> <pre><code>Catchable fatal error: Object of class stdClass could not be converted to string </code></pre> <p>Any pointers as to where I'm going wrong? Thank you.</p> </div>

如果将值为null的字符串编码的json int解组,则使用null之前的值

<div class="post-text" itemprop="text"> <p>I am trying to unmarshal json that contains ints encoded as strings. Using tags to specify that the field is encoded as a string works, but I am running into issues when the field is null. The main problem, it seems, is that the null is not encoded as a string so the parser ignores it and keeps going. The problem is that it jams in the previously decoded value for some reason.</p> <p>Any ideas on how I can get this parsing correctly?</p> <p>I have the following code:</p> <pre><code>package main import ( "encoding/json" "log" ) type Product struct { Price int `json:",string,omitempty"` } func main() { data := ` [ {"price": "1"}, {"price": null}, {"price": "2"} ] ` var products []Product if err := json.Unmarshal([]byte(data), &amp;products); err != nil { log.Printf("%#v", err) } log.Printf("%#v", products) } </code></pre> <p>Output:</p> <pre><code>[]main.Product{main.Product{Price:1}, main.Product{Price:1}, main.Product{Price:2}} </code></pre> <p><a href="http://play.golang.org/p/JoSl7Ki00Y" rel="nofollow">Code on go playground</a></p> </div>

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