raise jsondecodeerror("expecting value", s, err.value) from none是什么问题


这个错误通常在使用Python的`json`模块解析JSON数据时出现,具体来说,当你尝试将一个非JSON格式的数据(如字符串`None`)解析为JSON对象时,会抛出`json.JSONDecodeError`。`"expecting value"`是一个提示信息,表示在解析过程中遇到了预期中的值(比如键、数组元素或值对)没有找到。 在这个错误中: - `jsondecodeerror`是`JSONDecodeError`的实例化,表明出现了JSON解码错误。 - "expecting value":说明在当前位置期望找到一个JSON值(如字符串、数字、布尔值、null、数组或对象),但实际上没有找到。 - `s`:可能是指你在尝试解析的JSON字符串或者文件内容。 - `err.value`:这是引发错误的具体值,可能是None或者其他未被正确解析的内容。 解决这个问题,你需要确保你正在解析的是有效的JSON格式的数据。如果`None`是一个预期的值,那么你需要在解析前检查它,或者在处理可能出现`None`的情况时添加适当的错误处理代码。例如: ```python import json data = None if data is not None: try: parsed_data = json.loads(data) except json.JSONDecodeError as e: raise json.JSONDecodeError("expecting value", data, e.value) else: # 处理None的情况 ... ``` [2024-04-09 15:46:21 | AI写代码神器 | 294点数解答]
- npm err! code elifecycle npm err! errno 1 npm err! node-sass@9.0.0 install: `node scripts/install.js` npm err! exit status 1 npm err! npm err! failed at the node-sass@9.0.0 install script. npm err! this is probably not a problem with npm. there is likely additional logging output above.(552点数解答 | 2024-02-22 09:55:10)293
- npm err! code elifecycle npm err! errno 1 npm err! node-sass@9.0.0 install: `node scripts/install.js` npm err! exit status 1 npm err! npm err! failed at the node-sass@9.0.0 install script. npm err! this is probably not a problem with npm. there is likely additional logging output above.(337点数解答 | 2024-02-22 09:55:21)324
- npm err! code elifecycle npm err! errno 1 npm err! node-sass@9.0.0 install: `node scripts/install.js` npm err! exit status 1 npm err! npm err! failed at the node-sass@9.0.0 install script. npm err! this is probably not a problem with npm. there is likely additional logging output above.(141点数解答 | 2024-02-22 09:55:21)237
- raise jsondecodeerror("expecting value", s, err.value) from none(237点数解答 | 2024-04-09 15:46:11)221
- raise jsondecodeerror("expecting value", s, err.value) from none是什么问题(294点数解答 | 2024-04-09 15:46:21)198
- npm err! node-sass@6.0.0 install: `node scripts/install.js` npm err! exit status 1 npm err! npm err! failed at the node-sass@6.0.0 install script. npm err! this is probably not a problem with npm. there is likely additional logging output above.(184点数解答 | 2024-02-22 10:23:20)234
- <?xml version="1.0" encoding="utf-8"?> <ssc> <depth value="2" unit="cm"> <angle name="shiftarray_14" value="0^^23^^0^^22" unit=""/> <angle name="shiftarray_13" value="0^^19^^0^^17" unit=""/> <angle name="shiftarray_12" value="0^^16^^0^^14" unit=""/> <angle name="shiftarray_11" value="0^^11^^0^^11" unit=""/> <angle name="shiftarray_10" value="0^^7^^0^^5" unit=""/> </depth> <depth value="3" unit="cm"> <angle name="shiftarray_14" value="0^^37^^0^^37" unit=""/> <ang(36点数解答 | 2024-10-16 11:27:54)188
- c:\python\venv\zzz\scripts\python.exe c:\python\main.py traceback (most recent call last): file "c:\users\意\appdata\local\programs\python\python311\lib\site-packages\urllib3\connection.py", line 199, in _new_conn sock = connection.create_connection( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ file "c:\users\意\appdata\local\programs\python\python311\lib\site-packages\urllib3\util\connection.py", line 85, in create_connection raise err file "c:\users\意\appdata\local\programs\python\pyt(161点数解答 | 2024-10-31 00:39:36)244
- <style>#player { margin: 1px auto; max-width: 100%; border-radius: 10px; display: block; } #xjjsp { display: none; } #ckxjj,#gbxjj { width: 100%; height: 40px; border: none; background-color: #f95491; color: #fff; margin-top: 1px; border-radius: 5px; font-size: 18px; cursor: pointer; transition: 0.2s; } #ckxjj:hover,#gbxjj:hover { background-color: #eeb4bf; } .kzsp { width: 100%; display: flex; justify-content: space-between; } .kzsp>button { border: none; height: 40px; padding: 0 30px; font-siz(35点数解答 | 2024-11-06 20:53:40)144
- 使用下列代码创建数据框,完成以下的填空题。 import numpy as np import pandas as pd index = pd.Index(data=["Tom", "Bob", "Mary", "James", "Andy", "Alice"], name="name") data = { "age": [18, 30, np.nan, 40, np.nan, 30], "city": ["Bei Jing ", "Shang Hai ", "Guang Zhou", "Shen Zhen", np.nan, " "], "income": [None, 11, 22,33, np.nan, 55], "sex": [None, "male", "female", "male", np.nan, "male"], "birth": ["2000-02-10", "1988-10-17", None, "1978-08-08", np.nan, "1988-10-17"] } (1)使用data为数据,ind(563点数解答 | 2025-04-14 18:30:52)81
- const username =pm.environment.get("username"); const password =pm.environment.get("password"); const url=`http://1.92.154.61:8800/app/common/login` const login={ url:url, method:'post', headers:{ "content-type":"application/json;charset=utf-8" }, body:{ mode:"urlencoded", urlencoded:[ {key:"username",value:"${username}"}, {key:"password",value:"${password}"} ] } } pm.sendrequest(login, function (err, response) {(419点数解答 | 2024-10-29 19:35:25)149
- const username =pm.environment.get("username"); const password =pm.environment.get("password"); const url=`http://1.92.154.61:8800/app/common/login` const login={ url:url, method:'post', headers:{ "content-type":"application/json;charset=utf-8" }, body:{ mode:"urlencoded", urlencoded:[ {key:"username",value:"${username}"}, {key:"password",value:"${password}"} ] } } pm.sendrequest(login, function (err, response) {(68点数解答 | 2024-10-29 19:35:54)166