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老师出现以下报错:查看了一些解决方法,说可以在open文件时加encoding=gbk,但是askopenfile的参数中没有编码这个参数,请问怎么解决

UnicodeDecodeError: 'gbk' codec can't decode byte 0x80 in position 8: illegal multibyte sequence

#coding=cp936
from tkinter import *
from tkinter.filedialog import *
from tkinter.colorchooser import *


class Application(Frame):
    def __init__(self, master=None):
        super(Application, self).__init__(master)
        self.master = master
        self.filename = None
        self.nt = None
        self.pack()
        self.notebook()

    def notebook(self):
        self.nt = Text(self.master, width=100, height=30, font=("黑体", 20))
        self.nt.pack()
        mainmenu = Menu(self.master)
        menu1 = Menu(mainmenu, tearoff=0)
        menu2 = Menu(mainmenu, tearoff=0)
        menu3 = Menu(mainmenu, tearoff=0)
        menu4 = Menu(mainmenu, tearoff=0)
        self.master["menu"] = mainmenu
        mainmenu.add_cascade(label="文件", menu=menu1)
        mainmenu.add_cascade(label="编辑", menu=menu2)
        mainmenu.add_cascade(label="工具", menu=menu3)
        mainmenu.add_cascade(label="帮助", menu=menu4)

        menu1.add_command(label="新建", accelerator="ctrl+n", command=self.newfile)
        menu1.add_command(label="打开", accelerator="ctrl+o", command=self.openfile)
        menu1.add_command(label="保存", accelerator="ctrl+s", command=self.savefile)
        menu1.add_separator()
        menu1.add_command(label="退出", accelerator="ctrl+q", command=self.quit)
        menu3.add_command(label="颜色选择", command=self.opencolor)

    def newfile(self):
        pass

    def openfile(self):
        with askopenfile(title="打开文件", initialdir="D:/", filetypes=[("文本文档", ".txt")]) as f:
            self.nt.insert(INSERT, f.read())
            self.filename = f.name
            print(self.filename)
            print(f)

    def savefile(self):
        pass

    def quit(self):
        self.master.quit()

    def opencolor(self):
        pass


if __name__ == '__main__':
    root = Tk()
    root.title("测试菜单")
    # root.geometry("200x200+200+200")
    Application(master=root)
    root.mainloop()

image.png

Python 全系列/第二阶段:Python 深入与提高/GUI编程(隐藏) 27766楼
JAVA 全系列/第一阶段:JAVA 快速入门/变量、数据类型、运算符 27767楼

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>第一部分</title>
    <link rel="stylesheet" href="css/bootstrap.min.css" />
    <script src="js/bootstrap.min.js"></script>
    <script src="js/jquery-1.12.4.min.js"></script>
</head>
<body>

<div class="card" style="width: 18rem;">
    <img src="img/壁纸5.jpg" class="card-img-top" alt="...">
    <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <h6 class="card-subtitle mb-2 text-muted">Card subtitle</h6>
        <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
        <a href="#" class="btn btn-primary">Go somewhere</a>
    </div>
    <div class="card-header">
        Featured
    </div>
    <ul class="list-group list-group-flush">
        <li class="list-group-item">Cras justo odio</li>
        <li class="list-group-item">Dapibus ac facilisis in</li>
        <li class="list-group-item">Vestibulum at eros</li>
    </ul>
    <div class="card-body">
        <a href="#" class="card-link">Card link</a>
        <a href="#" class="card-link">Another link</a>
    </div>
</div>

<div class="container">
    <div id="carouselExampleInterval" class="carousel slide" data-ride="carousel">
        <div class="carousel-inner">
            <div class="carousel-item active" data-interval="10000">
                <img src="img/壁纸2.jpg" class="d-block w-100" alt="...">
            </div>
            <div class="carousel-item" data-interval="2000">
                <img src="img/壁纸3.jpg" class="d-block w-100" alt="...">
            </div>
            <div class="carousel-item">
                <img src="img/壁纸5.jpg" class="d-block w-100" alt="...">
            </div>
        </div>
        <a class="carousel-control-prev" href="#carouselExampleInterval" role="button" data-slide="prev">
            <span class="carousel-control-prev-icon" aria-hidden="true"></span>
            <span class="sr-only">Previous</span>
        </a>
        <a class="carousel-control-next" href="#carouselExampleInterval" role="button" data-slide="next">
            <span class="carousel-control-next-icon" aria-hidden="true"></span>
            <span class="sr-only">Next</span>
        </a>
    </div>
</div>
<script>
    $('.carousel').carousel();
</script>

</body>
</html>

想问下我的轮播图出不来效果,是哪里有问题的呢

WEB前端全系列/第四阶段:BootStrap框架模块/BootStrap4组件 27768楼
JAVA 全系列/第一阶段:JAVA 快速入门/控制语句、方法、递归算法 27769楼
WEB前端全系列/第四阶段:BootStrap框架模块/BootStrap4组件 27771楼
JAVA 全系列/第二阶段:JAVA 基础深化和提高/手写服务器项目(旧) 27776楼
Python 全系列/第十五阶段:Python 爬虫开发/scrapy框架使用(旧) 27778楼

昨天晚上启动的provider还好好地,今天怎么突然报这个错了,之前也是的,我只好重新建了一个项目就又好了,今天又是这样 

16:08:42.474 [main] DEBUG org.springframework.boot.diagnostics.FailureAnalyzers - FailureAnalyzer org.springframework.boot.diagnostics.analyzer.ValidationExceptionFailureAnalyzer@351d00c0 failed

java.lang.NoClassDefFoundError: javax/validation/ValidationException

at org.springframework.boot.diagnostics.analyzer.ValidationExceptionFailureAnalyzer.analyze(ValidationExceptionFailureAnalyzer.java:31)

at org.springframework.boot.diagnostics.AbstractFailureAnalyzer.analyze(AbstractFailureAnalyzer.java:35)

at org.springframework.boot.diagnostics.FailureAnalyzers.analyze(FailureAnalyzers.java:118)

at org.springframework.boot.diagnostics.FailureAnalyzers.reportException(FailureAnalyzers.java:111)

at org.springframework.boot.SpringApplication.reportFailure(SpringApplication.java:846)

at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:821)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:336)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1309)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1298)

at com.bjsxt.springbootdubbo_provider.SpringbootdubboProviderApplication.main(SpringbootdubboProviderApplication.java:10)

Caused by: java.lang.ClassNotFoundException: javax.validation.ValidationException

at java.net.URLClassLoader.findClass(URLClassLoader.java:381)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

... 10 common frames omitted

16:08:42.478 [main] DEBUG org.springframework.boot.diagnostics.FailureAnalyzers - FailureAnalyzer org.springframework.boot.diagnostics.analyzer.PatternParseFailureAnalyzer@48f2bd5b failed

java.lang.NoClassDefFoundError: org/springframework/web/util/pattern/PatternParseException

at org.springframework.boot.diagnostics.analyzer.PatternParseFailureAnalyzer.analyze(PatternParseFailureAnalyzer.java:29)

at org.springframework.boot.diagnostics.AbstractFailureAnalyzer.analyze(AbstractFailureAnalyzer.java:35)

at org.springframework.boot.diagnostics.FailureAnalyzers.analyze(FailureAnalyzers.java:118)

at org.springframework.boot.diagnostics.FailureAnalyzers.reportException(FailureAnalyzers.java:111)

at org.springframework.boot.SpringApplication.reportFailure(SpringApplication.java:846)

at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:821)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:336)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1309)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1298)

at com.bjsxt.springbootdubbo_provider.SpringbootdubboProviderApplication.main(SpringbootdubboProviderApplication.java:10)

Caused by: java.lang.ClassNotFoundException: org.springframework.web.util.pattern.PatternParseException

at java.net.URLClassLoader.findClass(URLClassLoader.java:381)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

... 10 common frames omitted

16:08:42.478 [main] DEBUG org.springframework.boot.diagnostics.FailureAnalyzers - FailureAnalyzer org.springframework.boot.liquibase.LiquibaseChangelogMissingFailureAnalyzer@7b2bbc3 failed

java.lang.NoClassDefFoundError: liquibase/exception/ChangeLogParseException

at org.springframework.boot.liquibase.LiquibaseChangelogMissingFailureAnalyzer.analyze(LiquibaseChangelogMissingFailureAnalyzer.java:33)

at org.springframework.boot.diagnostics.AbstractFailureAnalyzer.analyze(AbstractFailureAnalyzer.java:35)

at org.springframework.boot.diagnostics.FailureAnalyzers.analyze(FailureAnalyzers.java:118)

at org.springframework.boot.diagnostics.FailureAnalyzers.reportException(FailureAnalyzers.java:111)

at org.springframework.boot.SpringApplication.reportFailure(SpringApplication.java:846)

at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:821)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:336)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1309)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1298)

at com.bjsxt.springbootdubbo_provider.SpringbootdubboProviderApplication.main(SpringbootdubboProviderApplication.java:10)

Caused by: java.lang.ClassNotFoundException: liquibase.exception.ChangeLogParseException

at java.net.URLClassLoader.findClass(URLClassLoader.java:381)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

... 10 common frames omitted

16:08:42.482 [main] DEBUG org.springframework.boot.diagnostics.FailureAnalyzers - FailureAnalyzer org.springframework.boot.autoconfigure.jdbc.HikariDriverConfigurationFailureAnalyzer@235834f2 failed

java.lang.NoClassDefFoundError: org/springframework/jdbc/CannotGetJdbcConnectionException

at org.springframework.boot.autoconfigure.jdbc.HikariDriverConfigurationFailureAnalyzer.analyze(HikariDriverConfigurationFailureAnalyzer.java:29)

at org.springframework.boot.diagnostics.AbstractFailureAnalyzer.analyze(AbstractFailureAnalyzer.java:35)

at org.springframework.boot.diagnostics.FailureAnalyzers.analyze(FailureAnalyzers.java:118)

at org.springframework.boot.diagnostics.FailureAnalyzers.reportException(FailureAnalyzers.java:111)

at org.springframework.boot.SpringApplication.reportFailure(SpringApplication.java:846)

at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:821)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:336)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1309)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1298)

at com.bjsxt.springbootdubbo_provider.SpringbootdubboProviderApplication.main(SpringbootdubboProviderApplication.java:10)

Caused by: java.lang.ClassNotFoundException: org.springframework.jdbc.CannotGetJdbcConnectionException

at java.net.URLClassLoader.findClass(URLClassLoader.java:381)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

... 10 common frames omitted

16:08:42.482 [main] ERROR org.springframework.boot.SpringApplication - Application run failed

org.yaml.snakeyaml.error.YAMLException: java.nio.charset.MalformedInputException: Input length = 1

at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:218)

at org.yaml.snakeyaml.reader.StreamReader.ensureEnoughData(StreamReader.java:176)

at org.yaml.snakeyaml.reader.StreamReader.ensureEnoughData(StreamReader.java:171)

at org.yaml.snakeyaml.reader.StreamReader.peek(StreamReader.java:126)

at org.yaml.snakeyaml.scanner.ScannerImpl.scanToNextToken(ScannerImpl.java:1177)

at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:287)

at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:227)

at org.yaml.snakeyaml.parser.ParserImpl$ParseImplicitDocumentStart.produce(ParserImpl.java:195)

at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:158)

at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:148)

at org.yaml.snakeyaml.composer.Composer.checkNode(Composer.java:82)

at org.yaml.snakeyaml.constructor.BaseConstructor.checkData(BaseConstructor.java:123)

at org.yaml.snakeyaml.Yaml$1.hasNext(Yaml.java:507)

at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:200)

at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:164)

at org.springframework.boot.env.OriginTrackedYamlLoader.load(OriginTrackedYamlLoader.java:84)

at org.springframework.boot.env.YamlPropertySourceLoader.load(YamlPropertySourceLoader.java:50)

at org.springframework.boot.context.config.StandardConfigDataLoader.load(StandardConfigDataLoader.java:45)

at org.springframework.boot.context.config.StandardConfigDataLoader.load(StandardConfigDataLoader.java:34)

at org.springframework.boot.context.config.ConfigDataLoaders.load(ConfigDataLoaders.java:102)

at org.springframework.boot.context.config.ConfigDataImporter.load(ConfigDataImporter.java:118)

at org.springframework.boot.context.config.ConfigDataImporter.resolveAndLoad(ConfigDataImporter.java:82)

at org.springframework.boot.context.config.ConfigDataEnvironmentContributors.withProcessedImports(ConfigDataEnvironmentContributors.java:118)

at org.springframework.boot.context.config.ConfigDataEnvironment.processInitial(ConfigDataEnvironment.java:230)

at org.springframework.boot.context.config.ConfigDataEnvironment.processAndApply(ConfigDataEnvironment.java:217)

at org.springframework.boot.context.config.ConfigDataEnvironmentPostProcessor.postProcessEnvironment(ConfigDataEnvironmentPostProcessor.java:88)

at org.springframework.boot.context.config.ConfigDataEnvironmentPostProcessor.postProcessEnvironment(ConfigDataEnvironmentPostProcessor.java:80)

at org.springframework.boot.env.EnvironmentPostProcessorApplicationListener.onApplicationEnvironmentPreparedEvent(EnvironmentPostProcessorApplicationListener.java:100)

at org.springframework.boot.env.EnvironmentPostProcessorApplicationListener.onApplicationEvent(EnvironmentPostProcessorApplicationListener.java:86)

at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:203)

at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:196)

at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:170)

at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:148)

at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:82)

at org.springframework.boot.SpringApplicationRunListeners.lambda$environmentPrepared$2(SpringApplicationRunListeners.java:63)

at java.util.ArrayList.forEach(ArrayList.java:1249)

at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:117)

at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:111)

at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:62)

at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:362)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:320)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1309)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1298)

at com.bjsxt.springbootdubbo_provider.SpringbootdubboProviderApplication.main(SpringbootdubboProviderApplication.java:10)

Caused by: java.nio.charset.MalformedInputException: Input length = 1

at java.nio.charset.CoderResult.throwException(CoderResult.java:281)

at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:339)

at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)

at java.io.InputStreamReader.read(InputStreamReader.java:184)

at org.yaml.snakeyaml.reader.UnicodeReader.read(UnicodeReader.java:125)

at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:183)

... 43 common frames omitted


JAVA 全系列/第十一阶段:分布式RPC调用和分布式文件存储/Dubbo 27779楼
WEB前端全系列/第三阶段:jQuery编程模块/jQuery基础知识(旧) 27780楼

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