【为什么前台请求页面传回后台的数据是乱码？ _jetty/tomcat 】

为什么前台请求页面传回后台的数据是乱码？

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jetty/tomcat

详细描述

错误截图

源码

请求页面
<%@ page contentType="text/html;charset=UTF-8" language="java" pageEncoding="UTF-8"%>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/ html; charset=utf-8">
    <title>添加课程</title>
</head>
<body>
<form action="pojoType" method="post">
    <p>
        课程编号：<input type="text" name="id">
    </p>
    <p>
        课程名称：<input type="text" name="name">
    </p>
    <p>
        课程价格：<input type="text" name="price">
    </p>
    <p>
        讲师姓名：<input type="text" name="author.name">
    </p>
    <p>
        <input type="submit" value="提交">
    </p>
</form>
</body>
</html>
跳转表单
<%@ page contentType="text/html;charset=UTF-8" language="java" pageEncoding="UTF-8" %>
<%--不禁止在jsp2.0中使用EL语言--%>
<%@ page isELIgnored="false" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
    <title>展示数据</title>
</head>
<body>

        <table border="1" width="50%">
            <tr>
                <th>课程编号</th>
                <th>课程名称</th>
                <th>课程价格</th>
                <th>讲师姓名</th>
            </tr>
            <c:forEach var="course" items="${courses}">
                <tr>
                    <td>${course.id}</td>
                    <td>${course.name}</td>
                    <td>${course.price}</td>
                    <td>${course.author.name}</td>
                </tr>
            </c:forEach>
        </table>

</body>
</html>

D:\tomcat\apache-tomcat-9.0.16\bin\catalina.bat run
[2019-04-30 09:49:40,082] Artifact jnshuTask2:war: Waiting for server connection to start artifact deployment...
Using CATALINA_BASE:   "C:\Users\liweichuan\.IntelliJIdea2019.1\system\tomcat\Unnamed_jnshuTask2"
Using CATALINA_HOME:   "D:\tomcat\apache-tomcat-9.0.16"
Using CATALINA_TMPDIR: "D:\tomcat\apache-tomcat-9.0.16\temp"
Using JRE_HOME:        "C:\Program Files\Java\jdk1.8.0_201"
Using CLASSPATH:       "D:\tomcat\apache-tomcat-9.0.16\bin\bootstrap.jar;D:\tomcat\apache-tomcat-9.0.16\bin\tomcat-juli.jar"
Connected to the target VM, address: '127.0.0.1:9197', transport: 'socket'
30-Apr-2019 09:49:43.484 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server.服务器版本:        Apache Tomcat/9.0.16
30-Apr-2019 09:49:43.488 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server.构建:          Feb 4 2019 16:30:29 UTC
30-Apr-2019 09:49:43.488 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server version number: 9.0.16.0
30-Apr-2019 09:49:43.489 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name:               Windows 10
30-Apr-2019 09:49:43.489 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS.版本:            10.0
30-Apr-2019 09:49:43.489 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 结.造:          amd64
30-Apr-2019 09:49:43.489 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Java 环境变量:             C:\Program Files\Java\jdk1.8.0_201\jre
30-Apr-2019 09:49:43.489 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM 版本:           1.8.0_201-b09
30-Apr-2019 09:49:43.489 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM.供应商:            Oracle Corporation
30-Apr-2019 09:49:43.489 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE:         C:\Users\liweichuan\.IntelliJIdea2019.1\system\tomcat\Unnamed_jnshuTask2
30-Apr-2019 09:49:43.489 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME:         D:\tomcat\apache-tomcat-9.0.16
30-Apr-2019 09:49:43.490 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=C:\Users\liweichuan\.IntelliJIdea2019.1\system\tomcat\Unnamed_jnshuTask2\conf\logging.properties
30-Apr-2019 09:49:43.490 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
30-Apr-2019 09:49:43.490 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:9197,suspend=y,server=n
30-Apr-2019 09:49:43.491 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -javaagent:C:\Users\liweichuan\.IntelliJIdea2019.1\system\captureAgent\debugger-agent.jar
30-Apr-2019 09:49:43.491 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dfile.encoding=UTF-8
30-Apr-2019 09:49:43.492 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote=
30-Apr-2019 09:49:43.492 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.port=1099
30-Apr-2019 09:49:43.492 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.ssl=false
30-Apr-2019 09:49:43.492 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.password.file=C:\Users\liweichuan\.IntelliJIdea2019.1\system\tomcat\Unnamed_jnshuTask2\jmxremote.password
30-Apr-2019 09:49:43.493 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.access.file=C:\Users\liweichuan\.IntelliJIdea2019.1\system\tomcat\Unnamed_jnshuTask2\jmxremote.access
30-Apr-2019 09:49:43.493 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.rmi.server.hostname=127.0.0.1
30-Apr-2019 09:49:43.493 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djdk.tls.ephemeralDHKeySize=2048
30-Apr-2019 09:49:43.493 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.protocol.handler.pkgs=org.apache.catalina.webresources
30-Apr-2019 09:49:43.493 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dignore.endorsed.dirs=
30-Apr-2019 09:49:43.493 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=C:\Users\liweichuan\.IntelliJIdea2019.1\system\tomcat\Unnamed_jnshuTask2
30-Apr-2019 09:49:43.494 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=D:\tomcat\apache-tomcat-9.0.16
30-Apr-2019 09:49:43.494 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=D:\tomcat\apache-tomcat-9.0.16\temp
30-Apr-2019 09:49:43.494 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent Loaded APR based Apache Tomcat Native library [1.2.21] using APR version [1.6.5].
30-Apr-2019 09:49:43.494 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
30-Apr-2019 09:49:43.494 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR/OpenSSL configuration: useAprConnector [false], useOpenSSL [true]
30-Apr-2019 09:49:43.502 信息 [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL successfully initialized [OpenSSL 1.1.1a  20 Nov 2018]
30-Apr-2019 09:49:43.784 信息 [main] org.apache.coyote.AbstractProtocol.init 初始化协议处理器 ["http-nio-8080"]
30-Apr-2019 09:49:43.852 信息 [main] org.apache.coyote.AbstractProtocol.init 初始化协议处理器 ["ajp-nio-8009"]
30-Apr-2019 09:49:43.860 信息 [main] org.apache.catalina.startup.Catalina.load 服务器在[1,399]毫秒内初始化
30-Apr-2019 09:49:43.993 信息 [main] org.apache.catalina.core.StandardService.startInternal Starting service [Catalina]
30-Apr-2019 09:49:43.993 信息 [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/9.0.16]
30-Apr-2019 09:49:44.017 信息 [main] org.apache.coyote.AbstractProtocol.start 开始协议处理句柄["http-nio-8080"]
30-Apr-2019 09:49:44.038 信息 [main] org.apache.coyote.AbstractProtocol.start 开始协议处理句柄["ajp-nio-8009"]
30-Apr-2019 09:49:44.048 信息 [main] org.apache.catalina.startup.Catalina.start Server startup in [187] milliseconds
Connected to server
[2019-04-30 09:49:44,457] Artifact jnshuTask2:war: Artifact is being deployed, please wait...
30-Apr-2019 09:49:48.166 信息 [RMI TCP Connection(3)-127.0.0.1] org.apache.jasper.servlet.TldScanner.scanJars 至少有一个JAR被扫描用于TLD但尚未包含TLD。 为此记录器启用调试日志记录，以获取已扫描但未在其中找到TLD的完整JAR列表。 在扫描期间跳过不需要的JAR可以缩短启动时间和JSP编译时间。
[2019-04-30 09:49:49,074] Artifact jnshuTask2:war: Artifact is deployed successfully
[2019-04-30 09:49:49,074] Artifact jnshuTask2:war: Deploy took 4,617 milliseconds
30-Apr-2019 09:49:54.033 信息 [Catalina-utility-2] org.apache.catalina.startup.HostConfig.deployDirectory 把web 应用程序部署到目录 [D:\tomcat\apache-tomcat-9.0.16\webapps\manager]
30-Apr-2019 09:49:54.515 信息 [Catalina-utility-2] org.apache.jasper.servlet.TldScanner.scanJars 至少有一个JAR被扫描用于TLD但尚未包含TLD。 为此记录器启用调试日志记录，以获取已扫描但未在其中找到TLD的完整JAR列表。 在扫描期间跳过不需要的JAR可以缩短启动时间和JSP编译时间。
30-Apr-2019 09:49:54.609 信息 [Catalina-utility-2] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [D:\tomcat\apache-tomcat-9.0.16\webapps\manager] has finished in [576] ms
30-Apr-2019 09:50:36.753 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.DispatcherServlet.initServletBean FrameworkServlet 'SpringMVC': initialization started
30-Apr-2019 09:50:36.815 信息 [http-nio-8080-exec-6] org.springframework.web.context.support.XmlWebApplicationContext.prepareRefresh Refreshing WebApplicationContext for namespace 'SpringMVC-servlet': startup date [Tue Apr 30 09:50:36 CST 2019]; root of context hierarchy
30-Apr-2019 09:50:36.926 信息 [http-nio-8080-exec-6] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from class path resource [springmvc.xml]
30-Apr-2019 09:50:38.267 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/mapTest] onto handler 'annotationHandler'
30-Apr-2019 09:50:38.268 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/mapTest.*] onto handler 'annotationHandler'
30-Apr-2019 09:50:38.269 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/mapTest/] onto handler 'annotationHandler'
30-Apr-2019 09:50:38.269 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/modelTest] onto handler 'annotationHandler'
30-Apr-2019 09:50:38.270 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/modelTest.*] onto handler 'annotationHandler'
30-Apr-2019 09:50:38.272 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/modelTest/] onto handler 'annotationHandler'
30-Apr-2019 09:50:38.274 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/modelAndViewTest] onto handler 'annotationHandler'
30-Apr-2019 09:50:38.275 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/modelAndViewTest.*] onto handler 'annotationHandler'
30-Apr-2019 09:50:38.278 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/modelAndViewTest/] onto handler 'annotationHandler'
30-Apr-2019 09:50:38.283 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/pojoType] onto handler 'dataBindController'
30-Apr-2019 09:50:38.284 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/pojoType.*] onto handler 'dataBindController'
30-Apr-2019 09:50:38.284 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/pojoType/] onto handler 'dataBindController'
30-Apr-2019 09:50:38.285 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/arrayType] onto handler 'testController'
30-Apr-2019 09:50:38.285 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/arrayType.*] onto handler 'testController'
30-Apr-2019 09:50:38.285 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping.registerHandler Mapped URL path [/arrayType/] onto handler 'testController'
30-Apr-2019 09:50:38.611 信息 [http-nio-8080-exec-6] org.springframework.web.servlet.DispatcherServlet.initServletBean FrameworkServlet 'SpringMVC': initialization completed in 1857 ms
Course(id=1, name=java缂栫▼, price=98.0, author=Author(id=0, name=灏忛┈鍝�))

编辑于2025-04-18