404网页没有乱码，500错误网页乱码，试了gbk显示了中文，求解
来源：5-2 web.xml常用配置（下）
weixin_慕少0536252
2020-03-02 20:11:33
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
<display-name>servlet_advance</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>web</servlet-name>
<servlet-class>webXML</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>web</servlet-name>
<url-pattern>/web/*</url-pattern>
</servlet-mapping>
<context-param>
<param-name>copyright</param-name>
<param-value>@bbwan 2021</param-value>
</context-param>
<context-param>
<param-name>title</param-name>
<param-value>bbwan</param-value>
</context-param>
<!-- 指定错误页面 -->
<error-page>
<error-code>404</error-code>
<location>/error/404.html</location>
</error-page>
<error-page>
<error-code>500</error-code>
<location>/error/500.html</location>
</error-page>
</web-app>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
服务器错误
</body>
</html>
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class webXML
*/
public class webXML extends HttpServlet {
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String url=request.getRequestURL().toString();
response.setContentType("text/html;charset=utf-8");
System.out.println(url);
String id=url.substring(url.lastIndexOf("/")+1);
PrintWriter out=response.getWriter();
switch(Integer.parseInt(id)) {
case 1: out.println(id+"张三");break;
case 2: out.println(id+"李四");break;
default: out.println(id+"王五");break;
}
}
}
1回答
-
同学你好！
这说明你的页面的网页编码是gbk。所以你设置了utf-8.中文仍然是乱码。你改为gbk就可以
祝学习愉快~
1
相似问题