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  • java乱码处理

    tomcat配置编码:

    找到tomcat目录下的conf的server.xml,在Connector节点添加URIEncoding="UTF-8"

    <Connector port="80" maxHttpHeaderSize="8192" maxThreads="150"
    minSpareThreads="25" maxSpareThreads="75" enableLookups="false"
    redirectPort="8443" acceptCount="100" connectionTimeout="20000"
    disableUploadTimeout="true"  URIEncoding="UTF-8"/>

    使用全局过滤器

    package com.bjdata.favorite.servlet;
    
    import java.io.IOException;
    
    import javax.servlet.Filter;
    import javax.servlet.FilterChain;
    import javax.servlet.FilterConfig;
    import javax.servlet.ServletException;
    import javax.servlet.ServletRequest;
    import javax.servlet.ServletResponse;
    
    public class GlobalFilter implements Filter{
        
        public void destroy() {
            
        }
    
        public void doFilter(ServletRequest request, ServletResponse response,
                FilterChain chain) throws IOException, ServletException {
            request.setCharacterEncoding("UTF-8");//设置编码
            
            chain.doFilter(request,response);
        }
    
        public void init(FilterConfig filterConfig) throws ServletException {
            
        }
    
    
    }

    配置过滤器

    <?xml version="1.0" encoding="UTF-8"?>
    <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee 
        http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
        <filter>
            <filter-name>globalFilter</filter-name>
            <filter-class>com.bjdata.favorite.servlet.GlobalFilter</filter-class>
        </filter>
        <filter-mapping>
            <filter-name>globalFilter</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>
    </web-app>

    Struts中配置编码

    <?xml version="1.0" encoding="UTF-8" ?>
    <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
    <struts>
    <constant name="struts.i18n.encoding" value="UTF-8"/>
    </struts>

    返回json时乱码:

    response.setCharacterEncoding("UTF-8");

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  • 原文地址:https://www.cnblogs.com/zhanghaoh/p/2839406.html
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