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  • Spring mvc 过滤器

    实现javax.servlet.Filter 接口  implements javax.servlet.Filter

    重写里面的方法

    package com.zhy.t502.utils;
    
    import java.io.IOException;
    
    import javax.servlet.FilterChain;
    import javax.servlet.FilterConfig;
    import javax.servlet.ServletException;
    import javax.servlet.ServletRequest;
    import javax.servlet.ServletResponse;
    
    public class Filter implements javax.servlet.Filter {
    
        public void destroy() {
            // TODO Auto-generated method stub
    
        }
    
        public void doFilter(ServletRequest arg0, ServletResponse arg1,
                FilterChain arg2) throws IOException, ServletException {
            
                arg0.setCharacterEncoding("utf-8");//UTF-8过滤器
                
                
            arg2.doFilter(arg0, arg1);//放行
            
            
        }
    
        public void init(FilterConfig arg0) throws ServletException {
            // TODO Auto-generated method stub
        }
    
    }

     然后 配置  web.xml

    <filter>
        <filter-name>utf-8</filter-name>    <!-- 名字 -->   
        <filter-class>com.zhy.t502.utils.Filter</filter-class> <!-- 文件路径 -->
    </filter>
    <filter-mapping>
        <filter-name>utf-8</filter-name>    <!-- 名字 必须跟上面一致-->
        <url-pattern>/*</url-pattern>       <!--过滤范围 -->
    </filter-mapping>
     
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  • 原文地址:https://www.cnblogs.com/shiyalong/p/4552998.html
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