CAS(单点登录) 引起的乱码问题

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问题描述:

最近出差项目出现了一个非常闹心的乱码问题,就是一个页面里的表单数据提交到后台会有个别字段出现乱码。这个问题找了很久,一般的乱码处理方法都用了但就是解决不掉问题。
经过无数遍的测试修改发现项目在测试环境没有乱码,部署到服务器上就出现乱码。进一步测试发现关掉正式环境的单点登录后也没有出现乱码。

结论:

因为项目集成CAS单点登录,出现乱码问题。修改Tomcat编码,不起作用;WEB.XML配置字符集过滤filter不起作用,想来想去,问题可能出现在CAS上。
最后确定原来是字符过滤filter配置在了CAS的下面。

修改为如下即可:

<!-- 设置字符集应在CAS前面,否则可能会引起后面的乱码问题 -->
<filter>
    <filter-name>encodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
        <param-name>encoding</param-name>
        <param-value>UTF-8</param-value>
    </init-param>
    <init-param>
        <param-name>forceEncoding</param-name>
        <param-value>true</param-value>
    </init-param>
</filter>
<filter-mapping>
    <filter-name>encodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

<!-- 单点登录  -->
<!--该过滤器用于实现单点登出功能,可选配置。 -->
<filter>
    <filter-name>CASSingle Sign OutFilter</filter-name>
    <filter-class>org.jasig.cas.client.session.SingleSignOutFilter</filter-class>
    <init-param>
        <param-name>casServerUrlPrefix</param-name>
        <param-value>https://dev.com/cas</param-value>
    </init-param>
</filter>
<filter-mapping>
    <filter-name>CASSingle Sign OutFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>
<!--用于单点退出,该过滤器用于实现单点登出功能,可选配置 -->
<listener>
    <listener-class>org.jasig.cas.client.session.SingleSignOutHttpSessionListener</listener-class>
</listener>

<filter>
    <filter-name>CAS Authentication Filter</filter-name>
    <filter-class>org.jasig.cas.client.authentication.AuthenticationFilter</filter-class>
    <init-param>
        <param-name>casServerLoginUrl</param-name>
        <param-value>https://dev.com/cas/login</param-value>
    </init-param>
    <init-param>
        <param-name>serverName</param-name>
        <param-value>https://dev.com/tweb</param-value>
    </init-param>
</filter>

<filter>
    <filter-name>CAS Validation Filter</filter-name>
    <filter-class>org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter</filter-class>
    <init-param>
        <param-name>casServerUrlPrefix</param-name>
        <param-value>https://dev.com/cas</param-value>
    </init-param>
    <init-param>
        <param-name>serverName</param-name>
        <param-value>https://dev.com</param-value>
    </init-param>
</filter>

<filter>
    <filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>
    <filter-class>org.jasig.cas.client.util.HttpServletRequestWrapperFilter</filter-class>
</filter>

<filter-mapping>
    <filter-name>CAS Validation Filter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

<filter-mapping>
    <filter-name>CAS Authentication Filter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

<filter-mapping>
    <filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

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转载自blog.csdn.net/Carrots_vegetables/article/details/82632485