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在實(shí)際開(kāi)發(fā)中我們經(jīng)常遇到request請(qǐng)求的中文亂碼，那么如何解決中文亂碼問(wèn)題？

方法一：對(duì)請(qǐng)求參數(shù)進(jìn)行編碼轉(zhuǎn)換

String userName=request.getParamter("userName");

userName=new String(userName.getByte("iso-8859-1"),"utf-8");

方法二：對(duì)請(qǐng)求頭進(jìn)行編碼轉(zhuǎn)換

request.setCharacterEncoding("UTF-8");

備注：該方法只對(duì)POST方式提交的數(shù)據(jù)有效，對(duì)GET方式提交的數(shù)據(jù)無(wú)效!

方法三：對(duì)tomcat服務(wù)器server.xml文件設(shè)置編碼

 <Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443" URIEncoding="UTF-8"/>

只對(duì)get請(qǐng)求有效但是對(duì)于post請(qǐng)求沒(méi)有用

SpringMVC控制器時(shí)可使用

<!-- Spring字符集過(guò)濾器 -->
<filter>
    <filter-name>SpringEncodingFilter</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>SpringEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>