web网页中文变成乱码

碰到一个问题，在web页面上面中文变成乱码，也不是所有中文，只是在jscript文件中的中文都变成了乱码：
当时解决步骤比较凌乱，也不知道哪个是真正生效，不过问题是解决了。
记录如下
1.
tomcat:server.xml
<Connector port="10005" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="18443"  URIEncoding="UTF-8" useBodyEncodingForURI="true"/>
2.
.bashrc
LANG=zh_CN.UTF-8
LC_CTYPE=zh_CN.UTF-8
LC_NUMERIC=en_US.UTF-8
LC_TIME=en_US.UTF-8
LC_COLLATE=zh_CN.UTF-8
LC_MONETARY=en_US.UTF-8
LC_MESSAGES=zh_CN.UTF-8
LC_PAPER=en_US.UTF-8
LC_NAME=en_US.UTF-8
LC_ADDRESS=en_US.UTF-8
LC_TELEPHONE=en_US.UTF-8
LC_MEASUREMENT=en_US.UTF-8
LC_IDENTIFICATION=en_US.UTF-8
LC_ALL=
3.
web.xml
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext-mvc.xml</param-value>
</init-param>
<init-param>
<param-name>fileEncoding</param-name>
<param-value>utf-8</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
4.
web.xml
<filter>
<filter-name>CharsetFilter</filter-name>
<filter-class>com.deepblue.backend.management.filter.CharsetFilter</filter-class>
<init-param>
<param-name>requestEncoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>

public class CharsetFilter implements Filter {

    private String encoding;

    public void init(FilterConfig config) throws ServletException {
        encoding = config.getInitParameter("requestEncoding");
        if (encoding == null) encoding = "UTF-8";
    }

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain next)
            throws IOException, ServletException {
        // Respect the client-specified character encoding
        // (see HTTP specification section 3.4.1)
        if (null == request.getCharacterEncoding()) {
            request.setCharacterEncoding(encoding);
        }

        // Set the default response content type and encoding
        response.setContentType("text/html; charset=UTF-8");
        response.setCharacterEncoding("UTF-8");

        next.doFilter(request, response);
    }

    public void destroy() {
    }
}
5. 记得别忘记强制刷新网页