一、Include的页面乱码
现象:include进来的页面出现乱码,其它页面正常。
原因:Tomcat在缺省情况下使用ISO-8859-1编码,但是在include时有时Tomcat不能正确根据外层.jsp文件的编码解析include进来的文件,造成include进来的文件中的中文乱码。
解决:这儿可以有很多解决办法,但是对于我们的中文环境,从根本上的解决办法是将Tomcat 5.0.19的核心缺省编码从ISO-8859-1修改为GBK 。可以在下面地址下载修改过的jar文件,
jasper-compiler.jar,jasper-runtime.jar位于/common/lib下,其它位于/server/lib下,将新的.jar文件替代原.jar即可。
二、提交的数据乱码
现象:通过表单提交的数据出现乱码。
原因:原因未明。可能是Tomcat在接收到请求后,并没有能够根据request中的信息提前正确的编码方式。
解决:可以添加一个设置字符集的Filter。
package filters;
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; import javax.servlet.UnavailableException;
public class SetCharacterEncodingFilter implements Filter { protected String encoding = null; protected FilterConfig filterConfig = null; protected boolean ignore = true;
public void destroy() { this.encoding = null; this.filterConfig = null; }
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
// Conditionally select and set the character encoding to be used if (ignore || (request.getCharacterEncoding() == null)) { String encoding = selectEncoding(request); if (encoding != null) request.setCharacterEncoding(encoding); }
// Pass control on to the next filter chain.doFilter(request, response);
}
public void init(FilterConfig filterConfig) throws ServletException {
this.filterConfig = filterConfig; this.encoding = filterConfig.getInitParameter("encoding"); String value = filterConfig.getInitParameter("ignore"); if (value == null) this.ignore = true; else if (value.equalsIgnoreCase("true")) this.ignore = true; else if (value.equalsIgnoreCase("yes")) this.ignore = true; else this.ignore = false;
}
protected String selectEncoding(ServletRequest request) { return (this.encoding); }
} |
配置web.xml
<filter> <filter-name>Set Character Encoding</filter-name> <filter-class>filters.SetCharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>GBK</param-value> </init-param> </filter>
<filter-mapping> <filter-name>Set Character Encoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> |
现象:include进来的页面出现乱码,其它页面正常。
原因:Tomcat在缺省情况下使用ISO-8859-1编码,但是在include时有时Tomcat不能正确根据外层.jsp文件的编码解析include进来的文件,造成include进来的文件中的中文乱码。
解决:这儿可以有很多解决办法,但是对于我们的中文环境,从根本上的解决办法是将Tomcat 5.0.19的核心缺省编码从ISO-8859-1修改为GBK 。可以在下面地址下载修改过的jar文件,
jasper-compiler.jar,jasper-runtime.jar位于/common/lib下,其它位于/server/lib下,将新的.jar文件替代原.jar即可。
二、提交的数据乱码
现象:通过表单提交的数据出现乱码。
原因:原因未明。可能是Tomcat在接收到请求后,并没有能够根据request中的信息提前正确的编码方式。
解决:可以添加一个设置字符集的Filter。
package filters;
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; import javax.servlet.UnavailableException;
public class SetCharacterEncodingFilter implements Filter { protected String encoding = null; protected FilterConfig filterConfig = null; protected boolean ignore = true;
public void destroy() { this.encoding = null; this.filterConfig = null; }
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
// Conditionally select and set the character encoding to be used if (ignore || (request.getCharacterEncoding() == null)) { String encoding = selectEncoding(request); if (encoding != null) request.setCharacterEncoding(encoding); }
// Pass control on to the next filter chain.doFilter(request, response);
}
public void init(FilterConfig filterConfig) throws ServletException {
this.filterConfig = filterConfig; this.encoding = filterConfig.getInitParameter("encoding"); String value = filterConfig.getInitParameter("ignore"); if (value == null) this.ignore = true; else if (value.equalsIgnoreCase("true")) this.ignore = true; else if (value.equalsIgnoreCase("yes")) this.ignore = true; else this.ignore = false;
}
protected String selectEncoding(ServletRequest request) { return (this.encoding); }
} |
配置web.xml
<filter> <filter-name>Set Character Encoding</filter-name> <filter-class>filters.SetCharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>GBK</param-value> </init-param> </filter>
<filter-mapping> <filter-name>Set Character Encoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> |
]]>
posted on 2005-09-02 10:09
Sung 阅读(417)
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