这两天做一个项目jsp+hibernate+mysql,在查询的时候中文正常,但是插入中文数据的时候乱码,于是在网上找到用过滤器这个方法进行解决,jsp中用GB2312,MYSQL中也改为gb2312.写个过滤器如下:
package filter;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class CharacterEncodingFilter implements Filter...{
private FilterConfig filterConfig;
private String encoding=null;
public void init(FilterConfig filterConfig)...{
this.filterConfig=filterConfig;
encoding=filterConfig.getInitParameter("encoding");
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException ...{
request.setCharacterEncoding(encoding);
chain.doFilter(request,response);
}
public void destroy() ...{
}
}
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class CharacterEncodingFilter implements Filter...{
private FilterConfig filterConfig;
private String encoding=null;
public void init(FilterConfig filterConfig)...{
this.filterConfig=filterConfig;
encoding=filterConfig.getInitParameter("encoding");
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException ...{
request.setCharacterEncoding(encoding);
chain.doFilter(request,response);
}
public void destroy() ...{
}
}
在web.xml中加入filter:
<filter>
<filter-name>setcharacterencodingfilter</filter-name>
<filter-class>filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>GB2312</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>setcharacterencodingfilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter-name>setcharacterencodingfilter</filter-name>
<filter-class>filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>GB2312</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>setcharacterencodingfilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
这样即可解决jsp中的中文乱码问题。