恳请各位大侠帮忙:
我的jsp代码(hello_result.jsp)如下:<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%
request.setCharacterEncoding("GBK");
String shuru=request.getParameter("hello");
out.print(shuru);%> 其他没用的我省略啦
hello.jsp代码如下: <%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<body>
<form action="hello_result.jsp" name="form1" mothod="post">
<input type="text" name="hello">
<input type="submit" name="submit" value="提交">
</form>
</body>
过滤器代码(EncodingFilter.java)如下:/**
*
*/
package filter;/**
* @author wangzhiguo
*
*/
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.http.HttpServletRequest;public class EncodingFilter implements Filter{ private String encoding = "gb2312";
FilterConfig config ;
public void destroy() {
this.config=null;
} public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2) throws IOException, ServletException {
HttpServletRequest req=(HttpServletRequest)arg0;
req.setCharacterEncoding(encoding);
arg2.doFilter(arg0, arg1);
} public void init(FilterConfig arg0) throws ServletException {
this.config=arg0;
this.encoding=config.getInitParameter("encoding");
}
public void setFilterConfig(final FilterConfig filterConfig)
{
this.config=filterConfig;
}
}
web.xml配置如下: <filter>
<filter-name>EncodingFilter</filter-name>
<filter-class>filter.EncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>gb2312</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>EncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
输入汉字提交的时候总是乱码,请各位大侠帮忙指正
我的jsp代码(hello_result.jsp)如下:<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%
request.setCharacterEncoding("GBK");
String shuru=request.getParameter("hello");
out.print(shuru);%> 其他没用的我省略啦
hello.jsp代码如下: <%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<body>
<form action="hello_result.jsp" name="form1" mothod="post">
<input type="text" name="hello">
<input type="submit" name="submit" value="提交">
</form>
</body>
过滤器代码(EncodingFilter.java)如下:/**
*
*/
package filter;/**
* @author wangzhiguo
*
*/
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.http.HttpServletRequest;public class EncodingFilter implements Filter{ private String encoding = "gb2312";
FilterConfig config ;
public void destroy() {
this.config=null;
} public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2) throws IOException, ServletException {
HttpServletRequest req=(HttpServletRequest)arg0;
req.setCharacterEncoding(encoding);
arg2.doFilter(arg0, arg1);
} public void init(FilterConfig arg0) throws ServletException {
this.config=arg0;
this.encoding=config.getInitParameter("encoding");
}
public void setFilterConfig(final FilterConfig filterConfig)
{
this.config=filterConfig;
}
}
web.xml配置如下: <filter>
<filter-name>EncodingFilter</filter-name>
<filter-class>filter.EncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>gb2312</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>EncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
输入汉字提交的时候总是乱码,请各位大侠帮忙指正
楼主【wangzgwf】截止到2008-06-24 12:13:10的历史汇总数据(不包括此帖):
发帖数:10 发帖分:230
结贴数:10 结贴分:230
未结数:0 未结分:0
结贴率:100.00% 结分率:100.00%
敬礼!
用 new String("你要转化的字符串".getByte("iso8859-1"),"gbk"); 来解决吧
具体的编码方式你自己定
例 new String("你要转化的字符串".getByte("gbk"),"iso8859-1");
request.setCharacterEncoding("GBK");
String shuru=request.getParameter("hello");
out.print(shuru); %> 其他没用的我省略啦 有过渡器,这些就省.最好统一编码!
没什么说的了,你看看这个吧,
JSP中,在接受request的中文字符时,显示出来的是乱码,JSP中含客户提交的含有汉字的数据,要采用特殊的处理方式,先将得到的字符串用ISO-8895-1编码,并放到一个字节数组中,再用String类的构造函数将其转换为字符串对象,
String tempstr=request.getParameter("str"); byte[] tb=tempstr.getBytes("ISO-8859-1"); tempstr=new String(tb);另外,为了方便使用,我们可以将其放在一个类里,或直接定义在jsp页面里,例1:
public String codeToString(String str){ String s=str; try{ byte[] tb=s.getBytes("ISO-8859-1"); s=new String(tb); return s; } catch(Exception e){ return s; } } 例2:
public static String gbkToIso(String str) { try { return new String(str.getBytes("GBK"), "ISO-8859-1"); } catch (UnsupportedEncodingException e) { return ""; } catch (Exception e) { return ""; } } 另外还有情况是JSP之间的参数传递,当参数为中文时,会出现接收到的相应参数为空的情况如:../test.jsp?name="参数1"&deals="test" 可以发现,name没有传过去,而deals可以正常传过去,解决这种情况的方法为先将中文转码: name=URLEncoder.encode(name,"utf-8"); 在接收的jsp中,将转码的中文解码: String name=URLDecoder.decode(request.getParameter("name"),"utf-8");
改一下这:
public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2) throws IOException, ServletException {
HttpServletRequest req=(HttpServletRequest)arg0;
req.setCharacterEncoding(encoding);
arg1.setCharacterEncoding(encoding);
arg2.doFilter(arg0, arg1);
}