我在jsp的页面中有一个<input type="text" name="name" id="name"/> 然后post方式提交到action,在action中String name接收,但name却是乱码,如何解决?环境:tomcat6+jdk1.6+myeclipse6.5+struts2 我已试过如下方法:
1、在jsp页面中加<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
2、把java改成utf-8
1、在jsp页面中加<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
2、把java改成utf-8
做个过滤器。。统一utf-8
js提交的话重新编码一下
一般不会出现乱码了
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
</filter> <filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>通过这个sturts filter后,在这个struts filter之前或之后配置都是发现处理乱码的filter不起作用,所以编写拦截器还是个不错的解决乱码的方式。1、编写自定义 EncodingIntereptor拦截器import java.io.UnsupportedEncodingException;
import java.util.Iterator;import javax.servlet.http.HttpServletRequest;import org.apache.struts2.StrutsStatics;import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.AbstractInterceptor;public class EncodingInterceptor extends AbstractInterceptor { /**
* Struts2编码拦截器
*/
@Override
public String intercept(ActionInvocation arg0) throws Exception {
// TODO Auto-generated method stub
ActionContext actionContext = arg0.getInvocationContext();
HttpServletRequest request= (HttpServletRequest) actionContext.get(StrutsStatics.HTTP_REQUEST);
System.out.println("Encoding Intercept...");
/**
* 此方法体对GET 和 POST方法均可
*/
if( request.getMethod().compareToIgnoreCase("post")>=0){
try {
request.setCharacterEncoding("GBK");
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}else{
Iterator iter=request.getParameterMap().values().iterator();
while(iter.hasNext())
{
String[] parames=(String[])iter.next();
for (int i = 0; i < parames.length; i++) {
try {
parames[i]=new String(parames[i].getBytes("iso8859-1"),"GBK");//此处GBK与页面编码一样
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
}
}
return arg0.invoke();
}}
2、Struts.xml配置<package>下注册拦截器: <interceptors>
<interceptor name="Encoding" class="com.disaster.util.EncodingInterceptor"></interceptor>
<interceptor-stack name="Encode">
<interceptor-ref name="Encoding"></interceptor-ref>
<interceptor-ref name="defaultStack"></interceptor-ref><!-- 必须引入这个,否则request不会再往下传-->
</interceptor-stack>
</interceptors>3、使用拦截器,可将其设为默认的拦截器
<default-interceptor-ref name="Encode"></default-interceptor-ref> 4、页面编码和页面字符编码跟设为"UTF-8"。如果页面是其它编码,将拦截器中重编码部分改一下即可。
如果图片或页面不能正常显示请点击这里 在网上找了这了一个,设了utf-8,但还是乱码,没解决!!!
request.setCharacterEncoding("GBK");
<filter>
<filter-name>CharacterEncodingFilter</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>服务器中server.xml中 设置 URIEncoding="UTF-8" 试试
java.lang.ClassNotFoundException: org.springframework.web.filter.CharacterEncodingFilter
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:269)
at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422)
at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115)
at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4072)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4726)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1079)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1002)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:506)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
at org.apache.catalina.core.StandardService.start(StandardService.java:525)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
{ public void destroy()
{
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException
{
request.setCharacterEncoding("UTF-8");
chain.doFilter(request,response);
} public void init(FilterConfig arg0) throws ServletException
{
}}
<filter-name>encoding</filter-name>
<filter-class>
com.shfft.filter.EncodingFilter
</filter-class>
</filter>
web.xml
解决办法:servlet:resp.setContentType("text/html;charset=gbk");
Jsp: <%@ page contentType="text/html;charset=gb2312"%>
注意:一定要写在PrintWriter out = resp.getWriter();之前场合:解决get方式乱码问题:
解决办法:修改server.xml URIEncoding="GBK"场合:解决post方式提交内容的乱码
解决办法:request.setCharacterEncoding("GBK");
注意:一定要写在存取第一个参数之前
不要调用response.setCharacterEncoding("GBK");
场合:<jsp:param name="user" value="<%=s%>"/>,url地址包含中文参数
解决办法:<%request.setCharacterEncoding("GBK");%>
2.在jsp页面设置编码方式为‘utf-8’
只有.getBytes("ISO-8859-1"),"utf-8")这个起作用!!