1、使用该方法，比较繁琐，但是有时也不能很好解决get方式下传递的参数
String str=new String(request.getparemter(id).getBytes(iso-8859-1),UTF-8);
2、使用过滤器过滤乱码问题。不过过滤器很难解决使用get方式传递的参数中的乱码。
过滤器：
java文件：
public class CharacterFilter implements Filter {
private String encoding = null;
private FilterConfig filter = null;
public void destroy() {
this.encoding = null;
this.filter = null;
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
if (encoding != null) {
request.setCharacterEncoding(encoding);
response.setContentType(text/html; charset= + encoding);
}
chain.doFilter(request, response);
}
public void init(FilterConfig filterConfig) throws ServletException {
this.filter = filterConfig;
this.encoding = filter.getInitParameter(encoding);
}
}
web.xml文件的配置
<filter>
<filter-name>CharacterFilter</filter-name>
<filter-class>com.phonebook.Filter.CharacterFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CharacterFilter</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>FORWARD</dispatcher>
<dispatcher>REQUEST</dispatcher>
</filter-mapping>
3、使用URLDecoder的方法
public static String getQueryParam(HttpServletRequest request, String name) {
if (StringUtils.isBlank(name)) {
return null;
}
if (request.getMethod().equalsIgnoreCase(POST)) {
return request.getParameter(name);
}
String s = request.getQueryString();
if (StringUtils.isBlank(s)) {
return null;
}
try {
s = URLDecoder.decode(s, UTF-8);
} catch (UnsupportedEncodingException e) {
}
int i = s.indexOf(=);
if (i > 0) {
s = s.substring(i+1);
}
return s;
}
使用该方法获取传递的参数，可以解决post或get方式下传递的参数。
4、在spring中使用自带的过滤器
<filter>
<filter-name>NewCmsCharacterFilter</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>
这几种是我现阶段总结的，或使用过的解决汉字乱码的方式
该贴由koei转至本版2014-5-2 16:25:24
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