问题现象:
请求URL为:
http://127.0.0.1:9999/micp/queryObjectOut?moduleId=1&json={"hphm":"H3XX96","hpzl":"02","hphm_cn":"陕"}
后台接收到json字符串中hphm_cn始终为乱码。
解决办法:
1 首先处理整个项目编码,保持一致。servlet通过过滤器完成,过滤器代码如下:
package cn.woogo.micp.filter;
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;
/**
* ClassName: CharacterEncodingFilter
*
* @Description: 处理请求参数乱码问题
*@author Zeus
* @date 2016-5-17
*/
public class CharacterEncodingFilter implements Filter {
protected String encoding = null;
protected FilterConfig filterConfig = null;
protected boolean ignore = true;
@Override
public void destroy() {
this.encoding = null;
this.filterConfig = null;
}
@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain)throws IOException, ServletException {
if (ignore || (request.getCharacterEncoding() == null)) {
String encoding= selectEncoding(request);
if (encoding != null)
request.setCharacterEncoding(encoding);
}
chain.doFilter(request, response);
}
@Override
public void init(FilterConfig filterConfig) throws ServletException {
this.filterConfig = filterConfig;
// 获取初始化参数
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);
}
}
View Code
2 web.xml文件中配置:
<?xml version="1.0" encoding="UTF-8"?>
<web-appversion="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!--编码处理过滤器-->
<filter>
<filter-name>Character Encoding</filter-name>
<filter-class>cn.woogo.micp.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<!--制定过滤器映射-->
<filter-mapping>
<filter-name>Character Encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
View Code
3 tomcat配置
打开tomcat安装路径,e.g. D:\tomcat\apache-tomcat-7.0.64\conf\server.xml,增加URIEncoding。如下:
<Connector port="9999" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" URIEncoding ="UTF-8"/>
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