乱码问题
其实解决乱码问题,就是保证所有的编码格式一致,就不会出现问题。
控制台乱码
修改idea的控制台格式
修改 idea.exe.vmoptions和idea64.exe.vmoptions
在文件后面添加一行:-Dfile.encoding=UTF-8修改工程的编码格式
File-Setting设置:
设置为:- 修改tomecat的编码格式
Run/DeBug Configurations
在VM options填写-Dfile.encoding=UTF-8
- 在server.xml文件中添加utf-8
<Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" URLEncoding="UFT-8" /> <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" URIEncoding="UTF-8"/>
项目乱码
- 修改请求响应的编码格式
- 在web.xml中增加过滤器
<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> </filter> <filter-mapping> <filter-name>CharacterEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
- 自定义过滤器
public class EncodingFilter implements Filter { private String encoding = "utf-8"; public void init(FilterConfig filterConfig) throws ServletException { String encodingParam = filterConfig.getInitParameter("encoding"); if (null != encodingParam) { encoding = encodingParam; } } /** * <读取filter配置的默认编码方式> */ public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChin) throws IOException, ServletException { request.setCharacterEncoding(encoding); filterChin.doFilter(request, response); } public void destroy() { } }
字符串解码编码
String(request.getParamter("字符串对象").getBytes("ISO8859-1"),"utf-8")
ISO8859-1是tomcat默认编码,需要将tomcat编码后的内容按utf-8编码。JSP
jsp中设置utf-8
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
或者直接在代码中设置相应的编码方式:
response.setCharacterEncoding("UTF-8");