问题概述：
在spring mvc 的jstl view 视图解析器中 使用jstl <fmt:message key=”“”></fmt> 不不要绑定也可以正常显示，这里却显示标题上的错误，
一般我们遇到乱码都是直接排查编码问题，为此我耽误接近3小时，真是可恨，这里直接绑定就好；
1 <fmt:bundle basename="messages">
2 <fmt:message key="messages.username"></fmt:message>
3
大纲图：
基本配置图：
这里只是起到对应作用，前提你要会spring mvc
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">
<context:component-scan base-package="restcrud"></context:component-scan>
<context:component-scan base-package="converters"></context:component-scan>
<context:component-scan base-package="springmvctest"></context:component-scan>
<context:component-scan base-package="religon"></context:component-scan>
<!-- 在实际开发中通常都需配置 mvc:annotation-driven 标签 -->
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/view/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
<mvc:annotation-driven conversion-service="conversionService"></mvc:annotation-driven>
<!-- 自定义类型转换 支持格式化 与自定义类型转换 -->
<!-- <bean id="conversionService" class="org.springframework.context.support.ConversionServiceFactoryBean"> 不支持格式化注解 -->
<bean id="conversionService" class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
<property name="converters">
<set>
<ref bean="rmployeeConverter"/>
</set>
</property>
</bean>
<!-- 静态文件 -->
<mvc:default-servlet-handler/>
<!-- 国际化文件 -->
<bean class="org.springframework.context.support.ResourceBundleMessageSource">
<property name="basename" value="messages"></property>
<!-- 支持UTF-8的中文 -->
<!-- <property name="defaultEncoding" value="UTF-8"/>
<property name="useCodeAsDefaultMessage" value="true" /> -->
<property name="cacheSeconds" value="0"/>
<property name="defaultEncoding" value="iso-8859-1" />
</bean>
<!-- 配置展示国家化文件的 -->
<mvc:view-controller path="/CN" view-name="CN"/>
<mvc:view-controller path="/US" view-name="US"/>
<!-- <mvc:view-controller path="/linker" view-name="linker"/> -->
<!-- 支持超连接国际化 -->
<bean id="localeResolver"
class="org.springframework.web.servlet.i18n.SessionLocaleResolver">
<property name="defaultLocale" value="zh_CN"></property>
</bean>
<mvc:interceptors>
<bean class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor"></bean>
</mvc:interceptors>
</beans>
jsp
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jstl/fmt"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>??</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
<body>
<fmt:bundle basename="messages">
<fmt:message key="messages.username"></fmt:message>
</fmt:bundle>
<br>
切换中文:
<a href="linker?locale=zh_CN">中文</a><br>
切换英文:
<a href="linker?locale=en_US">英文</a>
</body>
</html>
Locale
static public final Locale TAIWAN = TRADITIONAL_CHINESE;
/** Useful constant for country.
*/
static public final Locale UK = createConstant("en", "GB");
/** Useful constant for country.
*/
static public final Locale US = createConstant("en", "US");
/** Useful constant for country.
*/
static public final Locale CANADA = createConstant("en", "CA");
/** Useful constant for country.
*/
static public final Locale CANADA_FRENCH = createConstant("fr", "CA");
/**
