SpringBoot url重写带www域名与不带www域名之间跳转

转自：https://blog.csdn.net/a915305592/article/details/82194662
1、maven依赖

<dependency>
<groupId>org.tuckey</groupId>
<artifactId>urlrewritefilter</artifactId>
<version>4.0.4</version>
</dependency>
2、重写UrlRewriteFilter的loadUrlRewriter方法（项目不是打jar包的略过此步）
该拦截器实现的读取配置文件的方法是使用类加载器来加载配置文件，

由于我的SpringBoot项目是以jar包方式打包部署，这种读取方式会找不到配置文件，

所以需要重写loadUrlRewriter(）方法。

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.Resource;
import org.tuckey.web.filters.urlrewrite.Conf;
import org.tuckey.web.filters.urlrewrite.UrlRewriteFilter;

import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import java.io.IOException;

@Configuration
public class MyUrlRewriteFilter extends UrlRewriteFilter {

private static final String URL_REWRITE = "classpath:/urlrewrite.xml";

//注入urlrewrite配置文件
@Value(URL_REWRITE)
private Resource resource;

//重写配置文件加载方式
protected void loadUrlRewriter(FilterConfig filterConfig) throws ServletException {
try {
//将Resource对象转换成Conf对象
Conf conf = new Conf(filterConfig.getServletContext(), resource.getInputStream(), resource.getFilename(), "@@traceability@@");
checkConf(conf);
} catch (IOException ex) {
throw new ServletException("Unable to load URL rewrite configuration file from " + URL_REWRITE, ex);
}
}
}
3、注册UrlRewriteFilter到ioc容器中
注：没有重写urlRewriteFilter的话，将代码中的MyUrlRewriteFilter替换为UrlRewriteFilter

/**
* 注册重写URL功能的拦截器
*/
@Bean
public FilterRegistrationBean urlRewrite(MyUrlRewriteFilter urlRewriteFilter) {
FilterRegistrationBean registration =
new FilterRegistrationBean<>(urlRewriteFilter);
registration.setUrlPatterns(Collections.singletonList("/*"));
Map initParam = new HashMap<>();
initParam.put("confPath", "urlrewirte.xml");
initParam.put("infoLevel", "INFO");
registration.setInitParameters(initParam);
return registration;
}
4、在main/resources下配置urlrewirte.xml文件，添加跳转规则
www.baidu.com 重定向到 baidu.com
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE urlrewrite PUBLIC "-//tuckey.org//DTD UrlRewrite 3.2//EN"
"http://tuckey.org/res/dtds/urlrewrite3.2.dtd">
<urlrewrite>
<rule>
<name>seo redirect</name>

<condition name="host" operator="notequal">^baidu.com</condition>
<from>^/(.*)</from>
<to type="permanent-redirect" last="true">http://baidu.com/$1</to>
</rule>
</urlrewrite>
baidu.com 重定向到 www.baidu.com
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE urlrewrite PUBLIC "-//tuckey.org//DTD UrlRewrite 3.2//EN"
"http://tuckey.org/res/dtds/urlrewrite3.2.dtd">
<urlrewrite>
<rule>
<name>seo redirect</name>

<condition name="host" operator="notequal">^www.baidu.com</condition>
<from>^/(.*)</from>
<to type="permanent-redirect" last="true">http://www.baidu.com/$1</to>
</rule>
</urlrewrite>
<rule> url 重写规则，匹配规则有两种：regex （默认）和 wildcard

name 规则名称

<condition name="host" operator="notequal"> 当请求url中主机名不等于baidu.com时

<from> 拦截请求的url

<to> 需求重定向的url

原文链接：https://kailin.site/article/9
---------------------
作者：kalin0
来源：CSDN
原文：https://blog.csdn.net/a915305592/article/details/82194662?utm_source=copy
版权声明：本文为博主原创文章，转载请附上博文链接！

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