springboot 同个项目两套登录系统

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1.版本

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.6.3</version><relativePath/> <!-- lookup parent from repository --></parent><groupId>com.demo</groupId><artifactId>springboot-weixin</artifactId><version>0.0.1-SNAPSHOT</version><name>springboot-weixin</name><!-- 打包配置 --><packaging>jar</packaging><description>weixin project for Spring Boot</description><properties><java.version>11</java.version><mysql-driver.version>8.0.28</mysql-driver.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><!-- 热部署 --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-devtools</artifactId><optional>true</optional></dependency><!-- thymeleaf,for html,jsp... --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-thymeleaf</artifactId><scope></scope></dependency><!-- json --><dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.62</version></dependency><!-- mybatis --><dependency><groupId>org.mybatis.spring.boot</groupId><artifactId>mybatis-spring-boot-starter</artifactId><version>1.3.2</version></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><scope>runtime</scope></dependency><!-- 数据库连接池druid --><!-- https://mvnrepository.com/artifact/com.alibaba/druid-spring-boot-starter --><dependency><groupId>com.alibaba</groupId><artifactId>druid-spring-boot-starter</artifactId><version>1.1.10</version></dependency><!-- 可以使用@ConfigurationProperties --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-configuration-processor</artifactId><optional>true</optional></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin><!-- mybatis-generator.start --><plugin><groupId>org.mybatis.generator</groupId><artifactId>mybatis-generator-maven-plugin</artifactId><version>1.3.5</version><dependencies><dependency><groupId> mysql</groupId><artifactId>mysql-connector-java</artifactId><version>${mysql-driver.version}</version><scope>runtime</scope></dependency></dependencies><configuration><!--允许移动生成的文件 --><verbose>true</verbose><!-- 是否覆盖 --><!-- 此处要特别注意,如果不加这个设置会导致每次运行都会在原目录再次创建--><overwrite>true</overwrite><!-- generator 工具配置文件的位置 --><configurationFile>src/main/resources/mybatis-generator.xml</configurationFile></configuration></plugin><!-- mybatis-generator.end --></plugins></build></project>

2.前后台app和web在同个项目，用包名区分后端，用文件夹名区分前端
尝试在@RequestMapping("/site")自动加上统一前缀/app或/web，避免重复写@RequestMapping("/app/site")
但是尝试失败了，设置方法可以参考
添加链接描述
因为重名问题，例如com.demo.web.controllers.SiteController和com.demo.app.controllers.SiteController，不是类名重名，而是注解的命名，例如下面代码的@RequestMapping都是同个名字/site(如果类名那里的RequestMapping不同，那即使方法那里的RequestMapping相同就没问题，估计是因为类+方法一起判断吧？？？)

package com.demo.web.controllers;
@Controller
@RequestMapping("/site")
public class SiteController {
}package com.demo.app.controllers;
@Controller
@RequestMapping("/site")
public class SiteController {
}

如果都是/site就会导致启动springboot异常，即使在启动类使用FullyQualifiedAnnotationBeanNameGenerator也无法避免

@SpringBootApplication 
@ComponentScan(value = {"com.demo"}, nameGenerator = FullyQualifiedAnnotationBeanNameGenerator.class)
public class SpringbootWeixinApplication {public static void main(String[] args) {SpringApplication.run(SpringbootWeixinApplication.class, args);}}

因此只能老老实实在每个控制类加上前缀

package com.demo.web.controllers;
@Controller
@RequestMapping("/web/site")
public class SiteController {
}package com.demo.app.controllers;
@Controller
@RequestMapping("/app/site")
public class SiteController {
}

3.前后台app和web都是同一个session，所以判断是否登录，则要用session中的不同key（可以考虑key加上前缀app_和web_区分）
设计两个拦截器AppSessionInterceptor和WebSessionInterceptor用于各自登录判断session中是否存在对应的key来判断是否登录，但是注意注册拦截器时，对于路径要判断/app和/web

package com.demo.weixin;import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;import com.demo.app.filters.AppSessionInterceptor;
import com.demo.utils.LogUtils;
import com.demo.web.filters.WebSessionInterceptor;/*** 全局配置* @author Administrator*/
@Configuration
public class GobalWebConfig extends WebMvcConfigurationSupport {/*** 添加路径前缀的注解* 作废！！！！因为即使前缀不同，但是值相同，例如都是/site，也会因为注解重名导致启动失败* 还是老实在每个RequestMapping加上前缀吧* 在控制器使用@AppRestController作为@RequestMapping替代就行*/
//	@Override
//    public void configurePathMatch(PathMatchConfigurer configurer) {
//		//跟@RequestMapping注解的路径加上前缀/app和/web
//        configurer
//	        .addPathPrefix(urlProperties.getAppPrefix(),c -> c.isAnnotationPresent(AppController.class))
//	        .addPathPrefix(urlProperties.getAppPrefix(),c -> c.isAnnotationPresent(AppRestController.class))
//	        .addPathPrefix(urlProperties.getWebPrefix(),c -> c.isAnnotationPresent(WebController.class))
//	        .addPathPrefix(urlProperties.getWebPrefix(),c -> c.isAnnotationPresent(WebRestController.class))
//	        ;
//    }/*** 添加静态资源映射* 一定要，否则静态资源加载不了*/@Overrideprotected void addResourceHandlers(ResourceHandlerRegistry registry) {registry.addResourceHandler("/**").addResourceLocations("classpath:/static/").addResourceLocations("classpath:/templates/");
//        registry.addResourceHandler("/static/img/**")
//                .addResourceLocations("file:" + "classpath:/templates/");
//        registry.addResourceHandler("/static/js/**")
//                .addResourceLocations("file:" + "classpath:/templates/");
//        registry.addResourceHandler("/static/css/**")
//                .addResourceLocations("file:" + "classpath:/templates/");super.addResourceHandlers(registry);}/*** 注册拦截器*/@Overridepublic void addInterceptors(InterceptorRegistry registry) {LogUtils.info("全局spring配置", "加载拦截器-app登录");//1.app后端-登录拦截器//1.1注册TestInterceptor拦截器InterceptorRegistration registration = registry.addInterceptor(new AppSessionInterceptor());//1.2所有路径都被拦截registration.addPathPatterns("/app/**");                      //1.3添加不拦截路径//这个方式的白名单，没有再拦截器种灵活处理字符串registration.excludePathPatterns(    //静态资源"/**/*.html",            //html静态资源"/**/*.js",              //js静态资源"/**/*.css",             //css静态资源"/**/*.woff","/**/*.ttf","/error");LogUtils.info("全局spring配置", "加载拦截器-web登录");//2.web后端-登录拦截器registry.addInterceptor(new WebSessionInterceptor())//所有路径都被拦截.addPathPatterns("/web/**")//添加不拦截路径.excludePathPatterns(//静态资源"/**/*.html",            //html静态资源"/**/*.js",              //js静态资源"/**/*.css",             //css静态资源"/**/*.woff","/**/*.ttf","/error");}
}

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