【Java-框架-SpringSecurity】单点登录（认证和授权）- 随笔

发布时间：2024年01月23日

项目文件；

【1】

预览

在这里插入图片描述

文件

文件01

名称

pom.xml；

内容

（01）总的

<?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>2.5.9</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.example</groupId>
    <artifactId>SpringDemo</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>SpringDemo</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>8</java.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>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

（02）依赖1

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>

（03）依赖2

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-test</artifactId>
    <scope>test</scope>
</dependency>

文件02

名称

DemoController.java；

内容

（01）总的

package com.example.springdemo.controller;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class DemoController {

    @GetMapping("demo_a")
    public String demo_a() {
        System.out.println("【DemoController.demo_a】......");
        return "This is demo_a method......";
    }

    @GetMapping("demo_b")
    public String demo_b() {
        System.out.println("【DemoController.demo_b】......");
        return "This is demo_b method......";
    }

}

（02）方法1

@GetMapping("demo_a")
public String demo_a() {
    System.out.println("【DemoController.demo_a】......");
    return "This is demo_a method......";
}

（03）方法2

@GetMapping("demo_b")
public String demo_b() {
    System.out.println("【DemoController.demo_b】......");
    return "This is demo_b method......";
}

【2】

预览

在这里插入图片描述

文件

文件01

名称

pom.xml；

内容

（01）总的

<?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>2.5.9</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.example</groupId>
    <artifactId>SpringDemo</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>SpringDemo</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>8</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>com.github.xiaoymin</groupId>
            <artifactId>knife4j-spring-boot-starter</artifactId>
            <version>2.0.9</version>
        </dependency>
        <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>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

（02）依赖1

<dependency>
    <groupId>com.github.xiaoymin</groupId>
    <artifactId>knife4j-spring-boot-starter</artifactId>
    <version>2.0.9</version>
</dependency>

文件02

名称

application.properties；

内容
（01）总的
# 开启Knife4j增强模式
knife4j.enable=true

文件03

名称

Knife4jConfiguration.java；

内容

（01）总的

package com.example.springdemo.config;

import com.github.xiaoymin.knife4j.spring.extension.OpenApiExtensionResolver;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Contact;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2WebMvc;

/**
 * Knife4j配置类
 *
 * @author SUNxRUN
 */
@Configuration
@EnableSwagger2WebMvc
public class Knife4jConfiguration {
    /**
     * 【重要】指定Controller包路径
     */
    private String basePackage = "com.example.springdemo.controller";
    /**
     * 分组名称
     */
    private String groupName = "略";
    /**
     * 【主页】题目
     */
    private String title = "在线API文档";
    /**
     * 【主页】简介
     */
    private String description = "前后交互";
    /**
     * 【主页】作者
     */
    private String contactName = "SUNxRUN";
    /**
     * 【主页】版本
     */
    private String version = "1.0.0";
    /**
     * 【主机】host
     */
    private String host = "http://localhost:9081";
    /**
     * 【主页】服务URL
     */
    private String termsOfServiceUrl = "http://www.apache.org/licenses/LICENSE-2.0";
    /**
     * 联系网址
     */
    private String contactUrl = "略";
    /**
     * 联系邮箱
     */
    private String contactEmail = "略";

    @Autowired
    private OpenApiExtensionResolver openApiExtensionResolver;

    public Knife4jConfiguration() {
        System.out.println("【配置类】Knife4jConfiguration-----已运行");
    }

    @Bean
    public Docket docket() {
        String groupName = "1.0.0";
        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .host(host)
                .apiInfo(apiInfo())
                .groupName(groupName)
                .select()
                .apis(RequestHandlerSelectors.basePackage(basePackage))
                .paths(PathSelectors.any())
                .build()
                .extensions(openApiExtensionResolver.buildExtensions(groupName));
        return docket;
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title(title)
                .description(description)
                .termsOfServiceUrl(termsOfServiceUrl)
                .contact(new Contact(contactName, contactUrl, contactEmail))
                .version(version)
                .build();
    }

}

【3】

预览

在这里插入图片描述

文件

文件01

名称

pom.xml；

内容

（01）总的

<?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>2.5.9</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.example</groupId>
    <artifactId>SpringDemo</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>SpringDemo</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>8</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>io.jsonwebtoken</groupId>
            <artifactId>jjwt</artifactId>
            <version>0.9.1</version>
        </dependency>
        <dependency>
            <groupId>com.github.xiaoymin</groupId>
            <artifactId>knife4j-spring-boot-starter</artifactId>
            <version>2.0.9</version>
        </dependency>
        <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>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

（02）依赖1

<dependency>
    <groupId>io.jsonwebtoken</groupId>
    <artifactId>jjwt</artifactId>
    <version>0.9.1</version>
</dependency>

文件02

名称

JwtTests.java；

内容

（01）总的

package com.example.springdemo;

import io.jsonwebtoken.Claims;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;
import org.junit.jupiter.api.Test;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;

public class JwtTests {

    @Test
    public void testGenerateJwt() {
        // 准备`claims`
        Map<String, Object> claims = new HashMap<>();
        claims.put("id", 1);
        claims.put("name", "SUNxRUN");
        // 准备`过期时间(设置:10年)`
        Date expirationDate = new Date(System.currentTimeMillis() + 525600 * 10 * 60 * 1000);
        // 准备`密钥`
        String secretKey = "1234567890";

        // JWT的组成部分：Header(头)、Payload(载荷)、Signature(签名)
        String jwt = Jwts.builder()
                // Header:用于配置算法与此结果数据的类型
                // 通常配置两个属性：tye(类型)、alg(算法)
                .setHeaderParam("typ", "jwt")
                .setHeaderParam("alg", "HS256")
                // Payload:用于配置需要封装到JWT中的数据
                .setClaims(claims)
                .setExpiration(expirationDate)
                // Signature:用于指定算法与密钥(盐)
                .signWith(SignatureAlgorithm.HS256, secretKey)
                .compact();
        System.out.println(jwt);
    }

    @Test
    public void testParseJwt() {
        // `密钥`
        String secretKey = "1234567890";
        // `JWT`
        String jwt = "eyJ0eXAiOiJqd3QiLCJhbGciOiJIUzI1NiJ9.eyJuYW1lIjoiU1VOeFJVTiIsImlkIjoxLCJleHAiOjE3MDc0NzcyNDR9.stHmCODCatUhNQ6M9_tYQfR4ay0rRd0wQIMZgYXKyhY";

        Claims claims = Jwts.parser().setSigningKey(secretKey).parseClaimsJws(jwt).getBody();

        Object id = claims.get("id");
        System.out.println("id=" + id);
        Object name = claims.get("name");
        System.out.println("name=" + name);
    }

}

方法1

@Test
public void testGenerateJwt() {
    // 准备`claims`
    Map<String, Object> claims = new HashMap<>();
    claims.put("id", 1);
    claims.put("name", "SUNxRUN");
    // 准备`过期时间(设置:10年)`
    Date expirationDate = new Date(System.currentTimeMillis() + 525600 * 10 * 60 * 1000);
    // 准备`密钥`
    String secretKey = "1234567890";

    // JWT的组成部分：Header(头)、Payload(载荷)、Signature(签名)
    String jwt = Jwts.builder()
            // Header:用于配置算法与此结果数据的类型
            // 通常配置两个属性：tye(类型)、alg(算法)
            .setHeaderParam("typ", "jwt")
            .setHeaderParam("alg", "HS256")
            // Payload:用于配置需要封装到JWT中的数据
            .setClaims(claims)
            .setExpiration(expirationDate)
            // Signature:用于指定算法与密钥(盐)
            .signWith(SignatureAlgorithm.HS256, secretKey)
            .compact();
    System.out.println(jwt);
}

方法2

@Test
public void testParseJwt() {
    // `密钥`
    String secretKey = "1234567890";
    // `JWT`
    String jwt = "eyJ0eXAiOiJqd3QiLCJhbGciOiJIUzI1NiJ9.eyJuYW1lIjoiU1VOeFJVTiIsImlkIjoxLCJleHAiOjE3MDc0NzcyNDR9.stHmCODCatUhNQ6M9_tYQfR4ay0rRd0wQIMZgYXKyhY";

    Claims claims = Jwts.parser().setSigningKey(secretKey).parseClaimsJws(jwt).getBody();

    Object id = claims.get("id");
    System.out.println("id=" + id);
    Object name = claims.get("name");
    System.out.println("name=" + name);
}

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文章来源:https://blog.csdn.net/HIGK_365/article/details/135776262
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