knife4j可以通过访问本地页面，实现对项目接口的管理：

这样我们就不需要用postman软件调用接口了。

Mevan导包：

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

配置 knife4j：

package com.quxiao.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.ParameterBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.schema.ModelRef;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Contact;
import springfox.documentation.service.Parameter;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2WebMvc;

import java.util.ArrayList;
import java.util.List;

/**
 * @program: yghtgl
 * @author: quxiao
 * @create: 2023-06-12 08:44
 **/
@Configuration
@EnableSwagger2WebMvc
public class Knife4jConfig {
    @Bean
    public Docket adminApiConfig(){
        List<Parameter> pars = new ArrayList<>();
        ParameterBuilder tokenPar = new ParameterBuilder();
        tokenPar.name("token")
                .description("用户token")
                .defaultValue("")
                .modelRef(new ModelRef("string"))
                .parameterType("header")
                .required(false)
                .build();
        pars.add(tokenPar.build());
        //添加head参数end

        Docket adminApi = new Docket(DocumentationType.SWAGGER_2)
                .groupName("adminApi")
                .apiInfo(adminApiInfo())
                .select()
                //只显示admin路径下的页面
                .apis(RequestHandlerSelectors.basePackage("com.quxiao"))
                .paths(PathSelectors.regex("/admin/.*"))
                .build()
                .globalOperationParameters(pars);
        return adminApi;
    }
    private ApiInfo adminApiInfo(){

        return new ApiInfoBuilder()
                .title("后台管理系统-API文档")
                .description("本文档描述了后台管理系统微服务接口定义")
                .version("1.0")
                .contact(new Contact("quxiao", "http://quxiao.com", "1458798260@qq.com"))
                .build();
    }
}

然后再后端接口上加上注解：

package com.quxiao.controller;

import com.quxiao.pojo.SysRole;
import com.quxiao.service.SysRoleServiceImpl;
import com.quxiao.util.Result;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * @program: yghtgl
 * @author: quxiao
 * @create: 2023-06-11 09:45
 **/
@Api(tags = "角色管理接口")
@RestController
@RequestMapping("/admin/system/sysRole")
public class SysRoleController {
    @Autowired
    SysRoleServiceImpl service;

    //查询all记录
    @ApiOperation(value = "查询all记录")
    @GetMapping("sysRoleSelAll")
    public Result<List<SysRole>> sysRoleSelAll() {
        return Result.ok(service.list());
    }

    //删除sysRoleDel
    @ApiOperation(value = "删除sysRoleDel")
    @DeleteMapping("remove/{id}")
    public Result<Boolean> sysRoleDel(@PathVariable Long id) {
        boolean b = service.removeById(id);
        if (b) {
            return Result.ok(b);
        }
        return Result.fail(b);
    }

}

再访：http://localhost:8080/doc.html

就可以了