SpringBoot 2.X 整合 Swagger2 自动生成文档

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        <!-- swagger2-->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.7</version>
        </dependency>

        <!-- swagger2-UI-->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>2.7</version>
        </dependency>

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import io.swagger.annotations.ApiOperation;
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.EnableSwagger2;

/**
 * Swagger2的接口配置
 *
 * @author Lion Li
 */
@Configuration
@EnableSwagger2
public class SwaggerConfig {
    /**
     * 创建API
     */
    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                // 详细定制
                .apiInfo(apiInfo())
                .select()
                // 指定当前包路径 (扫描所有带ApiOperation注解的类)
                .apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class))
                // 扫描所有
                //.apis(RequestHandlerSelectors.any())
                .paths(PathSelectors.any())
                .build();
    }

    /**
     * 添加摘要信息
     */
    private ApiInfo apiInfo() {
        // 用ApiInfoBuilder进行定制
        return new ApiInfoBuilder()
                .title("标题：XXXX_接口文档")
                .description("描述：XXX项目文档")
                .contact(new Contact(项目名称, null, null))
                .version("版本号:"+项目版本号)
                .build();
    }
}

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/**
 * 测试 控制层
 * 
 * @author Lion Li
 * @date 2019-04-02
 */
@Api(value = "user",tags = "用户模块")
@Controller
@RequestMapping("/demo/demo")
public class DemoController {
    private String prefix = "demo/demo";
	
	private final IDemoService demoService;

	@Autowired
	public DemoController(IDemoService demoService) {
		this.demoService = demoService;
	}

	/**
	*  列表页
	*/
	@GetMapping
	@ApiOperation(value = "列表页")
	public String demo(){
	    return prefix + "/demo";
	}

	/**
	 * 新增页
	 */
	@GetMapping("/add")
	@ApiOperation(value = "新增页")
	public String add(){
		return prefix + "/add";
	}

	/**
	 * 编辑页
	 */
	@GetMapping("/edit/{id}")
	@ApiOperation(value = "编辑页")
	public String edit(@PathVariable("id") Integer id, ModelMap mmap){
		Demo demo = demoService.getById(id);
		mmap.put("demo", demo);
		return prefix + "/edit";
	}
	
	/**
	 * 查询测试列表
	 */
	@PostMapping("/list")
	@ResponseBody
	@ApiOperation(value = "获取demo列表")
	public Result list(Demo demo){
		startPage();
        List<Demo> list = demoService.list(demo);
		return Result.success(getDataTable(list));
	}

	/**
	 * 新增保存测试
	 */
	@PostMapping("/add")
	@ResponseBody
	@ApiOperation(value = "添加demo案例")
	public Result addSave(Demo demo){
		demoService.save(demo);
		return Result.success();
	}

	/**
	 * 修改保存测试
	 */
	@PostMapping("/edit")
	@ResponseBody
	@ApiOperation(value = "编辑demo")
	public Result editSave(Demo demo){
		demoService.updateById(demo);
		return Result.success();
	}
	
	/**
	 * 删除测试
	 */
	@PostMapping( "/remove")
	@ResponseBody
	@ApiOperation(value = "删除demo")
	@ApiImplicitParam(name = "ids", value = "需要删除的id串", required = true, dataType = "String")
	public Result remove(String ids){
		Long[] longIds = Convert.toLongArray(ids);
		demoService.removeByIds(Arrays.asList(longIds));
		return Result.success();
	}

	/**
	 * 导出测试列表
	 */
	@PostMapping("/export")
	@ResponseBody
	@ApiOperation(value = "导出demo")
	public Result export(Demo demo){
		List<Demo> list = demoService.list(demo);
		ExcelUtil<Demo> util = new ExcelUtil<>(Demo.class);
		util.exportExcel(list, "demo");
		return Result.success();
	}
}

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/**
 * 测试表 demo_demo
 *
 * @author Lion Li
 * @date 2019-04-02
 */
// swagger注解声明model
@ApiModel
// lombok注解(具体功能自行百度)
@EqualsAndHashCode(callSuper = true)
@ToString
@Data
@Accessors(chain = true)
// 数据库表名映射
@TableName("demo_demo")
public class Demo {
    private static final long serialVersionUID = 1L;

    @TableId
    @ApiModelProperty(value = "id")
    private Integer id;

    /**
     * 键
     */
    @ApiModelProperty(value = "键",required = true)
    private String key;
    /**
     * 值
     */
    @ApiModelProperty(value = "值",required = true)
    private String value;
    /**
     * 创建时间
     */
    @ApiModelProperty(value = "创建时间")
    private Date createtime;
}