1、加入依赖

<dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.9.2</version>
        </dependency>

        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>2.9.2</version>
        </dependency>

 

2、swagger2配置类

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.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

@Configuration
public class Swagger2Config {
	@Bean
	public Docket createRestApi() {
		return new Docket(DocumentationType.SWAGGER_2)
				.apiInfo(apiInfo())
				.select()
				.apis(RequestHandlerSelectors.basePackage("com.asiainfo.group"))
				.paths(PathSelectors.any())
				.build();
	}
	
	private ApiInfo apiInfo() {
		return new ApiInfoBuilder()
				.title("springboot整合swagger2的测试项目")
				.description("https://blog.csdn.net/xl_1803   by xulong")
				.termsOfServiceUrl("https://blog.csdn.net/xl_1803")
				.version("1.0")
				.build();
	}
}

3、启动类上打@EnableSwagger2注解

 

4、实体类

import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import io.swagger.annotations.ApiParam;
import lombok.Data;

import java.io.Serializable;
import java.math.BigDecimal;
import java.util.Date;

/**
 * @author xulong3
 * @Title: file_name
 * @Package package_name
 * @Description: todo
 * @date 2020/5/24 15:57
 */

@Data
@ApiModel("商品对象")
public class Product implements Serializable {

    private static final long serialVersionUID = 8170862039655345886L;

    @ApiModelProperty("商品ID")
    //@ApiParam(name="id",value="商品ID",required=true)
    private Long id;

    @ApiModelProperty("商品名称")
    //@ApiParam(name="name",value="商品名称",required=true)
    private String name;

    @ApiModelProperty("商品数量")
    //@ApiParam(name="amount",value="商品数量",required=true)
    private Integer amount;

    @ApiModelProperty("商品价格")
    //@ApiParam(name="price",value="商品价格",required=true)
    private BigDecimal price;

    @ApiModelProperty("商品创建时间")
    //@ApiParam(name="createTime",value="商品创建时间",required=false)
    private Date createTime;

    @ApiModelProperty("商品更新时间")
    //@ApiParam(name="updateTime",value="商品更新时间",required=false)
    private Date updateTime;



}

 

5、string转date类型转换器

import org.springframework.core.convert.converter.Converter;
import org.springframework.stereotype.Component;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * @author xulong3
 * @Title: file_name
 * @Package package_name
 * @Description: todo
 * @date 2020/5/24 16:58
 */

@Component
public class String2DateConverter implements Converter<String, Date> {
    @Override
    public Date convert(String s) {
        String format = "yyyy-MM-dd HH:mm:ss";
        SimpleDateFormat dateFormat = new SimpleDateFormat(format);

        try {
            return dateFormat.parse(s);
        } catch (ParseException e) {
        }
        return null;
    }
}

 

6、controller层统一返回对象

import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;

/**
 * @author xulong3
 * @Title: file_name
 * @Package package_name
 * @Description: todo
 * @date 2020/5/24 16:07
 */
@Data
@ApiModel("通用响应对象")
public class WebResult<T> {

    @ApiModelProperty("状态码")
    private int code;

    @ApiModelProperty("响应信息")
    private String message;

    @ApiModelProperty("响应数据")
    private T data;


}

 

7、controller层

import com.asiainfo.group.springbootswagger2demo.entity.Product;
import com.asiainfo.group.springbootswagger2demo.util.WebResult;
import io.swagger.annotations.*;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import springfox.documentation.annotations.ApiIgnore;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

/**
 * @author xulong3
 * @Title: file_name
 * @Package package_name
 * @Description: todo
 * @date 2020/5/24 16:05
 */

@RestController
@RequestMapping("/product")
@Api(tags = "商品controller")
public class ProductController {

    @RequestMapping(value = "/save",method = RequestMethod.POST)
    @ApiOperation(value = "新增商品")
    @ApiImplicitParams(value={
            @ApiImplicitParam(name="id",value="商品ID",required=true,paramType="query",dataType="int"),
            @ApiImplicitParam(name="name",value="商品名称",required=true,paramType="query",dataType="string"),
            @ApiImplicitParam(name="amount",value="商品数量",required=true,paramType="query",dataType="int"),
            @ApiImplicitParam(name="price",value="商品价格",required=true,paramType="query",dataType="double"),
            @ApiImplicitParam(name="createTime",value="商品创建时间",required=false,paramType="query",dataType="string"),
            @ApiImplicitParam(name="updateTime",value="商品更新时间",required=false,paramType="query",dataType="string")
    })
    /*@ApiResponses({
            @ApiResponse(code=200,message="200成功啦！"),
            @ApiResponse(code=201,message="201啦！"),
            @ApiResponse(code=400,message="400啦！"),
            @ApiResponse(code=401,message="401啦！"),
            @ApiResponse(code=403,message="403啦！"),
            @ApiResponse(code=404,message="404啦！"),
            @ApiResponse(code=500,message="500啦！")
    })*/
    public WebResult<String> save(@ApiIgnore Product product){
        WebResult<String> wr = new WebResult<>();
        wr.setCode(200);
        wr.setMessage("success");
        wr.setData("请求成功");
        return wr;
    }

    @RequestMapping(value = "/queryAll",method = RequestMethod.GET)
    @ApiOperation(value = "查询所有商品")
    public WebResult<List<Product>> queryAll(){
        WebResult<List<Product>> wr = new WebResult<>();

        List<Product> productList = new ArrayList<>();
        for (int i = 0; i < 5; i++) {
            Product p = new Product();
            p.setId((long)i);
            p.setAmount(100);
            p.setName("香蕉"+i);
            p.setPrice(BigDecimal.valueOf(8.5));
            p.setCreateTime(new Date());
            p.setUpdateTime(new Date());
            productList.add(p);
        }

        wr.setCode(200);
        wr.setMessage("success");
        wr.setData(productList);
        return wr;
    }

    @RequestMapping(value = "/queryOne",method = RequestMethod.GET)
    @ApiOperation(value = "查询单个商品")
    @ApiImplicitParams(value={
            @ApiImplicitParam(name="id",value="商品ID",required=true,paramType="query",dataType="int")
    })
    public WebResult<Product> queryOne(long id){
        WebResult<Product> wr = new WebResult<>();

        Product p = new Product();
        p.setId(id);
        p.setAmount(100);
        p.setName("香蕉");
        p.setPrice(BigDecimal.valueOf(8.5));
        p.setCreateTime(new Date());
        p.setUpdateTime(new Date());

        wr.setCode(200);
        wr.setMessage("success");
        wr.setData(p);
        return wr;
    }

}

 

 8、访问http://localhost:8080/swagger-ui.html