SpringCloud - 微服务之多模块化(二)

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>product</artifactId>
        <groupId>com.imooc</groupId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <artifactId>product-common</artifactId>
    <dependencies>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
        </dependency>
    </dependencies>
</project>

package com.imooc.product.common;
import lombok.Data;
/**
 * 减库存入参
 */
@Data
public class DecreaseStockInput {
    private String productId;
    private Integer productQuantity;
    public DecreaseStockInput() {
    }
    public DecreaseStockInput(String productId, Integer productQuantity) {
        this.productId = productId;
        this.productQuantity = productQuantity;
    }
}
package com.imooc.product.common;
import lombok.Data;
import java.math.BigDecimal;
@Data
public class ProductInfoOutput {
    private String productId;
    /** 名字. */
    private String productName;
    /** 单价. */
    private BigDecimal productPrice;
    /** 库存. */
    private Integer productStock;
    /** 描述. */
    private String productDescription;
    /** 小图. */
    private String productIcon;
    /** 状态, 0正常1下架. */
    private Integer productStatus;
    /** 类目编号. */
    private Integer categoryType;
}

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>product</artifactId>
        <groupId>com.imooc</groupId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <artifactId>product-client</artifactId>
    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
        </dependency>
        <dependency>
            <groupId>com.imooc</groupId>
            <artifactId>product-common</artifactId>
        </dependency>
    </dependencies>
</project>

package com.imooc.product.client;
import com.imooc.product.common.DecreaseStockInput;
import com.imooc.product.common.ProductInfoOutput;
import org.springframework.cloud.netflix.feign.FeignClient;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import java.util.List;
@FeignClient(name = "product")
public interface ProductClient {
    @PostMapping("/product/listForOrder")
    List<ProductInfoOutput> listForOrder(@RequestBody List<String> productIdList);
    @PostMapping("/product/decreaseStock")
    void decreaseStock(@RequestBody List<DecreaseStockInput> decreaseStockInputList);
}