新增spring cloud用例

spring-cloud/spring-cloud-feign/common/pom.xml

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+<?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">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>com.heibaiying.feign</groupId>
+        <artifactId>spring-cloud-feign</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>common</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+    </dependencies>
+
+
+</project>

spring-cloud/spring-cloud-feign/common/src/main/java/com/heibaiying/common/CommonApplication.java

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+package com.heibaiying.common;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class CommonApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(CommonApplication.class, args);
+    }
+
+}
+

spring-cloud/spring-cloud-feign/common/src/main/java/com/heibaiying/common/bean/Product.java

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+package com.heibaiying.common.bean;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.io.Serializable;
+import java.util.Date;
+
+/**
+ * @author : heibaiying
+ * @description : 产品实体类
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class Product implements Serializable {
+
+    // 产品序列号
+    private int id;
+
+    // 产品名称
+    private String name;
+
+    // 是否贵重品
+    private Boolean isPrecious;
+
+    //生产日期
+    private Date dateInProduced;
+
+    //产品价格
+    private float price;
+}

spring-cloud/spring-cloud-feign/common/src/main/java/com/heibaiying/common/feign/ProductFeign.java

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+package com.heibaiying.common.feign;
+
+import com.heibaiying.common.bean.Product;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import java.util.List;
+
+/**
+ * @author : heibaiying
+ * @description : 声明式接口调用
+ */
+public interface ProductFeign {
+
+    @RequestMapping("products")
+    List<Product> productList();
+
+    /**
+     * 这是需要强调的是使用feign时候@PathVariable一定要用value指明参数，
+     * 不然会抛出.IllegalStateException: PathVariable annotation was empty on param 异常
+     */
+    @RequestMapping("product/{id}")
+    Product productDetail(@PathVariable(value = "id") int id);
+}

spring-cloud/spring-cloud-feign/common/src/test/java/com/heibaiying/common/CommonApplicationTests.java

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+package com.heibaiying.common;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class CommonApplicationTests {
+
+    @Test
+    public void contextLoads() {
+    }
+
+}
+