后端：尝试引入 ES 服务

search/search-service-api/pom.xml

@@ -0,0 +1,50 @@
+<?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>search</artifactId>
+        <groupId>cn.iocoder.mall</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>search-service-api</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>cn.iocoder.mall</groupId>
+            <artifactId>common-framework</artifactId>
+            <version>1.0-SNAPSHOT</version>
+        </dependency>
+
+        <dependency>
+            <groupId>javax.validation</groupId>
+            <artifactId>validation-api</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.mapstruct</groupId>
+            <artifactId>mapstruct</artifactId> <!-- use mapstruct-jdk8 for Java 8 or higher -->
+        </dependency>
+        <dependency>
+            <groupId>org.mapstruct</groupId>
+            <artifactId>mapstruct-jdk8</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <!-- 提供给 mapstruct 使用 -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

search/search-service-api/src/main/java/cn/iocoder/mall/search/api/ProductSearchService.java

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+package cn.iocoder.mall.search.api;
+
+import cn.iocoder.common.framework.vo.CommonResult;
+import cn.iocoder.mall.search.api.dto.ProductSearchPageDTO;
+
+public interface ProductSearchService {
+
+    CommonResult<Integer> rebuild();
+
+    CommonResult searchPage(ProductSearchPageDTO searchPageDTO);
+
+}

search/search-service-api/src/main/java/cn/iocoder/mall/search/api/dto/ProductSearchPageDTO.java

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+package cn.iocoder.mall.search.api.dto;
+
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import java.util.List;
+
+/**
+ * 商品检索分页 DTO
+ */
+@Data
+@Accessors(chain = true)
+public class ProductSearchPageDTO {
+
+    /**
+     * 分类编号
+     */
+    private Integer cid;
+    /**
+     * 关键字
+     */
+    private String keyword;
+
+    /**
+     * 页码
+     */
+    private Integer pageNo;
+    /**
+     * 分页大小
+     */
+    private Integer pageSize;
+
+    /**
+     * 排序字段数组
+     */
+    private List<SortFieldDTO> sorts;
+
+}

search/search-service-api/src/main/java/cn/iocoder/mall/search/api/dto/SortFieldDTO.java

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+package cn.iocoder.mall.search.api.dto;
+
+/**
+ * 排序字段 DTO
+ */
+public class SortFieldDTO {
+
+    /**
+     * 字段
+     */
+    private String field;
+    /**
+     * 排序
+     */
+    private String order;
+
+}