update

src/main/java/cn/com/acadsoc/core/controller/TextbookController.java

+package cn.com.acadsoc.core.controller;
+
+import cn.com.acadsoc.core.service.TextbookService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/textbook")
+public class TextbookController {
+
+    @Autowired
+    private TextbookService textbookService;
+
+    @RequestMapping("/GetCatIDByUserInterest")
+    public void getCatIDByUserInterest(){
+        List<Map<String, Object>> list =  textbookService.getTextbookByGrade("1");
+        for (Map<String, Object> stringObjectMap : list) {
+            System.out.println(stringObjectMap);
+        }
+    }
+}

src/main/java/cn/com/acadsoc/core/dao/TextbookDao.java

+package cn.com.acadsoc.core.dao;
+
+import java.util.List;
+import java.util.Map;
+
+public interface TextbookDao {
+
+    List<Map<String, Object>> getTextbookByGrade(String grade);
+
+
+}

src/main/java/cn/com/acadsoc/core/dao/impl/TextbookDaoImpl.java

+package cn.com.acadsoc.core.dao.impl;
+
+import cn.com.acadsoc.core.dao.TextbookDao;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+import java.util.Map;
+
+@Component
+public class TextbookDaoImpl implements TextbookDao {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(TextbookDaoImpl.class);
+
+    @Autowired
+    private JdbcTemplate jdbcTemplate;
+
+    @Override
+    public List<Map<String, Object>> getTextbookByGrade(String grade) {
+        String sql = "select * from temp.temp_recommend_list_all";
+        return jdbcTemplate.queryForList(sql);
+    }
+}

src/main/java/cn/com/acadsoc/core/service/TextbookService.java

+package cn.com.acadsoc.core.service;
+
+import java.util.List;
+import java.util.Map;
+
+public interface TextbookService {
+
+    List<Map<String, Object>> getTextbookByGrade(String grade);
+}

src/main/java/cn/com/acadsoc/core/service/impl/TextbookServiceImpl.java

+package cn.com.acadsoc.core.service.impl;
+
+import cn.com.acadsoc.core.dao.TextbookDao;
+import cn.com.acadsoc.core.service.TextbookService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Map;
+
+@Service
+public class TextbookServiceImpl implements TextbookService {
+
+    @Autowired
+    TextbookDao textbookDao;
+
+    @Override
+    public List<Map<String, Object>> getTextbookByGrade(String grade) {
+       return textbookDao.getTextbookByGrade(grade);
+    }
+}