使用Flyway来管理数据库版本

Chapter3-2-9/src/main/java/com/didispace/service/UserServiceImpl.java

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+package com.didispace.service;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Service;
+
+/**
+ * @author 程序猿DD
+ * @version 1.0.0
+ * @date 16/3/17 下午6:44.
+ * @blog http://blog.didispace.com
+ */
+@Service
+public class UserServiceImpl implements UserService {
+
+    @Autowired
+    private JdbcTemplate jdbcTemplate;
+
+    @Override
+    public void create(String name, Integer age) {
+        jdbcTemplate.update("insert into t_user(NAME, AGE) values(?, ?)", name, age);
+    }
+
+    @Override
+    public void deleteByName(String name) {
+        jdbcTemplate.update("delete from t_user where NAME = ?", name);
+    }
+
+    @Override
+    public Integer getAllUsers() {
+        return jdbcTemplate.queryForObject("select count(1) from t_user", Integer.class);
+    }
+
+    @Override
+    public void deleteAllUsers() {
+        jdbcTemplate.update("delete from t_user");
+    }
+}