ADD file via upload

src/main/java/com/service/impl/UserServiceImpl.java

@@ -0,0 +1,53 @@
+package com.service.impl;
+
+import com.dao.IUserDao;
+import com.entity.User;
+import com.service.IUserService;
+import com.utils.MD5Utils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @ClassName UserServiceImpl
+ * @Description TODO
+ * @Author YHT
+ * @Date 2021/5/28 17:41
+ */
+@Service
+public class UserServiceImpl implements IUserService {
+    @Autowired
+    private IUserDao userDao;
+
+    public User findById(Integer id) {
+        return userDao.findById(id);
+    }
+
+    public User findByNameAndPwd(String name, String password) {
+        Map<String, String> map = new HashMap<>();
+        map.put("name", name);
+        map.put("password", password);
+        return userDao.findByNameAndPwd(map);
+    }
+
+    @Override
+    public int insertUser(User user) {
+        return userDao.insertUser(user);
+    }
+
+    @Override
+    public void modifyUser(User user) {
+        userDao.modifyUser(user);
+    }
+
+    @Override
+    public void modifyPwd(String password, Integer id) {
+        Map<String, Object> map = new HashMap<>();
+        password = MD5Utils.stringToMD5(password);
+        map.put("id", id);
+        map.put("password", password);
+        userDao.modifyPwd(map);
+    }
+}