redis作业1111

package com.example.springboot1.service; import com.example.springboot1.exceptions.ParamsException; import com.example.springboot1.mapper.UserMapper; import com.example.springboot1.pojo.User; import com.example.springboot1.utils.AssertUtil; import org.apache.commons.lang3.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.cache.annotation.Cacheable; import org.springframework.stereotype.Service; import com.example.springboot1.utils.Md5Util; import java.io.*; import java.util.Properties; @Service public class UserService { @Autowired private UserMapper userMapper; @Cacheable({"Login"}) public String userLogin(String userEmail,String userPwd) { System.out.println("检验缓存是否生效"); // 1. 参数判断，判断用户姓名、用户密码非空 checkLoginParams(userEmail, userPwd); // 2. 调用数据访问层，通过用户名查询用户记录，返回用户对象 User user = userMapper.queryUserByEmail(userEmail); // 3. 判断用户对象是否为空 AssertUtil.isTrue(user == null,"邮箱不存在或已注销"); // 4. 判断密码是否正确，比较客户端传递的用户密码与数据库中查询的用户对象中的用户密码 checkUserPwd(userPwd, user.getPassword()); // 返回构建用户对象 // 如果想返回多个成员的话，可以使用json序列化一下，然后外部再反序列化 return user.getEmail(); } private void checkLoginParams(String userEmail, String userPwd) { AssertUtil.isTrue(StringUtils.isBlank(userEmail),"邮箱不能为空"); AssertUtil.isTrue(StringUtils.isBlank(userPwd),"用户密码不能为空"); } private void checkUserPwd(String userPwd, String userPwdTrue) { AssertUtil.isTrue(!(StringUtils.equals( Md5Util.encode(userPwd),userPwdTrue)),"密码错误"); } public User userSignin(String userName, String userPwd, String userEmail, String userAddr) { User user = new User(userName, Md5Util.encode(userPwd) , userEmail, userAddr); // 1. 参数判断，判断用户姓名、用户密码、邮箱、地址非空 checkSigninParams(userName, userPwd, userEmail, userAddr); String basePath = "./src/main/resources/config.properties"; InputStream in = null; try { in = new BufferedInputStream(new FileInputStream(new File(basePath))); } catch (FileNotFoundException e) { e.printStackTrace(); return user; } Properties prop = new Properties(); try { prop.load(in); } catch (IOException e) { e.printStackTrace(); return user; } String totalSigninNumber = prop.getProperty("TotalSigninNumber"); System.out.println(totalSigninNumber); int signinNumber = Integer.parseInt(totalSigninNumber); System.out.println(signinNumber); int count = userMapper.count(); if (signinNumber > count){ // 2. 调用数据访问层，增加用户数据 int isAddUser = userMapper.addUser(user); // 3. 判断是否成功插入 AssertUtil.isTrue(isAddUser == 0,"操作失败"); } else{ throw new ParamsException("超过注册上限"); } // 返回构建用户对象 return user; } private void checkSigninParams(String userName, String userPwd, String userEmail, String userAddr) { AssertUtil.isTrue(StringUtils.isBlank(userName),"用户名不能为空"); AssertUtil.isTrue(StringUtils.isBlank(userPwd),"用户密码不能为空"); AssertUtil.isTrue(StringUtils.isBlank(userEmail),"邮箱不能为空"); AssertUtil.isTrue(StringUtils.isBlank(userAddr),"用户地址不能为空"); } }