完善：完善用户登录 API，优化部分包结构（引入 MyBatis Plus、多数据源、P6Spy、Liquibase 等依赖，详情可见 README 介绍）

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/mybatis/MyBatisPlusMetaObjectHandler.java

@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.cnadmin.common.config.mybatis;
+
+import java.util.Date;
+
+import org.apache.ibatis.reflection.MetaObject;
+
+import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
+
+import cn.hutool.core.util.ObjectUtil;
+
+import top.charles7c.cnadmin.common.exception.ServiceException;
+import top.charles7c.cnadmin.common.model.entity.BaseEntity;
+import top.charles7c.cnadmin.common.util.helper.LoginHelper;
+
+/**
+ * MyBatis Plus 元对象处理器配置（插入或修改时自动填充）
+ *
+ * @author Charles7c
+ * @since 2022/12/22 19:52
+ */
+public class MyBatisPlusMetaObjectHandler implements MetaObjectHandler {
+
+    /** 创建人 */
+    private static final String CREATE_USER = "createUser";
+    /** 创建时间 */
+    private static final String CREATE_TIME = "createTime";
+    /** 修改人 */
+    private static final String UPDATE_USER = "updateUser";
+    /** 修改时间 */
+    private static final String UPDATE_TIME = "updateTime";
+
+    /**
+     * 插入数据时填充
+     *
+     * @param metaObject
+     *            元对象
+     */
+    @Override
+    public void insertFill(MetaObject metaObject) {
+        try {
+            if (ObjectUtil.isNull(metaObject)) {
+                return;
+            }
+
+            Long createUser = LoginHelper.getUserId();
+            Date createTime = new Date();
+            if (metaObject.getOriginalObject() instanceof BaseEntity) {
+                // 继承了 BaseEntity 的类，填充创建信息
+                BaseEntity baseEntity = (BaseEntity)metaObject.getOriginalObject();
+                baseEntity.setCreateUser(baseEntity.getCreateUser() != null ? baseEntity.getCreateUser() : createUser);
+                baseEntity.setCreateTime(baseEntity.getCreateTime() != null ? baseEntity.getCreateTime() : createTime);
+                baseEntity.setUpdateUser(baseEntity.getUpdateUser() != null ? baseEntity.getUpdateUser() : createUser);
+                baseEntity.setUpdateTime(baseEntity.getUpdateTime() != null ? baseEntity.getUpdateTime() : createTime);
+            } else {
+                // 未继承 BaseEntity 的类，根据类中拥有的创建信息进行填充，不存在创建信息不进行填充
+                this.fillFieldValue(metaObject, CREATE_USER, createUser, false);
+                this.fillFieldValue(metaObject, CREATE_TIME, createTime, false);
+                this.fillFieldValue(metaObject, UPDATE_USER, createUser, false);
+                this.fillFieldValue(metaObject, UPDATE_TIME, createTime, false);
+            }
+        } catch (Exception e) {
+            throw new ServiceException("插入数据时自动填充异常：" + e.getMessage());
+        }
+    }
+
+    /**
+     * 修改数据时填充
+     *
+     * @param metaObject
+     *            元对象
+     */
+    @Override
+    public void updateFill(MetaObject metaObject) {
+        try {
+            if (ObjectUtil.isNull(metaObject)) {
+                return;
+            }
+
+            Long updateUser = LoginHelper.getUserId();
+            Date updateTime = new Date();
+            if (metaObject.getOriginalObject() instanceof BaseEntity) {
+                // 继承了 BaseEntity 的类，填充修改信息
+                BaseEntity baseEntity = (BaseEntity)metaObject.getOriginalObject();
+                baseEntity.setUpdateUser(updateUser);
+                baseEntity.setUpdateTime(updateTime);
+            } else {
+                // 未继承 BaseEntity 的类，根据类中拥有的修改信息进行填充，不存在修改信息不进行填充
+                this.fillFieldValue(metaObject, UPDATE_USER, updateUser, true);
+                this.fillFieldValue(metaObject, UPDATE_TIME, updateTime, true);
+            }
+        } catch (Exception e) {
+            throw new ServiceException("修改数据时自动填充异常：" + e.getMessage());
+        }
+    }
+
+    /**
+     * 填充属性值
+     *
+     * @param metaObject
+     *            元数据对象
+     * @param fieldName
+     *            要填充的属性名
+     * @param fillFieldValue
+     *            要填充的属性值
+     * @param isOverride
+     *            如果属性值不为空，是否覆盖（true 覆盖、false 不覆盖）
+     */
+    private void fillFieldValue(MetaObject metaObject, String fieldName, Object fillFieldValue, boolean isOverride) {
+        if (metaObject.hasSetter(fieldName)) {
+            Object fieldValue = metaObject.getValue(fieldName);
+            setFieldValByName(fieldName, fieldValue != null && !isOverride ? fieldValue : fillFieldValue, metaObject);
+        }
+    }
+}

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/mybatis/MybatisPlusConfiguration.java

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.cnadmin.common.config.mybatis;
+
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import com.baomidou.mybatisplus.annotation.DbType;
+import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
+import com.baomidou.mybatisplus.core.incrementer.DefaultIdentifierGenerator;
+import com.baomidou.mybatisplus.core.incrementer.IdentifierGenerator;
+import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
+import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
+
+import cn.hutool.core.net.NetUtil;
+
+/**
+ * MyBatis Plus 配置
+ *
+ * @author Charles7c
+ * @since 2022/12/22 19:51
+ */
+@Configuration
+@MapperScan("${mybatis-plus.mapper-package}")
+public class MybatisPlusConfiguration {
+
+    /**
+     * 插件配置
+     *
+     * @return /
+     */
+    @Bean
+    MybatisPlusInterceptor mybatisPlusInterceptor() {
+        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
+        // 分页插件
+        interceptor.addInnerInterceptor(paginationInnerInterceptor());
+        return interceptor;
+    }
+
+    /**
+     * 分页插件配置（<a href="https://baomidou.com/pages/97710a/#paginationinnerinterceptor">...</a>）
+     */
+    private PaginationInnerInterceptor paginationInnerInterceptor() {
+        // 对于单一数据库类型来说，都建议配置该值，避免每次分页都去抓取数据库类型
+        // PaginationInnerInterceptor paginationInnerInterceptor = new PaginationInnerInterceptor();
+        PaginationInnerInterceptor paginationInnerInterceptor = new PaginationInnerInterceptor(DbType.MYSQL);
+        // 溢出总页数后是否进行处理
+        paginationInnerInterceptor.setOverflow(false);
+        // 单页分页条数限制
+        paginationInnerInterceptor.setMaxLimit(-1L);
+        return paginationInnerInterceptor;
+    }
+
+    /**
+     * 元对象处理器配置（插入或修改时自动填充）
+     */
+    @Bean
+    MetaObjectHandler metaObjectHandler() {
+        return new MyBatisPlusMetaObjectHandler();
+    }
+
+    /**
+     * ID 生成器配置，仅在主键类型（idType）配置为 ASSIGN_ID 或 ASSIGN_UUID 时有效（使用网卡信息绑定雪花生成器，防止集群雪花 ID 重复）
+     */
+    @Bean
+    IdentifierGenerator idGenerator() {
+        return new DefaultIdentifierGenerator(NetUtil.getLocalhost());
+    }
+}

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/exception/ServiceException.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.cnadmin.common.exception;
+
+import lombok.NoArgsConstructor;
+
+/**
+ * 业务异常
+ *
+ * @author Charles7c
+ * @since 2022/12/23 22:55
+ */
+@NoArgsConstructor
+public class ServiceException extends RuntimeException {
+
+    public ServiceException(String message) {
+        super(message);
+    }
+
+}

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/handler/GlobalExceptionHandler.java

@@ -19,10 +19,12 @@ package top.charles7c.cnadmin.common.handler;
 import java.util.Objects;
 
 import javax.servlet.http.HttpServletRequest;
+import javax.validation.ConstraintViolation;
 import javax.validation.ConstraintViolationException;
 
 import lombok.extern.slf4j.Slf4j;
 
+import org.springframework.context.support.DefaultMessageSourceResolvable;
 import org.springframework.http.HttpStatus;
 import org.springframework.validation.BindException;
 import org.springframework.web.HttpRequestMethodNotSupportedException;
@@ -37,6 +39,8 @@ import cn.hutool.core.util.StrUtil;
 
 import top.charles7c.cnadmin.common.exception.BadRequestException;
 import top.charles7c.cnadmin.common.model.vo.R;
+import top.charles7c.cnadmin.common.util.ExceptionUtils;
+import top.charles7c.cnadmin.common.util.StreamUtils;
 
 /**
  * 全局异常处理器
@@ -85,7 +89,8 @@ public class GlobalExceptionHandler {
     @ExceptionHandler(BindException.class)
     public R handleBindException(BindException e, HttpServletRequest request) {
         log.error("请求地址'{}'，参数验证失败", request.getRequestURI(), e);
-        return R.fail(HttpStatus.BAD_REQUEST.value(), e.getMessage());
+        String message = StreamUtils.join(e.getAllErrors(), DefaultMessageSourceResolvable::getDefaultMessage, "，");
+        return R.fail(HttpStatus.BAD_REQUEST.value(), message);
     }
 
     /**
@@ -95,7 +100,8 @@ public class GlobalExceptionHandler {
     @ExceptionHandler(ConstraintViolationException.class)
     public R constraintViolationException(ConstraintViolationException e, HttpServletRequest request) {
         log.error("请求地址'{}'，参数验证失败", request.getRequestURI(), e);
-        return R.fail(HttpStatus.BAD_REQUEST.value(), e.getMessage());
+        String message = StreamUtils.join(e.getConstraintViolations(), ConstraintViolation::getMessage, "，");
+        return R.fail(HttpStatus.BAD_REQUEST.value(), message);
     }
 
     /**
@@ -105,7 +111,8 @@ public class GlobalExceptionHandler {
     @ExceptionHandler(MethodArgumentNotValidException.class)
     public R handleMethodArgumentNotValidException(MethodArgumentNotValidException e, HttpServletRequest request) {
         log.error("请求地址'{}'，参数验证失败", request.getRequestURI(), e);
-        return R.fail(HttpStatus.BAD_REQUEST.value(), e.getMessage());
+        return R.fail(HttpStatus.BAD_REQUEST.value(), ExceptionUtils
+            .exToNull(() -> Objects.requireNonNull(e.getBindingResult().getFieldError()).getDefaultMessage()));
     }
 
     /**

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/model/dto/LoginUser.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.cnadmin.common.model.dto;
+
+import java.io.Serializable;
+
+import lombok.Data;
+
+/**
+ * 登录用户信息
+ *
+ * @author Charles7c
+ * @since 2022/12/24 13:01
+ */
+@Data
+public class LoginUser implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 用户 ID
+     */
+    private Long userId;
+
+    /**
+     * 用户名
+     */
+    private String username;
+
+    /**
+     * 昵称
+     */
+    private String nickname;
+
+    /**
+     * 性别（0未知 1男 2女）
+     */
+    private Integer gender;
+
+    /**
+     * 手机号码
+     */
+    private String phone;
+
+    /**
+     * 邮箱
+     */
+    private String email;
+
+    /**
+     * 头像地址
+     */
+    private String avatar;
+
+    /**
+     * 备注
+     */
+    private String notes;
+
+    /**
+     * 状态（1启用 2禁用）
+     */
+    private Integer status;
+}

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/model/entity/BaseEntity.java

@@ -21,6 +21,9 @@ import java.util.Date;
 
 import lombok.Data;
 
+import com.baomidou.mybatisplus.annotation.FieldFill;
+import com.baomidou.mybatisplus.annotation.TableField;
+
 /**
  * 实体类基类
  *
@@ -35,20 +38,24 @@ public class BaseEntity implements Serializable {
     /**
      * 创建人
      */
+    @TableField(fill = FieldFill.INSERT)
     private Long createUser;
 
     /**
      * 创建时间
      */
+    @TableField(fill = FieldFill.INSERT)
     private Date createTime;
 
     /**
      * 修改人
      */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
     private Long updateUser;
 
     /**
      * 修改时间
      */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
     private Date updateTime;
 }

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/StreamUtils.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.cnadmin.common.util;
+
+import java.util.Collection;
+import java.util.Objects;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+
+import org.apache.commons.lang3.StringUtils;
+
+import cn.hutool.core.collection.CollUtil;
+
+/**
+ * Stream 工具类
+ *
+ * @author Charles7c
+ * @since 2022/12/22 19:51
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class StreamUtils {
+
+    /**
+     * 将集合中的指定字段使用分隔符拼接成字符串
+     *
+     * @param collection
+     *            集合
+     * @param function
+     *            字段方法
+     * @param delimiter
+     *            分隔符
+     * @param <E>
+     *            /
+     * @return 拼接结果
+     */
+    public static <E> String join(Collection<E> collection, Function<E, String> function, CharSequence delimiter) {
+        if (CollUtil.isEmpty(collection)) {
+            return StringUtils.EMPTY;
+        }
+        return collection.stream().map(function).filter(Objects::nonNull).collect(Collectors.joining(delimiter));
+    }
+}

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/helper/LoginHelper.java

@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.cnadmin.common.util.helper;
+
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+
+import cn.dev33.satoken.context.SaHolder;
+import cn.dev33.satoken.stp.StpUtil;
+
+import top.charles7c.cnadmin.common.model.dto.LoginUser;
+import top.charles7c.cnadmin.common.util.ExceptionUtils;
+
+/**
+ * 登录助手
+ *
+ * @author Charles7c
+ * @since 2022/12/24 12:58
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class LoginHelper {
+
+    private static final String LOGIN_USER_KEY = "LOGIN_USER";
+
+    /**
+     * 用户登录并缓存用户信息
+     *
+     * @param loginUser
+     *            登录用户信息
+     */
+    public static void login(LoginUser loginUser) {
+        SaHolder.getStorage().set(LOGIN_USER_KEY, loginUser);
+        StpUtil.login(loginUser.getUserId());
+        StpUtil.getTokenSession().set(LOGIN_USER_KEY, loginUser);
+    }
+
+    /**
+     * 获取登录用户信息
+     *
+     * @return /
+     */
+    public static LoginUser getLoginUser() {
+        LoginUser loginUser = (LoginUser)SaHolder.getStorage().get(LOGIN_USER_KEY);
+        if (loginUser != null) {
+            return loginUser;
+        }
+        try {
+            loginUser = (LoginUser)StpUtil.getTokenSession().get(LOGIN_USER_KEY);
+            SaHolder.getStorage().set(LOGIN_USER_KEY, loginUser);
+        } catch (Exception ignored) {
+        }
+        return loginUser;
+    }
+
+    /**
+     * 获取登录用户 ID
+     *
+     * @return /
+     */
+    public static Long getUserId() {
+        return ExceptionUtils.exToNull(() -> getLoginUser().getUserId());
+    }
+
+    /**
+     * 获取登录用户名
+     *
+     * @return /
+     */
+    public static String getUsername() {
+        return ExceptionUtils.exToNull(() -> getLoginUser().getUsername());
+    }
+
+    /**
+     * 获取登录用户昵称
+     *
+     * @return /
+     */
+    public static String getNickname() {
+        return ExceptionUtils.exToNull(() -> getLoginUser().getNickname());
+    }
+}