Create 存储过程.sql

存储过程.sql

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+# 第一个存储过程
+# 根据用户 id 查询用户其他信息
+# 方法看着很奇葩，但是展示了多个输出参数
+DROP PROCEDURE IF EXISTS `select_user_by_id`;
+DELIMITER ;;
+CREATE PROCEDURE `select_user_by_id`(
+IN userId BIGINT,
+OUT userName VARCHAR(50),
+OUT userPassword VARCHAR(50),
+OUT userEmail VARCHAR(50),
+OUT userInfo TEXT,
+OUT headImg BLOB,
+OUT createTime DATETIME)
+BEGIN
+# 根据用户 id 查询其他数据
+select user_name,user_password,user_email,user_info,head_img,create_time
+INTO userName,userPassword,userEmail,userInfo,headImg,createTime 
+from sys_user
+WHERE id = userId;
+END
+;;
+DELIMITER ;
+
+# 第二个存储过程
+# 简单的根据用户名和分页参数进行查询，返回总数和分页数据
+DROP PROCEDURE IF EXISTS `select_user_page`;
+DELIMITER ;;
+CREATE PROCEDURE `select_user_page`(
+IN userName VARCHAR(50), 
+IN _offset BIGINT, 
+IN _limit BIGINT, 
+OUT total BIGINT)
+BEGIN
+# 查询数据总数
+select count(*) INTO total 
+from sys_user 
+where user_name like concat('%', userName, '%');
+# 分页查询数据
+select * 
+from sys_user 
+where user_name like concat('%', userName, '%')
+limit _offset, _limit;
+END
+;;
+DELIMITER ;
+
+# 第三个存储过程
+# 保存用户信息和角色关联信息
+DROP PROCEDURE IF EXISTS `insert_user_and_roles`;
+DELIMITER ;;
+CREATE PROCEDURE `insert_user_and_roles`(
+OUT userId BIGINT,
+IN userName VARCHAR(50),
+IN userPassword VARCHAR(50),
+IN userEmail VARCHAR(50),
+IN userInfo TEXT,
+IN headImg BLOB,
+OUT createTime DATETIME,
+IN roleIds VARCHAR(200)
+)
+
+BEGIN
+# 设置当前时间
+SET createTime = NOW();
+# 插入数据
+INSERT INTO sys_user(user_name, user_password, user_email, user_info, head_img, create_time)
+VALUES (userName, userPassword, userEmail, userInfo, headImg, createTime);
+# 获取自增主键
+SELECT LAST_INSERT_ID() INTO userId;
+# 保存用户和角色关系数据
+SET roleIds = CONCAT(',',roleIds,',');
+INSERT INTO sys_user_role(user_id, role_id)
+select userId, id from sys_role
+where INSTR(roleIds, CONCAT(',',id,',')) > 0;
+END
+;;
+DELIMITER ;
+
+# 第四个存储过程
+# 删除用户信息和角色关联信息
+DROP PROCEDURE IF EXISTS `delete_user_by_id`;
+DELIMITER ;;
+CREATE PROCEDURE `delete_user_by_id`(IN userId BIGINT)
+BEGIN
+DELETE FROM sys_user_role where user_id = userId;
+DELETE FROM sys_user where id = userId;
+END
+;;
+DELIMITER ;