# 关系型数据库输入
关系型数据库组件SQL语句变量值通过上游参数替换。
主要步骤如下:
# 模型
# 开发步骤
准备数据
drop table employee;
CREATE TABLE `employee` (
`employee_id` int(11),
`name` varchar(100),
`id_number` varchar(18),
`phone_number` varchar(11),
`email` varchar(100),
`address` varchar(255),
`department_id` int(11),
PRIMARY KEY (`employee_id`)
);
INSERT INTO employee ( employee_id,name,id_number,phone_number,email,address,department_id ) VALUES(1,'zhangsan','123456789','13812345678','zhangsan@163.com','beijing',1);
INSERT INTO employee ( employee_id,name,id_number,phone_number,email,address,department_id ) VALUES(2,'lisi','123456789','13812345678','lisi@163.com','beijing',1);
INSERT INTO employee ( employee_id,name,id_number,phone_number,email,address,department_id ) VALUES(3,'wanger','123456789','13812345678','wanger@163.com','beijing',1);
将sql语句进行编辑,按图勾选并选择步骤,用问号按照上游字段顺序进行值替换,替换后的sql格式:
SELECT employee_id, name, id_number, phone_number, email, address, department_id FROM damp_test.employee where employee_id = 1。
点击 保存-提交-运行,会将输出信息通过日志组件打印到下方。