mysql向数据库中插入数据Demo
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测试表表结构
SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;
– Table structure for test_demo
DROP TABLE IF EXISTS test_demo
;
CREATE TABLE test_demo
(
id
int NOT NULL AUTO_INCREMENT,
name
varchar(108) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
age
varchar(526) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
content
varchar(526) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
PRIMARY KEY (id
) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 26 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = DYNAMIC;
SET FOREIGN_KEY_CHECKS = 1;
python 链接数据库
导入pymysql包
import pymysql
创建数据库连接
conn = pymysql.connect(host=“localhost”, port=3306, user=“root”, passwd=“123456”, db=“data_test”)
id = ‘null’
获取一个游标对象
cursor = conn.cursor()
设置参数ifor语句循环
for i in range(1, 10):
param_data = str(i)
sql = “insert into test_demo
values({0}, ‘{1}’, ‘{2}’, ‘{3}’)”.format(id, “xiao_ming”, param_data, “三好学生”)
cursor.execute(sql)
conn.commit()
关闭连接
conn.close()
cursor.close()