详解PyMySQL插入字典类型的数据

student_list = [
    {"name": "Tony", "age": 19, "sex": "male"},
    {"name": "Lisa", "age": 18, "sex": "female"},
    {"name": "Jack", "age": 20, "sex": "male"}
]

cursor.executemany(sql, data_list)

def generate_sql(data_list):
    data = data_list[0]  # 取出第一条
    cols = ", ".join('`{}`'.format(k) for k in data.keys())  # 字段名拼接
    val_cols = ', '.join('%({})s'.format(k) for k in data.keys())  # 对应值的占位符拼接
    sql = """
    INSERT INTO student(%s) VALUES(%s)
    """ % (cols, val_cols)
    return sql

INSERT INTO student(`name`, `age`, `sex`) VALUES(%(name)s, %(age)s, %(sex)s)

import pymysql
MYSQL_CONFIG = {
    'host': 'localhost',  # IP地址
    'port': 3306,  # 端口
    'user': 'myuser',  # 用户名
    'passwd': '111111',  # 密码
    'db': 'myclass',  # 数据库
    'charset': 'utf8',  # 编码
}
def generate_sql(data_list):
    data = data_list[0]
    cols = ", ".join('`{}`'.format(k) for k in data.keys())
    val_cols = ', '.join('%({})s'.format(k) for k in data.keys())
    sql = """
    INSERT INTO student(%s) VALUES(%s)
    """ % (cols, val_cols)
    return sql
def main():
    student_list = [
        {'name': 'Tony', 'age': 19, 'sex': 'male'},
        {'name': 'Lisa', 'age': 18, 'sex': 'female'},
        {'name': 'Jack', 'age': 20, 'sex': 'male'}
    ]
    conn = pymysql.connect(**MYSQL_CONFIG)  # 数据库连接
    cur = conn.cursor()  # 游标对象
    sql = generate_sql(student_list)
    cur.executemany(sql, student_list)
    conn.commit()
    cur.close()
    conn.close()
if __name__ == '__main__':
    main()