sqlite占位符的事例

import sqlite3
class Demo01:
    def __init__(self):
        self.conn=sqlite3.connect("sql_demo_001.db")
        self.cursor1=self.conn.cursor()
        self.cursor1.execute("select * from table_001 where name= ? and id= ? ",('ssss',31))
        print(self.cursor1.fetchall())
        self.conn.commit()
        self.conn.close()
d=Demo01()

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