Python代码大全之sqlite通过参数update数据
import sqlite3
'''
from update import *
#数据库名
dbname='a.db'
#唯一标识
mkey='mkey'
#原表名称
a_table='mword'
#原表列名称
a_col='pinyin'
#更新数据来源
select_sql="select pypinyin_dict.pinyin ,pypinyin_dict.mkey from mword ,pypinyin_dict where mword.mkey = pypinyin_dict.mkey and mword.pinyin like '' "
#更新语句
update_sql="update "+a_table+" set "+a_col +" =? where "+mkey+"=?"
vlist=sql2list(dbname,select_sql)
sql2update(dbname,update_sql,vlist)
'''
def sql2list(dbname,select_sql):
conn = sqlite3.connect(dbname)
cursor =conn.execute(select_sql)
wlist=[]
for it in cursor:
wlist.append(it)
conn.close()
return wlist
def sql2update(dbname,update_sql,vlist):
conn = sqlite3.connect(dbname)
cur = conn.cursor()
for item in vlist:
sql = update_sql
print(sql,item)
cur.execute(sql, item)
conn.commit()
conn.close()
