对python插入数据库和生成插入sql的示例讲解

Python  /  管理员 发布于 7年前   170

如下所示：

#-*- encoding:utf-8 -*-import csvimport sys,osimport pymysql  def read_csv(filename):  '''  读取csv文件  '''  data = []  with open(filename) as f:    f_csv = csv.reader(f)    headers = next(f_csv)    #数据格式[1111,22222,1111,1111,.....]    for row in f_csv:      # Process row      field1=row[0]      data.append(row)    print headers  return data def load_data():  '''  插入数据库  '''  filename = sys.argv[1]  try:  #获取一个数据库连接，注意如果是UTF-8类型的，需要制定数据库    conn=pymysql.connect(host='192.168.1.161',user='naliworld',passwd='password!',db='search',port=3306,charset='utf8')    cur=conn.cursor()#获取一个游标    data=read_csv(filename)    for row in data:      # Process row      field1=row[0]      sql='''insert into search.tb_text_uid_list(appId,type,uid,creator,createTime) values({},{},{},{},{}) '''.format(3,1,field1,'\'admin\'','\'2018-08-14 13:44:09\'')      print sql      cur.execute(sql)    cur.close()#关闭游标    conn.commit()    conn.close()#释放数据库资源  except Exception as e :print(e) def get_sql():  '''  插入数据库生成插入sql  '''  sql_list = []  filename = sys.argv[1]  data=read_csv(filename)  for row in data:    # Process row    field1=row[0]    sql='''replace into search.tb_text_uid_list(appId,type,uid,creator,createTime) values({},{},{},{},{}) '''.format(3,1,field1,'\'admin\'','\'2018-08-14 13:44:09\'')    sql_list.append(sql)  file_object = open('sql.txt', 'w')  file_object.writelines([line+';\n' for line in sql_list])  file_object.close( ) if __name__ == "__main__":  get_sql()   

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