标签:sqlite cmd 数据库 初探 cursor sql md5 ID MD5
import sqlite3 from hashlib import md5 from datetime import datetime # 生成MD5 def make_md5(s, encoding='utf-8'): # 返回MD5值 return md5(s.encode(encoding)).hexdigest() # 主函数 if __name__ == '__main__': start_time = datetime.now() # 开始时间 print(start_time) # 链接数据库 db_path = 'D:/YJFRN/RNCore/data/data3.db' # 数据库路径 db = sqlite3.connect(db_path) # 链接数据库 cursor = db.cursor() # 获取操作游标 游标就是当前操作的行 # 需要插入的数据 ID = 0 # 初始编号 CMD1 = 1070 CMD2 = 1052 CMD3 = 1052 SID = 0 UPDATA1 = 'CAASDjUxMDE4NTEwODg4ODg4GpgBChI0MzA0MjQxOTg5MDIyNTc0MzgSB1dJTi0xMjIaDTE3Mi4xNi42MS4xMjIiETAwLTBDLTI5LT' \ 'MxLTY2LTA4KgnnqILpn7bls7AwbzoSNDMwNDI0MTk4OTAyMjU3NDM4QJKnmIUGSiQKBuS4iue6vxAAGIXg+oUGIgdXSU4tMTIyKAEw' \ 'heD6habBgQZQAFgBYANqBAoAEgA= ' UPDATA2 = 'CnEIARABGJOnmIUGIhLnnJ/lrp7ouqvku73miqXoraYobzISNDMwNDI0MTk4OTAyMjU3NDM4OgBCIgoG5LiK57q/EAAYheD6hQYiB1' \ 'dJTi0xMjIwheD6habBgQZKAFABWgbkuIrnur9iCeeogumftuWzsA==' UPDATA3 = 'CnEIBhABGJOnmIUGIhLnnJ/lrp7ouqvku73miqXoraYobzISNDMwNDI0MTk4OTAyMjU3NDM4OgBCIgoG5LiK57q/EAAYheD6hQYiB1' \ 'dJTi0xMjIwheD6habBgQZKAFAGWgbkuIrnur9iCeeogumftuWzsA==' DOWNDATA1 = 'CAASDjUxMDE4NTEwODg4ODg4GpYBChI0MzA0MjQxOTg5MDIyNTc0MzgSB1dJTi0xMjIaDTE3Mi4xNi42MS4xMjIiETAwLTBDLTI5' \ 'LTMxLTY2LTA4KgnnqILpn7bls7AwbzoSNDMwNDI0MTk4OTAyMjU3NDM4QM2UnoUGSiIKBuS4i+e6vxAAGILg48QHIgdXSU4tMTIy' \ 'MILg48SnwYEGUAFYAWADagQKABIA' DOWNDATA2 = 'CnQIARABGM2UnoUGIhLnnJ/lrp7ouqvku73miqXoraYobzISNDMwNDI0MTk4OTAyMjU3NDM4OgBCJQoJ5raT5ays5ZqOEAAYguDj' \ 'xAciB1dJTi0xMjIwguDjxKfBgQZKAFABWgbkuIvnur9iCeeogumftuWzsA==' DOWNDATA3 = 'CnQIBhABGM2UnoUGIhLnnJ/lrp7ouqvku73miqXoraYobzISNDMwNDI0MTk4OTAyMjU3NDM4OgBCJQoJ5raT5ays5ZqOEAAYguDj' \ 'xAciB1dJTi0xMjIwguDjxKfBgQZKAFAGWgbkuIvnur9iCeeogumftuWzsA==' try: # 查询数据 cursor.execute('select * from cmd_table') re = cursor.fetchall() for i in re: print(i) # 清空表数据 sql = "delete from cmd_table;" cursor.execute(sql) except BaseException as e: print(e) # 清空失败则创建表 sql = 'CREATE TABLE "cmd_table" (' \ '"id" integer NOT NULL PRIMARY KEY AUTOINCREMENT, ' \ '"cmd" integer NOT NULL, ' \ '"sid" integer NOT NULL DEFAULT 0, ' \ '"data" blob NOT NULL, ' \ '"md5" TEXT NOT NULL );' cursor.execute(sql) print("创建表格成功") else: print("清空表数据成功") # 插入N次上下机数据 for i in range(10): # 上机数据插入3条 ID = ID + 1 MD5 = make_md5(str(ID)) # 对编号进行MD5加密 sql = "INSERT INTO cmd_table(id,cmd,sid,data,md5) VALUES(%d,%d,%d,'%s','%s');" sql = sql % (ID, CMD2, SID, UPDATA2, MD5) # print(sql) cursor.execute(sql) ID = ID + 1 MD5 = make_md5(str(ID)) # 对编号进行MD5加密 sql = "INSERT INTO cmd_table(id,cmd,sid,data,md5) VALUES(%d,%d,%d,'%s','%s');" sql = sql % (ID, CMD2, SID, UPDATA2, MD5) cursor.execute(sql) ID = ID + 1 MD5 = make_md5(str(ID)) # 对编号进行MD5加密 sql = "INSERT INTO cmd_table(id,cmd,sid,data,md5) VALUES(%d,%d,%d,'%s','%s');" sql = sql % (ID, CMD3, SID, UPDATA3, MD5) cursor.execute(sql) # 下机数据插入3条 ID = ID + 1 MD5 = make_md5(str(ID)) # 对编号进行MD5加密 sql = "INSERT INTO cmd_table(id,cmd,sid,data,md5) VALUES(%d,%d,%d,'%s','%s');" sql = sql % (ID, CMD1, SID, DOWNDATA1, MD5) cursor.execute(sql) ID = ID + 1 MD5 = make_md5(str(ID)) # 对编号进行MD5加密 sql = "INSERT INTO cmd_table(id,cmd,sid,data,md5) VALUES(%d,%d,%d,'%s','%s');" sql = sql % (ID, CMD2, SID, DOWNDATA2, MD5) cursor.execute(sql) ID = ID + 1 MD5 = make_md5(str(ID)) # 对编号进行MD5加密 sql = "INSERT INTO cmd_table(id,cmd,sid,data,md5) VALUES(%d,%d,%d,'%s','%s');" sql = sql % (ID, CMD3, SID, DOWNDATA3, MD5) cursor.execute(sql) # print("已执行循环次数:" + str(i)) db.commit() # 提交SQL操作 提交后才会生效 cursor.close() # 关闭游标 db.close() # 关闭链接 end_time = datetime.now() # 结束时间 print(end_time)
标签:sqlite,cmd,数据库,初探,cursor,sql,md5,ID,MD5 来源: https://www.cnblogs.com/Mrzyz/p/15773805.html
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