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python使用pymysql模块操作MySQL

【字号: 日期:2022-06-16 15:58:52浏览:3作者:猪猪
目录实例一:插入数据实例二:获取某个表全部数据实例三:根据cName模糊搜索实例四:修改数据实例五:删除数据实例一:插入数据

python使用pymysql模块操作MySQL

import pymysqlimport tkinter as tkconn = pymysql.connect(host=’localhost’, user=’root’, passwd=’root’, db=’okzl’, charset=’utf8’)master = tk.Tk()master.title('插入供应商信息')master.geometry(’350x300’)tk.Label(master, text=’cName’).place(x=30,y=10)tk.Label(master, text=’address’).place(x=30,y=40)tk.Label(master, text=’linkman’).place(x=30,y=70)tk.Label(master, text=’linkPhone’).place(x=30,y=100)tk.Label(master, text=’credit’).place(x=30,y=130)tk.Label(master, text=’remark’).place(x=30,y=160)in1=tk.Entry(master, width=30).place(x=100,y=10)in2=tk.Entry(master, width=30).place(x=100,y=40)in3=tk.Entry(master, width=30).place(x=100,y=70)in3=tk.Entry(master, width=30).place(x=100,y=100)in3=tk.Entry(master, width=30).place(x=100,y=130)in3=tk.Entry(master, width=30).place(x=100,y=160)def insert(): cur = conn.cursor() # 伸出手 sql1 = 'insert into pro(cName,address,linkman,linkPhone,credit,remark) values(%s,%s,%s,%s,%s,%s)' temp2 = ( ) cur.execute(sql1, temp2) conn.commit() cur.close()tk.Button(master,text=’插入’,width=8,command=insert).place(x=140,y=220)master.mainloop()conn.close()

python使用pymysql模块操作MySQL

成功插入数据

实例二:获取某个表全部数据

import pymysqlconn = pymysql.connect(host=’localhost’, user=’root’, passwd=’root’, db=’okzl’, charset=’utf8’)cur = conn.cursor()cur.execute(’select * from pro’)data = cur.fetchall()cur.close()print(data)conn.close()

python使用pymysql模块操作MySQL

实例三:根据cName模糊搜索

import pymysqlimport tkinter as tkconn = pymysql.connect(host=’localhost’, user=’root’, passwd=’root’, db=’okzl’, charset=’utf8’) # 连接数据库master = tk.Tk()master.title('搜索某客户信息')master.geometry(’350x300’)e = tk.Entry(master)e.pack(padx=20, pady=20)def tosearch(): cur = conn.cursor() temp2 = (e.get(), '%' + e.get() + '%') cur.execute('select * from pro where cName like %s or cName like %s ', temp2) data = cur.fetchall() cur.close() print(data)tk.Button(master, text=’搜索’, width=8, command=tosearch).pack(padx=20, pady=50)master.mainloop()conn.close()

python使用pymysql模块操作MySQL

实例四:修改数据

根据数据库自动给数据生成的id来确认目标和修改数据

python使用pymysql模块操作MySQL

import pymysqlimport tkinter as tkconn = pymysql.connect(host=’localhost’, user=’root’, passwd=’root’, db=’okzl’, charset=’utf8’)master = tk.Tk()master.title('修改供应商信息')master.geometry(’350x300’)tk.Label(master, text=’cName’).place(x=30,y=10)tk.Label(master, text=’address’).place(x=30,y=40)tk.Label(master, text=’linkman’).place(x=30,y=70)tk.Label(master, text=’linkPhone’).place(x=30,y=100)tk.Label(master, text=’credit’).place(x=30,y=130)tk.Label(master, text=’remark’).place(x=30,y=160)tk.Label(master, text=’目标id’).place(x=30,y=190)in1=tk.Entry(master, width=30)in1.place(x=100,y=10)in2=tk.Entry(master, width=30)in2.place(x=100,y=40)in3=tk.Entry(master, width=30)in3.place(x=100,y=70)in4=tk.Entry(master, width=30)in4.place(x=100,y=100)in5=tk.Entry(master, width=30)in5.place(x=100,y=130)in6=tk.Entry(master, width=30)in6.place(x=100,y=160)in7=tk.Entry(master, width=30)in7.place(x=100,y=190)def update(): cur = conn.cursor() # 伸出手 sql1 = 'update pro set cName=%s, address=%s,linkman=%s,linkPhone=%s,credit=%s,remark=%s where id=%s' temp2 = (in1.get(),in2.get(),in3.get(),in4.get(),in5.get(),in6.get(),in7.get()) cur.execute(sql1, temp2) conn.commit() cur.close()tk.Button(master,text=’确认修改’,width=8,command=update).place(x=140,y=220)master.mainloop()conn.close()

python使用pymysql模块操作MySQL

实例五:删除数据

这里是根据id删除

sql1 = 'delete from pro where id=%s'temp1 = str(n)cur.execute(sql1, temp1)conn.commit()cur.close()

上述实例均为基础实现操作举例,实际操作中可根据需求更改程序和sql语句实现目标效果

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