python使用pymysql模塊操作MySQL
發(fā)布日期：2022-03-10 12:45 | 文章來源：腳本之家
實例一：插入數(shù)據(jù)
import pymysql
import tkinter as tk
conn = pymysql.connect(host='localhost', user='root', passwd='root', db='okzl', charset='utf8')
master = tk.Tk()
master.title("插入供應商信息")
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()
成功插入數(shù)據(jù)
實例二：獲取某個表全部數(shù)據(jù)
import pymysql
conn = 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()
實例三：根據(jù)cName模糊搜索
import pymysql
import tkinter as tk
conn = pymysql.connect(host='localhost', user='root', passwd='root', db='okzl', charset='utf8') # 連接數(shù)據(jù)庫
master = tk.Tk()
master.title("搜索某客戶信息")
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()
實例四：修改數(shù)據(jù)
根據(jù)數(shù)據(jù)庫自動給數(shù)據(jù)生成的id來確認目標和修改數(shù)據(jù)
import pymysql
import tkinter as tk
conn = pymysql.connect(host='localhost', user='root', passwd='root', db='okzl', charset='utf8')
master = tk.Tk()
master.title("修改供應商信息")
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='目標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='確認修改',width=8,command=update).place(x=140,y=220)
master.mainloop()
conn.close()
實例五：刪除數(shù)據(jù)
這里是根據(jù)id刪除
sql1 = "delete from pro where id=%s" temp1 = str(n) cur.execute(sql1, temp1) conn.commit() cur.close()
上述實例均為基礎實現(xiàn)操作舉例，實際操作中可根據(jù)需求更改程序和sql語句實現(xiàn)目標效果
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