FLASK
1.增加用户
后台端口
from flask import Flask, render_template, request
import pymysql
app = Flask(__name__)
@app.route("/adduser", methods=["GET", "POST"])
def adduser():
if request.method == "GET":
return render_template("adduser.html")
username = request.form.get("user")
password = request.form.get("pwd")
mobile = request.form.get("mobile")
print(request.form)
# 1.连接数据库
conn = pymysql.connect(host="127.0.0.1", port=3306, user="root", password="", charset="utf8", db="unicom")
cursor = conn.cursor(cursor=pymysql.cursors.DictCursor)
# 2.发送命令
sql = "insert into admin(username,password,mobile) values(%s,%s,%s)"
cursor.execute(sql, [username, password, mobile])
conn.commit()
# 3.关闭
cursor.close()
conn.close()
return "注册成功"
if __name__ == '__main__':
app.run()
前端
<head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <h1>用户注册</h1> <form method="post" action="/adduser"> <input type="text" name="user" placeholder="用户名"> <input type="text" name="pwd" placeholder="密码"> <input type="text" name="mobile" placeholder="手机号"> <input type="submit" value="提 交"> </form>
查
@app.route('/showuser') def showuser(): # 1.连接数据库 conn = pymysql.connect(host="127.0.0.1", port=3306, user="root", password="7", charset="utf8", db="unicom") cursor = conn.cursor(cursor=pymysql.cursors.DictCursor) # 2.发送命令 sql = "select * from admin" cursor.execute(sql) data_list = cursor.fetchall() return render_template("showuser.html",data_list=data_list) # 3.关闭 cursor.close() conn.close()
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>用户列表</title> </head> <body> <h1>用户列表</h1> <table border="1"> <thead> <tr> <th>ID</th> <th>用户名</th> <th>密码</th> <th>手机号</th> </tr> </thead> <tbody> {% for item in data_list %} <tr> <td>{{ item.id }}</td> <td>{{ item.username }}</td> <td>{{ item.password }}</td> <td>{{ item.mobile }}</td> </tr> {% endfor %} </tbody> </table> </body> </html>