import pymysqlfrom flask import Flask, render_template, requestapp = Flask(__name__)app.debug = True@app.route('/')
def home():return render_template('Order_page.html')#查询数据以列表的形式返回查询结果
@app.route('/Order_list', methods=['POST'])
def Order_list():db = pymysql.Connect(host='rm-2cs.com',port=3306,user='hai',password='6',db='test',charset='utf8')cur = db.cursor(pymysql.cursors.DictCursor)if request.method == 'POST':print('request===', request)page = int(request.form['page'])page_size = int(request.form['page_size'])sql = f"""select * from order a order by add_time desc limit {page * page_size},{page_size} """cur.execute(sql)result_all = cur.fetchall()print("result_all======", result_all)cur.close()db.close()return render_template('Order_page.html', orderlist=result_all)if __name__ == '__main__':app.run()模版动态加载数据
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>订单列表</title><script>function showForm() {//document.getElementById("myForm").style.display = "block";// 监听表单提交事件document.getElementById("myForm").addEventListener("submit", function () {// 提交成功后将表单隐藏document.getElementById("myForm").style.display = "none";// 阻止表单的默认提交行为});}</script>
</head>
<body onload="showForm()">
<div id="myForm"><form action="/Order_list" method="post">请输入页码：<input type="text" name="page"><br>请输入显示数量：<input type="text" name="page_size"><br><input type="submit" value="提交"></form>
</div>
{% if orderlist %}
<table border="1"><tr>{%for name in orderlist[0].keys()%}<th>{{name}}</th>{%endfor%}</tr>{%for order in orderlist%}<tr>{%for name, value in order.items()%}<td>{{value}}</td>{%endfor%}</tr>{%endfor%}
</table>
{% endif %}
</body>
</html>页面显示效果
