我們已經(jīng)看到,可以在URL規(guī)則中指定http方法。URL映射的函數(shù)接收到的表單數(shù)據(jù)可以以字典對(duì)象的形式收集,并將其轉(zhuǎn)發(fā)給模板以在相應(yīng)的網(wǎng)頁(yè)上呈現(xiàn)它。
在以下示例中,URL => / 呈現(xiàn)具有表單的網(wǎng)頁(yè)( student.html)。填充的數(shù)據(jù)會(huì)提交到觸發(fā)result()函數(shù)的URL => /result 中。
results()函數(shù)收集字典對(duì)象中request.form中存在的表單數(shù)據(jù),并將其發(fā)送給 result.html 并顯示出來(lái)。
該模板動(dòng)態(tài)呈現(xiàn)表單數(shù)據(jù)的HTML表格。
下面給出的是Python的應(yīng)用程序代碼 -
# Filename : example.py # Copyright : 2020 By Nhooo # Author by : www.soo66.com # Date : 2020-08-08 from flask import Flask, render_template, request app = Flask(__name__) @app.route('/') def student(): return render_template('student.html') @app.route('/result',methods = ['POST', 'GET']) def result(): if request.method == 'POST': result = request.form return render_template("result.html",result = result) if __name__ == '__main__': app.run(debug = True)
以下是 student.html 的HTML腳本的代碼。
# Filename : example.py # Copyright : 2020 By Nhooo # Author by : www.soo66.com # Date : 2020-08-08 <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Flask示例</title> </head> <body> <form action = "http://localhost:5000/result" method = "POST"> <p>姓名 <input type = "text" name = "Name" /></p> <p>物理分?jǐn)?shù): <input type = "text" name = "Physics" /></p> <p>化學(xué)分?jǐn)?shù): <input type = "text" name = "Chemistry" /></p> <p>數(shù)學(xué)分?jǐn)?shù): <input type ="text" name = "Mathematics" /></p> <p><input type = "submit" value = "提交" /></p> </form> </body> </html>
模板代碼(result.html)在下面給出 -
# Filename : example.py # Copyright : 2020 By Nhooo # Author by : www.soo66.com # Date : 2020-08-08 <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Flask示例</title> </head> <body> <table border = 1> {% for key, value in result.items() %} <tr> <th> {{ key }} </th> <td> {{ value }} </td> </tr> {% endfor %} </table> </body> </html>
運(yùn)行Python腳本,并在瀏覽器中輸入U(xiǎn)RL => http://localhost:5000/ 。結(jié)果如下所示 -
當(dāng)點(diǎn)擊 提交按鈕時(shí),表單數(shù)據(jù)以HTML表格的形式呈現(xiàn)在 result.html 中,如下所示 -