gcodeform.py代码:
from wtforms import Form,StringField,IntegerField,SubmitField from wtforms.validators import DataRequired,NumberRange class AddForm(Form): iFirst=IntegerField('First',validators=[DataRequired(),NumberRange(min=1,max=10000,message="该值取值区间在1-10000")]) iSecond=IntegerField('Second',validators=[DataRequired(),NumberRange(min=1,max=10000,message="该值取值区间在1-10000")]) iSum=IntegerField('Sum') submit=SubmitField("提交")
main代码:
from Lib import gcodeform from wtforms import Form,IntegerField,SubmitField from wtforms.validators import DataRequired,Length from flask import Flask, render_template, request,url_for,flash app = Flask(__name__) app.secret_key="12345" @app.route('/') @app.route('/Index',methods = ['POST','GET']) def Index(): if request.method=='GET': f1=gcodeform.AddForm() iSum=11 return render_template('Index.html',form=f1,iSum=iSum) else: f2=gcodeform.AddForm(request.form) if f2.validate(): iFirst=f2.iFirst.data iSecond=f2.iSecond.data iSum=iSecond+iFirst f2.iSum=iSum return render_template('Index.html',form=f2) else: flash("请输入整数数值,范围在1-10000之间.") return "err" if __name__ == '__main__': app.run(debug = False,port=6669)
html：
<!DOCTYPE html> <html> <head> <title>求和</title> </head> <body> <h2>求和</h2> <form action="/Index" method="POST"> {{form.csrf_token}} {{form.iFirst.label}}{{form.iFirst}}+{{form.iSecond.label}}{{form.iSecond}}={{form.iSum.label}}{{form.iSum}}<br> {{form.submit}}<br> </form> {% for message in get_flashed_messages() %} {{ message }} {% endfor %} </body> </html>
升级版:
main.py
from Lib import gcodeform # from wtforms import Form,IntegerField,SubmitField # from wtforms.validators import DataRequired,Length from flask import Flask, render_template, request,url_for,flash app = Flask(__name__) app.secret_key="12345" @app.route('/',methods = ['POST','GET']) def Index(): if request.method=='GET': f1=gcodeform.AddForm() f1.iFirst.data=0 f1.iSecond.data=0 iSum=0 flash("美好的一天.") return render_template('Index.html',form=f1,iSum=iSum) else: f2=gcodeform.AddForm(request.form) if f2.validate(): iFirst=f2.iFirst.data iSecond=f2.iSecond.data iSum=iSecond+iFirst if(iFirst==0 and iSecond==0): flash("你是一个无聊的人.") else: flash("OK") flash("加油!") return render_template('Index.html',form=f2,iSum=iSum) else: return "err,请联系管理员" if __name__ == '__main__': app.run(debug = True,port=9991)
gcodeform.py
from wtforms import Form,StringField,IntegerField,SubmitField from wtforms.validators import InputRequired,NumberRange class AddForm(Form): iFirst=IntegerField('First',validators=[InputRequired(),NumberRange(min=0,max=100,message="该值取值区间在0-100")]) iSecond=IntegerField('Second',validators=[InputRequired(),NumberRange(min=0,max=100,message="该值取值区间在0-100")]) submit=SubmitField("提交")
Index.html:
<!DOCTYPE html> <html> <head> <title>求和</title> </head> <body> <h2>求和</h2> <form action="/" method="POST"> {{form.csrf_token}} {{form.iFirst.label}}{{form.iFirst}}+{{form.iSecond.label}}{{form.iSecond}}=<span>{{iSum}}</span><br><br> {{form.submit}}<br> <hr> </form> {% for message in get_flashed_messages() %} <div>{{message}}</div> {% endfor %} </body> </html>
升级版:
gcodeform.py
from wtforms import Form,StringField,IntegerField,SubmitField from wtforms.validators import InputRequired,NumberRange class AddForm(Form): iFirst=IntegerField('First',validators=[InputRequired(),NumberRange(min=0,max=100,message="Must be in 1-100")], render_kw={"required":False,"class":"form-control","placeholder": "请输入数值"},default=1) iSecond=IntegerField('Second',validators=[InputRequired(),NumberRange(min=0,max=100,message="Must be in 1-100")],render_kw={"required":False,"class":"form-control", "placeholder": "请输入数值"},default=2) submit=SubmitField("提交")
indexc.html
<!DOCTYPE html> <html> <head> <title>求和</title> <link rel="stylesheet" href="{{url_for('static',filename='bootstrap4/css/bootstrap.css')}}" type="text/css"> </head> <body> <div class="container mt-2"> <h2>求和</h2> <form id="form" action="/" method="POST"> {{form.csrf_token}} {{form.iFirst.label}}{{form.iFirst}}{{form.iSecond.label}}{{form.iSecond}}<div>{{iSum}}</div><br><br> {{form.submit}} <br> <hr> </form> <div id="fronttip" class="alert alert-info alert-dismissable"> <button type="button" class="close" data-dismiss="alert" aria-hidden="true"> × </button> <span id="spantip"></span> </div> <div id="backtip"> {% for m in get_flashed_messages() %} <div class="alert alert-info alert-dismissable"> <button type="button" class="close" data-dismiss="alert" aria-hidden="true"> × </button> {{m}} </div> {% endfor %} </div> </div> <script type="text/javascript" src="{{url_for('static',filename='jquery/jquery-3.3.1.js')}}"></script> <script type="text/javascript" src="{{url_for('static',filename='bootstrap4/js/bootstrap.js')}}"></script> <script> $(function () { var tip=$("#spantip").html() if(tip=="") $("#fronttip").hide() else $("#fronttip").show() $("#submit").click(function (event) { var a = $("#iFirst").val(); var b = $("#iSecond").val(); // $("#fronttip").hide() $("#backtip").hide() if(a=="0"&&b=="0") { $("#spantip").html("前端:你是一个无聊的人。") $("#fronttip").show() $("#backtip").show() return true } else if(a=="4"||b=="4") { $("#spantip").html("前端:数字不吉利，禁止提交.") $("#fronttip").show() return false } else{ $("#spantip").html("前端:OK。") $("#fronttip").show() $("#backtip").show() return true } }) }); </script> </body> </html>
mc.py
from Lib import gcodeform2 # from wtforms import Form,IntegerField,SubmitField # from wtforms.validators import DataRequired,Length from flask import Flask, render_template, request,url_for,flash app = Flask(__name__) app.secret_key="12345" @app.route('/',methods = ['POST','GET']) def Index(): if request.method=='GET': f1=gcodeform2.AddForm() # f1.iFirst.data=0 # f1.iSecond.data=0 iSum=3 flash("后端：美好的一天.") return render_template('Indexc.html',form=f1,iSum=iSum) else: f2=gcodeform2.AddForm(request.form) if f2.validate(): iFirst=f2.iFirst.data iSecond=f2.iSecond.data iSum=iSecond+iFirst if(iFirst==0 and iSecond==0): flash("后端:你是一个无聊的人.") else: flash("后端:OK") flash("后端:加油!") return render_template('Indexc.html',form=f2,iSum=iSum) else: return "err,请联系管理员" if __name__ == '__main__': app.run(debug = True,port=9997)