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Django配合Bootstrap怎么制作计算器(实战)

本篇文章手把手带大家使用django+bootstrap制作一个计算器,希望对大家有所帮助!
准备工作创建一个应用
添加应用到配置
创建一个html
编写视图函数
from django.shortcuts import render# create your views here.def home(request): return render(request, 'index.html')
配置路由
from django.contrib import adminfrom django.urls import path,includefrom app.views import homeurlpatterns = [ path('admin/', admin.site.urls), path('',home,name='hoome'),]
导入bootstrap前端框架下载地址
https://github.com/twbs/bootstrap/releases/download/v3.4.1/bootstrap-3.4.1-dist.zip
将css、fonts、js复制到static文件夹下 没有则创建该文件夹。【相关推荐:《bootstrap教程》】
编写前端内容{% load static %}<!doctype html><html><head> <meta charset="utf-8"> <title>计算器</title> <link rel="stylesheet" href="{% static 'css/bootstrap.min.css' %}"> <script src="https://cdn.jsdelivr.net/npm/jquery@1.12.4/dist/jquery.min.js"></script> <script src="{% static 'js/bootstrap.min.js' %}"></script> <style> body{ background-position: center 0; background-repeat: no-repeat; background-attachment: fixed; background-size: cover; -webkit-background-size: cover; -o-background-size: cover; -moz-background-size: cover; -ms-background-size:cover; } .input_show{ margin-top: 35px; max-width: 280px; height: 35px; } .btn_num{ margin:1px 1px 1px 1px; width: 60px; } .btn_clear{ margin-left: 40px; margin-right: 20px; } .extencontent{ height: 300px; } </style></head><body><div> <div> <div class="col-xs-1 col-sm-4"> </div> <div id="computer" class="col-xs-1 col-sm-6"> <input type="text" id="txt_code" name="txt_code" value="" class="form-control input_show" placeholder="" disabled> <input type="text" id="txt_result" name="txt_result" value="" class="form-control input_show" placeholder="结果" disabled> <br> <div> <button type="button" class="btn btn-default btn_num" onclick="fun_7()">7</button> <button type="button" class="btn btn-default btn_num" onclick="fun_8()">8</button> <button type="button" class="btn btn-default btn_num" onclick="fun_9()">9</button> <button type="button" class="btn btn-default btn_num" onclick="fun_div()">/</button> <br> <button type="button" class="btn btn-default btn_num" onclick="fun_4()">4</button> <button type="button" class="btn btn-default btn_num" onclick="fun_5()">5</button> <button type="button" class="btn btn-default btn_num" onclick="fun_6()">6</button> <button type="button" class="btn btn-default btn_num" onclick="fun_mul()">*</button> <br> <button type="button" class="btn btn-default btn_num" onclick="fun_1()">1</button> <button type="button" class="btn btn-default btn_num" onclick="fun_2()">2</button> <button type="button" class="btn btn-default btn_num" onclick="fun_3()">3</button> <button type="button" class="btn btn-default btn_num" onclick="fun_sub()">-</button> <br> <button type="button" class="btn btn-default btn_num" onclick="fun_0()">0</button> <button type="button" class="btn btn-default btn_num" onclick="fun_00()">00</button> <button type="button" class="btn btn-default btn_num" onclick="fun_dot()">.</button> <button type="button" class="btn btn-default btn_num" onclick="fun_add()">+</button> </div> <div> <br> <button type="button" class="btn btn-success btn-lg btn_clear" id="lgbut_clear" onclick="fun_clear()"> 清空</button><button type="button" class="btn btn-primary btn-lg" id="lgbut_compute" > 计算</button> </div> </div> <div class="col-xs-1 col-sm-2"></div></div> </div><div></div><script> var x=document.getelementbyid("txt_code"); var y=document.getelementbyid("txt_result"); function fun_7() { x.value+='7'; } function fun_8() { x.value+='8'; } function fun_9() { x.value+='9'; } function fun_div() { x.value+='/'; } function fun_4() { x.value+='4'; } function fun_5() { x.value+='5'; } function fun_6() { x.value+='6'; } function fun_mul() { x.value+='*'; } function fun_1() { x.value+='1'; } function fun_2() { x.value+='2'; } function fun_3() { x.value+='3'; } function fun_sub() { x.value+='-'; } function fun_0() { x.value+='0'; } function fun_00() { x.value+='00'; } function fun_dot() { x.value+='.'; } function fun_add() { x.value+='+'; } function fun_clear() { x.value=''; y.value=''; }</script><script> function showresult(data) { var y = document.getelementbyid('txt_result'); y.value = data['result']; }</script><script> $('#lgbut_compute').click(function () { $.ajax({ url:'compute/', type:'post', data:{ 'code':$('#txt_code').val() }, datatype:'json', success:showresult }) })</script></body></html>
编写视图函数import subprocessfrom django.http import jsonresponsefrom django.shortcuts import render# create your views here.from django.views.decorators.csrf import csrf_exemptfrom django.views.decorators.http import require_postdef home(request): return render(request, 'index.html')@csrf_exemptdef compute(request): code = request.post.get('code') try: code = 'print(' + code + ')' result = subprocess.check_output(['python', '-c', code], universal_newlines=true, stderr=subprocess.stdout,timeout=30) except: result='输入错误' return jsonresponse(data={'result': result})
测试
更多关于bootstrap的相关知识,可访问:bootstrap基础教程!!
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