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django實現(xiàn)前后臺交互實例

 更新時間:2017年08月07日 11:02:03   作者:zhubaoJay  
本篇文章主要介紹了django實現(xiàn)前后臺交互實例,小編覺得挺不錯的,現(xiàn)在分享給大家,也給大家做個參考。一起跟隨小編過來看看吧

本文介紹了django實現(xiàn)前后臺交互實例,分享給大家,希望對大家有所幫助

準備工作:

前端框架:AngularJS+bootstap

數(shù)據(jù)庫:sqlite3

前端代碼:
index.html

<!DOCTYPE html> 
<html> 
  <head> 
    <link href="/WebApi/scripts/bootstrap/dist/css/bootstrap.min.css" rel="external nofollow" rel="stylesheet" type="text/css" /> 
    <script type="text/javascript" src="/WebApi/scripts/angular/angular.min.js"></script> 
    <script type="text/javascript" src="/WebApi/controller/controller.js"></script> 
    <script type="text/javascript" src="/WebApi/service/service.js"></script> 
    <title>hello</title> 
  </head> 
  <body ng-app="myApp" ng-controller="myCtrl"> 
    <h2>hello world!</h2> 
     
<!--   <form role="form"> --> 
    <table> 
      <tr> 
        <td> 
          <div class="form-group"> 
            <input type="text" class="form-control" id="name"  
          placeholder="請輸入用戶名" ng-model="username"> 
          </div> 
        </td> 
      </tr> 
      <tr> 
        <td> 
          <div class="form-group"> 
            <input type="passwd" class="form-control" id="name"  
          placeholder="請輸入密碼" ng-model="password"> 
          </div> 
        </td> 
      </tr> 
      <tr> 
        <td> 
          <button type="button" class="btn btn-primary" ng-click="my_submit()">保存</button> 
        </td> 
      </tr> 
    </table> 
<!--   </form> 
 --> 
 
    <p class="text-danger">[[ result ]]</p> 
  </body> 
</html> 

controller.js

var app = angular.module("myApp", []); 
app.config( 
  function($interpolateProvider) { 
    $interpolateProvider.startSymbol('[['); 
    $interpolateProvider.endSymbol(']]'); 
  })  
  .config(['$httpProvider', function($httpProvider) { 
    $httpProvider.defaults.xsrfCookieName = 'csrftoken'; 
    $httpProvider.defaults.xsrfHeaderName = 'X-CSRFToken'; 
}]); 
app.controller("myCtrl", ["$scope", "service", function($scope, service) { 
  $scope.result = ""; 
  $scope.my_submit = function() { 
    console.log($scope.username); 
    console.log($scope.password); 
    service.do_save_info($scope.username, $scope.password, function(response){ 
      console.log(response); 
      $scope.result = response.result; 
    }); 
  }; 
}]); 

service.js

app.service("service", ["$http", function($http) { 
  this.do_save_info = function(username, password, callback) { 
    $http({ 
      method: 'POST', 
      url: '/do_save_info', 
      data: { 
        'username': username, 
        'password': password 
      }, 
      headers: {'Content-Type': undefined}, 
    }).success(function(response){ 
      callback(response); 
    }); 
  }; 
}]); 

后端代碼:

urls.py

from django.conf.urls import patterns, include, url 
 
urlpatterns = patterns('app.views', 
  url(r'^index$', 'index'), 
  url(r'^/index$', 'index'), 
  url(r'^$', 'index'), 
  url(r'^/$', 'index'), 
  url(r'^do_save_info$', 'do_save_info'), 
) 

views.py

from django.shortcuts import render_to_response 
from django.template import RequestContext 
from django.http import HttpResponse 
from django.views.decorators.csrf import ensure_csrf_cookie, csrf_exempt 
import json 
import models 
 
# Create your views here. 
@ensure_csrf_cookie 
def index(request): 
  return render_to_response('static/index.html', 
    context_instance=RequestContext(request)) 
 
def do_save_info(request): 
  result = {'result':'save success'} 
  try: 
    data = json.loads(request.body) 
    username = data.get("username", None) 
    password = data.get("password", None) 
    models.do_save_info(username, password) 
  except Exception, e: 
    result['result'] = 'save error' 
  return HttpResponse(json.dumps(result)) 

models.py

#!/bin/python 
# -*- coding: utf-8 -*- 
 
import os 
import sys 
import sqlite3 
 
def do_save_info(username, password): 
  db_path = os.path.normpath('/home/zhubao/Code/django_code/hello/db.sqlite3') 
  try: 
    conn = sqlite3.connect(db_path) 
    sql = "insert into t_user(username, password) values('%s', '%s')" % (username, password) 
    conn.execute(sql) 
    conn.commit() 
    conn.close() 
    print 'save success...' 
  except Exception, e: 
    print '------', str(e) 
    try: 
      conn.close() 
    except Exception, e: 
      pass 

t_user表結(jié)構(gòu):

create table t_user(username varchar(255), password varchar(255)); 

頁面演示:

剛打開頁面如下:


輸入數(shù)據(jù),點擊保存:


后臺查看數(shù)據(jù)庫:

可以看到,已經(jīng)保存在數(shù)據(jù)庫里面了。

這只是個小示例,在此不考慮頁面排版和安全性問題。。。

以上就是本文的全部內(nèi)容,希望對大家的學習有所幫助,也希望大家多多支持腳本之家。

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