1、简单实现
关联文件:
from django.conf.urls import url from . import views urlpatterns = [ url(r'^index.html/$',views.index), url(r'^article/(?P47cf9185b9d6e565a16a5b103ea64946\d+)-(?Pc58a1130350e5f417b7f5c3a9765ab7e\d+).html/$',views.article) ] url.py
76c82f278ac045591c9159d381de2c57 100db36a723c770d327fc0aef2ce13b1 93f0f5c25f18dab9d176bd4f6de5d30e a80eb7cbb6fff8b0ff70bae37074b813 b2386ffb911b14667cb8f0f91ea547a7Title6e916e0f7d1e588d4f442bf645aedb2f c9ccee2e6ea535a969eb3f532ad9fe89 .condition a{ display:inline-block; padding: 3px 5px; border: 1px solid black; } .condition a.active{ background-color: brown; } 531ac245ce3e4fe3d50054a55f265927 9c3bca370b5104690d9ef395f2c5f8d1 6c04bd5ca3fcae76e30b72ad730ca86d c1a436a314ed609750bd7c7d319db4da过滤条件2e9b454fa8428549ca2e64dfac4625cd dc6dce4a544fdca2df29d5ac0ea9906b {% if kwargs.article_type == 0 %} c1650df1bf28ebb320e3f06f028cceca全部5db79b134e9f6b82c0b36e0489ee08ed {% else %} c1650df1bf28ebb320e3f06f028cceca全部5db79b134e9f6b82c0b36e0489ee08ed {% endif %} {% for row in article_type %} {% if row.id == kwargs.article_type %} 8fc2ca070d67d215118cea57248d5115{{ row.caption }}5db79b134e9f6b82c0b36e0489ee08ed {% else %} f1c526059e6dca0aec95c389326630c2{{ row.caption }}5db79b134e9f6b82c0b36e0489ee08ed {% endif %} {% endfor %} 16b28748ea4df4d9c2150843fecfba68 dc6dce4a544fdca2df29d5ac0ea9906b {% if kwargs.category == 0 %} df70f7b565cfeab50f6266d13e7aae74全部5db79b134e9f6b82c0b36e0489ee08ed {% else %} df70f7b565cfeab50f6266d13e7aae74全部5db79b134e9f6b82c0b36e0489ee08ed {% endif %} {% for row in category %} {% if row.id == kwargs.category %} c5fdd0f19c8a956b13936b2ed0f418f2{{ row.caption }}5db79b134e9f6b82c0b36e0489ee08ed {% else %} c5fdd0f19c8a956b13936b2ed0f418f2{{ row.caption }}5db79b134e9f6b82c0b36e0489ee08ed {% endif %} {% endfor %} 16b28748ea4df4d9c2150843fecfba68 c1a436a314ed609750bd7c7d319db4da查询结果2e9b454fa8428549ca2e64dfac4625cd ff6d136ddc5fdfeffaf53ff6ee95f185 {% for row in articles %} 25edfb22a4f469ecb59f1190150159c6{{ row.id }}-{{ row.title }}------[{{ row.article_type.caption }}]-[{{ row.category.caption }}]bed06894275b65c1ab86501b08a632eb {% endfor %} 929d1f5ca49e04fdcb27f9465b944689 36cc49f0c466276486e50c850b7e4956 73a6ac4ed44ffec12cee46588e518a5e article.html
数据库结构:
from django.db import models # Create your models here. class Categoery(models.Model): caption = models.CharField(max_length=16) class ArticleType(models.Model): caption = models.CharField(max_length=16) class Article(models.Model): title = models.CharField(max_length=32) content = models.CharField(max_length=255) category = models.ForeignKey(Categoery) article_type = models.ForeignKey(ArticleType)
处理文件:
from . import models def article(request,*args,**kwargs): search_dict = {} for key,value in kwargs.items(): kwargs[key] = int(value) # 把字符类型转化为int类型 方便前端做if a == b 这样的比较 if value !='0': search_dict[key] = value articles = models.Article.objects.filter(**search_dict) # 字典为空时表示搜索所有 article_type = models.ArticleType.objects.all() category = models.Categoery.objects.all() return render(request,'article.html',{'articles':articles, 'article_type':article_type, 'category':category , 'kwargs':kwargs})
注:实现此功能并不难,最重要的是理清里面的思路;首先先要确定url访问路径格式http://127.0.0.1:8000/article/0-0.html ,第一个0表示article_type字段,第二个0表示category字段,如果为零时,表示搜索此字段全部信息,确认好这个,是成功的第一步,处理文件上有检索的处理;第二个关键点是生成字典search_dict进行相关的搜索,如果是0表示搜索全部;第三个关键点,也是很巧妙的一个方式,把参数kwargs再次传到前端,简直神来之笔!
2、另一种尝试(加载内存调优)
由于ArticleType类型是博客定死的数据,后期不会做变动,可以把数据加载到内存当中,加快查询速度
76c82f278ac045591c9159d381de2c57 100db36a723c770d327fc0aef2ce13b1 93f0f5c25f18dab9d176bd4f6de5d30e a80eb7cbb6fff8b0ff70bae37074b813 b2386ffb911b14667cb8f0f91ea547a7Title6e916e0f7d1e588d4f442bf645aedb2f c9ccee2e6ea535a969eb3f532ad9fe89 .condition a{ display:inline-block; padding: 3px 5px; border: 1px solid black; } .condition a.active{ background-color: brown; } 531ac245ce3e4fe3d50054a55f265927 9c3bca370b5104690d9ef395f2c5f8d1 6c04bd5ca3fcae76e30b72ad730ca86d c1a436a314ed609750bd7c7d319db4da过滤条件2e9b454fa8428549ca2e64dfac4625cd dc6dce4a544fdca2df29d5ac0ea9906b {% if kwargs.article_type_id == 0 %} 9d54c0841deaf5461b945d32b7fb4fdc全部5db79b134e9f6b82c0b36e0489ee08ed {% else %} 9d54c0841deaf5461b945d32b7fb4fdc全部5db79b134e9f6b82c0b36e0489ee08ed {% endif %} {% for row in article_type%} {% if row.0 == kwargs.article_type_id %} 10f3f6439facab4314cfbe4e3175876d{{ row.1 }}5db79b134e9f6b82c0b36e0489ee08ed {% else %} a20c8a20660a4e1f867202ed670ff3b0{{ row.1 }}5db79b134e9f6b82c0b36e0489ee08ed {% endif %} {% endfor %} 16b28748ea4df4d9c2150843fecfba68 dc6dce4a544fdca2df29d5ac0ea9906b {% if kwargs.category_id == 0 %} 73f255b70dccd9c638775a7513655ec1全部5db79b134e9f6b82c0b36e0489ee08ed {% else %} 73f255b70dccd9c638775a7513655ec1全部5db79b134e9f6b82c0b36e0489ee08ed {% endif %} {% for row in category %} {% if row.id == kwargs.category_id %} 51842ade3c1731ef36f6a85f509e3264{{ row.caption }}5db79b134e9f6b82c0b36e0489ee08ed {% else %} 51842ade3c1731ef36f6a85f509e3264{{ row.caption }}5db79b134e9f6b82c0b36e0489ee08ed {% endif %} {% endfor %} 16b28748ea4df4d9c2150843fecfba68 c1a436a314ed609750bd7c7d319db4da查询结果2e9b454fa8428549ca2e64dfac4625cd ff6d136ddc5fdfeffaf53ff6ee95f185 {% for row in articles %} 25edfb22a4f469ecb59f1190150159c6{{ row.id }}-{{ row.title }}------[{{ row.article_type }}]-[{{ row.category.caption }}]bed06894275b65c1ab86501b08a632eb {% endfor %} 929d1f5ca49e04fdcb27f9465b944689 36cc49f0c466276486e50c850b7e4956 73a6ac4ed44ffec12cee46588e518a5e article.html
from django.shortcuts import render from django.shortcuts import HttpResponse # Create your views here. def index(request): return HttpResponse('Ok') from . import models def article(request,*args,**kwargs): search_dict = {} for key,value in kwargs.items(): kwargs[key] = int(value) # 把字符类型转化为int类型 方便前端做if a == b 这样的比较 if value !='0': search_dict[key] = value print(kwargs) articles = models.Article.objects.filter(**search_dict) # 字典为空时表示搜索所有 article_type = models.Article.type_choice print(article_type) category = models.Categoery.objects.all() return render(request,'article.html',{'articles':articles, 'article_type':article_type, 'category':category , 'kwargs':kwargs}) 处理文件.py
数据库文件:
from django.db import models # Create your models here. class Categoery(models.Model): caption = models.CharField(max_length=16) # class ArticleType(models.Model): # caption = models.CharField(max_length=16) class Article(models.Model): title = models.CharField(max_length=32) content = models.CharField(max_length=255) category = models.ForeignKey(Categoery) # article_type = models.ForeignKey(ArticleType) type_choice = [ (1,'Python'), (2,'Linux'), (3,'大数据'), (4,'架构'), ] article_type_id = models.IntegerField(choices=type_choice)
3、利用simple_tag把代码优化
关联文件:
from django.db import models # Create your models here. class Categoery(models.Model): caption = models.CharField(max_length=16) class ArticleType(models.Model): caption = models.CharField(max_length=16) class Article(models.Model): title = models.CharField(max_length=32) content = models.CharField(max_length=255) category = models.ForeignKey(Categoery) article_type = models.ForeignKey(ArticleType) # type_choice = [ # (1,'Python'), # (2,'Linux'), # (3,'大数据'), # (4,'架构'), # ] # article_type_id = models.IntegerField(choices=type_choice) 数据库文件.py
from django.shortcuts import render from django.shortcuts import HttpResponse # Create your views here. def index(request): return HttpResponse('Ok') from . import models def article(request, *args, **kwargs): search_dict = {} for key, value in kwargs.items(): kwargs[key] = int(value) # 把字符类型转化为int类型 方便前端做if a == b 这样的比较 if value != '0': search_dict[key] = value articles = models.Article.objects.filter(**search_dict) # 字典为空时表示搜索所有 article_type = models.ArticleType.objects.all() print(article_type) category = models.Categoery.objects.all() return render(request, 'article.html', {'articles': articles, 'article_type': article_type, 'category': category, 'kwargs': kwargs}) 处理文件.py
{% load filter %} 76c82f278ac045591c9159d381de2c57 100db36a723c770d327fc0aef2ce13b1 93f0f5c25f18dab9d176bd4f6de5d30e a80eb7cbb6fff8b0ff70bae37074b813 b2386ffb911b14667cb8f0f91ea547a7Title6e916e0f7d1e588d4f442bf645aedb2f c9ccee2e6ea535a969eb3f532ad9fe89 .condition a{ display:inline-block; padding: 3px 5px; border: 1px solid black; } .condition a.active{ background-color: brown; } 531ac245ce3e4fe3d50054a55f265927 9c3bca370b5104690d9ef395f2c5f8d1 6c04bd5ca3fcae76e30b72ad730ca86d c1a436a314ed609750bd7c7d319db4da过滤条件2e9b454fa8428549ca2e64dfac4625cd dc6dce4a544fdca2df29d5ac0ea9906b {% filter_all kwargs 'article_type'%} {% filter_single article_type kwargs 'article_type'%} 16b28748ea4df4d9c2150843fecfba68 dc6dce4a544fdca2df29d5ac0ea9906b {% filter_all kwargs 'category'%} {% filter_single category kwargs 'category'%} 16b28748ea4df4d9c2150843fecfba68 c1a436a314ed609750bd7c7d319db4da查询结果2e9b454fa8428549ca2e64dfac4625cd ff6d136ddc5fdfeffaf53ff6ee95f185 {% for row in articles %} 25edfb22a4f469ecb59f1190150159c6{{ row.id }}-{{ row.title }}------[{{ row.article_type.caption }}]-[{{ row.category.caption }}]bed06894275b65c1ab86501b08a632eb {% endfor %} 929d1f5ca49e04fdcb27f9465b944689 36cc49f0c466276486e50c850b7e4956 73a6ac4ed44ffec12cee46588e518a5e article.html
创建templatetags目录,在目录下创建filter.py文件:
from django import template from django.utils.safestring import mark_safe register = template.Library() @register.simple_tag def filter_all(kwargs,type_str): print(type_str) if type_str == 'article_type': if kwargs['article_type'] == 0: tmp = 'd0bc4868ae1f1ff1c94f379d51d89899 全部 5db79b134e9f6b82c0b36e0489ee08ed'%(kwargs['category']) else: tmp = '5b4a38184beb11dcff07b41757a60e18 全部 5db79b134e9f6b82c0b36e0489ee08ed'%(kwargs['category']) elif type_str == 'category': if kwargs['category'] == 0: tmp = '53ffd3320390aae5c9a1b7577e83bd73 全部 5db79b134e9f6b82c0b36e0489ee08ed' % (kwargs['article_type']) else: tmp = 'ea4c005b7a5cd7a87c1b4bb223203114 全部 5db79b134e9f6b82c0b36e0489ee08ed' % (kwargs['article_type']) return mark_safe(tmp) @register.simple_tag() def filter_single(type_obj,kwargs,type_str): print(type_str) tmp = '' if type_str == 'article_type': for row in type_obj: if row.id == kwargs['article_type']: tag = '9dba6e1a712676182e9928b187d05ff4%s5db79b134e9f6b82c0b36e0489ee08ed\n'%(row.id,kwargs['category'],row.caption) else: tag = 'd6329b2a69cc11866deec56d01dda4a9%s5db79b134e9f6b82c0b36e0489ee08ed\n' % (row.id, kwargs['category'],row.caption) tmp +=tag elif type_str == 'category': for row in type_obj: if row.id == kwargs['category']: tag = '9dba6e1a712676182e9928b187d05ff4%s5db79b134e9f6b82c0b36e0489ee08ed\n' % (kwargs['article_type'],row.id, row.caption) else: tag = 'd6329b2a69cc11866deec56d01dda4a9%s5db79b134e9f6b82c0b36e0489ee08ed\n' % (kwargs['article_type'], row.id, row.caption) tmp += tag return mark_safe(tmp)
HTML文件主体内容:
{% load filter %} 6c04bd5ca3fcae76e30b72ad730ca86d c1a436a314ed609750bd7c7d319db4da过滤条件2e9b454fa8428549ca2e64dfac4625cd 4981d39361bc2844bf84fbb6c43c223d {% filter_all kwargs 'article_type'%} {% filter_single article_type kwargs 'article_type'%} 16b28748ea4df4d9c2150843fecfba68 4981d39361bc2844bf84fbb6c43c223d {% filter_all kwargs 'category'%} {% filter_single category kwargs 'category'%} 16b28748ea4df4d9c2150843fecfba68 c1a436a314ed609750bd7c7d319db4da查询结果2e9b454fa8428549ca2e64dfac4625cd ff6d136ddc5fdfeffaf53ff6ee95f185 {% for row in articles %} 25edfb22a4f469ecb59f1190150159c6{{ row.id }}-{{ row.title }}------[{{ row.article_type.caption }}]-[{{ row.category.caption }}]bed06894275b65c1ab86501b08a632eb {% endfor %} 929d1f5ca49e04fdcb27f9465b944689 36cc49f0c466276486e50c850b7e4956
JSONP
JSONP(JSON with Padding)是JSON的一种“使用模式”,可用于解决主流浏览器的跨域数据访问的问题。由于同源策略,一般来说位于 server1.example.com 的网页无法与不是 server1.example.com的服务器沟通,而 HTML 的3f1c4e4b6b16bbbd69b2ee476dc4f83a 元素是一个例外。利用 3f1c4e4b6b16bbbd69b2ee476dc4f83a 元素的这个开放策略,网页可以得到从其他来源动态产生的 JSON 资料,而这种使用模式就是所谓的 JSONP。用 JSONP 抓到的资料并不是 JSON,而是任意的JavaScript,用 JavaScript 直译器执行而不是用 JSON 解析器解析。
原理:
- 创建script标签
- src=远程地址
- 返回的数据必须是js格式
- 只能发GET请求
1、什么是同源策略?
处理文件:
import requests def jsonp(request): # 获取url信息 response = requests.get('http://weatherapi.market.xiaomi.com/wtr-v2/weather?cityId=101121301') response.encoding = 'utf-8' # 进行编码 return render(request,'jsonp.html',{'result':response.text}) # response.text 请求内容
HTML文件:
<body> <h1>后台获取的结果</h1> {{ result }} <h1>js直接获取结果</h1> <input type="button" value="获取数据" onclick="getContent();" /> <div id="container"></div> <script src="/static/jquery-1.8.2.js"></script> <script> function getContent() { var xhr = new XMLHttpRequest(); // 创建对象 xhr.open('GET', 'http://weatherapi.market.xiaomi.com/wtr-v2/weather?cityId=101121301'); // GET方式打开 xhr.onreadystatechange = function () { // 收到返回值时执行 console.log(xhr.responseText); }; xhr.send() // 发送 } </script> </body>
注:点击js直接获取结果时,浏览器显示下面报错信息,由于浏览器只接受http://127.0.0.1:8000发过来的信息,对于天气网站发过来的信息直接屏蔽掉了,这就是同源策略,那有没有什么方式可以解决?
XMLHttpRequest cannot load http://weatherapi.market.xiaomi.com/wtr-v2/weather?cityId=101121301. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://127.0.0.1:8000' is therefore not allowed access.
2、巧用script标签src属性
script标签不受同源策略的影响
处理文件:
import requests def jsonp(request): # 获取url信息 response = requests.get('http://weatherapi.market.xiaomi.com/wtr-v2/weather?cityId=101121301') response.encoding = 'utf-8' # 进行编码 return render(request,'jsonp.html',{'result':response.text}) # response.text 请求内容 def jsonp_api(request): return HttpResponse('alert(123)')
HTML文件:
<body> <h1>后台获取的结果</h1> {{ result }} <h1>js直接获取结果</h1> <input type="button" value="获取数据" onclick="getContent();" /> <div id="container"></div> <script> function getContent() { var tag = document.createElement('script'); tag.src = '/jsonp_api.html'; document.head.appendChild(tag); // document.head.removeChild(tag); } </script> </body>
注:js请求时为了方便,还是请求的是当前程序url;执行完上面代码会发现一个神奇的状况,页面会弹出123信息,表明script获取信息成功
3、对前后端稍加改造,使用方法更加动态化
处理文件:
def jsonp(request): return render(request,'jsonp.html') # response.text 请求内容 def jsonp_api(request): func = request.GET.get('callback') # 获取用户callback参数 content = '%s(10000)'%func # 执行func(10000)函数 return HttpResponse(content)
HTML文件:
<body> <h1>后台获取的结果</h1> {{ result }} <h1>js直接获取结果</h1> <input type="button" value="获取数据" onclick="getContent();" /> <div id="container"></div> <script> function getContent() { var tag = document.createElement('script'); tag.src = '/jsonp_api.html?callback=list'; // 自定义callback参数,与后台达成默契 document.head.appendChild(tag); // document.head.removeChild(tag); } function list(arg){ // 自定义函数与callback=list相对应 alert(arg); } </script> </body>
注:js发请求时,带上callback参数,然后定义参数对应的方法,后台会把数据传入此方法内并且执行执行;至于要打印还是弹框,就看用户自己的需求去处理了;jsonp的原理和实现过程就是上述代码的实现
4、实例应用+ajax
处理文件:
import requests def jsonp(request): response = requests.get('http://www.jxntv.cn/data/jmd-jxtv2.html?callback=list&_=1454376870403') response.encoding = 'utf-8' # 进行编码 return render(request, 'jsonp.html', {'result': response.text}) # response.text 请求内容
HTML文件:
<body> <h1>后台获取的结果</h1> {{ result }} <h1>js直接获取结果</h1> <input type="button" value="获取数据" onclick="getContent();" /> <div id="container"></div> <script src="/static/jquery-1.8.2.js"></script> <script> function getContent() { $.ajax({ url: 'http://www.jxntv.cn/data/jmd-jxtv2.html?callback=list&_=1454376870403', type: 'POST', dataType: 'jsonp', // 即使写的type是POST也是按照GET请求发送 jsonp: 'callback', jsonpCallback: 'list' }); } function list(arg){ // 自定义函数与callback=list相对应 console.log(arg); var data = arg['data']; for(k in data){ var tr = document.createElement('td'); var week = data[k]['week']; var list = data[k]['list']; tr.textContent =week document.body.appendChild(tr); console.log(week); for(i in list){ var name = list[i]['name']; console.log(name) }}} </script> </body>
list({data:[ { "week":"周日", "list":[ { "time":"0030", "name":"通宵剧场六集连播", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"0530", "name":"《都市现场》60分钟精编版(重播)", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"0630", "name":"《快乐生活一点通》", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"0700", "name":"《e早晨报》60分钟直播版块", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"0800", "name":"精选剧场四集连播", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1120", "name":"《地宝当家》(重播)", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1200", "name":"《都市60分》60分钟直播版块", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1300", "name":"《谁是赢家》", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1400", "name":"女性剧场三集连播", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1700", "name":"《快乐生活一点通》精编版", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1730", "name":"《地宝当家》", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { 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}, { "time":"2020", "name":"《都市剧场》黄金剧(第1集)", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"2110", "name":"《都市剧场》黄金剧(第2集)", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"2200", "name":"《拍案》", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"2230", "name":"江西新闻联播(重播)", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"2250", "name":"都市晚剧场", "link":"http://www.jxntv.cn/live/jxtv2.shtml" } ] },{ "week":"周五", "list":[ { "time":"0030", "name":"通宵剧场六集连播", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"0530", "name":"《都市现场》60分钟精编版(重播)", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"0630", "name":"《快乐生活一点通》", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"0700", "name":"《e早晨报》60分钟直播版块", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"0800", "name":"精选剧场四集连播", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1120", "name":"《地宝当家》(重播)", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { 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"link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"2250", "name":"都市晚剧场", "link":"http://www.jxntv.cn/live/jxtv2.shtml" } ] },{ "week":"周六", "list":[ { "time":"0030", "name":"通宵剧场六集连播", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"0530", "name":"《都市现场》60分钟精编版(重播)", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"0630", "name":"《快乐生活一点通》", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"0700", "name":"《e早晨报》60分钟直播版块", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"0800", "name":"精选剧场四集连播", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1120", "name":"《地宝当家》(重播)", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1200", "name":"《都市60分》60分钟直播版块", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1300", "name":"《谁是赢家》", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1400", "name":"女性剧场三集连播", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1700", "name":"《快乐生活一点通》精编版", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1730", "name":"《地宝当家》", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1800", "name":"《都市现场》90分钟直播版块", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"1930", "name":"《都市情缘》", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"2000", "name":"《晚间800》", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"2020", "name":"《都市剧场》黄金剧(第1集)", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"2110", "name":"《都市剧场》黄金剧(第2集)", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"2200", "name":"《拍案》", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"2230", "name":"江西新闻联播(重播)", "link":"http://www.jxntv.cn/live/jxtv2.shtml" }, { "time":"2250", "name":"都市晚剧场", "link":"http://www.jxntv.cn/live/jxtv2.shtml" } ] }] });
注:实现的过程跟第3自己写的代码一毛一样,也是创建个script然后再删除
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Python和C 各有优势,选择应基于项目需求。1)Python适合快速开发和数据处理,因其简洁语法和动态类型。2)C 适用于高性能和系统编程,因其静态类型和手动内存管理。

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Python更适合数据科学和快速开发,C 更适合高性能和系统编程。1.Python语法简洁,易于学习,适用于数据处理和科学计算。2.C 语法复杂,但性能优越,常用于游戏开发和系统编程。

每天投入两小时学习Python是可行的。1.学习新知识:用一小时学习新概念,如列表和字典。2.实践和练习:用一小时进行编程练习,如编写小程序。通过合理规划和坚持不懈,你可以在短时间内掌握Python的核心概念。

Python更易学且易用,C 则更强大但复杂。1.Python语法简洁,适合初学者,动态类型和自动内存管理使其易用,但可能导致运行时错误。2.C 提供低级控制和高级特性,适合高性能应用,但学习门槛高,需手动管理内存和类型安全。


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