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  • HTML给整个框架插入背景图片

    万次阅读 2019-03-21 09:48:05
    --.png,即是你背景图片的地址,我是将之放在了html同一目录下--> <style> .xue{ background-image: url(你的图片的名称.png); background-repeat: repeat; } </style> </head> ...
    <html>
    <head>
    
     <!--.png,即是你背景图片的地址,我是将之放在了html同一目录下-->
    <style>
    		.xue{
    			background-image: url(你的图片的名称.png);
    			background-repeat: repeat;
    		}
    	</style>
    </head>
    
    <body class="xue">
    <!--你的框架中的内容,这里会有多个<div> </div>嵌套-->
    <div class="***">
    .......
    </div>
    
    </body>
    
    </html>

    <body class="xue">,中的"xue"为自定义,与<style>中的.xue想对应;

    若有好的建议请留言,谢谢!!!

    展开全文
  • 可以在主框架包括边条和底部滑动条的情况下,正确的在客户区域加载背景图片,并且可以使用tile,Center,Stretch功能。同时可以在客户区底部加载水印字体,可以改变客户区域和水印字体的背景色、前景色和水印字体的...

    可以在主框架包括边条和底部滑动条的情况下,正确的在客户区域加载背景图片,并且可以使用tile,Center,Stretch功能。同时可以在客户区底部加载水印字体,可以改变客户区域和水印字体的背景色、前景色和水印字体的大小。

    注意到一个关于颜色数的问题:

    LoadMappedBitmap函数对超过256色的图像好像无效,而且会死掉。对不超过256色的图像是有效的。

    LoadBitmap函数没有对颜色数作限制,至少我的24位位图图像成功加载。

    主框架和视图均可以全屏/非全屏切换。

    展开全文
  • 目标数据: zol桌面壁纸,[风景] [1920*1080] 分类下19页每个图册的图片 items.py import scrapy class Zol2Item(scrapy.Item): # define the fields for your item here like: # name = scrapy.Field() ...

    目标数据: zol桌面壁纸,[风景] [1920*1080] 分类下19页每个图册的图片

    items.py

    import scrapy
    
    
    class Zol2Item(scrapy.Item):
        # define the fields for your item here like:
        # name = scrapy.Field()
        image_urls = scrapy.Field()
        images = scrapy.Field()
    
        image_title = scrapy.Field()

    pipelines.py 

    from scrapy import Request
    from scrapy.pipelines.images import ImagesPipeline
    
    class ZolPipeline(ImagesPipeline):
        # num = 1
        def get_media_requests(self, item, info):
            image_url = item["image_urls"]
            if image_url:
                # self.num + 1
                yield Request(url=image_url, meta={"item": item})
    
        def file_path(self, request, response=None, info=None):
            ## start of deprecation warning block (can be removed in the future)
            def _warn():
                from scrapy.exceptions import ScrapyDeprecationWarning
                import warnings
                warnings.warn('ImagesPipeline.image_key(url) and file_key(url) methods are deprecated, '
                              'please use file_path(request, response=None, info=None) instead',
                              category=ScrapyDeprecationWarning, stacklevel=1)
    
            # check if called from image_key or file_key with url as first argument
            if not isinstance(request, Request):
                _warn()
                url = request
            else:
                url = request.url
    
            # detect if file_key() or image_key() methods have been overridden
            if not hasattr(self.file_key, '_base'):
                _warn()
                return self.file_key(url)
            elif not hasattr(self.image_key, '_base'):
                _warn()
                return self.image_key(url)
            ## end of deprecation warning block
    
            return 'desk/{}.jpg'.format(request.meta["item"]["image_title"])

    middlewares.py

    from scrapy import signals
    from zol2.useragents import agents
    
    
    class Zol2SpiderMiddleware(object):
        # Not all methods need to be defined. If a method is not defined,
        # scrapy acts as if the spider middleware does not modify the
        # passed objects.
    
        @classmethod
        def from_crawler(cls, crawler):
            # This method is used by Scrapy to create your spiders.
            s = cls()
            crawler.signals.connect(s.spider_opened, signal=signals.spider_opened)
            return s
    
        def process_spider_input(self, response, spider):
            # Called for each response that goes through the spider
            # middleware and into the spider.
    
            # Should return None or raise an exception.
            return None
    
        def process_spider_output(self, response, result, spider):
            # Called with the results returned from the Spider, after
            # it has processed the response.
    
            # Must return an iterable of Request, dict or Item objects.
            for i in result:
                yield i
    
        def process_spider_exception(self, response, exception, spider):
            # Called when a spider or process_spider_input() method
            # (from other spider middleware) raises an exception.
    
            # Should return either None or an iterable of Response, dict
            # or Item objects.
            pass
    
        def process_start_requests(self, start_requests, spider):
            # Called with the start requests of the spider, and works
            # similarly to the process_spider_output() method, except
            # that it doesn’t have a response associated.
    
            # Must return only requests (not items).
            for r in start_requests:
                yield r
    
        def spider_opened(self, spider):
            spider.logger.info('Spider opened: %s' % spider.name)
    
    
    class Zol2DownloaderMiddleware(object):
        # Not all methods need to be defined. If a method is not defined,
        # scrapy acts as if the downloader middleware does not modify the
        # passed objects.
    
        @classmethod
        def from_crawler(cls, crawler):
            # This method is used by Scrapy to create your spiders.
            s = cls()
            crawler.signals.connect(s.spider_opened, signal=signals.spider_opened)
            return s
    
        def process_request(self, request, spider):
            # Called for each request that goes through the downloader
            # middleware.
    
            # Must either:
            # - return None: continue processing this request
            # - or return a Response object
            # - or return a Request object
            # - or raise IgnoreRequest: process_exception() methods of
            #   installed downloader middleware will be called
            return None
    
        def process_response(self, request, response, spider):
            # Called with the response returned from the downloader.
    
            # Must either;
            # - return a Response object
            # - return a Request object
            # - or raise IgnoreRequest
            return response
    
        def process_exception(self, request, exception, spider):
            # Called when a download handler or a process_request()
            # (from other downloader middleware) raises an exception.
    
            # Must either:
            # - return None: continue processing this exception
            # - return a Response object: stops process_exception() chain
            # - return a Request object: stops process_exception() chain
            pass
    
        def spider_opened(self, spider):
            spider.logger.info('Spider opened: %s' % spider.name)

     

    settings.py

    # -*- coding: utf-8 -*-
    
    # Scrapy settings for zol2 project
    #
    # For simplicity, this file contains only settings considered important or
    # commonly used. You can find more settings consulting the documentation:
    #
    #     https://doc.scrapy.org/en/latest/topics/settings.html
    #     https://doc.scrapy.org/en/latest/topics/downloader-middleware.html
    #     https://doc.scrapy.org/en/latest/topics/spider-middleware.html
    
    BOT_NAME = 'zol2'
    
    SPIDER_MODULES = ['zol2.spiders']
    NEWSPIDER_MODULE = 'zol2.spiders'
    
    
    # Crawl responsibly by identifying yourself (and your website) on the user-agent
    USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.75 Safari/537.36'
    
    # Obey robots.txt rules
    # ROBOTSTXT_OBEY = True
    
    # Configure maximum concurrent requests performed by Scrapy (default: 16)
    #CONCURRENT_REQUESTS = 32
    
    # Configure a delay for requests for the same website (default: 0)
    # See https://doc.scrapy.org/en/latest/topics/settings.html#download-delay
    # See also autothrottle settings and docs
    DOWNLOAD_DELAY = 0.5
    # The download delay setting will honor only one of:
    #CONCURRENT_REQUESTS_PER_DOMAIN = 16
    #CONCURRENT_REQUESTS_PER_IP = 16
    
    # Disable cookies (enabled by default)
    #COOKIES_ENABLED = False
    
    # Disable Telnet Console (enabled by default)
    #TELNETCONSOLE_ENABLED = False
    
    # Override the default request headers:
    #DEFAULT_REQUEST_HEADERS = {
    #   'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
    #   'Accept-Language': 'en',
    #}
    
    # Enable or disable spider middlewares
    # See https://doc.scrapy.org/en/latest/topics/spider-middleware.html
    #SPIDER_MIDDLEWARES = {
    #    'zol2.middlewares.Zol2SpiderMiddleware': 543,
    #}
    
    # Enable or disable downloader middlewares
    # See https://doc.scrapy.org/en/latest/topics/downloader-middleware.html
    #DOWNLOADER_MIDDLEWARES = {
    #    'zol2.middlewares.Zol2DownloaderMiddleware': 543,
    #}
    
    # Enable or disable extensions
    # See https://doc.scrapy.org/en/latest/topics/extensions.html
    #EXTENSIONS = {
    #    'scrapy.extensions.telnet.TelnetConsole': None,
    #}
    
    # Configure item pipelines
    # See https://doc.scrapy.org/en/latest/topics/item-pipeline.html
    ITEM_PIPELINES = {
       'zol2.pipelines.Zol2Pipeline': 300,
    }
    IMAGES_STORE = "/home/pyvip/env_spider/zol2/zol2/images"
    
    # Enable and configure the AutoThrottle extension (disabled by default)
    # See https://doc.scrapy.org/en/latest/topics/autothrottle.html
    #AUTOTHROTTLE_ENABLED = True
    # The initial download delay
    #AUTOTHROTTLE_START_DELAY = 5
    # The maximum download delay to be set in case of high latencies
    #AUTOTHROTTLE_MAX_DELAY = 60
    # The average number of requests Scrapy should be sending in parallel to
    # each remote server
    #AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
    # Enable showing throttling stats for every response received:
    #AUTOTHROTTLE_DEBUG = False
    
    # Enable and configure HTTP caching (disabled by default)
    # See https://doc.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
    #HTTPCACHE_ENABLED = True
    #HTTPCACHE_EXPIRATION_SECS = 0
    #HTTPCACHE_DIR = 'httpcache'
    #HTTPCACHE_IGNORE_HTTP_CODES = []
    #HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'

    pazol2.py

    # -*- coding: utf-8 -*-
    import scrapy
    from scrapy.linkextractors import LinkExtractor
    from scrapy.spiders import CrawlSpider, Rule
    from zol2.items import Zol2Item
    
    class Pazol2Spider(CrawlSpider):
        name = 'pazol2'
        # allowed_domains = ['desk.zol.com.cn']
        start_urls = ['http://desk.zol.com.cn/fengjing/1920x1080/']
        front_url = "http://desk.zol.com.cn"
        num = 1
    
        rules = (
            # 1.解决翻页
            Rule(LinkExtractor(allow=r'/fengjing/1920x1080/[0-1]?[0-9]?.html'), callback='parse_album', follow=True),
            # 2.进入各个图库的每一张图片页
            Rule(LinkExtractor(allow=r'/bizhi/\d+_\d+_\d+.html', restrict_xpaths=("//div[@class='main']/ul[@class='pic-list2  clearfix']/li", "//div[@class='photo-list-box']")), follow=True),
            # 3.点击各个图片1920*1080按钮,获得html
            Rule(LinkExtractor(allow=r'/showpic/1920x1080_\d+_\d+.html'), callback='get_img', follow=True),
        )
    
        def get_img(self, response):
            item = Zol2Item()
            item['image_urls'] = response.xpath("//body/img[1]/@src").extract_first()
            item['image_title'] = str(self.num)
            self.num += 1
            yield item

    爬取结果

     

     

    共爬取了4517张图片,用时108分钟

    放在桌面图库,半小时换一张,美滋滋。

    展开全文
  • 登录验证或者发送短信验证时所需的验证码背景图片。只有图片,具体实现功能请看博客
  • 在frameset框架集中应用背景图片

    热门讨论 2012-10-12 09:11:50
    该文档资料适合WEB开发人员使用,对于构建精美的外观有极大帮助!
  • 使用了frameset框架后,如何给网页设置背景图片呢,因为没有body标签了,怎么设置背景图片呢!!
  • 框架内添加背景图片

    千次阅读 2012-07-25 20:50:57
     private JFrame frame = new JFrame("背景图片测试");  private JPanel imagePanel;  private ImageIcon background;  public static void main(String[] args) {  new JFrameBackground(); ...
    
    

    import java.awt.FlowLayout;

    import javax.swing.ImageIcon;
    import javax.swing.JButton;
    import javax.swing.JFrame;
    import javax.swing.JLabel;
    import javax.swing.JPanel;

    public class JFrameBackground {

     private JFrame frame = new JFrame("背景图片测试");

     private JPanel imagePanel;

     private ImageIcon background;

     public static void main(String[] args) {
      new JFrameBackground();
     }

     public JFrameBackground() {
      background = new ImageIcon("003.jpg");// 背景图片
      JLabel label = new JLabel(background);// 把背景图片显示在一个标签里面
      // 把标签的大小位置设置为图片刚好填充整个面板
      label.setBounds(0, 0, background.getIconWidth(),
        background.getIconHeight());
      // 把内容窗格转化为JPanel,否则不能用方法setOpaque()来使内容窗格透明
      imagePanel = (JPanel) frame.getContentPane();
      imagePanel.setOpaque(false);
      // 内容窗格默认的布局管理器为BorderLayout
      imagePanel.setLayout(new FlowLayout());
      imagePanel.add(new JButton("测试按钮"));

      frame.getLayeredPane().setLayout(null);
      // 把背景图片添加到分层窗格的最底层作为背景
      frame.getLayeredPane().add(label, new Integer(Integer.MIN_VALUE));
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.setSize(background.getIconWidth(), background.getIconHeight());
      frame.setResizable(false);
      frame.setVisible(true);
     }

    展开全文
  • extjs框架panel中怎么设置水印,要实现水印覆盖panel中的表格columns。(水印要半透明的样子,不能看不见表格)各位大神看看怎么实现。
  • 调整图片大小的时候不能直接使用frame来调整,这里的frame是readonly属性,要用size来调整。 let background2 = SKSpriteNode.init(imageNamed: "background2") background2.position = CGPoint(x: size.width/2,...
  • 在vue2框架中,使用背景图片时,在build压缩代码环节图片找不到路径 答:原因是build压缩时背景图片的地址被替换了 解决办法:如果是用vue-cli搭建基础框架的可以改build/util.js下面语句块。主要添加了 public...
  • python的flask框架下,HTML无法加载CSS和背景图片的问题 场景: 因为webpy启动web服务器的时候会在当前工作目录下建一个static文件夹, 当web服务器启动的时候会自动在这个文件夹里寻找静态文件。 解决: 先在这个...
  • VC2010&2012;框架背景

    2013-03-04 11:21:11
    网上现有的介绍VC中如何给框架背景图片资料只对VC2010以下的有效,而VC2010及其以上对框架类做了某些更改,使得不在适用,在m_wndMDIClient.SubclassWindow(m_hWndMDIClient);时会出错。我上传的资料对VC2010&2012...
  • vivacitas网站框架,按钮切换图片,海上夜色背景特效,它是基于jQuery的类似FLASH效果、scroll,jQuery插件,横向滚动应用,jQuery插件形式为前端提供很多比较酷炫的应用,让我们继续探讨更多jQuery前端交互效果!...
  • 定制MFC多文档窗口的主框架背景

    千次阅读 2017-02-13 13:45:37
    如上图所示,这是用MFC创建的多文档程序,可以看到主框架背景区是灰色的,如果我要在这块区域贴一张图片,应该怎么办呢?最容易想到的是在CMainFrame的OnPaint中对背景进行更改,代码如下: (为了简便,这里改...
  • 解决方案 1、使用 virtual BOOL PreTranslateMessage(MSG* pMsg);...2、在OnPaint事件中添加背景图片或颜色 demo: MainFrame.h afx_msg void OnPaint(); virtual BOOL PreTranslateMessage(MSG* pMsg); Ma
  • 但问题就是,我想要使用的背景图片总是加载不了,power shell总是提示404找不到图片,试过把图片放到各种地方。我下载的一个html模板可以用浏览器直接完整打开,可是用webpy就会失去背景和渲染的特性…… 这是为什么...
  • 文章目录1.... HTML 背景2.1 background 设置背景图片2.2 bgcolor 设置背景颜色 1. HTML5 框架 这里主要讲解 <内联框架> iframe 1.1 HTML 内联框架 iframe 首先建立一个 HTML 文件 framea...
  • 第二张,第三张PPT背景图片是线描的彩绘PPT文本框架;本套幻灯片背景图片,可以在花卉边框以内填写PPT文本内容;适合用于制作与幼儿美术教育相关幻灯片; 关键词:彩绘PPT背景图片,线描PPT背景图片,PPT边框背景...
  • ``` $(document).ready(function () { $('body').layout({ applyDefaultStyles: true });...[图片说明]... 想给背景设置颜色怎么弄? 麻烦会的大神说的详细一点。
  • html怎么设置背景图片全屏平铺?1、新建一个html文档。2、设置一下HTML的框架,然后把图片设置在同一个文件夹里面。3、加入,这样可以有样式设置。4、因为背景设置在主体,所以还要定义为body{}。5、background-...
  • 使 用VC进行项目开发,特别是简单...因此给主框 架窗口提供一个背景图片就显得很有必要(例如一用户满意的LOGO等)。但是对于主框架的背景的绘制不能简单地用ClassWizard重载 OnEraseBkgnd(CDC* pDC)函数的方法实现。
  • 这个问题困扰好久,动态改变body高度就OK了...只需要在框架初始化函数下面,执行下面代码// 每次激活当前视图,都会进行数据加载 onActivateView: function () { $('body').height($('body')[0].clientHeight); },...
  • 在使用的一个ext框架做的管理系统中,登录界面是使用Ext.window.Window实现,背景是半透明的效果,也可以设置为透明,效果如下现有需求要去掉那个半透明,换个底色或者图片。Ext.window.Window中有maximized这个参数...
  • 我通过框架从网络下载图片得到一个bitmap。 我想把这个bitmap作为LinearLayout的背景图片该怎么赋值?
  • 这是四张绿色简洁墨迹幻灯片背景图片,第一PPT模板网提供幻灯片背景图片免费下载; PPT背景图片非常简洁,第一张左下角有淡淡的墨迹;第二张有水墨装饰墙、树木、山石;第三张藤蔓植物框架内有淡淡的底纹;第四张...
  • 这是五张绿色卡通简洁PPT背景图片,第一PPT模板网提供幻灯片背景图片免费下载; PPT背景图片比较简洁,第一张有大的鸟、桃花,右下角小小的卡通城堡;第二张,下着雨的水面荷叶上,隐约可见妈妈给宝宝撑着伞;第三...
  • Web前端框架图片轮播

    千次阅读 2015-07-26 11:28:33
    前端框架,前端组件,前端库,都是一个意思,能看源码。 最近做H5小游戏,用到了图片轮播的组件,而且要求支持...背景:因工作需求,需要完成一个图片轮播效果,因博主不是专业的前端开发人员,so google之,经过挑选最
  • 框架页面内容 :frame.jsp 此网页使用了框架,但您的浏览器不支持框架。--
  • 取消样式中的背景颜色or背景图片就可以正常显示,查看其它样式,都没问题;在table border-collapse : collapse; border-spacing : 0; 的样式中,去掉 border-collapse: collapse; 的样式,发现...

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