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  • Play Framework 完整实现一个APP(五)

    程序以及基本可用了,需要继续完善页面

    1.创建页面模板

    创建文件 app/views/tags/display.html 

    *{ Display a post in one of these modes: 'full', 'home' or 'teaser' }*
     
    <div class="post ${_as == 'teaser' ? 'teaser' : ''}">
        <h2 class="post-title">
            <a href="#">${_post.title}</a>
        </h2>
        <div class="post-metadata">
            <span class="post-author">by ${_post.author.fullname}</span>,
            <span class="post-date">${_post.postedAt.format('dd MMM yy')}</span>
            #{if _as != 'full'}
                <span class="post-comments">
                     |  ${_post.comments.size() ?: 'no'} 
                    comment${_post.comments.size().pluralize()}
                    #{if _post.comments}
                        , latest by ${_post.comments[0].author}
                    #{/if}
                </span>
            #{/if}
        </div>
        #{if _as != 'teaser'}
            <div class="post-content">
                <div class="about">Detail: </div>
                ${_post.content.nl2br()}
            </div>
        #{/if}
    </div>
     
    #{if _as == 'full'}
        <div class="comments">
            <h3>
                ${_post.comments.size() ?: 'no'} 
                comment${_post.comments.size().pluralize()}
            </h3>
            
            #{list items:_post.comments, as:'comment'}
                <div class="comment">
                    <div class="comment-metadata">
                        <span class="comment-author">by ${comment.author},</span>
                        <span class="comment-date">
                            ${comment.postedAt.format('dd MMM yy')}
                        </span>
                    </div>
                    <div class="comment-content">
                        <div class="about">Detail: </div>
                        ${comment.content.escape().nl2br()}
                    </div>
                </div>
            #{/list}
            
        </div>
    #{/if}
    

      

      

    修改index.html

    #{extends 'main.html' /}
    #{set title:'Home' /}
     
    #{if frontPost}
        
        #{display post:frontPost, as:'home' /}
        
        #{if olderPosts.size()}
        
            <div class="older-posts">
                <h3>Older posts <span class="from">from this blog</span></h3>
            
                #{list items:olderPosts, as:'oldPost'}
                    #{display post:oldPost, as:'teaser' /}
                #{/list}
            </div>
            
        #{/if}
        
    #{/if}
     
    #{else}
        <div class="empty">
            There is currently nothing to read here.
        </div>
    #{/else}
    

      

      

    2.修改Layout  viewsmain.html

    <!DOCTYPE html>
    
    <html>
        <head>
            <title>#{get 'title' /}</title>
            <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
            <link rel="stylesheet" type="text/css" media="screen" href="@{'/public/stylesheets/main.css'}">
            <link rel="shortcut icon" type="image/png" href="@{'/public/images/favicon.png'}">
        </head>
        <body>
            <div id="header">
                <div id="logo">
                    yabe.
                </div>
                <ul id="tools">
                    <li>
                        <a href="#">Log in to write something</a>
                    </li>
                </ul>
                <div id="title">
                    <span class="about">About this blog</span>
                    <h1><a href="#">${blogTitle}</a></h1>
                    <h2>${blogBaseline}</h2>
                </div>
            </div>
           
             <div id="main">
                #{doLayout /} 
            </div>
            
             <p id="footer">
                Yabe is a (not that) powerful blog engine built with the 
                <a href="http://www.playframework.org">Play framework</a>
                as a tutorial application.
            </p>
    
        </body>
    </html>
    

      

    3. Application.java 中添加方法,在页面上添加元素

    @Before
    static void addDefaults() {
    	renderArgs.put("blogTitle", Play.configuration.getProperty("blog.title"));
    	renderArgs.put("blogBaseline", Play.configuration.getProperty("blog.baseline"));
    }
    

    添加渲染 blog.title blog.baseline

    4.修改配置文件 confapplication.conf

    # Blog engine configuration
    # ~~~~~
    blog.title=Yet another blog
    blog.baseline=We won't write about anything
    

      

    5.添加页面样式

    CSS: http://play-framework.herokuapp.com/zh/files/main.css

    添加到 /public/stylesheets/main.css

    运行效果:

    ..

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  • 原文地址:https://www.cnblogs.com/alex09/p/4917169.html
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