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使用jQuery和PHP将Fckeditor发布的内容进行无刷新分页

Jun 21, 2016 am 08:50 AM
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Fckeditor是一款所见即所得的WEB编辑器,它常被用作后台编辑发布信息。当要发布的内容很多很长时,就要考虑前台显示的分页效果了,本文将使用jQuery,并结合PHP,将Fckeditor发布的内容进行分页,并且实现无刷新切换页面。

关于Fckeditor使用,笔者不想多言。本文假设你是WEB开发人员,掌握了jQuery和PHP相关知识,并且熟知Fckeditor的配置和使用。

Fckeditor编辑器有一个插入分页符的功能按钮,点击该按钮,将会在内容区插入一条分页符,如下图红色框标注:

分页符对应生成的html代码是:

 
<div><span> </span></div> 
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我们实际应用情况是这样的:后台通过Fckeditor编辑器发布的内容,提交到数据库,前台通过PHP链接数据库获取发布的内容,然后将长内容进行分割,并进行分页。

 

PHP

PHP将内容分割的方法如下:

 
function pageBreak($content){ 
    $content  = $content; 
    $pattern  = "/<div><span>  
/"; 
    $strSplit = preg_split($pattern, $content, -1, PREG_SPLIT_NO_EMPTY); 
    $count    = count($strSplit); 
    $outStr   = ""; 
    $i        = 1; 
 
    if ($count > 1 ) { 
        $outStr   = "<div>"; 
        foreach($strSplit as $value) { 
            if ($i $value</div>"; 
            } else { 
                $outStr .= "<div>$value</div>"; 
            } 
            $i++; 
        } 
 
        $outStr .= "<div>"; 
        for ($i = 1; $i $i"; 
        } 
        $outStr .= "</div></span></div>"; 
        return $outStr; 
    } else { 
        return $content; 
    } 
} 
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可以看出啦,上述代码中的$pattern就是Fckeditor编辑器生成的分页符代码,然后PHP通过preg_split()函数比对内容,以分隔符为分界点,将内容分割为多个page_,并且生成分页导航按钮。使用时只需调用pageBreak($content)即可。

CSS

我们通过CSS来呈现分页按钮的风格,当然你可以修改这些CSS,定制你想要的外观。

 
#page_break {} 
#page_break .collapse {display: none;} 
#page_break .num {padding: 10px 0;text-align: center;} 
#page_break .num li{display: inline; margin: 0 2px;padding: 3px 5px;border:1px solid #abcee4; 
background-color: #fff;color: #369;text-align: center;cursor: pointer;overflow: hidden;} 
#page_break .num li.on{background-color: #369;color: #fff;font-weight: bold;} 
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jQuery

 
$(function(){ 
    $('#page_break .num li:first').addClass('on'); 
 
    $('#page_break .num li').click(function(){ 
        //隐藏所有页内容 
        $("#page_break div[id^='page_']").hide(); 
 
        //显示当前页内容。 
        if ($(this).hasClass('on')) { 
            $('#page_break #page_' + $(this).text()).show(); 
        } else { 
            $('#page_break .num li').removeClass('on'); 
            $(this).addClass('on'); 
            $('#page_break #page_' + $(this).text()).fadeIn('normal'); 
        } 
    }); 
}); 
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我们使用jQuery将分页导航按钮的第一页设置为当前状态,然后通过单击分页按钮,切换按钮的状态,并且显示对应页的内容。

顺便说一下,文章标题说的是无刷新,其实这不是Ajax的无刷新效果,而是通过jQuery控制页面内容的显示与隐藏,页面内容是一次性读取载入的。



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