PHP paging code example_PHP tutorial-PHP Tutorial-php.cn

PHP paging code example_PHP tutorial
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Release： 2016-07-20 11:14:49
Original
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<span $result</span> = "<div class=\"page-num\"><ul class=\"fn-clear\">"<span ;
    
    </span><span //</span><span  上一页</span>
    <span if</span> (<span $offset</span>>0<span ) {
        </span><span $result</span> .= "<span <li>
            <a href=\"</span>".<span $url</span>.'offset='.(<span $offset</span>-<span $maxrow</span>)."<span \">Prev</a>
        </li></span>"<span ;
    }
    
    </span><span $pages</span> = <span $allPageNums</span>;  <span //</span><span 总页数</span>
    <span $page</span> = <span $curPage</span>;    <span //</span><span 当前页数</span>
    <span $page_len</span> = 9<span ;
    </span><span $page_len</span> = (<span $page_len</span>%2)?<span $page_len</span>:<span $pagelen</span>+1;<span //</span><span 页码个数 </span>
    <span $pageoffset</span> = (<span $page_len</span>-1)/2;<span //</span><span 页码个数左右偏移量 </span>
    <span if</span>(<span $pages</span>><span $page_len</span><span ){ 
        </span><span //</span><span 如果当前页小于等于左偏移 </span>
        <span if</span>(<span $page</span><=<span $pageoffset</span><span ){ 
            </span><span $init</span>=1<span ; 
            </span><span $max_p</span> = <span $page_len</span><span ; 
        }</span><span else</span>{<span //</span><span 如果当前页大于左偏移 
            //如果当前页码右偏移超出最大分页数 </span>
            <span if</span>(<span $page</span>+<span $pageoffset</span>>=<span $pages</span>+1<span ){ 
                </span><span $init</span> = <span $pages</span>-<span $page_len</span>+1<span ;<br />　　　　　　　　　$max_p = $pages; 
            }</span><span else</span><span { 
                </span><span //</span><span 左右偏移都存在时的计算 </span>
                <span $init</span> = <span $page</span>-<span $pageoffset</span><span ; 
                </span><span $max_p</span> = <span $page</span>+<span $pageoffset</span><span ; 
            } 
        } 
    } else {<br />　　<br />　　　　　　$init = 1;<br />　　　　　　$max_p = $pages;<br />　　}

    </span><span for</span>(<span $i</span>=<span $init</span>; <span $i</span><=<span $max_p</span>; <span $i</span>++<span ) {
        
        </span><span if</span> ( <span $i</span> == <span $curPage</span><span  ) {
            </span><span $result</span> .=    "<li class=\"on\"><a href=\"".<span $url</span>.'offset='.(<span $i</span>*<span $maxrow</span>)."\" ><span $i</span></a></li>"<span ;
            </span><span continue</span><span ;
        }
        
        </span><span $result</span> .=    "<li><a href=\"".<span $url</span>.'offset='.((<span $i</span>-1)*<span $maxrow</span>)."\"><span $i</span></a></li>"<span ;
        
    }
    
    </span><span //</span><span  打印下一页</span>
    <span if</span> ( <span $allnums</span> > (<span $offset</span>+<span $maxrow</span><span ) ) {
        </span><span $result</span> .=    "<span <li>
            <a href=\"</span>".<span $url</span>.'offset='.(<span $offset</span>+<span $maxrow</span>)."<span \">Next</a>
        </li></span>"<span ;
    }</span>
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