�组保留的标签 余下为需要删除的标签
                unset($oldtag[$key]);
            }
        }
    }
    

    if (!empty($oldtag)) {
        $tagids = array();
        foreach ($oldtag as $tagid => $tagname) {
            $tagids[] = $tagid;
        }

        well_oldtag_delete($tagids, $tid);
    }

    $r = well_tag_process($tid, $fid, $create_tag, $tagarr);

    

    return $r;
}

// 删除标签和绑定的主题
function well_oldtag_delete($tagids, $tid)
{
    

    $pagesize = count($tagids);
    $arrlist = well_tag_find_by_tagids($tagids, 1, $pagesize);

    

    $delete_tagids = array(); // 删除
    $tagids = array();
    $n = 0;
    foreach ($arrlist as $val) {
        ++$n;
        
        if (1 == $val['count']) {
            // 只有一个主题
            $delete_tagids[] = $val['tagid'];
            
        } else {
            $tagids[] = $val['tagid'];
        }
        
    }

    

    !empty($delete_tagids) and well_tag_delete($delete_tagids);

    $arlist = well_tag_thread_find_by_tid($tid, 1, $n);
    if ($arlist) {
        $ids = array();
        foreach ($arlist as $val) $ids[] = $val['id'];

        well_tag_thread_delete($ids);
    }

    !empty($tagids) and well_tag_update($tagids, array('count-' => 1));

    
}

// 标签数据处理 $arr=新提交的数组 $tagarr=保留的旧标签
function well_tag_process($tid, $fid, $new_tags = array(), $tagarr = array())
{
    if (empty($tid)) return '';

    

    // 新标签处理入库
    if ($new_tags) {

        

        $threadarr = array();
        $tagids = array();
        $i = 0;
        $size = 5;
        $n = count($tagarr);
        $n = $n > $size ? $size : $size - $n;

        

        foreach ($new_tags as $name) {
            ++$i;
            $name = trim($name);
            $name = stripslashes($name);
            $name = strip_tags($name);
            $name = str_replace(array('&nbsp;', '#', "@", "$", "%", "^", '&', '·', '<', '>', '；', '`', '~', '!', '￥', '……', ';', '?', '？', '-', '—', '_', '=', '+', '.', '{', '}', '|', ':', '：', '、', '/', '。', '[', ']', '【', '】', '‘', '	', '    ', '  ', '   ', '    '), '', $name);
            $name = htmlspecialchars($name, ENT_QUOTES);
            if ($name && $i <= $n) {
                
                // 查询标签
                $read = well_tag_read_name($name);
                
                if ($read) {
                    // 存在 count+1
                    $tagids[] = $read['tagid'];
                    
                } else {
                    // 入库
                    $arr = array('name' => $name, 'count' => 1);
                    
                    $tagid = well_tag_create($arr);
                    FALSE === $tagid and message(-1, lang('create_failed'));
                    $read = array('tagid' => $tagid, 'name' => $name);
                    
                }

                $tag_thread = array('tagid' => $read['tagid'], 'tid' => $tid);

                

                $threadarr[] = $tag_thread;

                

                $tagarr[$read['tagid']] = $read['name'];
            }
        }

        

        !empty($threadarr) and tag_thread_big_insert($threadarr);

        !empty($tagids) and well_tag_update($tagids, array('count+' => 1));
    }

    

    $json = empty($tagarr) ? '' : xn_json_encode($tagarr);

    

    return $json;
}




?>   $v = implode(",", $v);
        $temp[] = $v;
    }
    // 去掉重复的字符串,也就是重复的一维数组
    $temp = array_unique($temp);
    // 再将拆开的数组重新组装
    $output = array();
    foreach ($temp as $k => $v) {
        if ($stkeep) $k = $starr[$k];
        if ($ndformat) {
            $temparr = explode(",", $v);
            foreach ($temparr as $ndkey => $ndval) $output[$k][$ndarr[$ndkey]] = $ndval;
        } else $output[$k] = explode(",", $v);
    }
    return $output;
}

// 合并二维数组 如重复 值以第一个数组值为准
function array2_merge($array1, $array2, $key = '')
{
    if (empty($array1) || empty($array2)) return NULL;
    $arr = array();
    foreach ($array1 as $k => $v) {
        isset($v[$key]) ? $arr[$v[$key]] = array_merge($v, $array2[$k]) : $arr[] = array_merge($v, $array2[$k]);
    }
    return $arr;
}

/*
 * 对二维数组排序 两个数组必须有一个相同的键值
 * $array1 需要排序数组
 * $array2 按照该数组key排序
 * */
function array2_sort_key($array1, $array2, $key = '')
{
    if (empty($array1) || empty($array2)) return NULL;
    $arr = array();
    foreach ($array2 as $k => $v) {
        if (isset($v[$key]) && $v[$key] == $array1[$v[$key]][$key]) {
            $arr[$v[$key]] = $array1[$v[$key]];
        } else {
            $arr[] = $v;
        }
    }

    return $arr;
}




?><!DOCTYPE html><html lang="zh-cn"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1" /><meta http-equiv="Cache-Control" content="no-transform" /><meta http-equiv="Cache-Control" content="no-siteapp" /><meta name="viewport"
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<a href="/biancheng">编程之家</a><a href="/biancheng/1728184370a766241.html" title="首页">龙芯二代装系统</a></div></div></div><div class="fzithome-com main container-w cl"><div class="fzithome-com mainl"><div class="fzithome-com art-post"><div class="fzithome-com title"><h1>龙芯二代装系统</h1><div class="fzithome-com info"><span><a href="/biancheng"><i class="iconfont icon-crossborder-fill"></i>编程之家</a></span><span><i class="iconfont icon-browse"></i>55</span><span><i class="iconfont icon-message-fill"></i>0</span><span>
                        更新时间：2026-04-03 20:26:40</span></div></div><div class="fzithome-com art-content"><article class="single-post"><div class="fzithome-com entry"><path stroke-linecap="round" d="M5,0 0,2.5 5,5z"  style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0);"></path>
                    </svg>
                    <h2>龙芯二代装系统</h2> 
<p>首先先准备一个Linux系统&#xff08;虚拟机也可以&#xff09;&#xff0c;然后找到龙芯<strong>Loongbian</strong>的下载地址&#xff0c;可去社区下载。</p> 
<p>下面提供几个</p> 
<h3><strong>下载 Loongbian ISO 安装镜像</strong></h3> 
<p><strong>LXDE 精简版</strong></p> 
<pre><code >wget https://mirrors.teach/installer/loongbian_current_lxde.iso
</code></pre> 
<p><strong>LXDE 完整版&#xff08;包括一些常用软件&#xff09;</strong></p> 
<pre><code >wget https://mirrors.teach/installer/loongbian_current_lxde_full.iso
</code></pre> 
<p>或者</p> 
<pre><code >https://mirrors.teach/installer/
</code></pre> 
<p>镜像网站。</p> 
<h3>开始准备安装</h3> 
<p>首先接入U盘&#xff0c;虚拟机的话&#xff0c;在插入U盘的时候会提示在哪里显示&#xff0c;直接选择在虚拟机显示即可。</p> 
<p><mark>该操作将会删除 U 盘上的所有数据。所以慎重&#xff0c;提前拷贝一下数据</mark></p> 
<p><strong>/dev/sdX &#xff1a;为U盘的设备名&#xff0c;这个一定要注意&#xff0c;<mark>不要写U盘名</mark>。</strong></p> 
<h5>使用 fdisk -l查看U盘设备名</h5> 
<ul><li> <p>使用fdisk命令查看u盘的位置</p> </li><li> <pre><code >sudo fdisk -l
</code></pre> </li><li> <pre><code >Device     Boot Start       End   Sectors  Size Id Type
/dev/sdb1  *       63 120845087 120845025 57.6G  7 HPFS/NTFS/exFAT

</code></pre> </li><li> <p><strong>不要加分区编号&#xff08;如 <code>/dev/sdc1</code>&#xff09;</strong> 去掉1即可</p> </li></ul> 
<p>然后使用下面的命令把镜像写入U盘。(<mark>把下面的看完)</mark></p> 
<pre><code>sudo dd if&#61;loongbian_current_lxde.iso of&#61;/dev/sdX bs&#61;1M status&#61;progress oflag&#61;direct
</code></pre> 
<h3>安装</h3> 
<p><mark>别忘了打开电源开关</mark></p> 
<p>将 U 盘插入 2K Edu 板卡的 USB 2.0 接口&#xff08;黑色&#xff09;&#xff0c;安装程序应自动启动。启动过程可能需要一段时间&#xff0c;请耐心等待。 启动完成后请按图形界面指引安装系统。</p> 
<p>安装完成后使用以下账户登录&#xff1a;</p> 
<p>用户名&#xff1a;<code>loongson</code></p> 
<p>密码&#xff1a;<code>loongson</code></p> 
<p>Root 密码&#xff1a;<code>loongson</code></p></div></article></div><div class="fzithome-com info"><div><span>本文发布于:2024-10-06，感谢您对本站的认可！</span></div><div><span>本文链接:</span><a href="https://www.fzithome.com/biancheng/1728184370a766241.html" title="龙芯二代装系统">https://www.fzithome.com/biancheng/1728184370a766241.html</a></div><div><span>版权声明:本站内容均来自互联网，仅供演示用，请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系，我们将在24小时内删除。</span></div></div><span class="tag"><i class="iconfont icon-discount" style="font-size:12px;font-weight:bold;opacity:.7;">本文标签：</i><a href="/tag/72340.html" target="_blank">龙芯</a><a href="/tag/127.html" target="_blank">系统</a></span></div><div class="fzithome-com post_comments" id="comments"><div id="comt-respond" class="commentpost"><h4>发布评论
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