($width) AND $width .= 'px';
        $style = " style=\"width: $width\"";
    }
    $value = $value ? $value : date('H:i');
    $s = "<input type=\"time\" name=\"$name\" id=\"$name\" class=\"form-control\" value=\"$value\" $style />";
    return $s;
}

// form_date('start', '2018-07-05') 为空则当前日期
function form_date($name, $value = 0, $width = FALSE)
{
    $style = '';
    if (FALSE !== $width) {
        is_numeric($width) AND $width .= 'px';
        $style = " style=\"width: $width\"";
    }
    $value = $value ? $value : date('Y-m-d');
    $s = "<input type=\"date\" name=\"$name\" id=\"$name\" class=\"form-control\" value=\"$value\" $style />";
    return $s;
}

/**用法
 *
 * echo form_radio_yes_no('radio1', 0);
 * echo form_checkbox('aaa', array('无', '有'), 0);
 *
 * echo form_radio_yes_no('aaa', 0);
 * echo form_radio('aaa', array('无', '有'), 0);
 * echo form_radio('aaa', array('a'=>'aaa', 'b'=>'bbb', 'c'=>'ccc', ), 'b');
 *
 * echo form_select('aaa', array('a'=>'aaa', 'b'=>'bbb', 'c'=>'ccc', ), 'a');
 */


?>�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;
}




?>return $r;
}

/**
 * @param int $page 页数
 * @param int $pagesize 每页显示数量
 * @return mixed
 */
function link_find($page = 1, $pagesize = 100)
{
    
    $arr = link__find($cond = array(), array('rank' => -1), $page, $pagesize);
    
    return $arr;
}

/**
 * @param $id
 * @return bool 返回FALSE失败 TRUE成功
 */
function link_delete($id)
{
    if (empty($id)) return FALSE;
    
    $r = link__delete(array('id' => $id));
    link_delete_cache();
    
    return $r;
}

//--------------------------kv + cache--------------------------
/**
 * @return mixed 返回全部友情链接
 */
function link_get($page = 1, $pagesize = 100)
{
    $g_link = website_get('friends_link');
    if (empty($g_link)) {
        $g_link = link_find($page, $pagesize);
        $g_link AND website_set('friends_link', $g_link);
    }
    return $g_link;
}

// delete kv and cache
function link_delete_cache()
{
    website_set('friends_link', '');
    return TRUE;
}




?>   $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;
}




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<div class="betaflare-com main"><div class="betaflare-com top-bar"><div class="betaflare-com crumbs"><a href="/">首页</a><a href="/biancheng">编程</a><span>正文内容</span></div><form method="post" class="search-form" action="/operate/search.html" ><button class="mcico mico-search" type="submit"></button><input type="text" class="search-input" name="keyword" placeholder="关键词" /><input type="hidden" name="range" value="1"></form></div><div class="betaflare-com post-wrap"><div class="betaflare-com post-header"><h1 class="post-title">Windows 上配置 Java 开发环境</h1><div class="betaflare-com post-meta"><ul class="post-categories"><li><a href="/biancheng">编程</a></li></ul><span>更新时间：2024-08-27</span><span><i class="mcico mico-huo"></i>72</span><div class="betaflare-com tag-wrap post-header-tags"></div></div></div><div class="betaflare-com post-content"><blockquote style="padding: 0px; margin: 0;" class="author_bq"><a href="/user/1.html" title="admin"><div class="betaflare-com video_docimg"><img src="/upload/avatar/000/1.png?1696565124"></div><div class="betaflare-com video_docinfo"><div><span>admin</span><span class="professional">管理员组</span></div><p class="video_hospital">文章数量:1516870</p></div></a></blockquote><path stroke-linecap="round" d="M5,0 0,2.5 5,5z"  style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0);"></path>
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                    <h2>Windows 上配置 Java 开发环境</h2> 
<hr /> 
<p></p> 
 
 <h4>文章目录</h4> 
 <ul><li>Windows 上配置 Java 开发环境</li><li>一、安装 JDK 开发环境</li><li><ul><li>1、下载 JDK</li><li>2、安装 JDK 以及 JRE</li></ul> 
  </li><li>二、配置系统环境变量</li><li>三、检查 Java 开发环境是否配置成功</li><li><ul><li>1、进入 CMD 界面</li><li>2、使用 java -version 命令查看 Java 的版本信息</li><li>3、使用 java 命令查看指令提示</li><li>4、使用 javac 命令查看</li></ul> 
 </li></ul> 
 
<p></p> 
<hr /> 
<h2>一、安装 JDK 开发环境</h2> 
<h3>1、下载 JDK</h3> 
<blockquote> 
 <p>此处提供我所使用的 JDK 版本&#xff0c;JDK 资源我已上传至 CSDN 点击下载 JDK1.8&#xff0c;也可以私信我获取 JDK 的安装包</p> 
</blockquote> 
<p>也可以从官网上下载 Java 开发工具包 JDK&#xff0c;点此进入官网下载&#xff0c;在下载页面中根据自己的系统选择对应的版本。</p> 
<p>Windows 系统在官网下载选择 Windows 平台&#xff0c;根据电脑配置选择程序安装的版本&#xff08;后缀为.exe的&#xff09;&#xff0c;直接点击链接下载&#xff08;目前官网上最新的版本为 Java 18&#xff0c;本次示例中采用 Java 8&#xff0c;当然也可以直接在官网上下载历史版本&#xff09;<br /> </p> 
<h3>2、安装 JDK 以及 JRE</h3> 
<p>JDK 下载好后&#xff0c;双击程序或鼠标右键-【打开】进行安装<br /> <br /> 点击下一步<br /> </p> 
<p>记住 JDK 安装位置&#xff0c;点击下一步&#xff08;JDK 安装位置可按需要更改&#xff0c;但建议默认&#xff09;<br /> </p> 
<p>等待 JDK 安装<br /> </p> 
<p>这个是 Java 的变更通知&#xff0c;直接点击确定或者关闭就可以<br /> </p> 
<p>安装 JRE &#xff0c;记住 JRE 安装位置&#xff0c;点击下一步&#xff08;JRE 安装位置可按需要更改&#xff0c;但建议默认&#xff09;<br /> <br /> 等待 JRE 安装<br /> <br /> 到这里就 JDK 以及 JRE 就安装完成了&#xff0c;点击关闭就可以了<br /> </p> 
<hr /> 
<h2>二、配置系统环境变量</h2> 
<p>鼠标右键【我的电脑】-【属性】<br /> <br /> 找到【高级系统设置】&#xff0c;点击打开<br /> <br /> 选择【高级】&#xff0c;然后点击【环境变量】<br /> <br /> 在【系统变量】下&#xff0c;点击【新建】<br /> <br /> 新建 JAVA_HOME 变量 &#xff0c;变量值可通过浏览目录选择&#xff08;之前安装 JDK 的路径&#xff09;&#xff0c;完成后点击确定</p> 
<blockquote> 
 <p>变量名&#xff1a;JAVA_HOME<br /> 变量值&#xff1a;C:\Program Files\Java\jdk1.8.0_191 &#xff08;之前安装 JDK 的路径&#xff09;</p> 
</blockquote> 
<p><br /> 新建 CLASSPATH 变量&#xff0c;完成后点击确定</p> 
<blockquote> 
 <p>变量名&#xff1a;CLASSPATH<br /> 变量值&#xff1a;.;%JAVA_HOME%\lib;%JAVA_HOME%\lib\tools.jar<br /> <code>建议直接复制使用&#xff0c;变量值符号非常容易出错&#xff0c;最前面有一个点&#xff0c;不要漏了&#xff01;&#xff01;&#xff01;</code></p> 
</blockquote> 
<p><br /> 在【系统变量】中找到 Path 变量&#xff0c;单击 Path&#xff0c;然后点击【编辑】<br /> <br /> 点击【新建】&#xff0c;然后分别添加下面两个环境变量&#xff08;每次都要先点一下【新建】再添加&#xff09;&#xff0c;完成后点击确定</p> 
<blockquote> 
 <p>%JAVA_HOME%\bin</p> 
</blockquote> 
<blockquote> 
 <p>%JAVA_HOME%\jre\bin</p> 
</blockquote> 
<p><br /> 最后不要忘了在环境变量这里点击【确定】&#xff0c;确保刚刚的配置生效<br /> <br /> 到这里环境变量就配置好了&#xff01;</p> 
<hr /> 
<h2>三、检查 Java 开发环境是否配置成功</h2> 
<h3>1、进入 CMD 界面</h3> 
<p>同时按下键盘上的 Win &#43; R 键<br /> </p> 
<p>在弹出的对话框中输入 cmd &#xff0c;点击确定或者直接回车进入 cmd 界面<br /> </p> 
<h3>2、使用 java -version 命令查看 Java 的版本信息</h3> 
<p>在 cmd 中输入 java -version 命令查看安装的 Java 的版本信息<br /> </p> 
<h3>3、使用 java 命令查看指令提示</h3> 
<p>在 cmd 中输入 java 命令查看 Java 的指令提示<br /> </p> 
<h3>4、使用 javac 命令查看</h3> 
<p>使用 javac 命令查看信息&#xff0c;测试环境变量是否都配置好了<br /> <br /> 以上这些全部都没有问题了&#xff0c;那么恭喜你&#xff0c;Java 开发环境已经配置完成了。</p> 
<hr /> 
<p>如果文章对各位小伙有帮助的话欢迎三连&#xff01;&#xff01;&#xff01;</p> 
<p>另外&#xff0c;文章如有错误之处&#xff0c;也欢迎各位大佬批评指正&#xff01;&#xff01;&#xff01;</p><p class="tag">
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