PHP 가져오기 진행률 표시줄 클래스-PHP 튜토리얼-php.cn

이 기사에서는 특정 참조 값이 있는 PHP 가져오기 진행률 표시줄 클래스를 주로 소개합니다. 이제 모든 사람과 공유합니다. 도움이 필요한 친구들이 참조할 수 있습니다.

최근 고객 가져오기 기능을 작업하고 가져오기 진행 상황을 컴파일했습니다. 바 카테고리:

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<?php
/**
 * @File name: Loading.php
 * @Author: jiumi.jin
 * @Create time: 10/11/2012
 * @Main function: loading
 */
 
class Loading {
    private $width = 500;
    private $total = 0;
    private $start_time;
    private $faileLines = array();
    private $faileCounter = 0;
 
    /**
     * 构造
     * @param 进度条长度 $width
     * @param 要处理的数据长度 $length
     */
    public function __construct($param){
        ob_start();
        //$this->width = $width;
        $this->total = $param[&#39;length&#39;];
        $this->start_time = time();
        ob_end_clean();
    }
     
    /**
     * 执行进度跟踪
     * @param $num 执行的数据点，这个数字应该是0 到 数据的总长度
     * @return bool
     */
    public function run($num){
        $successNum = $num - $this->faileCounter;
        $percent = number_format($num / $this->total * 100,2) . &#39;%&#39;;
        echo "<script>updatePercent(&#39;$successNum&#39;,$this->faileCounter,&#39;$percent&#39;);</script>";
        print str_pad("",100000);
        ob_flush();
        return true;
    }
 
    /**
     * 占用内存跟踪
     * @param $i 进度
     * @param $progress_mem 占用内存
     * @return bool
     */
    public function run_mem($i,$progress_mem){
        echo "<script>showMem($i,$progress_mem);</script>";
        print str_pad("",100000);
        ob_flush();
        return true;
    }
     
    /**
     * 设置出错的点
     * 例如导入excel的时候，有不符合模板规范的行数可以在这里设置
     * @param $line 错误行数
     * @param $errMes 错误信息
     */
    public function setFaileLine($line,$errMes){
        $line = intval($line);
        if ($line != 0) {
            $this->faileCounter++;
            $this->faile = true;
            $this->faileLines[$this->faileCounter][&#39;line&#39;] = $line;
            $this->faileLines[$this->faileCounter][&#39;errMessage&#39;] = $errMes;
 
            echo "<script>showErr(&#39;".$this->getFaileLine()."&#39;);</script>";
            print str_pad("",100000);
            ob_flush();
            return true;
        }
    }
     
    public function getFaileCounter(){
        return $this->faileCounter;
    }
     
    /**
     * 获取出错的点
     *
     * @return string $html
     */
    public function getFaileLine(){
        $html = &#39;&#39;;
        if(!empty($this->faileLines)){
            foreach($this->faileLines as $failline){
                $html .= &#39;错误位置：&#39;.$failline[&#39;line&#39;].&#39;，  错误信息：&#39;.$failline[&#39;errMessage&#39;].&#39;<br/>&#39;;
            }
        }else{
            $html .= &#39;没有错误信息&#39;;
        }
        return $html;
    }
     
    /**
     * echo出进度条的html页面和js函数
     * 应该在实例化类后立刻执行此方法，否则会失败
     *
     * @return unknown
     */
    public function createHtml(){
        echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/transitional.dtd\">
            <html>
            <head>  
                <script>
                    function updatePercent(have_process,errCount,percent){
                        document.getElementById(&#39;msg&#39;).innerHTML = &#39;成功处理了 &#39;+have_process+&#39; 条数据&#39;;
                        document.getElementById(&#39;errMsg&#39;).innerHTML = &#39;失败 &#39;+errCount+&#39; 条数据&#39;;
                        document.getElementById(&#39;progress&#39;).style.width = percent;
                        document.getElementById(&#39;percent&#39;).innerHTML = percent;
                        if(document.getElementById(&#39;progress&#39;).style.width == &#39;100%&#39;){
                            document.getElementById(&#39;percent&#39;).innerHTML = &#39;处理完毕！&#39;;
                            stop();
                        }
                    }
                    function showErr(msg){
                        document.getElementById(&#39;allErr&#39;).innerHTML = msg;
                    }
                    //计时
                    var CallTimeLen = \"0\";
                    var timer1 = null;
                    function start(){
                        var hour=\"0\";
                        var minute=\"0\";
                        var second=\"0\";
                        CallTimeLen = parseInt(CallTimeLen)+1;
                        hour = parseInt(CallTimeLen/3600);
                        minute = parseInt(CallTimeLen/60);
                        second = CallTimeLen%60;
                        document.getElementById(&#39;time_h&#39;).innerHTML = hour;
                        document.getElementById(&#39;time_m&#39;).innerHTML = minute;
                        document.getElementById(&#39;time_s&#39;).innerHTML = second;
                        window.timer1 = window.setTimeout(\"start()\",1000);
                    }
                    setTimeout(\"start()\",0);
                    function stop(){
                     clearTimeout(window.timer1);
                    }
 
                    function showMem(i,progress){
                        document.getElementById(&#39;showM&#39;).innerHTML = &#39;_____&#39;+i+&#39;: &#39;+progress;
                    }
                </script>
            </head>
            <body>
                <p style=\"margin:0 auto; margin-top:4px; margin-bottom:0; padding: 8px; padding-bottom:0; border: 1px solid gray; background: #EAEAEA; width:".$this->width."px\">   
                   <p><font color=\"gray\"><span style=\"font-size:12px;\">此操作需要等待一段时间，在执行完毕之前，请不要关闭此页面</span></font></p>   
                   <p style=\"padding: 0; background-color: white; border: 1px solid navy; width:".$this->width."px\">   
                       <p id=\"progress\" style=\"padding: 0; background-color: #FFCC66; border: 0; width: 0px; text-align: center;  height: 16px\"></p>   
                   </p>   
                   <p id=\"msg\" style=\"font-size:12px;\"></p>
                   <p id=\"errMsg\" style=\"font-size:12px;\"></p>
                   已用时：<span id=\"time_h\">  </span>时
                   <span id=\"time_m\">  </span>分
                   <span id=\"time_s\">  </span>秒
                   <p id=\"showM\" style=\"font-size:12px;\"></p>
                   <p id=\"percent\" style=\"position: relative; top: -32px; text-align: center; font-weight: bold; font-size: 8pt;\">0%</p>
                </p>
                <p id=\"allErr\">
                </p>
            <body>
            </html>";
        return true;
    }
}

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CI 프레임워크 호출:

$this->load->library(&#39;loading&#39;,array(&#39;length&#39;=>$totle)); //加载进度条类,这是CI框架
$this->loading->createHtml();
//$start_mem = memory_get_usage();
foreach($customers as $key=>$customer){
    $return = $this->insert_import($customer);
    if($return != 1){
        $this->loading->setFaileLine($key+1,$return); //记录错误
    }else{
        $this->loading->run($key+1); //成功进度条
    }
    //$progress_mem = memory_get_usage();
    //$this->loading->run_mem($key,$progress_mem-$start_mem); //测试查看内存使用情况的
}

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