php文件分块上传

用过浏览器的开发人员都对大文件上传与下载比较困扰,之前遇到了一个php文件夹上传下载的问题,无奈之下自己开发了一套文件上传控件,在这里分享一下。希望能对你有所帮助。最后附上控件包地址
代码展示

//文件上传对象
function FileUploader(fileLoc, mgr)
{
    var _this = this;
    this.id = fileLoc.id;
    this.ui = { msg: null, process: null, percent: null, btn: { del: null, cancel: null,post:null,stop:null }, div: null};
    this.isFolder = false; //不是文件夹
    this.app = mgr.app;
    this.Manager = mgr; //上传管理器指针
    this.event = mgr.event;
    this.FileListMgr = mgr.FileListMgr;//文件列表管理器
    this.Config = mgr.Config;
    this.fields = jQuery.extend({}, mgr.Config.Fields, fileLoc.fields);//每一个对象自带一个fields幅本
    this.State = this.Config.state.None;
    this.uid = this.fields.uid;
    this.fileSvr = {
          pid: ""
        , id: ""
        , pidRoot: ""
        , f_fdTask: false
        , f_fdChild: false
        , uid: 0
        , nameLoc: ""
        , nameSvr: ""
        , pathLoc: ""
        , pathSvr: ""
        , pathRel: ""
        , md5: ""
        , lenLoc: "0"
        , sizeLoc: ""
        , FilePos: "0"
        , lenSvr: "0"
        , perSvr: "0%"
        , complete: false
        , deleted: false
    };//json obj,服务器文件信息
    this.fileSvr = jQuery.extend(this.fileSvr, fileLoc);

    //准备
    this.Ready = function ()
    {
        this.ui.msg.text("正在上传队列中等待...");
        this.State = this.Config.state.Ready;
    };

    this.svr_error = function ()
    {
        alert("服务器返回信息为空,请检查服务器配置");
        this.ui.msg.text("向服务器发送MD5信息错误");
        this.ui.btn.cancel.text("续传");
    };
    this.svr_create = function (sv)
    {
        if (sv.value == null)
        {
            this.svr_error(); return;
        }

        var str = decodeURIComponent(sv.value);//
        this.fileSvr = JSON.parse(str);//
        //服务器已存在相同文件,且已上传完成
        if (this.fileSvr.complete)
        {
            this.post_complete_quick();
        } //服务器文件没有上传完成
        else
        {
            this.ui.process.css("width", this.fileSvr.perSvr);
            this.ui.percent.text(this.fileSvr.perSvr);
            this.post_file();
        }
    };
    this.svr_update = function () {
        if (this.fileSvr.lenSvr == 0) return;
        var param = { uid: this.fields["uid"], offset: this.fileSvr.lenSvr, lenSvr: this.fileSvr.lenSvr, perSvr: this.fileSvr.perSvr, id: this.id, time: new Date().getTime() };
        $.ajax({
            type: "GET"
            , dataType: 'jsonp'
            , jsonp: "callback" //自定义的jsonp回调函数名称,默认为jQuery自动生成的随机函数名
            , url: this.Config["UrlProcess"]
            , data: param
            , success: function (msg) {}
            , error: function (req, txt, err) { alert("更新文件进度错误!" + req.responseText); }
            , complete: function (req, sta) { req = null; }
        });
    };
    this.post_process = function (json)
    {
        this.fileSvr.lenSvr = json.lenSvr;//保存上传进度
        this.fileSvr.perSvr = json.percent;
        this.ui.percent.text("("+json.percent+")");
        this.ui.process.css("width", json.percent);
        var str = json.lenPost + " " + json.speed + " " + json.time;
        this.ui.msg.text(str);
    };
    this.post_complete = function (json)
    {
        this.fileSvr.perSvr = "100%";
        this.fileSvr.complete = true;
        $.each(this.ui.btn, function (i, n)
        {
            n.hide();
        });
        this.ui.process.css("width", "100%");
        this.ui.percent.text("(100%)");
        this.ui.msg.text("上传完成");
        this.Manager.arrFilesComplete.push(this);
        this.State = this.Config.state.Complete;
        //从上传列表中删除
        this.Manager.RemoveQueuePost(this.fileSvr.id);
        //从未上传列表中删除
        this.Manager.RemoveQueueWait(this.fileSvr.id);

        var param = { md5: this.fileSvr.md5, uid: this.uid, id: this.fileSvr.id, time: new Date().getTime() };

        $.ajax({
            type: "GET"
			, dataType: 'jsonp'
			, jsonp: "callback" //自定义的jsonp回调函数名称,默认为jQuery自动生成的随机函数名
			, url: _this.Config["UrlComplete"]
			, data: param
			, success: function (msg)
			{
			    _this.event.fileComplete(_this);//触发事件
			    _this.FileListMgr.UploadComplete(_this.fileSvr);//添加到服务器文件列表
			    _this.post_next();
			}
			, error: function (req, txt, err) { alert("文件-向服务器发送Complete信息错误!" + req.responseText); }
			, complete: function (req, sta) { req = null; }
        });
    };
    this.post_complete_quick = function ()
    {
        this.fileSvr.perSvr = "100%";
        this.fileSvr.complete = true;
        this.ui.btn.stop.hide();
        this.ui.process.css("width", "100%");
        this.ui.percent.text("(100%)");
        this.ui.msg.text("服务器存在相同文件,快速上传成功。");
        this.Manager.arrFilesComplete.push(this);
        this.State = this.Config.state.Complete;
        //从上传列表中删除
        this.Manager.RemoveQueuePost(this.fileSvr.id);
        //从未上传列表中删除
        this.Manager.RemoveQueueWait(this.fileSvr.id);
        //添加到文件列表
        this.FileListMgr.UploadComplete(this.fileSvr);
        this.post_next();
        this.event.fileComplete(this);//触发事件
    };
    this.post_stoped = function (json)
    {
        this.ui.btn.post.show();
        this.ui.btn.del.show();
        this.ui.btn.cancel.hide();
        this.ui.btn.stop.hide();
        this.ui.msg.text("传输已停止....");

        if (this.Config.state.Ready == this.State)
        {
            this.Manager.RemoveQueue(this.fileSvr.id);
            this.post_next();
            return;
        }
        this.State = this.Config.state.Stop;
        //从上传列表中删除
        this.Manager.RemoveQueuePost(this.fileSvr.id);
        this.Manager.AppendQueueWait(this.fileSvr.id);//添加到未上传列表
        //传输下一个
        this.post_next();
    };
    this.post_error = function (json)
    {
        this.svr_update();
        this.ui.msg.text(this.Config.errCode[json.value]);
        this.ui.btn.stop.hide();
        this.ui.btn.post.show();
        this.ui.btn.del.show();

        this.State = this.Config.state.Error;
        //从上传列表中删除
        this.Manager.RemoveQueuePost(this.fileSvr.id);
        //添加到未上传列表
        this.Manager.AppendQueueWait(this.fileSvr.id);
        this.post_next();
    };
    this.md5_process = function (json)
    {
        var msg = "正在扫描本地文件,已完成:" + json.percent;
        this.ui.msg.text(msg);
    };
    this.md5_complete = function (json)
    {
        this.fileSvr.md5 = json.md5;
        this.ui.msg.text("MD5计算完毕,开始连接服务器...");
        this.event.md5Complete(this, json.md5);//biz event

        var loc_path = encodeURIComponent(this.fileSvr.pathLoc);
        var loc_len = this.fileSvr.lenLoc;
        var loc_size = this.fileSvr.sizeLoc;
        var param = jQuery.extend({}, this.fields, { md5: json.md5, id: this.fileSvr.id, lenLoc: loc_len, sizeLoc: loc_size, pathLoc: loc_path, time: new Date().getTime() });

        $.ajax({
            type: "GET"
            , dataType: 'jsonp'
            , jsonp: "callback" //自定义的jsonp回调函数名称,默认为jQuery自动生成的随机函数名
            , url: this.Config["UrlCreate"]
            , data: param
            , success: function (sv)
            {
                _this.svr_create(sv);
            }
            , error: function (req, txt, err)
            {
                alert("向服务器发送MD5信息错误!" + req.responseText);
                _this.ui.msg.text("向服务器发送MD5信息错误");
                _this.ui.btn.del.text("续传");
            }
            , complete: function (req, sta) { req = null; }
        });
    };
    this.md5_error = function (json)
    {
        this.ui.msg.text(this.Config.errCode[json.value]);
        //文件大小超过限制,文件大小为0
        if ("4" == json.value
			|| "5" == json.value)
        {
        	this.ui.btn.stop.hide();
        	this.ui.btn.cancel.show();
        }
        else
        {            
            this.ui.btn.post.show();
            this.ui.btn.stop.hide();
        }
        this.State = this.Config.state.Error;
        //从上传列表中删除
        this.Manager.RemoveQueuePost(this.fileSvr.id);
        //添加到未上传列表
        this.Manager.AppendQueueWait(this.fileSvr.id);

        this.post_next();
    };
    this.post_next = function ()
    {
        var obj = this;
        setTimeout(function () { obj.Manager.PostNext(); }, 500);
    };
    this.post = function ()
    {
        this.Manager.AppendQueuePost(this.fileSvr.id);
        this.Manager.RemoveQueueWait(this.fileSvr.id);
        if (this.fileSvr.md5.length > 0)
        {
            this.post_file();
        }
        else
        {
            this.check_file();
        }
    };
    this.post_file = function ()
    {
        this.ui.btn.cancel.hide();
        this.ui.btn.stop.show();
        this.State = this.Config.state.Posting;//
        this.app.postFile({ id: this.fileSvr.id, pathLoc: this.fileSvr.pathLoc, pathSvr:this.fileSvr.pathSvr,lenSvr: this.fileSvr.lenSvr, fields: this.fields });
    };
    this.check_file = function ()
    {
        //this.ui.btn.cancel.text("停止").show();
        this.ui.btn.stop.show();
        this.ui.btn.cancel.hide();
        this.State = this.Config.state.MD5Working;
        this.app.checkFile({ id: this.fileSvr.id, pathLoc: this.fileSvr.pathLoc });
    };
    this.stop = function ()
    {
        this.ui.btn.del.hide();
        this.ui.btn.cancel.hide();
        this.ui.btn.stop.hide();
        this.ui.btn.post.hide();
        this.svr_update();
        this.app.stopFile({ id: this.fileSvr.id });        
    };
    //手动停止,一般在StopAll中调用
    this.stop_manual = function ()
    {
        if (this.Config.state.Posting == this.State)
        {
            this.svr_update();
        	this.ui.btn.post.show();
        	this.ui.btn.stop.hide();
        	this.ui.btn.cancel.hide();
            this.ui.msg.text("传输已停止....");
            this.app.stopFile({ id: this.fileSvr.id ,tip:false});
            this.State = this.Config.state.Stop;
        }
    };

    //删除,一般在用户点击"删除"按钮时调用
    this.remove = function ()
    {
        this.Manager.del_file(this.fileSvr.id);
        this.app.delFile(this.fileSvr);
        this.ui.div.remove();
    };
}
param("uid");
$fid	 		= $head->param("id");
$md5			= $head->param("md5");
$lenSvr			= $head->param("lenSvr");
$lenLoc			= $head->param("lenLoc");
$blockOffset	= $head->param("blockOffset");
$blockSize		= $head->param("blockSize");
$blockIndex		= $head->param("blockIndex");
$blockMd5		= $head->param("blockMd5");
$complete		= (bool)$head->param("complete");
$pathSvr		= $_POST["pathSvr"];
$pathSvr		= PathTool::urldecode_path($pathSvr);
$pathTmp		= $_FILES['file']['tmp_name'];//

//相关参数不能为空
if (   (strlen($lenLoc)>0) 
	&& (strlen($uid)>0) 
	&& (strlen($fid)>0) 
    && (strlen($blockOffset)>0) 
	&& !empty($pathSvr))
{
	$verify = false;
	$msg = "";
	$md5Svr = "";
	
	if(!empty($blockMd5))
	{
	    $md5Svr = md5_file($pathTmp);
	}
	
	//验证大小
	$verify = intval($blockSize) == filesize($pathTmp);
	if( !$verify ) 
	{
	    $msg = "block size error sizeSvr:" . filesize($pathTmp) . " sizeLoc:" . $blockSize;
	}
	
	if( $verify && !empty($blockMd5) )
	{
		$verify = $md5Svr == $blockMd5;
		if(!$verify) $msg = "block md5 error";
	}
	
	if( $verify )
	{
		//保存文件块数据
		$fbw = new FileBlockWriter();
		if(0 == strcmp($blockIndex,"1")) $fbw->CreateFile($pathSvr,$lenLoc);
		$fbw->write($blockOffset, $lenLoc, $pathSvr, $pathTmp);
		
		up6_biz_event::file_post_block($fid, $blockIndex);
		
		$obj = Array('msg'=>'ok', 'md5'=>$md5Svr, 'offset'=>$blockOffset);
		$msg = json_encode($obj);
	}
	ob_clean();
	echo $msg;
}
else
{
	echo "param is null";
	echo "uid:$uid
"; echo "fid:$fid
"; echo "md5:$md5
"; echo "lenSvr:$lenSvr
"; echo "lenLoc:$lenLoc
"; echo "f_pos:$blockOffset
"; echo "complete:$complete
"; echo "pathSvr:$pathSvr
"; } header('Content-Length: ' . ob_get_length()); ?>


功能介绍:

树形目录导航。您可以通过树型目录导航和路径导航栏快速跳转到指定目录。在跳转后树型目录将会自动选中当前的目录。

 

路径导航,点击根目录按钮便可返根目录

 

文件和目录重命名

 
 

点击删除按钮

说明: http://qqadapt.qpic.cn/adapt/0/a08d8c16-78a3-7ce5-c2cd-5df1e60fb8cc/800?pt=0&ek=1&kp=1&sce=0-12-12

点击确定后,页面中的文件消失


 

 

 

批量上传文件

 
 

粘贴上传

复制文件夹、文件或图片

说明: http://qqadapt.qpic.cn/adapt/0/ab61b9d4-755b-ee18-376d-f4ac80ad6417/800?pt=0&ek=1&kp=1&sce=0-12-12

在页面中选择好相应的上传目录,点击粘贴上传按钮,数据即可快速开始上传

说明: http://qqadapt.qpic.cn/adapt/0/b9fa01e5-ebec-3887-6726-67dcbc1a77ef/800?pt=0&ek=1&kp=1&sce=0-12-12


 

 

 

批量上传文件和文件夹

 

数据库记录

 

文件和目录下载

 

批量下载

同时选择多个需要下载的文件 

然后点击下载按钮,设置下载目录文件夹

说明: C:\Users\Administrator\Desktop\2222.png


 

 

点击全部下载,开始下载

 

自动加载未上传完的任务。在刷新浏览器或重启电脑后仍然可以自动加载未完成的任务。

 

 

下载完成后打开我们设置的下载目录文件夹,发现需下载的文件或文件夹确认已下载成功,经确认文件夹内的内容与下载文件夹内容一致

说明: http://qqadapt.qpic.cn/adapt/0/3224196a-396c-8ee1-b509-3179302fbd86/800?pt=0&ek=1&kp=1&sce=0-12-12

 

数据库记录

 
 

工程截图

 

控件包下载:
cab(x86):http://t.cn/Ai9pmG8S

cab(x64):http://t.cn/Ai9pm04B

xpi:http://t.cn/Ai9pubUc

crx:http://t.cn/Ai9pmrcy

exe:http://t.cn/Ai9puobe

 

示例下载:

php: http://t.cn/Ai9p3CKQ

 

在线教程:

php-文件管理器教程:http://j.mp/2MudPs3

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