我从网上找的文件php在线解压zip压缩文件
文件为jy.php可以直接执行，但是怎样将其加到CI框架中呢？？
jy.php文件
1 <?php
2 header("content-Type: text/html; charset=utf-8");
3 //验证密码
4 $password = "123456";
5 ?>
6 <html>
7 <head>
8 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
9 <title>在线解压ZIP文件程序 V1.0</title>
10 <style type="text/css">
11 <!--
12 body,td{
13 font-size: 14px;
14 color: #000000;
15 }
16 a {
17 color: #000066;
18 text-decoration: none;
19 }
20 a:hover {
21 color: #FF6600;
22 text-decoration: underline;
23 }
24 -->
25 </style>
26 </head>
27
28 <body>
29 <form name="myform" method="post" action="<?=$_SERVER[PHP_SELF];?>" enctype="multipart/form-data" onSubmit="return check_uploadObject(this);">
30 <?
31 if(!$_REQUEST["myaction"]):
32 ?>
33
34 <script language="javascript">
35 function check_uploadObject(form){
36 if(form.password.value==''){
37 alert('请输入密码.');
38 return false;
39 }
40 return true;
41 }
42 </script>
43
44 <table width="100%" border="0" cellspacing="0" cellpadding="4">
45 <tr>
46 <td height="40" colspan="2" style="color:#FF9900"><p><font color="#FF0000">在线解压ZIP文件程序 V1.0</font></p>
47 <p>使用方法:把zip文件通过FTP上传到本文件相同的目录下,选择zip文件;或直接点击“浏览...”上传zip文件。</p>
48 <p> </p>
49 </td>
50 </tr>
51 <tr>
52 <td width="11%">选择ZIP文件: </td>
53 <td width="89%"><select name="zipfile">
54 <option value="" selected>- 请选择 -</option>
55 <?
56 $fdir = opendir('./');
57 while($file=readdir($fdir)){
58 if(!is_file($file)) continue;
59 if(preg_match('/\.zip$/mis',$file)){
60 echo "<option value='$file'>$file</option>\r\n";
61 }
62 }
63 ?>
64 </select></td>
65 </tr>
66 <tr>
67 <td width="11%" nowrap>或上传文件: </td>
68 <td width="89%"><input name="upfile" type="file" id="upfile" size="20"></td>
69 </tr>
70 <tr>
71 <td>解压到目录: </td>
72 <td><input name="todir" type="text" id="todir" value="" size="15">
73 (留空为本目录,必须有写入权限)</td>
74 </tr>
75 <tr>
76 <td>验证密码: </td>
77 <td><input name="password" type="password" id="password" size="15">
78 (源文件中设定的密码)</td>
79 </tr>
80 <tr>
81 <td><input name="myaction" type="hidden" id="myaction" value="dounzip"></td>
82 <td><input type="submit" name="Submit" value=" 解 压 "></td>
83 </tr>
84 </table>
85
86 <?
87
88 elseif($_REQUEST["myaction"]=="dounzip"):
89
90
91 class zip
92 {
93
94 var $total_files = 0;
95 var $total_folders = 0;
96
97 function Extract ( $zn, $to, $index = Array(-1) )
98 {
99 $ok = 0; $zip = @fopen($zn,'rb');
100 if(!$zip) return(-1);
101 $cdir = $this->ReadCentralDir($zip,$zn);
102 $pos_entry = $cdir['offset'];
103
104 if(!is_array($index)){ $index = array($index); }
105 for($i=0; $index[$i];$i++){
106 if(intval($index[$i])!=$index[$i]||$index[$i]>$cdir['entries'])
107 return(-1);
108 }
109 for ($i=0; $i<$cdir['entries']; $i++)
110 {
111 @fseek($zip, $pos_entry);
112 $header = $this->ReadCentralFileHeaders($zip);
113 $header['index'] = $i; $pos_entry = ftell($zip);
114 @rewind($zip); fseek($zip, $header['offset']);
115 if(in_array("-1",$index)||in_array($i,$index))
116 $stat[$header['filename']]=$this->ExtractFile($header, $to, $zip);
117 }
118 fclose($zip);
119 return $stat;
120 }
121
122 function ReadFileHeader($zip)
123 {
124 $binary_data = fread($zip, 30);
125 $data = unpack('vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $binary_data);
126
127 $header['filename'] = fread($zip, $data['filename_len']);
128 if ($data['extra_len'] != 0) {
129 $header['extra'] = fread($zip, $data['extra_len']);
130 } else { $header['extra'] = ''; }
131
132 $header['compression'] = $data['compression'];$header['size'] = $data['size'];
133 $header['compressed_size'] = $data['compressed_size'];
134 $header['crc'] = $data['crc']; $header['flag'] = $data['flag'];
135 $header['mdate'] = $data['mdate'];$header['mtime'] = $data['mtime'];
136
137 if ($header['mdate'] && $header['mtime']){
138 $hour=($header['mtime']&0xF800)>>11;$minute=($header['mtime']&0x07E0)>>5;
139 $seconde=($header['mtime']&0x001F)*2;$year=(($header['mdate']&0xFE00)>>9)+1980;
140 $month=($header['mdate']&0x01E0)>>5;$day=$header['mdate']&0x001F;
141 $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
142 }else{$header['mtime'] = time();}
143
144 $header['stored_filename'] = $header['filename'];
145 $header['status'] = "ok";
146 return $header;
147 }
148
149 function ReadCentralFileHeaders($zip){
150 $binary_data = fread($zip, 46);
151 $header = unpack('vchkid/vid/vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $binary_data);
152
153 if ($header['filename_len'] != 0)
154 $header['filename'] = fread($zip,$header['filename_len']);
155 else $header['filename'] = '';
156
157 if ($header['extra_len'] != 0)
158 $header['extra'] = fread($zip, $header['extra_len']);
159 else $header['extra'] = '';
160
161 if ($header['comment_len'] != 0)
162 $header['comment'] = fread($zip, $header['comment_len']);
163 else $header['comment'] = '';
164
165 if ($header['mdate'] && $header['mtime'])
166 {
167 $hour = ($header['mtime'] & 0xF800) >> 11;
168 $minute = ($header['mtime'] & 0x07E0) >> 5;
169 $seconde = ($header['mtime'] & 0x001F)*2;
170 $year = (($header['mdate'] & 0xFE00) >> 9) + 1980;
171 $month = ($header['mdate'] & 0x01E0) >> 5;
172 $day = $header['mdate'] & 0x001F;
173 $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
174 } else {
175 $header['mtime'] = time();
176 }
177 $header['stored_filename'] = $header['filename'];
178 $header['status'] = 'ok';
179 if (substr($header['filename'], -1) == '/')
180 $header['external'] = 0x41FF0010;
181 return $header;
182 }
183
184 function ReadCentralDir($zip,$zip_name){
185 $size = filesize($zip_name);
186
187 if ($size < 277) $maximum_size = $size;
188 else $maximum_size=277;
189
190 @fseek($zip, $size-$maximum_size);
191 $pos = ftell($zip); $bytes = 0x00000000;
192
193 while ($pos < $size){
194 $byte = @fread($zip, 1); $bytes=($bytes << 8) | ord($byte);
195 if ($bytes == 0x504b0506 or $bytes == 0x2e706870504b0506){ $pos++;break;} $pos++;
196 }
197
198 $fdata=fread($zip,18);
199
200 $data=@unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size',$fdata);
201
202 if ($data['comment_size'] != 0) $centd['comment'] = fread($zip, $data['comment_size']);
203 else $centd['comment'] = ''; $centd['entries'] = $data['entries'];
204 $centd['disk_entries'] = $data['disk_entries'];
205 $centd['offset'] = $data['offset'];$centd['disk_start'] = $data['disk_start'];
206 $centd['size'] = $data['size']; $centd['disk'] = $data['disk'];
207 return $centd;
208 }
209
210 function ExtractFile($header,$to,$zip){
211 $header = $this->readfileheader($zip);
212
213 if(substr($to,-1)!="/") $to.="/";
214 if($to=='./') $to = '';
215 $pth = explode("/",$to.$header['filename']);
216 $mydir = '';
217 for($i=0;$i<count($pth)-1;$i++){
218 if(!$pth[$i]) continue;
219 $mydir .= $pth[$i]."/";
220 if((!is_dir($mydir) && @mkdir($mydir,0777)) || (($mydir==$to.$header['filename'] || ($mydir==$to && $this->total_folders==0)) && is_dir($mydir)) ){
221 @chmod($mydir,0777);
222 $this->total_folders ++;
223 echo "<input name='dfile[]' type='checkbox' value='$mydir' checked> <a href='$mydir' target='_blank'>目录: $mydir</a><br>";
224 }
225 }
226
227 if(strrchr($header['filename'],'/')=='/') return;
228
229 if (!($header['external']==0x41FF0010)&&!($header['external']==16)){
230 if ($header['compression']==0){
231 $fp = @fopen($to.$header['filename'], 'wb');
232 if(!$fp) return(-1);
233 $size = $header['compressed_size'];
234
235 while ($size != 0){
236 $read_size = ($size < 2048 ? $size : 2048);
237 $buffer = fread($zip, $read_size);
238 $binary_data = pack('a'.$read_size, $buffer);
239 @fwrite($fp, $binary_data, $read_size);
240 $size -= $read_size;
241 }
242 fclose($fp);
243 touch($to.$header['filename'], $header['mtime']);
244 }else{
245 $fp = @fopen($to.$header['filename'].'.gz','wb');
246 if(!$fp) return(-1);
247 $binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($header['compression']),
248 Chr(0x00), time(), Chr(0x00), Chr(3));
249
250 fwrite($fp, $binary_data, 10);
251 $size = $header['compressed_size'];
252
253 while ($size != 0){
254 $read_size = ($size < 1024 ? $size : 1024);
255 $buffer = fread($zip, $read_size);
256 $binary_data = pack('a'.$read_size, $buffer);
257 @fwrite($fp, $binary_data, $read_size);
258 $size -= $read_size;
259 }
260
261 $binary_data = pack('VV', $header['crc'], $header['size']);
262 fwrite($fp, $binary_data,8); fclose($fp);
263
264 $gzp = @gzopen($to.$header['filename'].'.gz','rb') or die("Cette archive est compress閑");
265 if(!$gzp) return(-2);
266 $fp = @fopen($to.$header['filename'],'wb');
267 if(!$fp) return(-1);
268 $size = $header['size'];
269
270 while ($size != 0){
271 $read_size = ($size < 2048 ? $size : 2048);
272 $buffer = gzread($gzp, $read_size);
273 $binary_data = pack('a'.$read_size, $buffer);
274 @fwrite($fp, $binary_data, $read_size);
275 $size -= $read_size;
276 }
277 fclose($fp); gzclose($gzp);
278
279 touch($to.$header['filename'], $header['mtime']);
280 @unlink($to.$header['filename'].'.gz');
281
282 }
283 }
284
285 $this->total_files ++;
286 echo "<input name='dfile[]' type='checkbox' value='$to$header[filename]' checked> <a href='$to$header[filename]' target='_blank'>文件: $to$header[filename]</a><br>";
287
288 return true;
289 }
290
291 // end class
292 }
293
294 set_time_limit(0);
295
296 if ($_POST['password'] != $password) die("输入的密码不正确，请重新输入。");
297 if(!$_POST["todir"]) $_POST["todir"] = ".";
298 $z = new Zip;
299 $have_zip_file = 0;
300 function start_unzip($tmp_name,$new_name,$checked){
301 global $_POST,$z,$have_zip_file;
302 $upfile = array("tmp_name"=>$tmp_name,"name"=>$new_name);
303 if(is_file($upfile[tmp_name])){
304 $have_zip_file = 1;
305 echo "<br>正在解压: <input name='dfile[]' type='checkbox' value='$upfile[name]' ".($checked?"checked":"")."> $upfile[name]<br><br>";
306 if(preg_match('/\.zip$/mis',$upfile[name])){
307 $result=$z->Extract($upfile[tmp_name],$_POST["todir"]);
308 if($result==-1){
309 echo "<br>文件 $upfile[name] 错误.<br>";
310 }
311 echo "<br>完成,共建立 $z->total_folders 个目录,$z->total_files 个文件.<br><br><br>";
312 }else{
313 echo "<br>$upfile[name] 不是 zip 文件.<br><br>";
314 }
315 if(realpath($upfile[name])!=realpath($upfile[tmp_name])){
316 @unlink($upfile[name]);
317 rename($upfile[tmp_name],$upfile[name]);
318 }
319 }
320 }
321 clearstatcache();
322
323 start_unzip($_POST["zipfile"],$_POST["zipfile"],0);
324 start_unzip($_FILES["upfile"][tmp_name],$_FILES["upfile"][name],1);
325
326 if(!$have_zip_file){
327 echo "<br>请选择或上传文件.<br>";
328 }
329 ?>
330 <input name="password" type="hidden" id="password" value="<?=$_POST['password'];?>">
331 <input name="myaction" type="hidden" id="myaction" value="dodelete">
332 <input name="按钮" type="button" value="返回" onClick="window.location='<?=$_SERVER[PHP_SELF];?>';">
333
334 <input type='button' value='反选' onclick='selrev();'> <input type='submit' onclick='return confirm("删除选定文件?");' value='删除选定'>
335
336 <script language='javascript'>
337 function selrev() {
338 with(document.myform) {
339 for(i=0;i<elements.length;i++) {
340 thiselm = elements[i];
341 if(thiselm.name.match(/dfile\[]/)) thiselm.checked = !thiselm.checked;
342 }
343 }
344 }
345 alert('完成.');
346 </script>
347 <?
348
349 elseif($_REQUEST["myaction"]=="dodelete"):
350 set_time_limit(0);
351 if ($_POST['password'] != $password) die("输入的密码不正确，请重新输入。");
352
353 $dfile = $_POST["dfile"];
354 echo "正在删除文件...<br><br>";
355 if(is_array($dfile)){
356 for($i=count($dfile)-1;$i>=0;$i--){
357 if(is_file($dfile[$i])){
358 if(@unlink($dfile[$i])){
359 echo "已删除文件: $dfile[$i]<br>";
360 }else{
361 echo "删除文件失败: $dfile[$i]<br>";
362 }
363 }else{
364 if(@rmdir($dfile[$i])){
365 echo "已删除目录: $dfile[$i]<br>";
366 }else{
367 echo "删除目录失败: $dfile[$i]<br>";
368 }
369 }
370
371 }
372 }
373 echo "<br>完成.<br><br><input type='button' value='返回' onclick=\"window.location='$_SERVER[PHP_SELF]';\"><br><br>
374 <script language='javascript'>('完成.');</script>";
375
376 endif;
377
378 ?>
379 </form>
380 </html>
CI框架中我们先建立显示页面
views/informaction_zip.php
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
2 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
3
4 <html xmlns="http://www.w3.org/1999/xhtml" lang="en_US" xml:lang="en_US">
5 <!--
6 * Created on 2013-8-5
7 *
8 * To change the template for this generated file go to
9 * Window - Preferences - PHPeclipse - PHP - Code Templates
10 -->
11 <head>
12 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
13 <title> </title>
14 <style type="text/css">
15 <!--
16 body,td{
17 font-size: 14px;
18 color: #000000;
19 }
20 a {
21 color: #000066;
22 text-decoration: none;
23 }
24 a:hover {
25 color: #FF6600;
26 text-decoration: underline;
27 }
28 -->
29 </style>
30 </head>
31
32 <body>
33 <form name="myform" method="post" action="<?= base_url() ?>index.php/admin/zip/zipUtil" enctype="multipart/form-data" onSubmit="return check_uploadObject(this);">
34 </script>
35
36 <table width="100%" border="0" cellspacing="0" cellpadding="4">
37 <tr>
38 <p>使用方法:直接点击“浏览...”上传zip文件,这里的文件只能是zip文件,zip文件和子文件以英文命名。</p>
39 <p> </p>
40 </td>
41 </tr>
42 <tr>
43 <td width="11%" nowrap>上传文件: </td>
44 <td width="89%"><input name="upfile" type="file" id="upfile" size="20"></td>
45 </tr>
46 <tr>
47
48 <td><input name="todir" type="text" id="todir" style="display:none" value="pdf+images" size="15"></td>
49 </tr>
50
51 <tr>
52 <td><input name="myaction" type="hidden" id="myaction" value="dounzip"></td>
53 <td><input type="submit" name="Submit" value=" 解 压 "></td>
54 </tr>
55 </table>
56 </form>
57
58
59 </body>
60 </html>
controllers/zip.php
1 <?php
2
3
4 /*
5 * Created on 2013-7-7
6 *
7 * To change the template for this generated file go to
8 * Window - Preferences - PHPeclipse - PHP - Code Templates
9 */
10 class Zip extends CI_Controller {
11 //构造函数
12 function __construct() {
13 parent :: __construct();
14 $this->load->helper('url');
15 $this->load->model("m_zip");
16 error_reporting(1);
17 }
18
19 //显示zip文件录入信息界面
20 public function index() {
21 $this->load->view('admin/subject/information_zip');
22 }
23 //处理zip信息界面
24 public function zipUtil() {
25 if (!$_POST["todir"])
26 $_POST["todir"] = ".";
27 clearstatcache();
28 // echo $_FILES["upfile"]["tmp_name"];
29 $this->start_unzip($_FILES["upfile"]["tmp_name"], $_FILES["upfile"]["name"], 1);
30 }
31 function start_unzip($tmp_name, $new_name, $checked) {
32 $have_zip_file = 0;
33 $upfile = array (
34 "tmp_name" => $tmp_name,
35 "name" => $new_name
36 );
37 if (is_file($upfile["tmp_name"])) {
38 $have_zip_file = 1;
39 $z = $this->m_zip;
40 echo "<br>正在解压: <input name='dfile[]' type='checkbox' value='$upfile[name]' " . ($checked ? "checked" : "") . "> $upfile[name]<br><br>";
41 if (preg_match('/\.zip$/mis', $upfile["name"])) {
42 $result = $z->Extract($upfile["tmp_name"], $_POST["todir"]);
43 if ($result == -1) {
44 echo "<br>文件 $upfile[name] 错误.<br>";
45 }
46 echo "<br>完成,$z->total_files 个文件.<br><br><br>";
47
48
49 } else {
50 echo "<br>$upfile[name] 不是 zip 文件.<br><br>";
51 }
52 if (realpath($upfile["name"]) != realpath($upfile["tmp_name"])) {
53 @ unlink($upfile["name"]);
54 rename($upfile["tmp_name"], $upfile["name"]);
55 unlink($upfile["name"]);
56 }
57 }
58
59 }
60 }
61 ?>
models/m_zip.php
1 <?php
2 class m_zip extends CI_Model {
3 var $total_files = 0;
4 var $total_folders = 0;
5
6 function Extract($zn, $to, $index = Array (
7 -1
8 )) {
9 $ok = 0;
10 $zip = @ fopen($zn, 'rb');
11 if (!$zip)
12 return (-1);
13 $cdir = $this->ReadCentralDir($zip, $zn);
14 $pos_entry = $cdir['offset'];
15
16 if (!is_array($index)) {
17 $index = array (
18 $index
19 );
20 }
21 for ($i = 0; $index[$i]; $i++) {
22 if (intval($index[$i]) != $index[$i] || $index[$i] > $cdir['entries'])
23 return (-1);
24 }
25 for ($i = 0; $i < $cdir['entries']; $i++) {
26 @ fseek($zip, $pos_entry);
27 $header = $this->ReadCentralFileHeaders($zip);
28 $header['index'] = $i;
29 $pos_entry = ftell($zip);
30 @ rewind($zip);
31 fseek($zip, $header['offset']);
32 if (in_array("-1", $index) || in_array($i, $index))
33 $stat[$header['filename']] = $this->ExtractFile($header, $to, $zip);
34 }
35 fclose($zip);
36 return $stat;
37 }
38
39 function ReadFileHeader($zip) {
40 $binary_data = fread($zip, 30);
41 $data = unpack('vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $binary_data);
42
43 $header['filename'] = fread($zip, $data['filename_len']);
44 if ($data['extra_len'] != 0) {
45 $header['extra'] = fread($zip, $data['extra_len']);
46 } else {
47 $header['extra'] = '';
48 }
49
50 $header['compression'] = $data['compression'];
51 $header['size'] = $data['size'];
52 $header['compressed_size'] = $data['compressed_size'];
53 $header['crc'] = $data['crc'];
54 $header['flag'] = $data['flag'];
55 $header['mdate'] = $data['mdate'];
56 $header['mtime'] = $data['mtime'];
57
58 if ($header['mdate'] && $header['mtime']) {
59 $hour = ($header['mtime'] & 0xF800) >> 11;
60 $minute = ($header['mtime'] & 0x07E0) >> 5;
61 $seconde = ($header['mtime'] & 0x001F) * 2;
62 $year = (($header['mdate'] & 0xFE00) >> 9) + 1980;
63 $month = ($header['mdate'] & 0x01E0) >> 5;
64 $day = $header['mdate'] & 0x001F;
65 $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
66 } else {
67 $header['mtime'] = time();
68 }
69
70 $header['stored_filename'] = $header['filename'];
71 $header['status'] = "ok";
72 return $header;
73 }
74
75 function ReadCentralFileHeaders($zip) {
76 $binary_data = fread($zip, 46);
77 $header = unpack('vchkid/vid/vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $binary_data);
78
79 if ($header['filename_len'] != 0)
80 $header['filename'] = fread($zip, $header['filename_len']);
81 else
82 $header['filename'] = '';
83
84 if ($header['extra_len'] != 0)
85 $header['extra'] = fread($zip, $header['extra_len']);
86 else
87 $header['extra'] = '';
88
89 if ($header['comment_len'] != 0)
90 $header['comment'] = fread($zip, $header['comment_len']);
91 else
92 $header['comment'] = '';
93
94 if ($header['mdate'] && $header['mtime']) {
95 $hour = ($header['mtime'] & 0xF800) >> 11;
96 $minute = ($header['mtime'] & 0x07E0) >> 5;
97 $seconde = ($header['mtime'] & 0x001F) * 2;
98 $year = (($header['mdate'] & 0xFE00) >> 9) + 1980;
99 $month = ($header['mdate'] & 0x01E0) >> 5;
100 $day = $header['mdate'] & 0x001F;
101 $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year);
102 } else {
103 $header['mtime'] = time();
104 }
105 $header['stored_filename'] = $header['filename'];
106 $header['status'] = 'ok';
107 if (substr($header['filename'], -1) == '/')
108 $header['external'] = 0x41FF0010;
109 return $header;
110 }
111
112 function ReadCentralDir($zip, $zip_name) {
113 $size = filesize($zip_name);
114
115 if ($size < 277)
116 $maximum_size = $size;
117 else
118 $maximum_size = 277;
119
120 @ fseek($zip, $size - $maximum_size);
121 $pos = ftell($zip);
122 $bytes = 0x00000000;
123
124 while ($pos < $size) {
125 $byte = @ fread($zip, 1);
126 $bytes = ($bytes << 8) | ord($byte);
127 if ($bytes == 0x504b0506 or $bytes == 0x2e706870504b0506) {
128 $pos++;
129 break;
130 }
131 $pos++;
132 }
133
134 $fdata = fread($zip, 18);
135
136 $data = @ unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size', $fdata);
137
138 if ($data['comment_size'] != 0)
139 $centd['comment'] = fread($zip, $data['comment_size']);
140 else
141 $centd['comment'] = '';
142 $centd['entries'] = $data['entries'];
143 $centd['disk_entries'] = $data['disk_entries'];
144 $centd['offset'] = $data['offset'];
145 $centd['disk_start'] = $data['disk_start'];
146 $centd['size'] = $data['size'];
147 $centd['disk'] = $data['disk'];
148 return $centd;
149 }
150
151 function ExtractFile($header, $to, $zip) {
152 $header = $this->readfileheader($zip);
153
154 if (substr($to, -1) != "/")
155 $to .= "/";
156 if ($to == './')
157 $to = '';
158 $pth = explode("/", $to . $header['filename']);
159 $mydir = '';
160 for ($i = 0; $i < count($pth) - 1; $i++) {
161 if (!$pth[$i])
162 continue;
163 $mydir .= $pth[$i] . "/";
164 if ((!is_dir($mydir) && @ mkdir($mydir, 0777)) || (($mydir == $to . $header['filename'] || ($mydir == $to && $this->total_folders == 0)) && is_dir($mydir))) {
165 @ chmod($mydir, 0777);
166 $this->total_folders++;
167 echo "<input name='dfile[]' type='checkbox' value='$mydir' checked> <a href='$mydir' target='_blank'>目录: $mydir</a><br>";
168 }
169 }
170
171 if (strrchr($header['filename'], '/') == '/')
172 return;
173
174 if (!($header['external'] == 0x41FF0010) && !($header['external'] == 16)) {
175 if ($header['compression'] == 0) {
176 $fp = @ fopen($to . $header['filename'], 'wb');
177 if (!$fp)
178 return (-1);
179 $size = $header['compressed_size'];
180
181 while ($size != 0) {
182 $read_size = ($size < 2048 ? $size : 2048);
183 $buffer = fread($zip, $read_size);
184 $binary_data = pack('a' . $read_size, $buffer);
185 @ fwrite($fp, $binary_data, $read_size);
186 $size -= $read_size;
187 }
188 fclose($fp);
189 touch($to . $header['filename'], $header['mtime']);
190 } else {
191 $fp = @ fopen($to . $header['filename'] . '.gz', 'wb');
192 if (!$fp)
193 return (-1);
194 $binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($header['compression']), Chr(0x00), time(), Chr(0x00), Chr(3));
195
196 fwrite($fp, $binary_data, 10);
197 $size = $header['compressed_size'];
198
199 while ($size != 0) {
200 $read_size = ($size < 1024 ? $size : 1024);
201 $buffer = fread($zip, $read_size);
202 $binary_data = pack('a' . $read_size, $buffer);
203 @ fwrite($fp, $binary_data, $read_size);
204 $size -= $read_size;
205 }
206
207 $binary_data = pack('VV', $header['crc'], $header['size']);
208 fwrite($fp, $binary_data, 8);
209 fclose($fp);
210
211 $gzp = @ gzopen($to . $header['filename'] . '.gz', 'rb') or die("Cette archive est compress閑");
212 if (!$gzp)
213 return (-2);
214 $fp = @ fopen($to . $header['filename'], 'wb');
215 if (!$fp)
216 return (-1);
217 $size = $header['size'];
218
219 while ($size != 0) {
220 $read_size = ($size < 2048 ? $size : 2048);
221 $buffer = gzread($gzp, $read_size);
222 $binary_data = pack('a' . $read_size, $buffer);
223 @ fwrite($fp, $binary_data, $read_size);
224 $size -= $read_size;
225 }
226 fclose($fp);
227 gzclose($gzp);
228
229 touch($to . $header['filename'], $header['mtime']);
230 @ unlink($to . $header['filename'] . '.gz');
231
232 }
233 }
234
235 $this->total_files++;
236 echo "<input name='dfile[]' type='checkbox' value='$to$header[filename]' checked> <a href='$to$header[filename]' target='_blank'>文件: $to$header[filename]</a><br>";
237
238 return true;
239 }
240
241 // end class
242 }
243 ?>
来源：https://www.cnblogs.com/wang3680/p/3237862.html