索引自定义函数

<span style="color: #008080"> 1</span> <?<span style="color: #000000">php</span><span style="color: #008080"> 2</span>     <span style="color: #0000ff">function</span> copyDir(<span style="color: #800080">$dirSrc</span>,<span style="color: #800080">$dirTo</span><span style="color: #000000">){</span><span style="color: #008080"> 3</span>         <span style="color: #0000ff">if</span>(<span style="color: #008080">is_file</span>(<span style="color: #800080">$dirTo</span><span style="color: #000000">))</span><span style="color: #008080"> 4</span> <span style="color: #000000">        {</span><span style="color: #008080"> 5</span>             <span style="color: #0000ff">echo</span> '目标不是目录不能创建！'<span style="color: #000000">;</span><span style="color: #008080"> 6</span>             <span style="color: #0000ff">return</span><span style="color: #000000">;</span><span style="color: #008080"> 7</span> <span style="color: #000000">        }</span><span style="color: #008080"> 8</span>         <span style="color: #0000ff">if</span>(!<span style="color: #008080">file_exists</span>(<span style="color: #800080">$dirTo</span><span style="color: #000000">))</span><span style="color: #008080"> 9</span> <span style="color: #000000">        {</span><span style="color: #008080">10</span>             <span style="color: #008080">mkdir</span>(<span style="color: #800080">$dirTo</span><span style="color: #000000">);</span><span style="color: #008080">11</span> <span style="color: #000000">        }</span><span style="color: #008080">12</span>         <span style="color: #800080">$dir_handle</span> = @<span style="color: #008080">opendir</span>(<span style="color: #800080">$dirSrc</span><span style="color: #000000">);</span><span style="color: #008080">13</span>         <span style="color: #0000ff">if</span>(<span style="color: #800080">$dir_handle</span><span style="color: #000000">)</span><span style="color: #008080">14</span> <span style="color: #000000">        {</span><span style="color: #008080">15</span>             <span style="color: #0000ff">while</span>(<span style="color: #800080">$filename</span> = <span style="color: #008080">readdir</span>(<span style="color: #800080">$dir_handle</span><span style="color: #000000">))</span><span style="color: #008080">16</span> <span style="color: #000000">            {</span><span style="color: #008080">17</span>                 <span style="color: #0000ff">if</span>(<span style="color: #800080">$filename</span>!="." && <span style="color: #800080">$filename</span>!=".."<span style="color: #000000">)</span><span style="color: #008080">18</span> <span style="color: #000000">                {</span><span style="color: #008080">19</span>                     <span style="color: #800080">$subSrcFile</span> = <span style="color: #800080">$dirSrc</span> . "\\".<span style="color: #800080">$filename</span><span style="color: #000000">;</span><span style="color: #008080">20</span>                     <span style="color: #800080">$subToFile</span> = <span style="color: #800080">$dirTo</span> . "\\".<span style="color: #800080">$filename</span><span style="color: #000000">;</span><span style="color: #008080">21</span>                      <span style="color: #008080">22</span>                      <span style="color: #0000ff">if</span>(<span style="color: #008080">is_dir</span>(<span style="color: #800080">$subSrcFile</span><span style="color: #000000">))</span><span style="color: #008080">23</span> <span style="color: #000000">                     {</span><span style="color: #008080">24</span>                          copyDir(<span style="color: #800080">$subSrcFile</span>, <span style="color: #800080">$subToFile</span><span style="color: #000000">);</span><span style="color: #008080">25</span> <span style="color: #000000">                     }</span><span style="color: #008080">26</span>                      <span style="color: #0000ff">if</span>(<span style="color: #008080">is_file</span>(<span style="color: #800080">$subSrcFile</span><span style="color: #000000">))</span><span style="color: #008080">27</span> <span style="color: #000000">                     {</span><span style="color: #008080">28</span>                           <span style="color: #008080">copy</span>(<span style="color: #800080">$subSrcFile</span>, <span style="color: #800080">$subToFile</span><span style="color: #000000">);</span><span style="color: #008080">29</span> <span style="color: #000000">                     }</span><span style="color: #008080">30</span> <span style="color: #000000">                }</span><span style="color: #008080">31</span> <span style="color: #000000">            }</span><span style="color: #008080">32</span>             <span style="color: #008080">closedir</span>(<span style="color: #800080">$dir_handle</span><span style="color: #000000">);</span><span style="color: #008080">33</span> <span style="color: #000000">        }</span><span style="color: #008080">34</span>     }

这个函数只要传递一个url，就能递归删除目录及子目录的文件，从而删除目录

<span style="color: #008080"> 1</span> <?<span style="color: #000000">php</span><span style="color: #008080"> 2</span> <span style="color: #0000ff">function</span> rmDirAll(<span style="color: #800080">$url</span><span style="color: #000000">){</span><span style="color: #008080"> 3</span>     <span style="color: #008000">//</span><span style="color: #008000">检测要打开目录是否存在</span><span style="color: #008080"> 4</span>     <span style="color: #0000ff">if</span>(!<span style="color: #800080">$dir</span>=@<span style="color: #008080">opendir</span>(<span style="color: #800080">$url</span><span style="color: #000000">)){</span><span style="color: #008080"> 5</span>         <span style="color: #0000ff">return</span> <span style="color: #0000ff">false</span><span style="color: #000000">;</span><span style="color: #008080"> 6</span> <span style="color: #000000">    }</span><span style="color: #008080"> 7</span>     <span style="color: #0000ff">while</span>(<span style="color: #0000ff">false</span> !==(<span style="color: #800080">$file</span>=<span style="color: #008080">readdir</span>(<span style="color: #800080">$dir</span><span style="color: #000000">))){</span><span style="color: #008080"> 8</span>     <span style="color: #008000">//</span><span style="color: #008000">排除当前目录与父级目录</span><span style="color: #008080"> 9</span>         <span style="color: #0000ff">if</span>(<span style="color: #800080">$file</span>!=="."&&<span style="color: #800080">$file</span>!==".."<span style="color: #000000">){</span><span style="color: #008080">10</span>             <span style="color: #800080">$file</span>=<span style="color: #800080">$url</span> .'/'. <span style="color: #800080">$file</span><span style="color: #000000">;</span><span style="color: #008080">11</span>             <span style="color: #008000">//</span><span style="color: #008000">递归删除目录</span><span style="color: #008080">12</span>             <span style="color: #0000ff">if</span>(<span style="color: #008080">is_dir</span>(<span style="color: #800080">$file</span><span style="color: #000000">)){</span><span style="color: #008080">13</span>                 rmDirAll(<span style="color: #800080">$file</span><span style="color: #000000">);</span><span style="color: #008080">14</span>             }<span style="color: #0000ff">else</span><span style="color: #000000">{</span><span style="color: #008080">15</span>                 <span style="color: #0000ff">if</span>(@<span style="color: #008080">unlink</span>(<span style="color: #800080">$file</span><span style="color: #000000">)){</span><span style="color: #008080">16</span>                     <span style="color: #0000ff">continue</span><span style="color: #000000">;</span><span style="color: #008080">17</span>                 }<span style="color: #0000ff">else</span><span style="color: #000000">{</span><span style="color: #008080">18</span>                     <span style="color: #0000ff">return</span> <span style="color: #0000ff">false</span><span style="color: #000000">;</span><span style="color: #008080">19</span> <span style="color: #000000">                }</span><span style="color: #008080">20</span> <span style="color: #000000">            }</span><span style="color: #008080">21</span> <span style="color: #000000">        }</span><span style="color: #008080">22</span>         <span style="color: #0000ff">if</span>(@<span style="color: #008080">rmdir</span>(<span style="color: #800080">$url</span><span style="color: #000000">)){</span><span style="color: #008080">23</span>            <span style="color: #0000ff">return</span> <span style="color: #0000ff">true</span><span style="color: #000000">;</span><span style="color: #008080">24</span>         }<span style="color: #0000ff">else</span><span style="color: #000000">{</span><span style="color: #008080">25</span>            <span style="color: #0000ff">return</span> <span style="color: #0000ff">false</span><span style="color: #000000">;</span><span style="color: #008080">26</span> <span style="color: #000000">        }</span><span style="color: #008080">27</span> <span style="color: #000000">    }</span><span style="color: #008080">28</span> }

---

搞代码网（gaodaima.com）提供的所有资源部分来自互联网，如果有侵犯您的版权或其他权益，请说明详细缘由并提供版权或权益证明然后发送到邮箱[email protected]‍，我们会在看到邮件的第一时间内为您处理，或直接联系QQ：872152909。本网站采用BY-NC-SA协议进行授权
转载请注明原文链接：索引自定义函数

喜欢 (0)赏

[搞代码]

分享 (0)