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    3. 

  3.  <head>
    4. 

  4.   <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    5. 

  5.   <title>Fetches the next row into result-buffer</title>
    6. 

  6. 

  7.  </head>
    8. 

  8.  <body><div class="manualnavbar" style="text-align: center;">
    9. 

  9.  <div class="prev" style="text-align: left; float: left;"><a href="function.oci-fetch-row.html">oci_fetch_row</a></div>
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  10.  <div class="next" style="text-align: right; float: right;"><a href="function.oci-field-is-null.html">oci_field_is_null</a></div>
    11. 

  11.  <div class="up"><a href="ref.oci8.html">OCI8 函数</a></div>
    12. 

  12.  <div class="home"><a href="index.html">PHP Manual</a></div>
    13. 

  13. </div><hr /><div id="function.oci-fetch" class="refentry">
    14. 

  14.  <div class="refnamediv">
    15. 

  15.   <h1 class="refname">oci_fetch</h1>
    16. 

  16.   <p class="verinfo">(PHP 5, PECL OCI8 &gt;= 1.1.0)</p><p class="refpurpose"><span class="refname">oci_fetch</span> &mdash; <span class="dc-title">Fetches the next row into result-buffer</span></p>
    17. 

  17. 

  18.  </div>
    19. 

  19.  <div class="refsect1 description" id="refsect1-function.oci-fetch-description">
    20. 

  20.   <h3 class="title">说明</h3>
    21. 

  21.    <div class="methodsynopsis dc-description">
    22. 

  22.     <span class="type">bool</span> <span class="methodname"><strong>oci_fetch</strong></span>
    23. 

  23.      ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$statement</code></span>
    24. 

  24.     )</div>
    25. 

  25. 

  26.   <p class="para rdfs-comment">
    27. 

  27.     <span class="function"><strong>oci_fetch()</strong></span> 获取下一行（对于 SELECT 语句）到内部结果缓冲区。
    28. 

  28.   </p>
    29. 

  29.   <blockquote class="note"><p><strong class="note">Note</strong>: 
    30. 

  30.    <p class="para">
    31. 

  31.     在 PHP 5.0.0 之前的版本必须使用  <span class="function"><a href="function.ocifetch.html" class="function">ocifetch()</a></span>
    32. 

  32.     替代本函数。该函数名仍然可用，为向下兼容作为
    33. 

  33.      <span class="function"><strong>oci_fetch()</strong></span> 的别名。不过其已被废弃，不推荐使用。
    34. 

  34.    </p>
    35. 

  35.   </p></blockquote>
    36. 

  36.  </div>
    37. 

  37. 

  38. 

  39.  <div class="refsect1 parameters" id="refsect1-function.oci-fetch-parameters">
    40. 

  40.   <h3 class="title">参数</h3>
    41. 

  41.   <p class="para">
    42. 

  42.    <dl>
    43. 

  43. 

  44.     <dt>
    45. 

  45. 

  46.      <span class="term"><em><code class="parameter">statement</code></em></span>
    47. 

  47.      <dd>
    48. 

  48. 

  49.        <p class="para">有效的 OCI8 报表标识符
    50. 

  50. 由  <span class="function"><a href="function.oci-parse.html" class="function">oci_parse()</a></span> 创建，被  <span class="function"><a href="function.oci-execute.html" class="function">oci_execute()</a></span>
    51. 

  51. 或 <em>REF CURSOR</em> statement 标识执行。</p>
    52. 

  52.      </dd>
    53. 

  53. 

  54.     </dt>
    55. 

  55. 

  56.    </dl>
    57. 

  57. 

  58.   </p>
    59. 

  59.  </div>
    60. 

  60. 

  61. 

  62.  <div class="refsect1 returnvalues" id="refsect1-function.oci-fetch-returnvalues">
    63. 

  63.   <h3 class="title">返回值</h3>
    64. 

  64.   <p class="para">
    65. 

  65.    Returns <strong><code>TRUE</code></strong> on success or <strong><code>FALSE</code></strong> if there are no more rows in the
    66. 

  66.    <em><code class="parameter">statement</code></em>.
    67. 

  67.   </p>
    68. 

  68.  </div>
    69. 

  69. 

  70. 

  71.  <div class="refsect1 examples" id="refsect1-function.oci-fetch-examples">
    72. 

  72.   <h3 class="title">范例</h3>
    73. 

  73.   <p class="para">
    74. 

  74.    <div class="example" id="example-2010">
    75. 

  75.     <p><strong>Example #1  <span class="function"><strong>oci_fetch()</strong></span> with defined variables</strong></p>
    76. 

  76.     <div class="example-contents">
    77. 

  77. <div class="phpcode"><code><span style="color: #000000">
    78. 

  78. <span style="color: #0000BB">&lt;?php<br /><br />$conn&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if&nbsp;(!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$e&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">],&nbsp;</span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">),&nbsp;</span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$sql&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'SELECT&nbsp;location_id,&nbsp;city&nbsp;FROM&nbsp;locations&nbsp;WHERE&nbsp;location_id&nbsp;&lt;&nbsp;1200'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$stid&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;The&nbsp;defines&nbsp;MUST&nbsp;be&nbsp;done&nbsp;before&nbsp;executing<br /></span><span style="color: #0000BB">oci_define_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'LOCATION_ID'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$locid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_define_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'CITY'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$city</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Each&nbsp;fetch&nbsp;populates&nbsp;the&nbsp;previously&nbsp;defined&nbsp;variables&nbsp;with&nbsp;the&nbsp;next&nbsp;row's&nbsp;data<br /></span><span style="color: #007700">while&nbsp;(</span><span style="color: #0000BB">oci_fetch</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"Location&nbsp;id&nbsp;</span><span style="color: #0000BB">$locid</span><span style="color: #DD0000">&nbsp;is&nbsp;</span><span style="color: #0000BB">$city</span><span style="color: #DD0000">&lt;br&gt;\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;Displays:<br />//&nbsp;&nbsp;&nbsp;Location&nbsp;id&nbsp;1000&nbsp;is&nbsp;Roma<br />//&nbsp;&nbsp;&nbsp;Location&nbsp;id&nbsp;1100&nbsp;is&nbsp;Venice<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
    79. 

  79. </span>
    80. 

  80. </code></div>
    81. 

  81.     </div>
    82. 

  82. 

  83.    </div>
    84. 

  84.   </p>
    85. 

  85.   <p class="para">
    86. 

  86.    <div class="example" id="example-2011">
    87. 

  87.     <p><strong>Example #2  <span class="function"><strong>oci_fetch()</strong></span> with  <span class="function"><a href="function.oci-result.html" class="function">oci_result()</a></span></strong></p>
    88. 

  88.     <div class="example-contents">
    89. 

  89. <div class="phpcode"><code><span style="color: #000000">
    90. 

  90. <span style="color: #0000BB">&lt;?php<br /><br />$conn&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if&nbsp;(!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$e&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">],&nbsp;</span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">),&nbsp;</span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$sql&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'SELECT&nbsp;location_id,&nbsp;city&nbsp;FROM&nbsp;locations&nbsp;WHERE&nbsp;location_id&nbsp;&lt;&nbsp;1200'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$stid&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />while&nbsp;(</span><span style="color: #0000BB">oci_fetch</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">oci_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'LOCATION_ID'</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #DD0000">"&nbsp;is&nbsp;"</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">oci_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'CITY'</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #DD0000">"&lt;br&gt;\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;Displays:<br />//&nbsp;&nbsp;&nbsp;1000&nbsp;is&nbsp;Roma<br />//&nbsp;&nbsp;&nbsp;1100&nbsp;is&nbsp;Venice<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
    91. 

  91. </span>
    92. 

  92. </code></div>
    93. 

  93.     </div>
    94. 

  94. 

  95.    </div>
    96. 

  96.   </p>
    97. 

  97.  </div>
    98. 

  98. 

  99. 

  100.  <div class="refsect1 notes" id="refsect1-function.oci-fetch-notes">
    101. 

  101.   <h3 class="title">注释</h3>
    102. 

  102.   <blockquote class="note"><p><strong class="note">Note</strong>: 
    103. 

  103.    <p class="para">
    104. 

  104.     In PHP versions before 5.0.0 use  <span class="function"><a href="function.ocifetch.html" class="function">ocifetch()</a></span>
    105. 

  105.     instead.  在当前版本中，旧的函数名还可以被使用，但已经被废弃并不建议使用。
    106. 

  106.    </p>
    107. 

  107.   </p></blockquote>
    108. 

  108.  </div>
    109. 

  109. 

  110. 

  111.  <div class="refsect1 seealso" id="refsect1-function.oci-fetch-seealso">
    112. 

  112.   <h3 class="title">参见</h3>
    113. 

  113.   <p class="para">
    114. 

  114.    <ul class="simplelist">
    115. 

  115.     <li class="member"> <span class="function"><a href="function.oci-define-by-name.html" class="function" rel="rdfs-seeAlso">oci_define_by_name()</a> - 在 SELECT 中使用 PHP 变量作为定义的步骤</span></li>
    116. 

  116.     <li class="member"> <span class="function"><a href="function.oci-fetch-all.html" class="function" rel="rdfs-seeAlso">oci_fetch_all()</a> - 获取结果数据的所有行到一个数组</span></li>
    117. 

  117.     <li class="member"> <span class="function"><a href="function.oci-fetch-array.html" class="function" rel="rdfs-seeAlso">oci_fetch_array()</a> - Returns the next row from a query as an associative or numeric array</span></li>
    118. 

  118.     <li class="member"> <span class="function"><a href="function.oci-fetch-assoc.html" class="function" rel="rdfs-seeAlso">oci_fetch_assoc()</a> - Returns the next row from a query as an associative array</span></li>
    119. 

  119.     <li class="member"> <span class="function"><a href="function.oci-fetch-object.html" class="function" rel="rdfs-seeAlso">oci_fetch_object()</a> - Returns the next row from a query as an object</span></li>
    120. 

  120.     <li class="member"> <span class="function"><a href="function.oci-fetch-row.html" class="function" rel="rdfs-seeAlso">oci_fetch_row()</a> - Returns the next row from a query as a numeric array</span></li>
    121. 

  121.     <li class="member"> <span class="function"><a href="function.oci-result.html" class="function" rel="rdfs-seeAlso">oci_result()</a> - 返回所取得行中字段的值</span></li>
    122. 

  122.    </ul>
    123. 

  123.   </p>
    124. 

  124.  </div>
    125. 

  125. 

  126. </div><hr /><div class="manualnavbar" style="text-align: center;">
    127. 

  127.  <div class="prev" style="text-align: left; float: left;"><a href="function.oci-fetch-row.html">oci_fetch_row</a></div>
    128. 

  128.  <div class="next" style="text-align: right; float: right;"><a href="function.oci-field-is-null.html">oci_field_is_null</a></div>
    129. 

  129.  <div class="up"><a href="ref.oci8.html">OCI8 函数</a></div>
    130. 

  130.  <div class="home"><a href="index.html">PHP Manual</a></div>
    131. 

  131. </div></body></html>
    132. 

  132.