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?>
<div id="class.mysqli-stmt" class="reference">
 <h1 class="title">mysqli_stmt 类</h1>
 
 
 <div class="partintro"><p class="verinfo">(PHP 5, PHP 7, PHP 8)</p>
 

  <div class="section" id="mysqli-stmt.intro">
   <h2 class="title">简介</h2>
   <p class="para">
    代表预处理的语句。
   </p>
  </div>

 
  <div class="section" id="mysqli-stmt.synopsis">
   <h2 class="title">类摘要</h2>
 

   <div class="classsynopsis"><div class="classsynopsisinfo">
    
     <span class="modifier">class</span> <strong class="classname"><strong class="classname">mysqli_stmt</strong></strong>
     {</div>

    <div class="classsynopsisinfo classsynopsisinfo_comment">/* 属性 */</div>
    <div class="fieldsynopsis">
     <span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span></span>
      <var class="varname"><a href="mysqli-stmt.affected-rows.php">$<var class="varname">affected_rows</var></a></var>;</div>

    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span></span>
      <var class="varname"><a href="mysqli-stmt.insert-id.php">$<var class="varname">insert_id</var></a></var>;</div>

    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span></span>
      <var class="varname"><a href="mysqli-stmt.num-rows.php">$<var class="varname">num_rows</var></a></var>;</div>

    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="varname"><a href="mysqli-stmt.param-count.php">$<var class="varname">param_count</var></a></var>;</div>

    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="varname"><a href="mysqli-stmt.field-count.php">$<var class="varname">field_count</var></a></var>;</div>

    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="varname"><a href="mysqli-stmt.errno.php">$<var class="varname">errno</var></a></var>;</div>

    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><a href="language.types.string.php" class="type string">string</a></span>
      <var class="varname"><a href="mysqli-stmt.error.php">$<var class="varname">error</var></a></var>;</div>

    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><a href="language.types.array.php" class="type array">array</a></span>
      <var class="varname"><a href="mysqli-stmt.error-list.php">$<var class="varname">error_list</var></a></var>;</div>

    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="modifier">readonly</span>
     <span class="type"><a href="language.types.string.php" class="type string">string</a></span>
      <var class="varname"><a href="mysqli-stmt.sqlstate.php">$<var class="varname">sqlstate</var></a></var>;</div>

    <div class="fieldsynopsis"><span class="modifier">public</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="varname"><a href="class.mysqli-stmt.php#mysqli-stmt.props.id">$<var class="varname">id</var></a></var>;</div>


    <div class="classsynopsisinfo classsynopsisinfo_comment">/* 方法 */</div>
    <div class="constructorsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.construct.php" class="methodname">__construct</a></span>(<span class="methodparam"><span class="type"><a href="class.mysqli.php" class="type mysqli">mysqli</a></span> <code class="parameter">$mysql</code></span>, <span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$query</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>)</div>

    <div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.attr-get.php" class="methodname">attr_get</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$attribute</code></span>): <span class="type"><a href="language.types.integer.php" class="type int">int</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.attr-set.php" class="methodname">attr_set</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$attribute</code></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$value</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.bind-param.php" class="methodname">bind_param</a></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$types</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter reference">&$var</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter reference">&...$vars</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.bind-result.php" class="methodname">bind_result</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter reference">&$var</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter reference">&...$vars</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.close.php" class="methodname">close</a></span>(): <span class="type"><a href="language.types.singleton.php" class="type true">true</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.data-seek.php" class="methodname">data_seek</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$offset</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.execute.php" class="methodname">execute</a></span>(<span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.array.php" class="type array">array</a></span></span> <code class="parameter">$params</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.fetch.php" class="methodname">fetch</a></span>(): <span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.free-result.php" class="methodname">free_result</a></span>(): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.get-result.php" class="methodname">get_result</a></span>(): <span class="type"><span class="type"><a href="class.mysqli-result.php" class="type mysqli_result">mysqli_result</a></span>|<span class="type"><a href="language.types.singleton.php" class="type false">false</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.get-warnings.php" class="methodname">get_warnings</a></span>(): <span class="type"><span class="type"><a href="class.mysqli-warning.php" class="type mysqli_warning">mysqli_warning</a></span>|<span class="type"><a href="language.types.singleton.php" class="type false">false</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.more-results.php" class="methodname">more_results</a></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.next-result.php" class="methodname">next_result</a></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.num-rows.php" class="methodname">num_rows</a></span>(): <span class="type"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.prepare.php" class="methodname">prepare</a></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$query</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.reset.php" class="methodname">reset</a></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.result-metadata.php" class="methodname">result_metadata</a></span>(): <span class="type"><span class="type"><a href="class.mysqli-result.php" class="type mysqli_result">mysqli_result</a></span>|<span class="type"><a href="language.types.singleton.php" class="type false">false</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.send-long-data.php" class="methodname">send_long_data</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$param_num</code></span>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$data</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="mysqli-stmt.store-result.php" class="methodname">store_result</a></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

   }</div>

 
  </div>

  <div class="section" id="mysqli-stmt.props">
   <h2 class="title">属性</h2>
   <dl>
    
     <dt id="mysqli-stmt.props.id">
      <var class="varname">id</var>
     </dt>
     <dd>
      <p class="para">
       存储语句 ID。
      </p>
     </dd>
    
   </dl>
  </div>
 </div>
 
 












































































































































<h2>目录</h2><ul class="chunklist chunklist_reference"><li><a href="mysqli-stmt.affected-rows.php">mysqli_stmt::$affected_rows</a> — Returns the total number of rows changed, deleted, inserted, or
  matched by the last statement executed</li><li><a href="mysqli-stmt.attr-get.php">mysqli_stmt::attr_get</a> — Used to get the current value of a statement attribute</li><li><a href="mysqli-stmt.attr-set.php">mysqli_stmt::attr_set</a> — Used to modify the behavior of a prepared statement</li><li><a href="mysqli-stmt.bind-param.php">mysqli_stmt::bind_param</a> — Binds variables to a prepared statement as parameters</li><li><a href="mysqli-stmt.bind-result.php">mysqli_stmt::bind_result</a> — Binds variables to a prepared statement for result storage</li><li><a href="mysqli-stmt.close.php">mysqli_stmt::close</a> — Closes a prepared statement</li><li><a href="mysqli-stmt.construct.php">mysqli_stmt::__construct</a> — Constructs a new mysqli_stmt object</li><li><a href="mysqli-stmt.data-seek.php">mysqli_stmt::data_seek</a> — Adjusts the result pointer to an arbitrary row in the buffered result</li><li><a href="mysqli-stmt.errno.php">mysqli_stmt::$errno</a> — Returns the error code for the most recent statement call</li><li><a href="mysqli-stmt.error.php">mysqli_stmt::$error</a> — Returns a string description for last statement error</li><li><a href="mysqli-stmt.error-list.php">mysqli_stmt::$error_list</a> — Returns a list of errors from the last statement executed</li><li><a href="mysqli-stmt.execute.php">mysqli_stmt::execute</a> — Executes a prepared statement</li><li><a href="mysqli-stmt.fetch.php">mysqli_stmt::fetch</a> — Fetch results from a prepared statement into the bound variables</li><li><a href="mysqli-stmt.field-count.php">mysqli_stmt::$field_count</a> — Returns the number of columns in the given statement</li><li><a href="mysqli-stmt.free-result.php">mysqli_stmt::free_result</a> — Frees stored result memory for the given statement handle</li><li><a href="mysqli-stmt.get-result.php">mysqli_stmt::get_result</a> — Gets a result set from a prepared statement as a mysqli_result object</li><li><a href="mysqli-stmt.get-warnings.php">mysqli_stmt::get_warnings</a> — Get result of SHOW WARNINGS</li><li><a href="mysqli-stmt.insert-id.php">mysqli_stmt::$insert_id</a> — Get the ID generated from the previous INSERT operation</li><li><a href="mysqli-stmt.more-results.php">mysqli_stmt::more_results</a> — Check if there are more query results from a multiple query</li><li><a href="mysqli-stmt.next-result.php">mysqli_stmt::next_result</a> — Reads the next result from a multiple query</li><li><a href="mysqli-stmt.num-rows.php">mysqli_stmt::$num_rows</a> — Returns the number of rows fetched from the server</li><li><a href="mysqli-stmt.param-count.php">mysqli_stmt::$param_count</a> — Returns the number of parameters for the given statement</li><li><a href="mysqli-stmt.prepare.php">mysqli_stmt::prepare</a> — Prepares an SQL statement for execution</li><li><a href="mysqli-stmt.reset.php">mysqli_stmt::reset</a> — Resets a prepared statement</li><li><a href="mysqli-stmt.result-metadata.php">mysqli_stmt::result_metadata</a> — Returns result set metadata from a prepared statement</li><li><a href="mysqli-stmt.send-long-data.php">mysqli_stmt::send_long_data</a> — Send data in blocks</li><li><a href="mysqli-stmt.sqlstate.php">mysqli_stmt::$sqlstate</a> — Returns SQLSTATE error from previous statement operation</li><li><a href="mysqli-stmt.store-result.php">mysqli_stmt::store_result</a> — Stores a result set in an internal buffer</li></ul>
</div>
<?php manual_footer($setup); ?>