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pre標簽的作用是什么?預格式化文本怎么用?

小老鼠
發(fā)布: 2025-08-03 16:30:02
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<p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"> 標簽用于顯示預格式化的文本,1. 它保留空格和換行,確保內容按原格式顯示;2. 默認使用等寬字體(如 courier new),以保證代碼對齊和可讀性;3. 可通過 css 自定義樣式,如字體、背景色、邊框及添加滾動條;4. 與 <code> 標簽結合使用可增強語義,<pre class="brush:php;toolbar:false"> 負責格式保留,<code> 表示代碼內容,也可單獨使用 <code> 顯示行內代碼;5. 在 <pre class="brush:php;toolbar:false"> 中需轉義特殊字符為 html 實體,如 <、>、&,以防止被誤解析為 html 標簽,從而確保代碼正確顯示。</p><p>@@##@@</p><p><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽主要用于顯示預格式化的文本。這意味著<a style="color:#f60; text-decoration:underline;" title="瀏覽器" href="http://www.400tele.com.cn/zt/16180.html" target="_blank">瀏覽器</a>會保留文本中的空格和換行符,這對于展示代碼、詩歌或任何需要精確格式的內容非常有用。它能讓你所見即所得,避免了手動調整格式的麻煩。</p> <img src="https://img.php.cn/upload/article/001/221/864/175420980618739.png" alt="pre標簽的作用是什么?預格式化文本怎么用?"><p>解決方案:</p> <p>使用 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽非常簡單。你只需要將需要預格式化的文本放在 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 和 <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div> 標簽之間即可。例如:</p> <img src="https://img.php.cn/upload/article/001/221/864/175420980769426.png" alt="pre標簽的作用是什么?預格式化文本怎么用?"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:html;toolbar:false;'><pre class="brush:php;toolbar:false"> function myFunction() { console.log("Hello, world!"); } </pre><div class="contentsignin">登錄后復制</div></div><p>這段代碼在瀏覽器中會按照你輸入的格式顯示,包括縮進和換行。</p> <p><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽默認使用等寬字體(通常是 Courier New),這有助于對齊文本,特別是在顯示代碼時。</p> <img src="https://img.php.cn/upload/article/001/221/864/175420980761559.png" alt="pre標簽的作用是什么?預格式化文本怎么用?"><h3> <a style="color:#f60; text-decoration:underline;" title="為什么" href="http://www.400tele.com.cn/zt/92702.html" target="_blank">為什么</a> <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽默認使用等寬字體?</h3> <p>等寬字體(也稱為固定寬度字體)的每個字符都占據(jù)相同的水平空間。這對于代碼的對齊至關重要,因為它可以確保代碼的縮進和結構清晰可見。如果使用比例字體(每個字符的寬度不同),代碼的對齊可能會混亂,難以閱讀。</p> <p>例如,在等寬字體中,字母 "i" 和字母 "m" 占據(jù)相同的寬度,而在比例字體中,"i" 比 "m" 窄得多。這種差異在顯示代碼時會造成很大的影響。</p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:html;toolbar:false;'><pre class="brush:php;toolbar:false"> // 等寬字體示例 int i = 1; int num = 100; // 比例字體示例 (不推薦用于代碼) int i = 1; int num = 100; </pre><div class="contentsignin">登錄后復制</div></div><p>通過使用等寬字體,<div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽能夠確保代碼的每個部分都清晰對齊,從而提高代碼的可讀性和可維護性。</p> <h3>如何自定義 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽的樣式?</h3> <p>雖然 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽默認提供了一些樣式,但你可以使用 CSS 來自定義它的外觀。例如,你可以更改字體、顏色、背景顏色、邊距等。</p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:html;toolbar:false;'><style> pre { font-family: "Courier New", monospace; background-color: #f4f4f4; padding: 10px; border: 1px solid #ccc; overflow: auto; /* 添加滾動條,防止內容溢出 */ } </style> <pre class="brush:php;toolbar:false"> function myFunction() { console.log("Hello, world!"); } </pre><div class="contentsignin">登錄后復制</div></div><p>在這個例子中,我們使用 CSS 將字體設置為 Courier New,添加了背景顏色和邊框,并啟用了水平滾動條,以防止內容溢出。<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">overflow: auto;</pre><div class="contentsignin">登錄后復制</div></div> 尤其重要,因為它可以確保在內容超出 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽的寬度時,用戶仍然可以滾動查看完整的內容。</p> <h3><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽和 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><code></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽有什么<a style="color:#f60; text-decoration:underline;" title="區(qū)別" href="http://www.400tele.com.cn/zt/27988.html" target="_blank">區(qū)別</a>?它們應該如何一起使用?</h3> <p><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><code></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽用于表示一段代碼。它通常與 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽一起使用,以提供更好的語義和樣式。<div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><code></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽本身不會保留空格和換行符,因此需要將其放在 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽內才能正確顯示代碼的格式。</p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:html;toolbar:false;'><pre class="brush:php;toolbar:false"> <code> function myFunction() { console.log("Hello, world!"); } </code> </pre><div class="contentsignin">登錄后復制</div></div><p>在這個例子中,<div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><code></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽告訴瀏覽器這段文本是代碼,而 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽則負責保留代碼的格式。</p> <p>雖然 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><code></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽通常與 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽一起使用,但它也可以單獨使用,用于在行內顯示代碼片段。例如:</p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:html;toolbar:false;'><p>使用 <code>console.log()</code> 函數(shù)可以在控制臺中輸出信息。</p></pre><div class="contentsignin">登錄后復制</div></div><p>總的來說,<div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽用于顯示預格式化的文本,而 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><code></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽用于表示代碼。它們通常一起使用,以提供更好的語義和樣式,但也可以根據(jù)需要單獨使用。</p> <h3>如何處理 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽中的 HTML 實體?</h3> <p>由于 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽會保留文本中的所有字符,包括 HTML 標記,因此你需要使用 HTML 實體來轉義特殊字符,例如 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><</pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div>、<div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 和 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">&</pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div>。</p><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:html;toolbar:false;'><pre class="brush:php;toolbar:false"> <code> if (a < b) { console.log("a is less than b"); } </code> </pre><div class="contentsignin">登錄后復制</div></div><p>在這個例子中,我們使用 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><</pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 來表示小于號 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><</pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div>。如果不進行轉義,瀏覽器可能會將 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><</pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 解釋為 HTML 標記的開始,從而導致顯示錯誤。</p> <p>常用的 HTML 實體包括:</p> <ul> <li><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><</pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div>:<div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><</pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div></li> <li><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div>:<div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div></li> <li><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">&</pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div>:<div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">&</pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div></li> <li><div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">"</pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div>:<div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">"</pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div></li> <li><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">'</pre><div class="contentsignin">登錄后復制</div></div>:<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false">'</pre><div class="contentsignin">登錄后復制</div></div></li> </ul> <p>通過使用 HTML 實體,你可以確保 <div class="code" style="position:relative; padding:0px; margin:0px;"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:php;toolbar:false"></pre><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div><div class="contentsignin">登錄后復制</div></div> 標簽中的文本能夠正確顯示,而不會被瀏覽器錯誤地解釋為 HTML 標記。</p> <img src="https://img.php.cn/upload/article/001/221/864/175420980854701.png" alt="pre標簽的作用是什么?預格式化文本怎么用?">

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