使用 maxHeightmaxWidthminHeightminWidth 选项限制 resizable 元素的最大或最小高度或宽度。

放大/缩小

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 缩放(Resizable) - 最大/最小尺寸</title>
  <link rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
  <script src="//code.jquery.com/jquery-1.9.1.js"></script>
  <script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
  <link rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css">
  <style>
  #resizable { width: 200px; height: 150px; padding: 5px; }
  #resizable h3 { text-align: center; margin: 0; }
  </style>
  <script>
  $(function() {
    $( "#resizable" ).resizable({
      maxHeight: 250,
      maxWidth: 350,
      minHeight: 150,
      minWidth: 200
    });
  });
  </script>
</head>
<body>
 
<div id="resizable" class="ui-widget-content">
  <h3 class="ui-widget-header">放大/缩小</h3>
</div>
 
 
</body>
</html>