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HTML drop-down menu retains the selected value after submission without returning the default value
HTML drop-down menu retains the selected value after submission without returning the default value
This article mainly introduces how to retain the selected value without returning the default value after the HTML drop-down menu is submitted. Although the method is simple, it is more practical. Friends in need can refer to it
<html> <body> <?php // 获取select值 $select_value = isset($_GET['select']) ? $_GET['select'] : ''; ?> <form action="?"> <select name="select"> <option value="">default</option> <option value="option1" <?php // 如果在上面获取的值和这个option里的值一样， // 就打印selected，让这个option默认被选中 echo $select_value == 'option1' ? 'selected' : '' ?>>option1</option> </select> <input type="submit" value="submit" /> </form> </body> </html>
Each option must be With this script, if there are multiple, you can print them in a loop.
For more html drop-down menus, after submission, the selected value is retained without returning to the default value. For related articles, please pay attention to the PHP Chinese website!
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