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<!DOCTYPE html> <html> <body> <h1>input readonly 属性</h1> <form action="/action_page.php"> <label for="fname">First name:</label> <input type="text" id="fname" name="fname"><br><br> <label for="country">Country:</label> <input type="text" id="country" name="country" value="Norway" readonly><br><br> <input type="submit" value="提交"> </form> </body> </html>