小编piy*_*iya的帖子

我有一个表单，我希望该表单的输入字段只接受 UTF-8 字符。我不知道如何实现这一点。以下是我的 html 表单。任何帮助！提前致谢..

<form action="" method="post" id="myform">              

<fieldset id="address">
    <div class="required">
        <label for="firstName">
            <span class="required-indicator">* </span>
            <span>First Name</span>
        </label>
        <input class="input-text required" id="firstName" type="text" name="billto_firstname" value="" maxlength="50">
    </div>

    <div class="required">
        <label for="lastName">
            <span class="required-indicator">* </span>
            <span>Last Name</span>
        </label>

        <input class="input-text required" id="lastName" type="text" name="billto_lastname" value="" maxlength="50">
    </div>

    <div class="required">
        <label for="address1">
            <span class="required-indicator">* </span>
            <span>Address 1</span>
        </label>

        <input class="required" id="address1" type="text" name="billto_address1" value="" maxlength="50">
    </div>
</fieldset>

<fieldset>
    <div class="row-button">
        <button class="continue-button" type="submit" name="submit-form" onclick="this.submit()" value="Continue"><span>Continue </span></button>
    </div>              
</fieldset> …