HTML 限制文本框只能输入数字 onkeyup+onafterpaste
限制文本框只能输入数字
<input onkeyup="if(isNaN(value))execCommand('undo')" onafterpaste="if(isNaN(value))execCommand('undo')">
<input name=txt1 onchange="if(/\D/.test(this.value)){alert('只能输入数字');this.value='';}">
或者
<input id="id_phone" class="q_input2" value="1" type="text" maxlength="4" title="请输入数字" onafterpaste="this.value=this.value.replace(/\D/g,'')" onkeyup="this.value=this.value.replace(/\D/g,'')" />
但是在thinkPHP框架中的
<notempty name="article">
<input id="id_phone" class="q_input2" value="1" type="text" maxlength="4" title="请输入数字" onafterpaste="this.value=this.value.replace(/\D/g,'')" onkeyup="this.value=this.value.replace(/\D/g,'')" />
<include file="proContent" />
<else />
<input id="id_phone" class="q_input2" value="1" type="text" maxlength="4" title="请输入数字" onafterpaste="this.value=this.value.replace(/\D/g,'')" onkeyup="this.value=this.value.replace(/\D/g,'')" />
<include file="proList" />
</notempty>
却不会被触发,怎么解决还不知道。现在我只能想办法换一个写法。有高手路过求指点