清除浮动：<div style="clear:both;"></div>
textarea 取值：<textarea ><{$result_datas['beiz']}></textarea>
input 取值：<input value="<{$result_datas['beiz']}>" />
返回上一页：<a href="javascript:history.go(-1)">返回</a>
<script>
window.location.href= history.go(-1);
</script>
