HTML input 友好提醒
<input class="xijie1" type="text" onfocus="if(this.value=='请填写评分细节')this.value='';" onblur="if(this.value.length==0){this.value='请填写评分细节';}"
value="请填写评分细节" style="width: 320px; height: 25px; float: left;color:gray;" />