文本框 datatype属性 验证double类型
<input id="ordersl" name="ordersl" type="text" datatype="/^-?[1-9]+(\.\d+)?$|^-?0(\.\d+)?$|^-?[1-9]+[0-9]*(\.\d+)?$/" style="width: 150px" class="inputxt" value='${ldcOrderTaxPage.ordersl}' ignore="ignore" />
<input id="ordersl" name="ordersl" type="text" datatype="/^-?[1-9]+(\.\d+)?$|^-?0(\.\d+)?$|^-?[1-9]+[0-9]*(\.\d+)?$/" style="width: 150px" class="inputxt" value='${ldcOrderTaxPage.ordersl}' ignore="ignore" />
