增加输入框跳转至多少页的功能 增加下拉框选值跳转至多少页的功能 增加数据库演示内容及mysql数据调用示例 修复地址栏中修改参数后跳转的问题 修复分页数值限定只允许数值且规定 传入值的上限与下限不超过总页数或小于0 限制分页值不能为小数-Increasing the input box to jump to the function of the number of pages to increase the value of the drop down box to jump to the page number feature presentations and increase the　mysql call sample data restoration in the address bar to modify the parameters after the jump bug fixes tab allows only limited value and values upper and lower limit does not exceed the total value of the incoming pages or less than zero limit values ​ ​ can not be a decimal tab