分页步骤笔记

分页方法笔记
按钮分页
<script type="text/javascript">
    function nextPage(value) {
      value=value+1;
      document.getElementById("pageNow").value=value;
      return true;
     }
    function prevPage(value) {
       value=value-1;
       document.getElementById("pageNow").value=value;
       return true;
     }
</script>
<form>
<input type="submit" value="上一页" onclick="return prevPag(${pageNow});"/>
<span>第</span><input type="text" name="pageNow" id="pageNow" value="${pageNow}" style="width:20px"/><span>/${pageCount}页</span>
<input type="submit" value="跳转"/>
<input type="submit" value="下一页" onclick="return nextPage(${pageNow});"/>
</form>


mysql分页
int pageNow=1;//当前页数
int pageSize=10；//每页的条数
limit (pageNow-1)*pageSize,pageSize