js分页代码

Posted 2020-09-01 Forward1990

//html代码

<table class="gridtable" align="center" valign="center" id="fenye">
<tr>
<th width=600>单头</th>
<th width=600>单头</th>
</tr>


@foreach($data as $_data)
<tr class="test" style="display: none;">
<td width=600>第一条</td>
<td width=600>第一条数据</td>
</tr>
@endforeach

</table>

//js部分，可以自定义修改

<script>

var obj,j;
var page=0;
var nowPage=0;//当前页
var listNum=20;//每页显示<ul>数
var PagesLen;//总页数
var PageNum=7;//分页链接接数(5个)
onload=function(){
obj=document.getElementById("fenye").getElementsByClassName("test");
j=obj.length

PagesLen=Math.ceil(j/listNum);
upPage(0)
}
function upPage(p){
nowPage=p
//内容变换
for (var i=0;i<j;i++){
obj[i].style.display="none"
}
for (var i=p*listNum;i<(p+1)*listNum;i++){
if(obj[i])obj[i].style.display="table-row"
}
//分页链接变换
strS=‘<a href="###" onclick="upPage(0)">首页</a> ‘
var PageNum_2=PageNum%2==0?Math.ceil(PageNum/2)+1:Math.ceil(PageNum/2)
var PageNum_3=PageNum%2==0?Math.ceil(PageNum/2):Math.ceil(PageNum/2)+1
var strC="",startPage,endPage;
if (PageNum>=PagesLen) {startPage=0;endPage=PagesLen-1}
else if (nowPage<PageNum_2){startPage=0;endPage=PagesLen-1>PageNum?PageNum:PagesLen-1}//首页
else {startPage=nowPage+PageNum_3>=PagesLen?PagesLen-PageNum-1: nowPage-PageNum_2+1;var t=startPage+PageNum;endPage=t>PagesLen?PagesLen-1:t}
for (var i=startPage;i<=endPage;i++){
if (i==nowPage)strC+=‘<a href="###" style="color:red;font-weight:700;" onclick="upPage(‘+i+‘)">‘+(i+1)+‘</a> ‘
else strC+=‘<a href="###" onclick="upPage(‘+i+‘)">‘+(i+1)+‘</a> ‘
}
strE=‘ <a href="###" onclick="upPage(‘+(PagesLen-1)+‘)">尾页</a> ‘
strE2=nowPage+1+"/"+PagesLen+"页"+" 共"+j+"条"
strE3 = "，成功"+{{$success}}+"条，失败<span style=‘color:red;font-weight:700;‘>"+{{$fail}}+"</span>条"
document.getElementById("changpage").innerHTML=strS+strC+strE+strE2+strE3
}

</script>