//当前页数
var currentPage;

//首页点击事件
$("#homePage").click(function() {
    if(currentPage!=1){
        goPage(1);
        currentPage=1;
    }
});
//尾页点击事件
$("#endPage").click(function() {
    if(currentPage!=totalPage){
        goPage(totalPage);
        currentPage=totalPage;
    }
});
//上一页页点击事件
$("#pageUp").click(function() {
    if(currentPage>1){
        goPage(currentPage-1);
        currentPage-1;
    }
});
//下一页点击事件
$("#pageDown").click(function() {
    if(currentPage<totalPage){
        goPage(currentPage+1);
        currentPage+1;
    }
});

/**
 * 分页函数
 **/
function goPage(pno){
    var itable = $("#history").find("li");
    var num = itable.length;//表格所有行数(所有记录数)
    //console.log(num);
    //每页显示行数
    var pageSize = 10;
    //总共分几页
    if(num/pageSize > parseInt(num/pageSize)){
        totalPage=parseInt(num/pageSize)+1;
    }else{
        totalPage=parseInt(num/pageSize);
    }
    //当前页数
    currentPage = pno;
    //开始显示的行
    var startRow = (currentPage - 1) * pageSize+1;
    //结束显示的行
    var endRow = currentPage * pageSize;
    endRow = (endRow > num)? num : endRow;
    //console.log(endRow);
    //遍历显示数据实现分页
    for(var i=1;i<(num+1);i++){
        var irow = itable[i-1];
        if(i>=startRow && i<=endRow){
            irow.style.display = "block";
        }else{
            irow.style.display = "none";
        }
    }
    $("#pages").html("第"+currentPage+"/"+totalPage+"页");
}