使用原生js實現(xiàn)分頁效果

發(fā)布時間：2020-10-30 19:28:37 來源：億速云閱讀：228 作者：Leah 欄目：開發(fā)技術(shù)

使用原生js實現(xiàn)分頁效果？針對這個問題，這篇文章詳細(xì)介紹了相對應(yīng)的分析和解答，希望可以幫助更多想解決這個問題的小伙伴找到更簡單易行的方法。

本文實例為大家分享了js實現(xiàn)分頁效果的具體代碼，供大家參考，具體內(nèi)容如下

效果如下：

使用原生js實現(xiàn)分頁效果

代碼：

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <meta http-equiv="X-UA-Compatible" content="ie=edge">
 <title>Document</title>
 <style type="text/css">
 
 </style>
</head>
<body>
 <div id="page-nation"></div>
 <script src="./page.js"></script>
 <script> 
 //分頁調(diào)用方法 
 const Api=new pageNation({ 
  el:"#page-nation",//分頁器位置 
  page:1,//當(dāng)前頁 
  size:5,//默認(rèn)5,10,15,20 
  total:100,//數(shù)據(jù)總條數(shù) 
  styUrl:
  './page.css',//樣式地址（可修改） 
    IsShowBtn: {//設(shè)置需要顯示的按鈕
     choosePageSize: true,//是否顯示下拉選項
     IsShowPrevOrNextBtn: true,//是否顯示上一頁下一頁按鈕
     IsShowEnterBtn: true,//是否顯示跳轉(zhuǎn)輸入
     IsShowTotalPage:true,//是否顯示總頁數(shù)
    },
  callback:function(page,size,total){ 
   console.log(page,size,total); 
   //此處為ajax請求 
  } 
 }); 
</script> 
</body>
</html>

page.js

var pageNation;
pageNation = (function () {
 function extend(target, source) {
  for (var obj in source) {
   target[obj] = source[obj];
  }
  return target;
 }
 function pageNation(options) {
  var defaultOptions = {
   el: "body",//分頁父容器 
   page: 1,
   size: 10,
   total: 0,
   styUrl: 'style.css',
   callback: null,
   IsShowBtn: {//設(shè)置需要顯示的按鈕
    choosePageSize: true,//是否顯示下拉選項
    IsShowPrevOrNextBtn: true,//否顯示上一頁下一頁按鈕
    IsShowEnterBtn: true,//是否顯示跳轉(zhuǎn)輸入
    IsShowTotalPage:true,//是否顯示總頁數(shù)
   }
  };
  this.options = extend(defaultOptions, options) || {};
  this.options.el = document.querySelectorAll(this.options.el)[0];
  this.pageT = Math.ceil(this.options.total / this.options.size);
  this.init();
  if (!document.querySelector("#dynamic-style")) {
   this.pageStyle();
  }
  //this.options.callback(1,self.options.size,self.options.total); 
 }

 var proto = pageNation.prototype || {};
 proto.rander = function (page, size, total) {
  this.options.page = !!page &#63; page : 1;
  this.options.size = !!size &#63; size : 10;
  this.options.total = !!total &#63; total : 0;// 
  this.pageT = Math.ceil(this.options.total / this.options.size);
  this.init();
  this.page_nation = null;
 };
 proto.init = function () {
  var self = this;
  var pageNum = function (page) {//創(chuàng)建分頁器 
   return (function () {
    let ol = document.createElement("ol");
    ol.classList.add("page-ol");
    let p = !!page &#63; page : 1;
    let tPage = Math.ceil(self.options.total / self.options.size);
    let s = p <= 3 &#63; 1 : p > (tPage - 3) &#63; tPage - 4 : p - 2;
  s=s==0&#63;1:s;
    for (let i = s; i < (s + 5); i++) {
     if (i > tPage) {
      break;
     }
     let li = document.createElement("li");
     li.innerText = i;
     if (i == p) {
      li.classList.add("hover");
     }
     ol.appendChild(li);
    }
    return ol;
   })(page);
  };
  var sizeNum = function (size) {//重置size 
   return (function () {
    let select = document.createElement("select");
    select.setAttribute("class", "page-Select");
    let s = !!size &#63; size : 10;
    //let tPage=Math.ceil(self.options.total/self.options.size); 
    for (let i = 5; i <= (5 * 4); i += 5) {
     let option = document.createElement("option");
     option.value = i;
     option.innerText = i;
     if (i === self.options.size) {
      option.setAttribute("selected", "selected");
     }
     select.appendChild(option);
    }
    return select;
   })(size);
  };
  var prevBtn = function () {//上一頁按鈕 
   return (function () {
    let button = document.createElement("span");
    button.setAttribute("class", "prev-btn");
    button.innerText = "上一頁";
    if (self.options.page == 1) {
     button.classList.add("disabled")
    };
    return button;
   })();
  };
  var nextBtn = function () {//下一頁按鈕 
   return (function () {
    let button = document.createElement("span");
    button.setAttribute("class", "next-btn");
    button.innerText = "下一頁";
    if (self.options.page == self.pageT) {
     button.classList.add("disabled")
    }
    ;
    return button;
   })();
  };
  var pageMark = function () {//頁碼標(biāo)識 
   return (function () {
    let span = document.createElement("span");
    span.setAttribute("class", "pageMark");
    span.innerHTML = "<strong>" + self.options.page + "</strong> / <strong>" + Math.ceil(self.options.total / self.options.size) + "</strong>";
    return span;
   })();
  };
  var enterBtn = function () {//跳轉(zhuǎn)按鈕 
   return (function () {
    let button = document.createElement("span");
    button.setAttribute("class", "enter-btn");
    let ipt = document.createElement("input");
    ipt.value = self.options.page;
    ipt.setAttribute("type", "text");

    let b = document.createElement("span");
    b.setAttribute("class", "enterBtn");
    b.innerText = "跳轉(zhuǎn)";

    button.appendChild(ipt);
    button.appendChild(b);

    return button;
   })();
  };
  let page_nation = self.options.el.querySelector(".page-nation");
  if (page_nation != null && page_nation != "undefind") {
   page_nation.innerHTML = "";
  }
  else {
   page_nation = document.createElement("div");
   page_nation.classList.add("page-nation");
   self.options.el.appendChild(page_nation);
  }
  page_nation.appendChild(new pageNum(self.options.page));
  self.options.IsShowBtn.choosePageSize&&page_nation.appendChild(new sizeNum(self.options.size));
  self.options.IsShowBtn.IsShowPrevOrNextBtn&&page_nation.appendChild(new prevBtn());
  self.options.IsShowBtn.IsShowPrevOrNextBtn&&page_nation.appendChild(new nextBtn());
  page_nation.appendChild(new pageMark());
  self.options.IsShowBtn.IsShowEnterBtn&&page_nation.appendChild(new enterBtn());

  self.page_nation = document.querySelector(".page-nation");

  this.switchPage(self.options.callback);
  this.switchSize(self.options.callback);
  return self;
 };
 proto.pageStyle = function () {
  let headDoc = document.querySelector("head");
  var linkTag = document.createElement("link");
  var cssURL = this.options.styUrl;
  linkTag.id = 'dynamic-style';
  linkTag.href = cssURL;
  linkTag.setAttribute('rel', 'stylesheet');
  linkTag.setAttribute('media', 'all');
  linkTag.setAttribute('type', 'text/css');
  headDoc.appendChild(linkTag);
 };
 proto.switchPage = function (fun) {
  let self = this;
  let lis = this.page_nation.children[0].children;
  for (let i = 0, len = lis.length; i < len; i++) {
   lis[i].onclick = function () {
    self.options.page = this.innerText;
    self.rander(self.options.page, self.options.size, self.options.total);
   };
  }
  this.options.el.querySelectorAll(".prev-btn")[0].onclick = function (e) {
   //console.time("rr"); 
   self.options.page = --self.options.page;
   self.rander(self.options.page, self.options.size, self.options.total);
   //console.timeEnd("rr"); 
  };
  this.options.el.querySelectorAll(".next-btn")[0].onclick = function (e) {
   self.options.page = ++self.options.page;
   self.rander(self.options.page, self.options.size, self.options.total);
  };
  this.options.el.querySelectorAll(".enterBtn")[0].onclick = function (e) {
   let val = this.previousElementSibling.value;
   if (!val || val > self.pageT || val < 1) {
    alert("參數(shù)超出范圍！");
    return false;
   } else {
    self.options.page = val;
    self.rander(self.options.page, self.options.size, self.options.total);
   }
  };
  fun(self.options.page, self.options.size, self.options.total);
 };
 proto.switchSize = function (fun) {
  let self = this;
  let lis = this.page_nation.children[1];
  lis.onchange = function () {
   self.options.size = Number(this.value);
   self.rander(1, self.options.size, self.options.total);
   fun(1, self.options.size, self.options.total);
  }
 };
 return pageNation;
})();

關(guān)于使用原生js實現(xiàn)分頁效果問題的解答就分享到這里了，希望以上內(nèi)容可以對大家有一定的幫助，如果你還有很多疑惑沒有解開，可以關(guān)注億速云行業(yè)資訊頻道了解更多相關(guān)知識。

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