js分页之前端代码实现和请求处理

网络编程 2024/9/24 佚名

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分页之js前端实现和请求处理代码，供大家参考，具体内容如下

index.html

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Document</title>
 <link rel="stylesheet" href="css/public.css" charset='utf-8'>
</head>
<body>
 <div class='box'>
 <h2>
  <span>编号</span>
  <span>姓名</span>
  <span>性别</span>
  <span>分数</span>
 </h2>
 <ul class='con' id='content'>
  <li>
  <span>1</span>
  <span>xxx</span>
  <span>男</span>
  <span>90</span>
  </li>
 </ul>
 <div class='page' id='page'>
  <span>FIRST</span>
  <span>PREV</span>
  <ul class='pageNum' id='pageNum'>
  <li>1</li>
  <li>2</li>
  <li>3</li>
  <li>4</li>
  <li>5</li>
  </ul>
  <span>NEXT</span>
  <span>LAST</span>
  <input type="text" id='numInp' value='1'/>
 </div>
 </div>
 <script src='js/ajax.js'></script>
 <script>
 var pageModule = (function(){
  //获取需要操作的DOM元素
  var content = document.getElementById('content'),
  page = document.getElementById('page'),
  pageNum = document.getElementById('pageNum'),
  numInp = document.getElementById('numInp');

  //设定当前也和总页数及本次请求的数据
  var n = 1,total = 0,data = null;
  //实现页面数据绑定及其他数据的绑定
  function bindHTML(){
  //content bind
  var str = '';
  for(var i = 0;i<data.length;i++){
   var curData = data[i];
   str+='<li studentId="'+curData["id"]+'">';
   str+='<span>'+curData["id"]+'</span>';
   str+='<span>'+curData["name"]+'</span>';
   str+='<span>'+(curData["sex"]==1 "女" : "男")+'</span>';
   str+='<span>'+curData["score"]+'</span>';
   str+='</li>';
  }
  content.innerHTML = str;
  //page bind
  str = '';
  for(i = 1;i<=total;i++){
   if(i===n){
   str+='<li class="bg">'+i+'</li>';
   continue;
   }
   str+='<li>'+i+'</li>';
  }
  pageNum.innerHTML = str;

  //numInp bind
  numInp.value = n;

  }
  //事件委托实现分页区域的按钮操作 给文本框enter键绑定操作
  function bindEvent(){
  page.onclick = function(e){
   e = e || window.event;
   var tar = e.target || e.srcElement
   tarTag = tar.tagName.toUpperCase(),
   tarInn = tar.innerHTML;
   if(tarTag==="SPAN"){
   if(tarInn==="FIRST"){
    if(n===1){
    return;
    }
    n = 1;
   }
   if(tarInn==="LAST"){
    if(n === total){
    return;
    }
    n = total;
   }
   if(tarInn==="PREV"){
    if(n === 1){
    return;
    }
    n--;
   }
   if(tarInn==="NEXT"){
    if(n === total){
    return;
    }
    n++;
   }
   }

   if(tarTag==="LI"){
   if(n === parseFloat(tarInn)){
    return;
   }
   n = parseFloat(tarInn);
   }

   //input
   if(tarTag==="INPUT"){
   return;
   }

   //重新发送请求
   sendAJAX()

  }

  numInp.onkeyup = function(e){
   e = e || window.event;
   if(e.keyCode===13){//enter键
   var val = parseFloat(this.value.replace(/^ +| +$/,''));
   if(isNaN(val)){
    this.value = n;
    return;
   }
   val = Math.round(val)
   if(val<1){
    n = 1;
   }else if(val>total){
    n = total;
   }else{
    n = val;
   }
   sendAJAX();

   }
  }
  }
  //content区域的LI跳转事件
  function bindLink(){
  var oLis = content.getElementsByTagName('li');
  for(var i = 0;i<oLis.length;i++){
   oLis[i].onclick = function(){
   // window.location.href = "detail.html";
   //在跳转的时候还需要把当前点击学员得ID传到详情页面
   window.open("detail.html"+this.getAttribute('studentId'));
   
   }
  }
  }
  function sendAJAX(){
  ajax({
   url:"/getList"+n,
   success:function(jsonData){
   if(jsonData && jsonData.code===0){
    total = jsonData["total"];
    data = jsonData['data'];
    bindHTML();
    bindLink();
   }
   }
  })
  }
  //模块入口
  function init(){
  sendAJAX();
  bindEvent();
  }

  return {
  init:init
  }
 })()

 pageModule.init();
 </script>
</body>
</html>

detail.html

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Document</title>
 <link rel="stylesheet" href="css/public.css" charset='utf-8'>
</head>
<body>
 <ul class='box2' id='box2'>
 <li>
  <span>编号</span>
  <span>4</span>
 </li>
 <li>
  <span>姓名</span>
  <span>xxx</span>
 </li>
 <li>
  <span>性别</span>
  <span>男</span>
 </li>
 <li>
  <span>分数</span>
  <span>99</span>
 </li>
 </ul>
 <script src='js/ajax.js'></script>
 <script>
 String.prototype.queryURLParameter = function(){
  //PARAMETER
  var obj = {},
  reg = /([^"";
  str+="<li><span>编号</span><span>"+data["id"]+"</span></li>";
  str+="<li><span>编号</span><span>"+data["name"]+"</span></li>";
  str+="<li><span>编号</span><span>"+(data["sex"]==1 "男" : "女")+"</span></li>";
  str+="<li><span>编号</span><span>"+data["score"]+"</span></li>";
  oBox.innerHTML = str;
  }

  function init(){
  ajax({
   url:"/getInfo"+urlId,
   success:function(jsonData){
   if(jsonData && jsonData.code===0){
    data = jsonData["data"];
    bindHTML();
   }
   }
  })
  }

  return {
  init:init
  }
 })()
 detailModuel.init();
 </script>
</body>
</html>

最终效果图：

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。

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