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javascript实现可全选、反选及删除表格的方法

网络编程 2021-07-04 21:48www.168986.cn编程入门
这篇文章主要介绍了javascript实现可全选、反选及删除表格的方法,实例展示了javascript针对表格全选、反选、删除、隔行变色、删除提示等常用技巧,非常具有实用价值,需要的朋友可以参考下

本文实例讲述了javascript实现可全选、反选及删除表格的方法。分享给大家供大家参考。具体实现方法如下

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://.w3./TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://.w3./1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>可以全选反选删除的表格</title>
<style type="text/css">
body,table
{
 margin:0;
 padding:0;
 font-size:14px;
}   
table,tr,th,td
{
 border:1px solid #cdc;
}
th
{
 background-color:green;
 width:100px;
}
.oddColor
{
 background-color:#c;
}
.evenColor
{
 background-color:#fcf;
}
.overColor
{
 background-color:#dff;
}
</style>
<script type="text/javascript">
 //定义嵌套数组
 var datas = [["张三", 30, "南昌"], ["李四", 25, "北京"], ["王五", 20, "郑州"],
    ["赵六", 19, "武汉"], ["李莫", 18, "深圳"], ["罗成", 33, "重庆"],
    ["王平", 31, "天津"], ["刘萍", 22, "上海"], ["杨丽", 17, "石家庄"],
    ["郭丽", 30, "广州"]];
 //动态创建表格
 function CreateMyTable() {
  var tblMain = document.getElementById("tblMain");
  var rowsCount = tblMain.rows.length;
  var addRow;
  var addCol;
  var detailInfos;
  for (var i = 0; i < datas.length; i++) {
   addRow = tblMain.insertRow(rowsCount - 1);//控制数据行添加到倒数第二列
   addCol = addRow.insertCell(-1);
   addCol.innerHTML = "<input type='checkbox' name='item' />";
   addCol.align = "center"; //控制列居中
   detailInfos = datas[i];
   for (var j = 0; j < detailInfos.length; j++) {
    addCol = addRow.insertCell(-1);
    addCol.innerHTML = detailInfos[j];
   }
   addCol = addRow.insertCell(-1);
   addCol.innerHTML = "<input type='button' id='btnDel" + i + "' value='删除' onclick='btnDel(this)' />";
   addCol.align = "center"; //控制列居中
   rowsCount++;
  }
  TableColor();
 }
 //设置网格间隔色和高亮显示
 var oldClassName;    //记住行的背景色
 function TableColor() {
  var tblMain = document.getElementById("tblMain");
  var rowNodes = tblMain.rows;
  for (var i = 1; i < rowNodes.length-1; i++) { //除去首行和末行
   if (i % 2 == 0) {
    rowNodes[i].className = "evenColor";
   }
   else {
    rowNodes[i].className = "oddColor";
   }
   rowNodes[i].onmouseover = function () {
    oldClassName = this.className;
    this.className = "overColor";
   }
   rowNodes[i].onmouseout = function () {
    this.className = oldClassName;
   }
  }
 }
 //复选框全选函数
 function checkAll() {
  var currentCheckNode = event.srcElement;
  var checkAllNodes = document.getElementsByName("all");
  //把没有点击的全选复选框去除复选
  for (var i = 0; i < checkAllNodes.length; i++) {
   if (currentCheckNode != checkAllNodes[i]) {
    checkAllNodes[i].checked = false;
   }
  }
  var checkItemNodes = document.getElementsByName("item");
  for (var i = 0; i < checkItemNodes.length; i++) {
   checkItemNodes[i].checked = currentCheckNode.checked;
  }
 }
 //按钮选择函数
 function btnCheckboxSel(index) {
  var checkItemNodes = document.getElementsByName("item");
  for (var i = 0; i < checkItemNodes.length; i++) {
   if (index == 2) {
    checkItemNodes[i].checked = !checkItemNodes[i].checked;
   }
   else {
    checkItemNodes[i].checked = index;
   }
  }
 }
 //每行的删除按钮函数
 function btnDel(btn) {
  var tblMain = document.getElementById("tblMain");
  var delRowNode = btn.parentNode.parentNode;
  var sMsg = "您是否要删除 姓名为:【" + delRowNode.cells[1].innerText + "】,年龄为:【" +
      delRowNode.cells[2].innerText + "】,城市为:【" +
      delRowNode.cells[3].innerText + "】 的数据?";
  if (window.confirm(sMsg)) {
   tblMain.tBodies[0].removeChild(delRowNode);
   TableColor();
  }
 }
 //删除所选项按钮函数
 function btnDelSelectRow() {
  var arrDel = new Array();
  var pos = 0;
  var itemNodes = document.getElementsByName("item");
  for (var i = 0; i < itemNodes.length; i++) {
   if (itemNodes[i].checked) {
    arrDel[pos] = itemNodes[i].parentNode.parentNode;
    pos++;
   }
  }
  if (pos <= 0) {
   return;
  }
  if (!window.confirm("是否要删除选择的数据?"))
   return;
  var tblMain = document.getElementById("tblMain");
  for (var i = 0; i < arrDel.length; i++) {
   tblMain.tBodies[0].removeChild(arrDel[i]);
  }
 }
 window.onload = CreateMyTable;
</script>
</head>
<body>
<table id="tblMain" cellspacing="0" cellpadding="10px" align="center">
 <tbody>
  <tr>
   <th><input type="checkbox" name="all" onclick="checkAll()" />全选</th>
   <th>姓名</th>
   <th>年龄</th>
   <th>城市</th>
   <th>操作</th>
  </tr>
  <tr>
   <th><input type="checkbox" name="all" onclick="checkAll()" />全选</th>
   <th colspan="4">
    <input type="button" value="全选" onclick="btnCheckboxSel(1)" />
    <input type="button" value="全清" onclick="btnCheckboxSel(0)" />
    <input type="button" value="反选" onclick="btnCheckboxSel(2)" />
    <input type="button" value="删除所选项" onclick="btnDelSelectRow()" />
   </th>
  </tr>
 </tbody>  
</table>
</body>
</html>

希望本文所述对大家的javascript程序设计有所帮助。

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