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How to implement all-select, invert-select and delete tables using javascript_javascript skills

WBOY
WBOYOriginal
2016-05-16 15:58:501126browse

The example in this article describes the method of implementing javascript to select all, invert the selection and delete the table. Share it with everyone for your reference. The specific implementation method is as follows: 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/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:#ccc;
}
.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&#63;";
  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&#63;"))
   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>

I hope this article will be helpful to everyone’s JavaScript programming design.

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