本文实例为大家分享了js+Html实现表格可编辑操作的具体代码，供大家参考，具体内容如下
功能描述：单击页面使单元格td变成可编辑状态，输入内容后，当单元格失去焦点时，保存输入的内容。
点击增加行，在table的末尾增加一行；点击删除行，删除table中最末尾的一行。
< html >
< head >
< meta http-equiv = "Content-Type" content = "text/html; charset=UTF-8" />
< title >编辑表格数据</ title >
< style type = "text/css" >
<!--
body,div,p,ul,li,font,span,td,th{
font-size:10pt;
line-height:155%;
}
table{
border-top-width: 1px;
border-right-width: 1px;
border-bottom-width: 0px;
border-left-width: 1px;
border-top-style: solid;
border-right-style: solid;
border-bottom-style: none;
border-left-style: solid;
border-top-color: #CCCCCC;
border-right-color: #CCCCCC;
border-bottom-color: #CCCCCC;
border-left-color: #CCCCCC;
}
td{
border-bottom-width: 1px;
border-bottom-style: solid;
border-bottom-color: #CCCCCC;
}
.EditCell_TextBox {
width: 90%;
border:1px solid #0099CC;
}
.EditCell_DropDownList {
width: 90%;
}
-->
</ style >
< script >
/**
* JS实现可编辑的表格
* 用法:EditTables(tb1,tb2,tb2,......);
**/
//设置多个表格可编辑
function EditTables(){
for(var i=0;i< arguments.length ;i++){
SetTableCanEdit(arguments[i]);
}
}
//设置表格是可编辑的
function SetTableCanEdit(table){
for(var i = 1 ; i<table.rows.length;i++){
SetRowCanEdit(table.rows[i]);
}
}
function SetRowCanEdit(row){
for(var j = 0 ;j<row.cells.length; j++){
//如果当前单元格指定了编辑类型，则表示允许编辑
var editType = row .cells[j].getAttribute("EditType");
if(!editType){
//如果当前单元格没有指定，则查看当前列是否指定
editType = row .parentNode.rows[0].cells[j].getAttribute("EditType");
}
if(editType){
row.cells[j] .onclick = function (){
EditCell(this);
}
}
}
}
//设置指定单元格可编辑
function EditCell(element, editType){
var editType = element .getAttribute("EditType");
if(!editType){
//如果当前单元格没有指定，则查看当前列是否指定
editType = element .parentNode.parentNode.rows[0].cells[element.cellIndex].getAttribute("EditType");
}
switch(editType){
case "TextBox":
CreateTextBox(element, element.innerHTML);
break;
case "DropDownList":
CreateDropDownList(element);
break;
default:
break;
}
}
//为单元格创建可编辑输入框
function CreateTextBox(element, value){
//检查编辑状态，如果已经是编辑状态，跳过
var editState = element .getAttribute("EditState");
if(editState != "true"){
//创建文本框
var textBox = document .createElement("INPUT");
textBox.type = "text" ;
textBox.className = "EditCell_TextBox" ;
//设置文本框当前值
if(!value){
value = element .getAttribute("Value");
}
textBox.value = value;
//设置文本框的失去焦点事件
textBox.onblur = function (){
CancelEditCell(this.parentNode, this.value);
}
//向当前单元格添加文本框
ClearChild(element);
element.appendChild(textBox);
textBox.focus();
textBox.select();
//改变状态变量
element.setAttribute("EditState", "true");
element.parentNode.parentNode.setAttribute("CurrentRow", element.parentNode.rowIndex);
}
}
//为单元格创建选择框
function CreateDropDownList(element, value){
//检查编辑状态，如果已经是编辑状态，跳过
var editState = element .getAttribute("EditState");
if(editState != "true"){
//创建下接框
var downList = document .createElement("Select");
downList.className = "EditCell_DropDownList" ;
//添加列表项
var items = element .getAttribute("DataItems");
if(!items){
items = element .parentNode.parentNode.rows[0].cells[element.cellIndex].getAttribute("DataItems");
}
if(items){
items = eval ("[" + items + "]");
for(var i = 0 ; i<items.length; i++){
var oOption = document .createElement("OPTION");
oOption.text = items [i].text;
oOption.value = items [i].value;
downList.options.add(oOption);
}
}
//设置列表当前值
if(!value){
value = element .getAttribute("Value");
}
downList.value = value;
//设置创建下接框的失去焦点事件
downList.onblur = function (){
CancelEditCell(this.parentNode, this.value, this.options[this.selectedIndex].text);
}
//向当前单元格添加创建下接框
ClearChild(element);
element.appendChild(downList);
downList.focus();
//记录状态的改变
element.setAttribute("EditState", "true");
element.parentNode.parentNode.setAttribute("LastEditRow", element.parentNode.rowIndex);
}
}
//取消单元格编辑状态
function CancelEditCell(element, value, text){
element.setAttribute("Value", value);
if(text){
element.innerHTML = text ;
}else{
element.innerHTML = value ;
}
element.setAttribute("EditState", "false");
//检查是否有公式计算
CheckExpression(element.parentNode);
}
//清空指定对象的所有字节点
function ClearChild(element){
element.innerHTML = "" ;
}
//添加行
function AddRow(table, index){
var lastRow = table .rows[table.rows.length-1];
var newRow = lastRow .cloneNode(true);
//计算新增加行的序号，需要引入jquery 的jar包
var startIndex = $.inArray(lastRow,table.rows);
var endIndex = table .rows;
table.tBodies[0].appendChild(newRow);
newRow.cells[0] .innerHTML = endIndex -startIndex;
SetRowCanEdit(newRow);
return newRow;
}
//删除行
function DeleteRow(table, index){
for(var i = table .rows.length - 1; i>0;i--){
var chkOrder = table.rows[i].cells[0].firstChild;
if(chkOrder){
if(chkOrder.type = "CHECKBOX"){
if(chkOrder.checked){
//执行删除
table.deleteRow(i);
}
}
}
}
}
//提取表格的值,JSON格式
function GetTableData(table){
var tableData = new Array();
alert("行数：" + table.rows.length);
for(var i=1; i< table.rows.length ;i++){
tableData.push(GetRowData(tabProduct.rows[i]));
}
return tableData;
}
//提取指定行的数据，JSON格式
function GetRowData(row){
var rowData = {};
for(var j = 0 ;j<row.cells.length; j++){
name = row .parentNode.rows[0].cells[j].getAttribute("Name");
if(name){
var value = row .cells[j].getAttribute("Value");
if(!value){
value = row .cells[j].innerHTML;
}
rowData[name] = value;
}
}
//alert("ProductName:" + rowData.ProductName);
//或者这样：alert("ProductName:" + rowData["ProductName"]);
return rowData;
}
//检查当前数据行中需要运行的字段
function CheckExpression(row){
for(var j = 0 ;j<row.cells.length; j++){
expn = row .parentNode.rows[0].cells[j].getAttribute("Expression");
//如指定了公式则要求计算
if(expn){
var result = Expression (row,expn);
var format = row .parentNode.rows[0].cells[j].getAttribute("Format");
if(format){
//如指定了格式，进行字值格式化
row.cells[j] .innerHTML = formatNumber (Expression(row,expn), format);
}else{
row.cells[j] .innerHTML = Expression (row,expn);
}
}
}
}
//计算需要运算的字段
function Expression(row, expn){
var rowData = GetRowData (row);
//循环代值计算
for(var j = 0 ;j<row.cells.length; j++){
name = row .parentNode.rows[0].cells[j].getAttribute("Name");
if(name){
var reg = new RegExp(name, "i");
expn = expn.replace(reg, rowData[name].replace(/\,/g, ""));
}
}
return eval(expn);
}
///
/**
* 格式化数字显示方式
* 用法
* formatNumber(12345.999,'#,##0.00');
* formatNumber(12345.999,'#,##0.##');
* formatNumber(123,'000000');
* @param num
* @param pattern
*/
/* 以下是范例
formatNumber('','')=0
formatNumber(123456789012.129,null)=123456789012
formatNumber(null,null)=0
formatNumber(123456789012.129,'#,##0.00')=123,456,789,012.12
formatNumber(123456789012.129,'#,##0.##')=123,456,789,012.12
formatNumber(123456789012.129,'#0.00')=123,456,789,012.12
formatNumber(123456789012.129,'#0.##')=123,456,789,012.12
formatNumber(12.129,'0.00')=12.12
formatNumber(12.129,'0.##')=12.12
formatNumber(12,'00000')=00012
formatNumber(12,'#.##')=12
formatNumber(12,'#.00')=12.00
formatNumber(0,'#.##')=0
*/
function formatNumber(num,pattern){
var strarr = num ?num.toString().split('.'):['0'];
var fmtarr = pattern ?pattern.split('.'):[''];
var retstr = '' ;
// 整数部分
var str = strarr [0];
var fmt = fmtarr [0];
var i = str .length-1;
var comma = false ;
for(var f = fmt .length-1;f>=0;f--){
switch(fmt.substr(f,1)){
case '#':
if(i>=0 ) retstr = str.substr(i--,1) + retstr;
break;
case '0':
if(i>=0) retstr = str.substr(i--,1) + retstr;
else retstr = '0' + retstr;
break;
case ',':
comma = true;
retstr=','+retstr;
break;
}
}
if(i>=0){
if(comma){
var l = str.length;
for(;i>=0;i--){
retstr = str.substr(i,1) + retstr;
if(i>0 && ((l-i)%3)==0) retstr = ',' + retstr;
}
}
else retstr = str.substr(0,i+1) + retstr;
}
retstr = retstr+'.';
// 处理小数部分
str=strarr.length>1?strarr[1]:'';
fmt=fmtarr.length>1?fmtarr[1]:'';
i=0;
for(var f=0;f< fmt.length ;f++){
switch(fmt.substr(f,1)){
case '#':
if(i<str.length) retstr+=str.substr(i++,1);
break;
case '0':
if(i<str.length) retstr+= str.substr(i++,1);
else retstr+='0';
break;
}
}
return retstr.replace(/^,+/,'').replace(/\.$/,'');
}
</script>
</ head >
< body >
< form id = "form1" name = "form1" method = "post" action = "" >
< h3 >可编辑的表格</ h3 >
< table width = "698" border = "0" cellpadding = "0" cellspacing = "0" id = "tabProduct" >
< tr >
< td width = "32" align = "center" bgcolor = "#EFEFEF" Name = "Num" >< input type = "checkbox" name = "checkbox" value = "checkbox" /></ td >
< td width = "186" bgcolor = "#EFEFEF" Name = "Num" EditType = "TextBox" >序号</ td >
< td width = "152" bgcolor = "#EFEFEF" Name = "ProductName" EditType = "DropDownList" DataItems = "{text:'A',value:'a'},{text:'B',value:'b'},{text:'C',value:'c'},{text:'D',value:'d'}" >商品名称</ td >
< td width = "103" bgcolor = "#EFEFEF" Name = "Amount" EditType = "TextBox" >数量</ td >
< td width = "103" bgcolor = "#EFEFEF" Name = "Price" EditType = "TextBox" >单价</ td >
< td width = "120" bgcolor = "#EFEFEF" Name = "SumMoney" Expression = "Amount*Price" Format = "#,###.00" >合计</ td >
</ tr >
< tr >
< td align = "center" bgcolor = "#FFFFFF" >< input type = "checkbox" name = "checkbox2" value = "checkbox" /></ td >
< td bgcolor = "#FFFFFF" >1</ td >
< td bgcolor = "#FFFFFF" Value = "c" >C</ td >
< td bgcolor = "#FFFFFF" >0</ td >
< td bgcolor = "#FFFFFF" >0</ td >
< td bgcolor = "#FFFFFF" >0</ td >
</ tr >
< tr >
< td align = "center" bgcolor = "#FFFFFF" >< input type = "checkbox" name = "checkbox22" value = "checkbox" /></ td >
< td bgcolor = "#FFFFFF" >2</ td >
< td bgcolor = "#FFFFFF" Value = "d" >D</ td >
< td bgcolor = "#FFFFFF" >0</ td >
< td bgcolor = "#FFFFFF" >0</ td >
< td bgcolor = "#FFFFFF" >0</ td >
</ tr >
</ table >
< br />
< input type = "button" name = "Submit" value = "新增" onclick = "AddRow(document.getElementById('tabProduct'),1)" />
< input type = "button" name = "Submit2" value = "删除" onclick = "DeleteRow(document.getElementById('tabProduct'),1)" />
< input type = "button" name = "Submit22" value = "重置" onclick = "window.location.reload()" />
< input type = "submit" name = "Submit3" value = "提交" onclick = "GetTableData(document.getElementById('tabProduct'));return false;" />
</ form >
< script language = "javascript" src = "GridEdit.js" ></ script >
< script language = "javascript" >
var tabProduct = document.getElementById("tabProduct");
// 设置表格可编辑
// 可一次设置多个，例如：EditTables(tb1,tb2,tb2,......)
EditTables(tabProduct);
</ script >
</ body >
</ html >
效果如下：
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服务器之家。
原文链接：https://blog.csdn.net/qqliang1314/article/details/41850919
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