JS实现可编辑的表格

2019-11-06 08:27:01

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[javascript] view plain copy [Javascript] view plain copyfrom:<a href="http://apps.hi.baidu.com/share/detail/30648462">http://apps.hi.baidu.com/share/detail/30648462</a> [javascript] view plain copyGridEdit.js [javascript] view plain copy/** * JS实现可编辑的表格 * 用法:EditTables(tb1,tb2,tb2,......); * Create by Senty at 2008-04-12 **/ //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); table.tBodies[0].appendChild(newRow); 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(//.$/, ''); } [html] view plain copy<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="test3.aspx.cs" Inherits="Bee.test3" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <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> </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 type="text/javascript" src="Scripts/GridEdit.js"></script> <script type="text/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>

转载出处：http://blog.csdn.net/easybjy/article/details/7696498

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