用js实现table单元格高宽调整,兼容合并单元格(兼容IE6、7、8、FF)实例


Posted in Javascript onJune 25, 2013

先上效果图:

用js实现table单元格高宽调整,兼容合并单元格(兼容IE6、7、8、FF)实例

CSS:

body{margin:0px;padding:0px;-moz-user-select:none;cursor:default;}
.tabEditDiv{position:absolute;width:15px;height:15px;cursor:pointer;}
.seltab{position:absolute;width:15px;height:15px;cursor:pointer;background:url(images/seltab.gif) no-repeat;}
.splitx{overflow:hidden;position:absolute;height:3px;cursor:row-resize;background:red !important;filter:Alpha(opacity=10);-moz-opacity:0.1;opacity: 0.1; }
.splity{overflow:hidden;position:absolute;width:3px;cursor:col-resize;background:red !important;filter:Alpha(opacity=10);-moz-opacity:0.1;opacity: 0.1;}
#tabletitle{font-weight:bold;font-size:18px;height:30px;width:800px;margin:0 auto;text-align:center;font-family:宋体;line-height:30px;}
#tabletitle input{width:100%;border:0px;height:28px;line-height:30px;text-align:center;font-weight:bold;font-size:18px;font-family:宋体;}
.finelinetable{border-right:1px solid #000;border-top:1px solid #000;border-collapse:collapse;font-size:13px;width:800px;margin:0 auto;}
.finelinetable td{border-left:1px solid #000;border-bottom:1px solid #000;height:25px;}

HTML:

<body>
     <div id="tabletitle">表格标题</div>
     <table id="mainTable" class="finelinetable">
         <tr>
             <td colspan="8">1</td>
         </tr>
         <tr>
             <td rowspan="3">2</td>
             <td>3</td>
             <td colspan="3">4</td>
             <td>5</td>
             <td>6</td>
             <td>7</td>
         </tr>
         <tr>
             <td>8</td>
             <td>9</td>
             <td>10</td>
             <td colspan="2">11</td>
             <td>12</td>
             <td>13</td>
         </tr>
         <tr>
             <td>14</td>
             <td colspan="3">15</td>
             <td>16</td>
             <td>17</td>
             <td>18</td>
         </tr>
         <tr>
             <td colspan="8"> </td>
         </tr>
         <tr>
             <td rowspan="3"> </td>
             <td> </td>
             <td colspan="2"> </td>
             <td> </td>
             <td colspan="3"> </td>
         </tr>
         <tr>
             <td> </td>
             <td colspan="2"> </td>
             <td> </td>
             <td colspan="3"> </td>
         </tr>
         <tr>
             <td style="height: 25px"> </td>
             <td colspan="2" style="height: 25px"> </td>
             <td style="height: 25px"> </td>
             <td colspan="3" style="height: 25px"> </td>
         </tr>
         <tr>
             <td> </td>
             <td colspan="7"> </td>
         </tr>
         <tr>
             <td colspan="2"> </td>
             <td colspan="6"> </td>
         </tr>
         <tr>
             <td colspan="2"> </td>
             <td colspan="6"> </td>
         </tr>
         <tr>
             <td colspan="2"> </td>
             <td colspan="6"> </td>
         </tr>
     </table>
 </body>

JS:

//注释:获取对象.示例:$("objectId") 等同于 document.getElementById("objectId")
 if (typeof $ != "function") { var $ = function (ids) { return document.getElementById(ids) }; }
 //注释:获取坐标,parentNode最后节点.示例:absPos(object).x
 function absPos(_node, parentNode) { var x = y = 0; var node = _node; do { if (parentNode && node == parentNode) { break; } x += node.offsetLeft; y += node.offsetTop; } while (node = node.offsetParent); node = _node; return { 'x': x, 'y': y }; }
 function addEvent(object, event, func) { if (object.addEventListener) { /* W3C方法(DOM方法)下面语句中的false意思是用于冒泡阶段,若是true则是用于捕获阶段(IE不支持捕获),所以这里用false是一方面的原因是为了统一 */object.addEventListener(event, func, false); return true; } else if (object.attachEvent) { /* MSIE方法(IE方法) */object['e' + event + func] = func; object[event + func] = function () { object['e' + event + func](window.event); }; object.attachEvent('on' + event, object[event + func]); return true; } /*如两种方法都不具备则返回false */return false; }
 //注释:判断是否是对象内子节点触发的onmouseover和onmouseout.示例:e = e || event;if (isMouseLeaveOrEnter(e, obj)) {}
 function isMouseLeaveOrEnter(e, handler) { if (e.type != 'mouseout' && e.type != 'mouseover') return false; var reltg = e.relatedTarget ? e.relatedTarget : e.type == 'mouseout' ? e.toElement : e.fromElement; while (reltg && reltg != handler) reltg = reltg.parentNode; return (reltg != handler); } var table = $("mainTable");
 var tabEditDiv; //覆盖在table上的DIV
 var cellHide = [];//补充的rowspan,cellspan的格子
 var moveMode = "";//鼠标移动模式
 var moveArgs = []; //移动模式参数
 document.onselectstart = function(){return false;};
 addEvent(window,"resize",function(){loadTable();});
 $("tabletitle").ondblclick = function(){
     if(this.getElementsByTagName("input").length > 0){return;}
     this.innerHTML = "<input type='text' value='" + (this.innerHTML == "表格标题" ? "" : this.innerHTML) + "' />";
     var input = this.getElementsByTagName("input")[0];
     var _this = this;
     input.focus();
     input.onblur = function(){_this.innerHTML = this.value;}
     input.onkeydown = function (e) { var key = window.event ? window.event.keyCode : e.which; if (key == 13) this.blur(); };
 }
 function loadTable(){
     var tabPos = absPos(table);
     if(!tabEditDiv){
         tabEditDiv = document.createElement("div");
         document.body.appendChild(tabEditDiv);
     }
     tabEditDiv.style.cssText = "left:" + (tabPos.x - 15) + "px;top:" + (tabPos.y - 15) + "px;";
     tabEditDiv.className = "tabEditDiv";
     //全选Table按钮
     if(!seltab){
         var seltab = document.createElement("div"); 
         seltab.style.cssText = "width:15px;height:15px;left:" + (tabPos.x - 15) + "px;top:" + (tabPos.y - 15) + "px;";
         seltab.className = "seltab";
         seltab.onclick = function(){
             if(table.getAttribute("selected") == "1"){
                 table.removeAttribute("selected");
                 table.style.background = "";
                 this.style.width = "15px";
                 this.style.height = "15px";
             }else{
                 table.setAttribute("selected","1");
                 table.style.background = "#B6CAEB";
                 this.style.width = (table.clientWidth + 15) + "px";
                 this.style.height = (table.clientHeight + 15) + "px";
             }
         }
         document.body.appendChild(seltab);
     }
     loadTableEdit();
 } loadTable();
 function loadTableEdit(){ //加载可调整宽度及高度的div
     var tabPos = absPos(table);
     tabEditDiv.innerHTML = "";
     var cellcount = 0;
     var isadd = cellHide.length == 0;
     for(var i=0;i<table.rows.length;i++){
         for(var j=0;j<table.rows[i].cells.length;j++){
             var pos = absPos(table.rows[i].cells[j],table);
             if(!$("splitx_" + (pos.y + table.rows[i].cells[j].clientHeight))){ //加载可调整高度的div
                 var split = document.createElement("div");
                 split.id = "splitx_" + (pos.y + table.rows[i].cells[j].clientHeight);
                 split.className = "splitx";
                 split.style.cssText = "width:" + table.clientWidth + "px;left:15px;top:" + (pos.y + table.rows[i].cells[j].clientHeight - 1 + 15) + "px";
                 split.onmousedown = function(){
                     var index = this.getAttribute("index");
                     if(index == null){ index = 0; var divs = tabEditDiv.getElementsByTagName("div"); var left = parseInt(this.id.split("_")[1]); for(var k=0;k<divs.length;k++){ if(divs[k].id.indexOf("splitx_") < 0) continue; if(parseInt(divs[k].id.split("_")[1]) < left) index++; } this.setAttribute("index",index);}else{index = parseInt(index);}
                     moveMode = "cellHeight";
                     moveArgs[moveArgs.length] = index;
                 }
                 tabEditDiv.appendChild(split);
             }
             if(j > 0){ //加载可调整宽度的div
                 if(!$("splity_" + pos.x)){
                     var split = document.createElement("div");
                     split.id = "splity_" + pos.x;
                     split.className = "splity";
                     split.style.cssText = "height:" + table.clientHeight + "px;top:15px;left:" + (pos.x - 2 + 15) + "px";
                     split.onmousedown = function(){
                         var index = this.getAttribute("index");
                         if(index == null){ index = 0; var divs = tabEditDiv.getElementsByTagName("div"); var left = parseInt(this.id.split("_")[1]); for(var k=0;k<divs.length;k++){ if(divs[k].id.indexOf("splity_") < 0) continue; if(parseInt(divs[k].id.split("_")[1]) < left) index++; } this.setAttribute("index",index);}else{index = parseInt(index);}
                         moveMode = "cellWidth";
                         moveArgs[moveArgs.length] = index;
                     }
                     tabEditDiv.appendChild(split);
                 }
             }
             if(isadd){
                 loadHide();
             }
             table.rows[i].cells[j].onmousedown = function(){
                 //alert("x");
             }
         }
     }
 }
 function loadHide(){
     cellHide = [];
     var tempHide = [];
     for(var i=0;i<table.rows.length;i++){
         for(var j=0;j<table.rows[i].cells.length;j++){
             for(var k=1;k<table.rows[i].cells[j].rowSpan;k++){
                 cellHide[cellHide.length] = [i+k,j];
                 tempHide[tempHide.length] = [i+k,j];
             }
         }
     }
     for(var i=0;i<table.rows.length;i++){
         for(var j=0;j<table.rows[i].cells.length;j++){
             for(var k=1;k<table.rows[i].cells[j].colSpan;k++){
                 var yc = 0;
                 for(var l=0;l<tempHide.length;l++){
                     if(tempHide[l][0]==i&&tempHide[l][1]<j){yc++;}
                 }
                 for(var l=0;l<j;l++){
                     if(table.rows[i].cells[l].colSpan > 1){yc+=table.rows[i].cells[l].colSpan-1;}
                 }
                 cellHide[cellHide.length] = [i,j+k+yc];
             }
         }
     }
 }
 addEvent(document,"mousemove",function(e){
     e = e || window.event;
     if(moveMode == "cellWidth"){ //调整宽度
         var temp = moveArgs[0];
         var test = "";
         for(var i=0;i<table.rows.length;i++){
             var index = temp;
             for(var j=0;j<cellHide.length;j++){
                 if(i==cellHide[j][0] && temp>=cellHide[j][1]){index--;}
             }
             if(!table.rows[i].cells[index] || index < 0 || table.rows[i].cells[index].colSpan > 1){continue;}
             if(e.clientX > absPos(table.rows[i].cells[index]).x)
                 table.rows[i].cells[index].style.width = e.clientX - absPos(table.rows[i].cells[index]).x + "px";
         }
         loadTableEdit();
     }else if(moveMode == "cellHeight"){ //调整高度
         var index = moveArgs[0];
         for(var i=0;i<table.rows[index].cells.length;i++){
             if(table.rows[index].cells[i].rowSpan > 1){continue;}
             if(e.clientY > absPos(table.rows[index].cells[i]).y)
                 table.rows[index].cells[i].style.height = e.clientY - absPos(table.rows[index].cells[i]).y + "px";
         }
         loadTableEdit();
     }
 });
 addEvent(document,"mouseup",function(e){
     moveMode = ""; moveArgs = [];
 });
 addEvent(document,"mouseout",function(e){
     e = e || event;
     if (!isMouseLeaveOrEnter(e, this)) { return; }
     moveMode = ""; moveArgs = [];
 });
Javascript 相关文章推荐
List the Codec Files on a Computer
Jun 11 Javascript
解决jQuery插件tipswindown与hintbox冲突
Nov 05 Javascript
超简单JS二级、多级联动的简单实例
Feb 18 Javascript
JavaScript实现随机替换图片的方法
Apr 16 Javascript
jquery+css实现动感的图片切换效果
Nov 25 Javascript
JavaScript截取、切割字符串的技巧
Jan 07 Javascript
jQuery获取radio选中项的值实例
Jun 18 Javascript
jquery图片预览插件实现方法详解
Jul 18 jQuery
分享Angular http interceptors 拦截器使用(推荐)
Nov 10 Javascript
JavaScript实现密码强度实时验证
Mar 18 Javascript
vue 实现动态路由的方法
Jul 06 Javascript
Vue项目如何引入bootstrap、elementUI、echarts
Nov 26 Vue.js
javascript实现div的显示和隐藏的小例子
Jun 25 #Javascript
js中复制行和删除行的操作实例
Jun 25 #Javascript
JQuery+DIV自定义滚动条样式的具体实现
Jun 25 #Javascript
js循环改变div颜色具体方法
Jun 25 #Javascript
js点击更换背景颜色或图片的实例代码
Jun 25 #Javascript
js操作iframe的一些方法介绍
Jun 25 #Javascript
动态获取复选框checkbox选中个数的jquery代码
Jun 25 #Javascript
You might like
谈谈PHP语法(3)
2006/10/09 PHP
什么情况下可以不写PHP的闭合标签“?&gt;”
2014/08/28 PHP
php实现的日历程序
2015/06/18 PHP
this[] 指的是什么内容 讨论
2007/03/24 Javascript
Prototype源码浅析 Enumerable部分(二)
2012/01/18 Javascript
js 手机号码合法性验证代码集合
2012/09/29 Javascript
JS小功能(checkbox实现全选和全取消)实例代码
2013/11/28 Javascript
JS+CSS实现仿触屏手机拨号盘界面及功能模拟完整实例
2015/05/16 Javascript
node.js下LDAP查询实例分享
2015/09/30 Javascript
详解javascript中原始数据类型Null和Undefined
2015/12/17 Javascript
实现高性能JavaScript之执行与加载
2016/01/30 Javascript
ReactNative之FlatList的具体使用方法
2017/11/29 Javascript
完美解决axios在ie下的兼容性问题
2018/03/05 Javascript
layer弹出层父子页面事件相互调用方法
2018/08/17 Javascript
React事件处理的机制及原理
2018/12/03 Javascript
jQuery Migrate 插件用法实例详解
2019/05/22 jQuery
Vue 子组件与数据传递问题及注意事项
2019/07/11 Javascript
Python with的用法
2014/08/22 Python
Python切片知识解析
2016/03/06 Python
深入解答关于Python的11道基本面试题
2017/04/01 Python
python email smtplib模块发送邮件代码实例
2018/04/26 Python
pymysql模块使用简介与示例
2020/11/17 Python
Yves Rocher伊夫·黎雪美国官网:法国始创植物美肌1959
2019/01/09 全球购物
DC Shoes澳大利亚官方网上商店:购买DC鞋子
2019/10/25 全球购物
小米乌克兰网上商店:Xiaomi.UA
2019/10/29 全球购物
电大学习个人自我评价范文
2013/10/04 职场文书
办公室副主任岗位职责
2013/11/25 职场文书
精神文明单位申报材料
2014/05/02 职场文书
项目工作说明书
2014/07/29 职场文书
民族学专业大学生职业规划范文:清晰未来的构想
2014/09/20 职场文书
体育运动会广播稿
2014/10/05 职场文书
二年级语文下册复习计划
2015/01/19 职场文书
胡桃夹子观后感
2015/06/11 职场文书
理想国读书笔记
2015/06/25 职场文书
2019大学生实习报告
2019/06/21 职场文书
使用react-virtualized实现图片动态高度长列表的问题
2021/05/28 Javascript