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javascript table排序这个更简单了，不用改变现在的表格结构

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd"> <HTML xmlns="http://www.w3.org/1999/xhtml"><HEAD><TITLE>JavaScript实现可自定义排序的表格 - </TITLE> <META http-equiv=Content-Type content="text/html; charset=gb2312"> <STYLE type=text/css>BODY { FONT-SIZE: 0.8em; FONT-FAMILY: Trebuchet MS, Lucida Sans Unicode, Arial, sans-serif } P { FONT-WEIGHT: bold; MARGIN-BOTTOM: 0px } .tableWidget_headerCell { BORDER-RIGHT: #aca899 1px solid; BORDER-LEFT: #fff 1px solid; CURSOR: pointer; BORDER-BOTTOM: #c5c2b2 3px solid; BACKGROUND-COLOR: #ece9d8 } .tableWigdet_headerCellOver { BORDER-RIGHT: #aca899 1px solid; BORDER-LEFT: #fff 1px solid; CURSOR: pointer; BORDER-BOTTOM: #c5c2b2 3px solid; BACKGROUND-COLOR: #ece9d8 } .tableWigdet_headerCellDown { BORDER-RIGHT: #aca899 1px solid; BORDER-LEFT: #fff 1px solid; CURSOR: pointer; BORDER-BOTTOM: #c5c2b2 3px solid; BACKGROUND-COLOR: #ece9d8 } .tableWidget_headerCell { BORDER-TOP: #ece9d8 2px solid } .tableWigdet_headerCellOver { BORDER-TOP: #ffc83c 2px solid } .tableWidget TBODY .tableWidget_dataRollOver { BACKGROUND-COLOR: #fff } .tableWigdet_headerCellDown { BORDER-RIGHT: #fff 1px solid; BORDER-TOP: #ffc83c 2px solid; BORDER-LEFT: #aca899 1px solid; BACKGROUND-COLOR: #dbd8c5 } .tableWidget TD { PADDING-RIGHT: 2px; PADDING-LEFT: 2px; PADDING-BOTTOM: 2px; MARGIN: 0px; PADDING-TOP: 2px; BORDER-BOTTOM: #eae9e1 1px solid } .tableWidget TBODY { BACKGROUND-COLOR: #fff } .tableWidget { FONT-SIZE: 12px; WIDTH: 400px; FONT-FAMILY: arial } DIV.widget_tableDiv { BORDER-RIGHT: #aca899 1px solid; BORDER-TOP: #aca899 1px solid; OVERFLOW-Y: auto; BORDER-LEFT: #aca899 1px solid; WIDTH: 400px; BORDER-BOTTOM: #aca899 1px solid; HEIGHT: 200px } HTML > BODY DIV.widget_tableDiv { OVERFLOW: hidden; WIDTH: 400px } .tableWidget THEAD { POSITION: relative } .tableWidget THEAD TR { BOTTOM: 0px; POSITION: relative; TOP: 0px } .tableWidget .scrollingContent { OVERFLOW-Y: auto; WIDTH: 100% } </STYLE>  /* (C) www.dhtmlgoodies.com, October 2005 This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website. Terms of use: You are free to use this script as long as the copyright message is kept intact. However, you may not redistribute, sell or repost it without our permission. Thank you! www.dhtmlgoodies.com Alf Magne Kalleland */ var tableWidget_tableCounter = 0; var tableWidget_arraySort = new Array(); var tableWidget_okToSort = true; var activeColumn = new Array(); var arrowImagePath = "images/"; // Path to arrow images function addEndCol(obj) { if(document.all)return; var rows = obj.getElementsByTagName('TR'); for(var no=0;no<rows.length;no++){ var cell = rows[no].insertCell(-1); cell.innerHTML = ' '; cell.style.width = '13px'; cell.width = '13'; } } function highlightTableHeader() { this.className='tableWigdet_headerCellOver'; if(document.all){ // I.E fix for "jumping" headings var divObj = this.parentNode.parentNode.parentNode.parentNode; this.parentNode.style.top = divObj.scrollTop + 'px'; } } function deHighlightTableHeader() { this.className='tableWidget_headerCell'; } function mousedownTableHeader() { this.className='tableWigdet_headerCellDown'; if(document.all){ // I.E fix for "jumping" headings var divObj = this.parentNode.parentNode.parentNode.parentNode; this.parentNode.style.top = divObj.scrollTop + 'px'; } } function sortNumeric(a,b){ a = a.replace(/,/,'.'); b = b.replace(/,/,'.'); a = a.replace(/[^\d\-\.\/]/g,''); b = b.replace(/[^\d\-\.\/]/g,''); if(a.indexOf('/')>=0)a = eval(a); if(b.indexOf('/')>=0)b = eval(b); return a/1 - b/1; } function sortString(a, b) { if ( a.toUpperCase() < b.toUpperCase() ) return -1; if ( a.toUpperCase() > b.toUpperCase() ) return 1; return 0; } function cancelTableWidgetEvent() { return false; } function sortTable() { if(!tableWidget_okToSort)return; tableWidget_okToSort = false; /* Getting index of current column */ var obj = this; var indexThis = 0; while(obj.previousSibling){ obj = obj.previousSibling; if(obj.tagName=='TD')indexThis++; } var images = this.getElementsByTagName('IMG'); if(this.getAttribute('direction') || this.direction){ direction = this.getAttribute('direction'); if(navigator.userAgent.indexOf('Opera')>=0)direction = this.direction; if(direction=='ascending'){ direction = 'descending'; this.setAttribute('direction','descending'); this.direction = 'descending'; }else{ direction = 'ascending'; this.setAttribute('direction','ascending'); this.direction = 'ascending'; } }else{ direction = 'ascending'; this.setAttribute('direction','ascending'); this.direction = 'ascending'; } if(direction=='descending'){ images[0].style.display='inline'; images[0].style.visibility='visible'; images[1].style.display='none'; }else{ images[1].style.display='inline'; images[1].style.visibility='visible'; images[0].style.display='none'; } var tableObj = this.parentNode.parentNode.parentNode; var tBody = tableObj.getElementsByTagName('TBODY')[0]; var widgetIndex = tableObj.id.replace(/[^\d]/g,''); var sortMethod = tableWidget_arraySort[widgetIndex][indexThis]; // N = numeric, S = String if(activeColumn[widgetIndex] && activeColumn[widgetIndex]!=this){ var images = activeColumn[widgetIndex].getElementsByTagName('IMG'); images[0].style.display='none'; images[1].style.display='inline'; images[1].style.visibility = 'hidden'; if(activeColumn[widgetIndex])activeColumn[widgetIndex].removeAttribute('direction'); } activeColumn[widgetIndex] = this; var cellArray = new Array(); var cellObjArray = new Array(); for(var no=1;no<tableObj.rows.length;no++){ var content= tableObj.rows[no].cells[indexThis].innerHTML+''; cellArray.push(content); cellObjArray.push(tableObj.rows[no].cells[indexThis]); } if(sortMethod=='N'){ cellArray = cellArray.sort(sortNumeric); }else{ cellArray = cellArray.sort(sortString); } if(direction=='descending'){ for(var no=cellArray.length;no>=0;no--){ for(var no2=0;no2<cellObjArray.length;no2++){ if(cellObjArray[no2].innerHTML == cellArray[no] && !cellObjArray[no2].getAttribute('allreadySorted')){ cellObjArray[no2].setAttribute('allreadySorted','1'); tBody.appendChild(cellObjArray[no2].parentNode); } } } }else{ for(var no=0;no<cellArray.length;no++){ for(var no2=0;no2<cellObjArray.length;no2++){ if(cellObjArray[no2].innerHTML == cellArray[no] && !cellObjArray[no2].getAttribute('allreadySorted')){ cellObjArray[no2].setAttribute('allreadySorted','1'); tBody.appendChild(cellObjArray[no2].parentNode); } } } } for(var no2=0;no2<cellObjArray.length;no2++){ cellObjArray[no2].removeAttribute('allreadySorted'); } tableWidget_okToSort = true; } function initTableWidget(objId,width,height,sortArray) { width = width + ''; height = height + ''; var obj = document.getElementById(objId); obj.parentNode.className='widget_tableDiv'; if(navigator.userAgent.indexOf('MSIE')>=0){ obj.parentNode.style.overflowY = 'auto'; } tableWidget_arraySort[tableWidget_tableCounter] = sortArray; if(width.indexOf('%')>=0){ obj.style.width = width; obj.parentNode.style.width = width; }else{ obj.style.width = width + 'px'; obj.parentNode.style.width = width + 'px'; } if(height.indexOf('%')>=0){ //obj.style.height = height; obj.parentNode.style.height = height; }else{ //obj.style.height = height + 'px'; obj.parentNode.style.height = height + 'px'; } obj.id = 'tableWidget' + tableWidget_tableCounter; addEndCol(obj); obj.cellSpacing = 0; obj.cellPadding = 0; obj.className='tableWidget'; var tHead = obj.getElementsByTagName('THEAD')[0]; var cells = tHead.getElementsByTagName('TD'); for(var no=0;no<cells.length;no++){ cells[no].className = 'tableWidget_headerCell'; cells[no].onselectstart = cancelTableWidgetEvent; if(no==cells.length-1){ cells[no].style.borderRight = '0px'; } if(sortArray[no]){ cells[no].onmouseover = highlightTableHeader; cells[no].onmouseout = deHighlightTableHeader; cells[no].onmousedown = mousedownTableHeader; cells[no].onmouseup = highlightTableHeader; cells[no].onclick = sortTable; var img = document.createElement('IMG'); img.src = arrowImagePath + 'arrow_up.gif'; cells[no].appendChild(img); img.style.visibility = 'hidden'; var img = document.createElement('IMG'); img.src = arrowImagePath + 'arrow_down.gif'; cells[no].appendChild(img); img.style.display = 'none'; }else{ cells[no].style.cursor = 'default'; } } var tBody = obj.getElementsByTagName('TBODY')[0]; if(document.all && navigator.userAgent.indexOf('Opera')<0){ tBody.className='scrollingContent'; tBody.style.display='block'; }else{ tBody.className='scrollingContent'; if(tBody.offsetHeight>(tBody.parentNode.parentNode.offsetHeight - 50)) { tBody.style.height = (obj.parentNode.clientHeight-tHead.offsetHeight) + 'px'; }else{ tBody.style.overflow='hidden'; } if(navigator.userAgent.indexOf('Opera')>=0){ obj.parentNode.style.overflow = 'auto'; } } for(var no=1;no<obj.rows.length;no++){ obj.rows[no].onmouseover = highlightDataRow; obj.rows[no].onmouseout = deHighlightDataRow; for(var no2=0;no2<sortArray.length;no2++){ /* Right align numeric cells */ if(sortArray[no2] && sortArray[no2]=='N')obj.rows[no].cells[no2].style.textAlign='right'; } } for(var no2=0;no2<sortArray.length;no2++){ /* Right align numeric cells */ if(sortArray[no2] && sortArray[no2]=='N')obj.rows[0].cells[no2].style.textAlign='right'; } tableWidget_tableCounter++; } function highlightDataRow() { if(navigator.userAgent.indexOf('Opera')>=0)return; this.className='tableWidget_dataRollOver'; if(document.all){ // I.E fix for "jumping" headings var divObj = this.parentNode.parentNode.parentNode; var tHead = divObj.getElementsByTagName('TR')[0]; tHead.style.top = divObj.scrollTop + 'px'; } } function deHighlightDataRow() { if(navigator.userAgent.indexOf('Opera')>=0)return; this.className=null; if(document.all){ // I.E fix for "jumping" headings var divObj = this.parentNode.parentNode.parentNode; var tHead = divObj.getElementsByTagName('TR')[0]; tHead.style.top = divObj.scrollTop + 'px'; } } </SCRIPT> <META content="MSHTML 6.00.5730.13" name=GENERATOR></HEAD> <BODY>  <TABLE id=myTable> <THEAD> <TR> <TD>Name</TD> <TD>Age</TD> <TD>Position</TD> <TD>Income</TD> <TD>Gender</TD></TR></THEAD> <TBODY class=scrollingContent> <TR> <TD>John</TD> <TD>37</TD> <TD>Managing director</TD> <TD>90.000</TD> <TD>Male</TD></TR> <TR> <TD>Susan</TD> <TD>34</TD> <TD>Partner</TD> <TD>90.000</TD> <TD>Female</TD></TR> <TR> <TD>David</TD> <TD>29</TD> <TD>Head of production</TD> <TD>70.000</TD> <TD>Male</TD></TR> <TR> <TD>Laura</TD> <TD>29</TD> <TD>Head of marketing</TD> <TD>70.000</TD> <TD>Female</TD></TR> <TR> <TD>Kate</TD> <TD>18</TD> <TD>Marketing</TD> <TD>50.000</TD> <TD>Female</TD></TR> <TR> <TD>Mona</TD> <TD>21</TD> <TD>Marketing</TD> <TD>53.000</TD> <TD>Female</TD></TR> <TR> <TD>Mike</TD> <TD>21</TD> <TD>Marketing</TD> <TD>53.000</TD> <TD>Male</TD></TR> <TR> <TD>Mark</TD> <TD>25</TD> <TD>Production</TD> <TD>52.000</TD> <TD>Male</TD></TR> <TR> <TD>Peter</TD> <TD>33</TD> <TD>Production</TD> <TD>55.000</TD> <TD>Male</TD></TR> <TR> <TD>Jennifer</TD> <TD>24</TD> <TD>Production</TD> <TD>49.000</TD> <TD>Female</TD></TR> <TR> <TD>David</TD> <TD>25</TD> <TD>Photography</TD> <TD>51.000</TD> <TD>Male</TD></TR> <TR> <TD>Anna</TD> <TD>42</TD> <TD>Head of photography</TD> <TD>56.000</TD> <TD>Female</TD></TR> <TR> <TD>Rita</TD> <TD>30</TD> <TD>Photography</TD> <TD>54.000</TD> <TD>Female</TD></TR> <TR> <TD>Magnus</TD> <TD>25</TD> <TD>Freelancer</TD> <TD>65.000</TD> <TD>Male</TD></TR> <TR> <TD>Johnny</TD> <TD>29</TD> <TD>Freelancer</TD> <TD>63.000</TD> <TD>Male</TD></TR></TBODY></TABLE>  initTableWidget('myTable',500,250,Array('S','N',false,'N','S')); </SCRIPT>  </BODY></HTML>

[Ctrl+A 全选注:引入外部Js需再刷新一下页面才能执行]

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