JavaScript method to implement table click sorting_javascript skills
本文实例讲述了JavaScript实现表格点击排序的方法。分享给大家供大家参考。具体分析如下：
这里实现基于JS的表格点击排序效果，可以根据表格内的数据大小自动按顺序排列，股票网站常会见到这种功能。
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>表格排序</title>
</head>
<STYLE type=text/css>TABLE {
BORDER-RIGHT: #000000 2px solid; BORDER-TOP: #000000 2px solid;
BORDER-LEFT: #000000 2px solid; BORDER-BOTTOM: #000000 2px solid;
border-spacing: 0px; cell-spacing: 0px
}
TD {
PADDING-RIGHT: 0.5em; PADDING-LEFT: 0.5em; FONT-SIZE: 10pt;
PADDING-BOTTOM: 2px; PADDING-TOP: 2px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE: nowrap
}
TH {
PADDING-RIGHT: 0.5em; PADDING-LEFT: 0.5em; FONT-SIZE: 10pt;
PADDING-BOTTOM: 2px; PADDING-TOP: 2px;
FONT-FAMILY: Arial, Helvetica, sans-serif; WHITE-SPACE: nowrap
}
TD.numeric {
TEXT-ALIGN: right
}
TH {
BACKGROUND-COLOR: #c0c0c0
}
TH.mainHeader {
COLOR: #ffffff; BACKGROUND-COLOR: #808080; TEXT-ALIGN: left
}
TH A {
COLOR: #000080; TEXT-DECORATION: none
}
TH A:visited {
COLOR: #000080
}
TH A:active {
COLOR: #800000; TEXT-DECORATION: underline
}
TH A:hover {
COLOR: #800000; TEXT-DECORATION: underline
}
TR.alternateRow {
BACKGROUND-COLOR: #e0e0e0
}
TD.sortedColumn {
BACKGROUND-COLOR: #f0f0f0
}
TH.sortedColumn {
BACKGROUND-COLOR: #b0b0b0
}
TR.alternateRow TD.sortedColumn {
BACKGROUND-COLOR: #d0d0d0
}
</STYLE>
<SCRIPT type=text/javascript>
function sortTable(id, col, rev) {
var tblEl = document.getElementById(id);
if (tblEl.reverseSort == null) {
tblEl.reverseSort = new Array();
tblEl.lastColumn = 1;
}
if (tblEl.reverseSort[col] == null)
tblEl.reverseSort[col] = rev;
if (col == tblEl.lastColumn)
tblEl.reverseSort[col] = !tblEl.reverseSort[col];
tblEl.lastColumn = col;
var oldDsply = tblEl.style.display;
tblEl.style.display = "none";
var tmpEl;
var i, j;
var minVal, minIdx;
var testVal;
var cmp;
for (i = 0; i < tblEl.rows.length - 1; i++) {
minIdx = i;
minVal = getTextValue(tblEl.rows[i].cells[col]);
for (j = i + 1; j < tblEl.rows.length; j++) {
testVal = getTextValue(tblEl.rows[j].cells[col]);
cmp = compareValues(minVal, testVal);
if (tblEl.reverseSort[col])
cmp = -cmp;
if (cmp == 0 && col != 1)
cmp = compareValues(getTextValue(tblEl.rows[minIdx].cells[1]),
getTextValue(tblEl.rows[j].cells[1]));
if (cmp > 0) {
minIdx = j;
minVal = testVal;
}
}
if (minIdx > i) {
tmpEl = tblEl.removeChild(tblEl.rows[minIdx]);
tblEl.insertBefore(tmpEl, tblEl.rows[i]);
}
}
makePretty(tblEl, col);
setRanks(tblEl, col, rev);
tblEl.style.display = oldDsply;
return false;
}
if (document.ELEMENT_NODE == null) {
document.ELEMENT_NODE = 1;
document.TEXT_NODE = 3;
}
function getTextValue(el) {
var i;
var s;
s = "";
for (i = 0; i < el.childNodes.length; i++)
if (el.childNodes[i].nodeType == document.TEXT_NODE)
s += el.childNodes[i].nodeValue;
else if (el.childNodes[i].nodeType == document.ELEMENT_NODE &&
el.childNodes[i].tagName == "BR")
s += " ";
else
// Use recursion to get text within sub-elements.
s += getTextValue(el.childNodes[i]);
return normalizeString(s);
}
function compareValues(v1, v2) {
var f1, f2;
f1 = parseFloat(v1);
f2 = parseFloat(v2);
if (!isNaN(f1) && !isNaN(f2)) {
v1 = f1;
v2 = f2;
}
// Compare the two values.
if (v1 == v2)
return 0;
if (v1 > v2)
return 1
return -1;
}
var whtSpEnds = new RegExp("^\\s*|\\s*$", "g");
var whtSpMult = new RegExp("\\s\\s+", "g");
function normalizeString(s) {
s = s.replace(whtSpMult, " "); // Collapse any multiple whites space.
s = s.replace(whtSpEnds, ""); // Remove leading or trailing white space.
return s;
}
var rowClsNm = "alternateRow";
var colClsNm = "sortedColumn";
var rowTest = new RegExp(rowClsNm, "gi");
var colTest = new RegExp(colClsNm, "gi");
function makePretty(tblEl, col) {
var i, j;
var rowEl, cellEl;
for (i = 0; i < tblEl.rows.length; i++) {
rowEl = tblEl.rows[i];
rowEl.className = rowEl.className.replace(rowTest, "");
if (i % 2 != 0)
rowEl.className += " " + rowClsNm;
rowEl.className = normalizeString(rowEl.className);
for (j = 2; j < tblEl.rows[i].cells.length; j++) {
cellEl = rowEl.cells[j];
cellEl.className = cellEl.className.replace(colTest, "");
if (j == col)
cellEl.className += " " + colClsNm;
cellEl.className = normalizeString(cellEl.className);
}
}
var el = tblEl.parentNode.tHead;
rowEl = el.rows[el.rows.length - 1];
for (i = 2; i < rowEl.cells.length; i++) {
cellEl = rowEl.cells[i];
cellEl.className = cellEl.className.replace(colTest, "");
if (i == col)
cellEl.className += " " + colClsNm;
cellEl.className = normalizeString(cellEl.className);
}
}
function setRanks(tblEl, col, rev) {
var i = 0;
var incr = 1;
if (tblEl.reverseSort[col])
rev = !rev;
if (rev) {
incr = -1;
i = tblEl.rows.length - 1;
}
var count = 1;
var rank = count;
var curVal;
var lastVal = null;
while (col > 1 && i >= 0 && i < tblEl.rows.length) {
curVal = getTextValue(tblEl.rows[i].cells[col]);
if (lastVal != null && compareValues(curVal, lastVal) != 0)
rank = count;
tblEl.rows[i].rank = rank;
lastVal = curVal;
count++;
i += incr;
}
var rowEl, cellEl;
var lastRank = 0;
for (i = 0; i < tblEl.rows.length; i++) {
rowEl = tblEl.rows[i];
cellEl = rowEl.cells[0];
while (cellEl.lastChild != null)
cellEl.removeChild(cellEl.lastChild);
if (col > 1 && rowEl.rank != lastRank) {
cellEl.appendChild(document.createTextNode(rowEl.rank));
lastRank = rowEl.rank;
}
}
}
</SCRIPT>
</HEAD>
<BODY>
<!-- Offensive statistics table. -->
<TABLE cellSpacing=0 cellPadding=0 border=0>
<THEAD>
<TR>
<TH class=mainHeader colSpan=11>NFL 2001 Offensive Stats</TH></TR>
<TR>
<TH style="TEXT-ALIGN: left">Rank</TH>
<TH style="TEXT-ALIGN: left"><A title="Team Name"
onclick="this.blur(); return sortTable('offTblBdy', 1, false);"
href="#">Team</A></TH>
<TH><SPAN title="Games Played">Gms</SPAN></TH>
<TH><A title="Total Yards"
onclick="this.blur(); return sortTable('offTblBdy', 3, true);"
href="#">Yds</A></TH>
<TH><A title="Yards Per Game"
onclick="this.blur(); return sortTable('offTblBdy', 4, true);"
href="#">Yds/G</A></TH>
<TH><A title="Total Rushing Yards"
onclick="this.blur(); return sortTable('offTblBdy', 5, true);"
href="#">RuYds</A></TH>
<TH><A title="Rushing Yards Per Game"
onclick="this.blur(); return sortTable('offTblBdy', 6, true);"
href="#">RuYds/G</A></TH>
<TH><A title="Total Passing Yards"
onclick="this.blur(); return sortTable('offTblBdy', 7, true);"
href="#">PaYds</A></TH>
<TH><A title="Passing Yards Per Game"
onclick="this.blur(); return sortTable('offTblBdy', 8, true);"
href="#">PaYds/G</A></TH>
<TH><A title="Total Points Scored"
onclick="this.blur(); return sortTable('offTblBdy', 9, true);"
href="#">Pts</A></TH>
<TH><A title="Points Per Game"
onclick="this.blur(); return sortTable('offTblBdy', 10, true);"
href="#">Pts/G</A></TH></TR></THEAD>
<TBODY id=offTblBdy>
<TR>
<TD class=numeric></TD>
<TD>Arizona</TD>
<TD class=numeric>16</TD>
<TD class=numeric>4898</TD>
<TD class=numeric>306.1</TD>
<TD class=numeric>1449</TD>
<TD class=numeric>90.6</TD>
<TD class=numeric>3449</TD>
<TD class=numeric>215.6</TD>
<TD class=numeric>295</TD>
<TD class=numeric>18.4</TD></TR>
<TR class=alternateRow>
<TD class=numeric></TD>
<TD>Atlanta</TD>
<TD class=numeric>16</TD>
<TD class=numeric>5070</TD>
<TD class=numeric>316.9</TD>
<TD class=numeric>1773</TD>
<TD class=numeric>110.8</TD>
<TD class=numeric>3297</TD>
<TD class=numeric>206.1</TD>
<TD class=numeric>291</TD>
<TD class=numeric>18.2</TD></TR>
<TR>
<TD class=numeric></TD>
<TD>Detroit</TD>
<TD class=numeric>16</TD>
<TD class=numeric>4994</TD>
<TD class=numeric>312.1</TD>
<TD class=numeric>1398</TD>
<TD class=numeric>87.4</TD>
<TD class=numeric>3596</TD>
<TD class=numeric>224.8</TD>
<TD class=numeric>270</TD>
<TD class=numeric>16.9</TD></TR>
<TR class=alternateRow>
<TD class=numeric></TD>
<TD>Jacksonville</TD>
<TD class=numeric>16</TD>
<TD class=numeric>4840</TD>
<TD class=numeric>302.5</TD>
<TD class=numeric>1600</TD>
<TD class=numeric>100.0</TD>
<TD class=numeric>3240</TD>
<TD class=numeric>202.5</TD>
<TD class=numeric>294</TD>
<TD class=numeric>18.4</TD></TR>
<TR>
<TD class=numeric></TD>
<TD>Kansas City</TD>
<TD class=numeric>16</TD>
<TD class=numeric>5673</TD>
<TD class=numeric>354.6</TD>
<TD class=numeric>2008</TD>
<TD class=numeric>125.5</TD>
<TD class=numeric>3665</TD>
<TD class=numeric>229.1</TD>
<TD class=numeric>320</TD>
<TD class=numeric>20.0</TD></TR>
<TR class=alternateRow>
<TD class=numeric></TD>
<TD>Miami</TD>
<TD class=numeric>16</TD>
<TD class=numeric>4821</TD>
<TD class=numeric>301.3</TD>
<TD class=numeric>1664</TD>
<TD class=numeric>104.0</TD>
<TD class=numeric>3157</TD>
<TD class=numeric>197.3</TD>
<TD class=numeric>344</TD>
<TD class=numeric>21.5</TD></TR>
<TR>
<TD class=numeric></TD>
<TD>Minnesota</TD>
<TD class=numeric>16</TD>
<TD class=numeric>5006</TD>
<TD class=numeric>333.7</TD>
<TD class=numeric>1523</TD>
<TD class=numeric>101.5</TD>
<TD class=numeric>3483</TD>
<TD class=numeric>232.2</TD>
<TD class=numeric>287</TD>
<TD class=numeric>19.1</TD></TR>
<TR class=alternateRow>
<TD class=numeric></TD>
<TD>New England</TD>
<TD class=numeric>16</TD>
<TD class=numeric>4882</TD>
<TD class=numeric>305.1</TD>
<TD class=numeric>1793</TD>
<TD class=numeric>112.1</TD>
<TD class=numeric>3089</TD>
<TD class=numeric>193.1</TD>
<TD class=numeric>371</TD>
<TD class=numeric>23.2</TD></TR>
<TR>
<TD class=numeric></TD>
<TD>New Orleans</TD>
<TD class=numeric>16</TD>
<TD class=numeric>5226</TD>
<TD class=numeric>326.6</TD>
<TD class=numeric>1712</TD>
<TD class=numeric>107.0</TD>
<TD class=numeric>3514</TD>
<TD class=numeric>219.6</TD>
<TD class=numeric>333</TD>
<TD class=numeric>20.8</TD></TR>
<TR class=alternateRow>
<TD class=numeric></TD>
<TD>New York Giants</TD>
<TD class=numeric>16</TD>
<TD class=numeric>5335</TD>
<TD class=numeric>333.4</TD>
<TD class=numeric>1777</TD>
<TD class=numeric>111.1</TD>
<TD class=numeric>3558</TD>
<TD class=numeric>222.4</TD>
<TD class=numeric>294</TD>
<TD class=numeric>18.4</TD></TR>
</TBODY></TABLE>
</BODY>
</HTML>
希望本文所述对大家的javascript程序设计有所帮助。
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