对于表格,为了让用户浏览时不会看错行,一般使用奇偶行机制,可以采用后台经过判断奇偶来给table着色.
这里提供一种简便的方法,即是页面加载完毕后用js脚本判断,对表格进行着色.如下:
<!-- 欢迎转载,请保留作者及其出处,谢谢 --> <HTML> <HEAD> <META http-equiv="Content-Type" content="text/html; charset=gb2312"> <TITLE>table Color</TITLE> <STYLE> table{border-top:1px solid black;border-left:1px solid black;cursor:default;} td{border-bottom:1px solid black;border-right:1px solid black;height:22px;} th{border-bottom:2px solid black;border-right:1px solid black;background-color:#999999;} .trOdd{background-color:#FFFFFF;} .trEven{background-color:#CCCCCC;} </STYLE> <SCRIPT language="javascript"> /*********************** setTableColor.js ***********************************/ /** * added by LxcJie 2004.6.25 * 自动扫描表格,描绘奇偶行的颜色 * oTable:目标表格 oddClass:奇数行的css样式 evenClass:偶数行的css样式 */ function setRowColor(oTable,oddClass,evenClass) { resetTableColor(oTable); for(var i=1; i<oTable.rows.length; i++) { if(i % 2 == 0) oTable.rows[i].className = evenClass; else oTable.rows[i].className = oddClass; } }
/** * added by LxcJie 2004.6.28 * 自动扫描表格,描绘奇偶列的颜色 * oTable:目标表格 oddClass:奇数列的css样式 evenClass:偶数列的css样式 */ function setColColor(oTable,oddClass,evenClass) { resetTableColor(oTable); for(var i=1; i<oTable.rows.length; i++) { for(var j=0; j<oTable.rows[i].cells.length; j++) { if(j % 2 == 0) oTable.rows[i].cells[j].className = evenClass; else oTable.rows[i].cells[j].className = oddClass; } } }
//清空所有tr和td的样式 function resetTableColor(oTable) { for(var i=1; i<oTable.rows.length; i++) { oTable.rows[i].className = ""; for(var j=0; j<oTable.rows[i].cells.length; j++) oTable.rows[i].cells[j].className = ""; } } /*********************** setTableColor.js 结束 ***********************************/ </SCRIPT> <SCRIPT language="javascript"> window.changeTag = true; function init() { setRowColor(document.all.tableRow,'trOdd','trEven'); setColColor(document.all.tableCol,'trOdd','trEven'); }
function change() { if(changeTag) { setRowColor(document.all.tableCol,'trOdd','trEven'); setColColor(document.all.tableRow,'trOdd','trEven'); changeTag = false; } else { setRowColor(document.all.tableRow,'trOdd','trEven'); setColColor(document.all.tableCol,'trOdd','trEven'); changeTag = true; } } </SCRIPT> </HEAD>
<BODY onLoad="init()"> <TABLE width="70%" border="0" cellspacing="0" cellpadding="0" id="tableRow"> <TR> <TH scope="col">col1</TH> <TH scope="col">col2</TH> <TH scope="col">col3</TH> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> </TR> </TABLE> <P> <TABLE width="70%" border="0" cellspacing="0" cellpadding="0" id="tableCol"> <TR> <TH width="25%" scope="col">col1</TH> <TH width="25%" scope="col">col2</TH> <TH width="25%" scope="col">col3</TH> <TH width="25%" scope="col">col4</TH> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> <TD> </TD> </TR> <TR> <TD> </TD> <TD> </TD> <TD> </TD> <TD> </TD> </TR> </TABLE><p> <input type="button" value=" 交 换 " onClick="change()" style="border:1px solid black; "> </BODY> </HTML>

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