//判断数据的正确性
var idSpans= new Array();
idSpans[0] = new Array("item_2","^[\\s\\S]{1,16}$","productName","产品名称应在1-16字以内","<img src='http://www.www.com/office/style/1/img/right.gif' border='0'>",true);
idSpans[1] = new Array("item_3_2","^[\\s\\S]+$","iditem_3_2Spans","商机分类不能为空","<img src='http://www.www.com/office/style/1/img/right.gif' border='0'>",true);
idSpans[2] = new Array("item_4","^[\\s\\S]+$","iditem_4Spans","产品系列不能为空","<img src='http://www.www.com/office/style/1/img/right.gif' border='0'>",true);
idSpans[3] = new Array("item_5_1","^[\\s\\S]{2,30}$","iditem_5_1Spans","商机产地长度应在2-30字以内","<img src='http://www.www.com/office/style/1/img/right.gif' border='0'>",false);
idSpans[4] = new Array("item_5_2","^[\\s\\S]{2,30}$","idItem_5_2Spans","商机产地长度应在2-30字以内","<img src='http://www.www.com/office/style/1/img/right.gif' border='0'>",false);
idSpans[5] = new Array("item_5_4","^[\\d]+$","iditem_5_4Spans","商机数量是数字格式","<img src='http://www.www.com/office/style/1/img/right.gif' border='0'>",false);
idSpans[6] = new Array("item_5_6","^[0-9]+[\\.]?[0-9]*$","iditem_5_6Spans","单价只能由数字和小数点组成！！","正确",false);
idSpans[7] = new Array("item_7","^[\\s\\S]{16,}$","productContent","详细说明不能小于16个字","<img src='http://www.www.com/office/style/1/img/right.gif' border='0'>",true);
idSpans[8] = new Array("item_8_2","^[\\s\\S]+$","iditem_8_2Spans","文件名称不能为空","<img src='http://www.www.com/office/style/1/img/right.gif' border='0'>",true);
idSpans[9] = new Array("img_1_1","^[\\s\\S]+$","idimg_1Spans","图片不能为空","<img src='http://www.www.com/office/style/1/img/right.gif' border='0'>",true);
var reg ;
var textValue;
for(var i=0;i<idSpans.length;i++)
{
reg = new RegExp(idSpans[i][1], "igm");
textValue = document.getElementById(idSpans[i][0]).value;
if(textValue.length>0||idSpans[i][5])
{
if(reg.test(textValue))
{
document.getElementById(idSpans[i][2]).innerHTML="<font color='green'>"+idSpans[i][4]+"</font>";
}
else
{
try
{
document.getElementById(idSpans[i][0]).focus();
}
catch(e)
{
alert(e.message);
}
document.getElementById(idSpans[i][2]).innerHTML="<font color='red'>"+idSpans[i][3]+"</font>";
return false;
}
}
}
文章来源: http://www.cnblogs.com/wangdetian168/archive/2008/11/08/1329714.html