javascript 字符串转日期

第一种适用于：20100823这种字符串格式

function<wbr>dateValid()</wbr>{
<wbr><wbr><wbr><wbr>var<wbr>bd<wbr></wbr></wbr></wbr></wbr></wbr></wbr>=<wbr>document.getElementByIdx_x(</wbr>"sStartSaveDate").value;
<wbr><wbr><wbr><wbr>var<wbr>beginDate<wbr></wbr></wbr></wbr></wbr></wbr></wbr>=<wbr><wbr></wbr></wbr>new<wbr>Date(bd.replace(</wbr>/^(\d{4})(\d{2})(\d{2})$/,"$1/$2/$3"));
<wbr><wbr><wbr><wbr><br><img alt="" src="http://simg.sinajs.cn/blog7style/images/common/sg_trans.gif" real_src="http://www.blogjava.net/Images/OutliningIndicators/InBlock.gif" align="top" title="javascript&lt;wbr&gt;字符串转日期"><wbr><wbr><wbr><wbr>var<wbr>ed<wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>=<wbr>document.getElementByIdx_x(</wbr>"sEndSaveDate").value;
<wbr><wbr><wbr><wbr>var<wbr>endDate<wbr></wbr></wbr></wbr></wbr></wbr></wbr>=<wbr></wbr>new<wbr>Date(ed.replace(</wbr>/^(\d{4})(\d{2})(\d{2})$/,"$1/$2/$3"));
<wbr><wbr><wbr><wbr><br><img alt="" src="http://simg.sinajs.cn/blog7style/images/common/sg_trans.gif" real_src="http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" name="Codehighlighter1_347_407_Open_Image" title="javascript&lt;wbr&gt;字符串转日期"><img style="DispLAY: none" alt="" src="http://simg.sinajs.cn/blog7style/images/common/sg_trans.gif" real_src="http://www.blogjava.net/Images/OutliningIndicators/ContractedSubBlock.gif" align="top" name="Codehighlighter1_347_407_Closed_Image" title="javascript&lt;wbr&gt;字符串转日期"><wbr><wbr><wbr><wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>if(beginDate<wbr></wbr>>=<wbr>endDate)</wbr>{
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>alert(</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>"结束时间必须大于开始时间！");
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>return<wbr></wbr>false;
<wbr><wbr><wbr><wbr>}</wbr></wbr></wbr></wbr>else{
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>document.getElementByIdx_x(</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>'searchform').submit();<wbr><br><img alt="" src="http://simg.sinajs.cn/blog7style/images/common/sg_trans.gif" real_src="http://www.blogjava.net/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" title="javascript&lt;wbr&gt;字符串转日期"><wbr><wbr><wbr><wbr>}</wbr></wbr></wbr></wbr></wbr>
}

第二种适用于：2010-08-23这种字符串格式

function<wbr>dateValid()</wbr>{
<wbr><wbr><wbr><wbr>var<wbr>beginDate<wbr></wbr></wbr></wbr></wbr></wbr></wbr>=<wbr><wbr></wbr></wbr>new<wbr>Date(document.getElementByIdx_x(</wbr>"sStartSaveDate").value.replace(/-/g,"/"));
<wbr><wbr><wbr><wbr>var<wbr>endDate<wbr></wbr></wbr></wbr></wbr></wbr></wbr>=<wbr></wbr>new<wbr>Date(document.getElementByIdx_x(</wbr>"sEndSaveDate").value.replace(/-/g,"/"));
<wbr><wbr><wbr><wbr></wbr></wbr></wbr></wbr>if(beginDate<wbr></wbr>>=<wbr>endDate)</wbr>{
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>alert(</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>"结束时间必须大于开始时间！");
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>return<wbr></wbr>false;
<wbr><wbr><wbr><wbr>}</wbr></wbr></wbr></wbr>else{
<wbr><wbr><wbr><wbr><wbr>document.getElementByIdx_x(</wbr></wbr></wbr></wbr></wbr>'searchform').submit();
}

第三种适用于：2010/08/23这种字符串格式

function<wbr>dateValid()</wbr>{
<wbr><wbr><wbr><wbr>var<wbr>beginDate<wbr></wbr></wbr></wbr></wbr></wbr></wbr>=<wbr><wbr></wbr></wbr>new<wbr>Date(document.getElementByIdx_x(</wbr>"sStartSaveDate").value);
<wbr><wbr><wbr><wbr>var<wbr>endDate<wbr></wbr></wbr></wbr></wbr></wbr></wbr>=<wbr></wbr>new<wbr>Date(document.getElementByIdx_x(</wbr>"sEndSaveDate").value);
<wbr><wbr><wbr><wbr></wbr></wbr></wbr></wbr>if(beginDate<wbr></wbr>>=<wbr>endDate)</wbr>{
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr>alert(</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>"结束时间必须大于开始时间！");
<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>return<wbr></wbr>false;
<wbr><wbr><wbr><wbr>}</wbr></wbr></wbr></wbr>else{
<wbr><wbr><wbr><wbr><wbr>document.getElementByIdx_x(</wbr></wbr></wbr></wbr></wbr>'searchform').submit();
}
}