function refreshData(){ //让innerHTML获取的内容包含input和select(option)的最新值
var allInputObject=document.body.getElementsByTagName("input");
for (i = 0; i < allInputObject.length; i++) {
if(allInputObject[i].type=="checkbox") {
if (allInputObject[i].checked )
allInputObject[i].setAttribute("checked","checked");
else
allInputObject[i].removeAttribute("checked");
} else if(allInputObject[i].type=="radio") {
if (allInputObject[i].checked )
allInputObject[i].setAttribute("checked","checked");
else
allInputObject[i].removeAttribute("checked");
}else allInputObject[i].setAttribute("value",allInputObject[i].value);
};
for (i = 0; i < document.getElementsByTagName("select").length; i++) {
var sl=document.getElementsByTagName("select")[i];
for (j = 0; j < sl.options.length; j++) {
if (sl.options[j].selected)
sl.options[j].setAttribute("selected","selected");
else sl.options[j]=new Option(sl.options[j].text,sl.options[j].value);
};
};
};
页面刷新完毕,输入inpu值打印的时候获取不到,在打印之前调用这个方法就可以解决了。