functionpreview(oper){if(oper<10){bdhtml=window.document.body.innerHTML;//获取以后页的html代码sprnstr="";//设置打印起头地区eprnstr="";//设置打印结束地区prnhtml=bdhtml.substring(bdhtml.indexOf(sprnstr)+18);//从起头代码向后取htmlprnhtml=prnhtml.substring(0,prnhtml.indexOf(eprnstr));//从结束代码向前取htmlwindow.document.body.innerHTML="
"+prnhtml+"";window.print();window.document.body.innerHTML=bdhtml;}else{window.print();}}把下面这段代码放在
标记里面