window.print()打印功能

按钮调用Print()方法直接打印body中的内容。

 

var HKEY_Root,HKEY_Path,HKEY_Key;
HKEY_Root="HKEY_CURRENT_USER";
HKEY_Path="\\Software\\Microsoft\\Internet Explorer\\PageSetup\\";
  //网页打印时清空页眉页脚
  function pagesetup_null(){
      try{
        var RegWsh = new ActiveXObject("WScript.Shell")
        hkey_key="header"   
        RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"")
        hkey_key="footer"
        RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"")
      }catch(e){
      }
  } 
 
  //网页打印的时恢复页眉页脚为默认值
  function pagesetup_default(){
      try{
        var RegWsh = new ActiveXObject("WScript.Shell")
        hkey_key="header"   
        RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"&w&b页码，&p/&P")
        hkey_key="footer"
        RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"&u&b&d")
      }catch(e){
      }
  }

//打印个人考核成绩
function Print() {
 if(confirm("确定要打印?")) {
 pagesetup_null();
 var headstr = "";
 var footstr = "";

 var oldstr = document.body.innerHTML;
 var noPrint = document.getElementById("noprint");
 noPrint.style.display='none';
 $(".main_table").css("width","640px");  //设置表格的宽度
 var newstr = document.body.innerHTML;
 document.body.innerHTML = headstr+newstr+footstr;  
 window.print();
 document.body.innerHTML = oldstr;
 pagesetup_default();
 }
}