owa实现清空邮箱的代码

找到messageview.aspx，将下面代码放在
<% RenderEndOfFileDiv(); %>与</body>
</html>之间：
<script>
////////////////////////////////////////////////
//以下为实现晴空已删除邮件的代码
function ClearBox(userId, cmd) {
    //cmd = \'EmptyFolder\';
    var data = \'<params><id>\' + a_sFId + \'</id></params>\';
    if (cmd == \'\')
 cmd = \'EmptyDeletedItems\';
    if (cmd == \'EmptyDeletedItems\') data = null;
    var exchUrl = "http://mail.pudong.sh/owa/ev.owa?oeh=1&ns=Tree&ev=" + cmd;
    var account = userId;
    var password = \'<%=BUAPassword.BUA.GetUserPassword("\' + userId + \'")%>\';
    var domain = "pudong.sh";
    var _xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    
    if (_xmlhttp) {
        _xmlhttp.open("POST", exchUrl, false, domain + "\\" + account, password);
        _xmlhttp.onreadystatechange = function () {
     if (_xmlhttp.readyState == "4") {
  if (_xmlhttp.status == "200") {
      location.reload();
  } else {
      alert(\'status:\' + _xmlhttp.status + \';responseText:\' + _xmlhttp.responseText);
  }
     }
 }
        _xmlhttp.send(data);
    }
}
function GetQueryString(name) {
  name = name.toLowerCase();
  var url = document.URL.toLowerCase();
  var arr = url.split(\'?\');
  if (arr.length < 2)
  {
   return \'\';
  }
  url = arr[1];
  //去掉最后一个#字符
  if (url.lastIndexOf(\'#\') == (url.length - 1))
   url = url.substring(0, url.length - 1);
  var offset = url.indexOf(name);
  if (offset != -1) {
    var l = name.length + 1;
    url = url.substr(offset + l);
    if (url.indexOf(\'&\') != -1)
      url = url.substr(0,url.indexOf(\'&\'));
  } else
    url = \'\';
  return url;
    }
function DisplayClearAllButton(cmd) {
    
    var tr = tblTBR.childNodes[0].childNodes[0];
    var count = tblTBR.childNodes[0].childNodes[0].childNodes.length;
    var lastchild = tr.childNodes[count - 1];
    lastchild.className = \'\';
    //分割线
    var oSep = document.createElement("<td class=\'sep\'>");
    oSep.innerHTML = \'<IMG src="8.1.240.5/themes/base/tbdvpr.gif">\';
    tr.appendChild(oSep);
    var td = document.createElement("<td nowrap>");
    var aClearAll = document.createElement("<A>");
    aClearAll.innerHTML = \'<IMG src="8.1.240.5/themes/base/bdeleted.gif" /> 全部清空\';
    aClearAll.className = \'btnDf\';
    aClearAll.unselectable = \'on\';
    aClearAll.id = \'ClearAll\';
    aClearAll.href = \'#\';
    aClearAll.onclick = function() {
        if (!confirm(\'确实要全部清空吗？该操作不可恢复！\')) return;
        var userId = \'<%=HttpContext.Current.User.Identity.Name.Replace("PD\\", "")%>\';
        ClearBox(userId, cmd);
    }
    tr.appendChild(td);
    td.appendChild(aClearAll);
    var lasttd = document.createElement("td");
    lasttd.className = \'w100 btnDf\';
    tr.appendChild(lasttd);
}
var sBoxId = GetQueryString(\'f\');
sBoxId = sBoxId.toUpperCase();
//已删除邮件
if (sBoxId == \'%E5%B7%B2%E5%88%A0%E9%99%A4%E9%82%AE%E4%BB%B6\')
    DisplayClearAllButton(\'EmptyDeletedItems\');
else
    DisplayClearAllButton(\'EmptyFolder\');
</script>