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if ($insert && $insertsql) {php 批量保存数据与批量更新数据
  $keystr = $valstr = $tmp = "";
  foreach($insertsql as $key => $val) {
   if ($val) {
    $keystr .= $tmp.$key;
    $valstr .= $tmp.""".addslashes($val).""";
    $tmp = ",";
   }
  }
  if ($keystr && $valstr) {
   dbconn($dbhost,$dbuser,$dbpass,$dbname,$charset,$dbport);
   m(q("INSERT INTO $tablename ($keystr) VALUES ($valstr)") ? "Insert new record of success" : mysql_error());
  }
 }
 if ($update && $insertsql && $base64) {
  $valstr = $tmp = "";
  foreach($insertsql as $key => $val) {
   $valstr .= $tmp.$key."="".addslashes($val).""";
   $tmp = ",";
  }
  if ($valstr) {
   $where = base64_decode($base64);
   dbconn($dbhost,$dbuser,$dbpass,$dbname,$charset,$dbport);
   m(q("UPDATE $tablename SET $valstr WHERE $where LIMIT 1") ? "Record updating" : mysql_error());
  }
 }

本文来源：http://www.gdgbn.com/jintiangengxin/22410/