function SetValue($Index,$Value) //指定数据，跟在AddNew后执行;
    {
             if($this->NewEdit==0)
             {
                $this->nErr=1;
                $this->sErr="SetValue:请先执行AddNew()或者Edit()！";
                return;
             }
             if(is_int($Index))
             {
                 if($Index<0||$Index>$this->nCols)
                 {
                    $this->nErr=1;
                    $this->sErr="SetValue:插入不存在的列值！";
                    return;
                 }
                 $this->aNew[$Index]=$Value;
                 $tmpIn=$Index;
             }
             elseif(is_string($Index))
             {
                $Index=strtolower($Index);
                for($i=0;$i<$this->nCols;$i++)
                {
                    if($this->aFName[$i]==$Index)
                       break;
                }
                if($i==$this->nCols)
                {
                    $this->nErr=1;
                    $this->sErr="SetValue:插入不存在的列值！";
                    return;
                 }
                 $this->aNew[$i]=$Value;
                 $tmpIn=$i;
             }
                 if(!empty($this->sName))
                    $this->sName.=",";
                 $this->sName.=$this->aFName[$tmpIn];
                 //根据当前字段的类型生成相应的新值
                 if($this->sValue!="#@!")
                    $this->sValue.=",";
                 else
                    $this->sValue="";
                 $ftype=@sql/Index.html'>mysql_field_type($this->nResult,$i);
                 //echo($ftype.",".$this->aNew[$i].",".$i.":".$sValue."
");
                
                 switch($ftype)
                 {
                  case "string":
                  case "date":
                  case "datetime":
                        $this->sValue.="\"".$this->aNew[$tmpIn]."\"";
                        $this->sEdit="\"".$this->aNew[$tmpIn]."\"";
                        break;
                  case "int":
                  case "unknown":
                       $this->sValue.=$this->aNew[$tmpIn];
                       $this->sEdit=$this->aNew[$tmpIn];
                       break;
                  default:
                       $this->nErr=1;
                       $this->sErr="Update:字段名为".$this->aFName[$tmpIn]."的".$ftype."类型目前版本不支持，请用别的方法添加数据！";
                       return;
                 }

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