原生php导出excle

   //连接数据库
           @$link = mysql_connect("localhost","appsf007","b2h#jz!K");
           //链接数据库不成功，抛出错误
           if(!$link){
               die('Could not connect: ' . mysql_error());
           }
           //选择数据库
           mysql_select_db("appsf007", $link);
           //设置字符集为utf-8
           mysql_query("set names 'utf8'");
           //设置脚本最大执行时间（默认为30秒）
           set_time_limit(100);
           //设置时区为中国
           date_default_timezone_set("PRC");
           //屏蔽Notice错误
//$order = M('order');
$ks_time = I('ks_time');
$js_time = I('js_time');

//输出Excel文件头，可把user.csv换成你要的文件名

// 从数据库中获取数据，为了节省内存，不要把数据一次性读到内存，从句柄中一行一行读即可
if($ks_time && $js_time){
// $sql = "select * from al_order where addtime between '{$ks_time}' and 2100-1-1";
$sql = "SELECT order_id,order_num,user_name,mobile,order_name,order_type,order_zhifubao,f_order_time,s_order_time,order_amount,state FROM nv_order WHERE f_order_time BETWEEN '{$ks_time}' AND '{$js_time}'";
// echo $sql;

}else if($ks_time){
$sql = "SELECT order_id,order_num,user_name,mobile,order_name,order_type,order_zhifubao,f_order_time,s_order_time,order_amount,state FROM nv_order WHERE f_order_time BETWEEN '{$ks_time}' AND '2100-01-01'";
// echo $sql;
}else{
$sql = "SELECT order_id,order_num,user_name,mobile,order_name,order_type,order_zhifubao,f_order_time,s_order_time,order_amount,state FROM nv_order WHERE 1 = 1";
       //echo $sql;
}

$is = mysql_query($sql);
$row_row = mysql_fetch_assoc($is);

if(!$row_row){
$this->error('没有数据');
}

header('Content-Type: application/vnd.ms-excel');
header('Content-Disposition: attachment;filename="order.csv"');
header('Cache-Control: max-age=0');
// 打开PHP文件句柄，php://output 表示直接输出到浏览器
$fp = fopen('php://output', 'a');
// 输出Excel列名信息
$head = array('序号','订单号','昵称','手机号','订单名称','支付方式','支付宝交易号','交易起始时间','交易结束时间','充值金额','是否交易成功');
foreach ($head as $i => $v) {
// CSV的Excel支持GBK编码，一定要转换，否则乱码
$head[$i] = iconv('utf-8', 'gbk', $v);
}
// 将数据通过fputcsv写到文件句柄
fputcsv($fp, $head);
// 计数器
$cnt = 0;
$num = 0;
// 每隔$limit行，刷新一下输出buffer，不要太大，也不要太小
$limit = 100000;
// //逐行取出数据，不浪费内存
$query = mysql_query($sql);
while ($row = mysql_fetch_assoc($query)) {
$cnt ++;
if ($limit == $cnt) { //刷新一下输出buffer，防止由于数据过多造成问题
ob_flush();
flush();
$cnt = 0;
}

if($row['type'] != 693){ //693是推荐表删除的数据

$num ++;
$row['order_id'] = $num; /// 把order_id变成排序
$row['order_amount'] = '￥'.$row['order_amount'];
$row['order_zhifubao'] = '‘'.$row['order_zhifubao'];
if($row["state"] == 1){
$row["state"] = '交易成功';
}else{
$row["state"] = '交易失败';
}
unset($row['type']); //不要删除
$new_row = $this->toIndexArr($row);
}

foreach ($new_row as $i => $v) {
$new_row[$i] = iconv('utf-8', 'gbk', $v);
}

fputcsv($fp, $new_row);
}
}

//关联变索引数组不要删除
function toIndexArr($arr){
$i=0;
foreach($arr as $key => $value){
$newArr[$i] = $value;
$i++;
}
return $newArr;
}

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