时间:2021-07-01 10:21:17 帮助过:20人阅读
CREATE TABLE `student` ( `id` int(11) NOT NULL auto_increment, `name` varchar(50) NOT NULL, `sex` varchar(10) NOT NULL, `age` smallint(3) NOT NULL default '0', PRIMARY KEY (`id`)) ENGINE=MyISAM DEFAULT CHARSET=utf8;
include_once ("connect.php"); //连接数据库$action = $_GET['action'];if ($action == 'import') { //导入CSV //导入处理} elseif ($action=='export') { //导出CSV //导出处理}
if ($action == 'import') { //导入CSV $filename = $_FILES['file']['tmp_name']; if (empty ($filename)) { echo '请选择要导入的CSV文件!'; exit; } $handle = fopen($filename, 'r'); $result = input_csv($handle); //解析csv $len_result = count($result); if($len_result==0){ echo '没有任何数据!'; exit; } for ($i = 1; $i < $len_result; $i++) { //循环获取各字段值 $name = iconv('gb2312', 'utf-8', $result[$i][0]); //中文转码 $sex = iconv('gb2312', 'utf-8', $result[$i][1]); $age = $result[$i][2]; $data_values .= "('$name','$sex','$age'),"; } $data_values = substr($data_values,0,-1); //去掉最后一个逗号 fclose($handle); //关闭指针 $query = mysql_query("insert into student (name,sex,age) values $data_values");//批量插入数据表中 if($query){ echo '导入成功!'; }else{ echo '导入失败!'; }}
function input_csv($handle) { $out = array (); $n = 0; while ($data = fgetcsv($handle, 10000)) { $num = count($data); for ($i = 0; $i < $num; $i++) { $out[$n][$i] = $data[$i]; } $n++; } return $out;}
...} elseif ($action=='export') { //导出CSV $result = mysql_query("select * from student order by id asc"); $str = "姓名,性别,年龄\n"; $str = iconv('utf-8','gb2312',$str); while($row=mysql_fetch_array($result)){ $name = iconv('utf-8','gb2312',$row['name']); //中文转码 $sex = iconv('utf-8','gb2312',$row['sex']); $str .= $name.",".$sex.",".$row['age']."\n"; //用引文逗号分开 } $filename = date('Ymd').'.csv'; //设置文件名 export_csv($filename,$str); //导出}
function export_csv($filename,$data) { header("Content-type:text/csv"); header("Content-Disposition:attachment;filename=".$filename); header('Cache-Control:must-revalidate,post-check=0,pre-check=0'); header('Expires:0'); header('Pragma:public'); echo $data;}