php csv操作类代码

　　require "./include/csvdatafile.php";

　　set_time_limit(200);

　　header("Content-type: application/RFC822");

　　header('Content-Disposition: attachment; filename=export.csv');

　　$arr_export_titles = array("学生编号","学号","学生姓名");

　　$csvfile = new csvDataFile("", ",", "w");

　　echo $csvfile->printline($arr_export_titles);

　　//方法一

　　$print_data1[] = 1;

　　$print_data1[] = "039413301";

　　$print_data1[] = "张三";

　　echo $csvfile->printline($print_data1);

　　$print_data2[] = 2;

　　$print_data2[] = "039413302";

　　$print_data2[] = "李四";

　　echo $csvfile->printline($print_data2);

　　$print_data3[] = 3;

　　$print_data3[] = "039413303";

　　$print_data3[] = "王五";

　　echo $csvfile->printline($print_data3);

　　//方法二

　　$print_data[1][] = 1;

　　$print_data[1][] = "039413301";

　　$print_data[1][] = "张三";

　　$print_data[2][] = 2;

　　$print_data[2][] = "039413302";

　　$print_data[2][] = "李四";

　　$print_data[3][] = 3;

　　$print_data[3][] = "039413303";

　　$print_data[3][] = "王五";

　　echo $csvfile->printcsv($print_data);

　　require "./include/csvdatafile.php";

　　$filename = "E:/development/csvfile/datefile.csv";

　　// Read file source

　　$handle = fopen($filename, "r");

　　$contents = fread($handle, filesize($filename));

　　fclose($handle);

　　// format content for special chars

　　$contents = @addslashes($contents);

　　$contents = @str_replace('\,', '\ ,', $contents);

　　$contents = @stripslashes($contents);

　　// Write to new file

　　$handle = @fopen($filename, "w");

　　@fwrite($handle, $contents);

　　@fclose($handle);

　　$fd = @fopen($filename, "rb");

　　$first_line = str_replace(' ,',',',str_replace('"','',trim(@fgets($fd, 1000)))) ;

　　@fclose($fd);

　　if($first_line != "学生编号,学号,学生姓名") {

　　$pass = false;

　　}

　　if($pass){

　　$csv = new csvDataFile($filename);

　　while($csv->next_Row()) {

　　$userid = trim($csv->f('学生编号'));

　　$classno = trim($csv->f('学号'));

　　$username = trim($csv->f('学生姓名'));

　　}

　　}