背景

PHPExcel_1.8.0导入excel，遇到trim无法处理的空格。

解决方案

$excelVal = preg_replace(“/(\s| | |\xc2\xa0)/”, ‘’, $excelVal);

完整代码

thinkphp5代码

function readExcel($file)
{require_once EXTEND_PATH . 'PHPExcel_1.8.0/Classes/PHPExcel.php';$reader = new PHPExcel_Reader_Excel2007();if (!$reader->canRead($file)) {$reader = new PHPExcel_Reader_Excel5();if (!$reader->canRead($file))exit(json_encode(['status' => 0, 'msg' => '请选择Excel文件']));}return $reader->load($file);
}$excel = readExcel($_FILES['file']['tmp_name']);$sheet = $excel->getSheet(0);
$maxRow = $sheet->getHighestRow();
$maxCol = $sheet->getHighestColumn();
if ($maxRow < 1) {output(0, 'EXCEL里面没有内容');
}$rs = array();
for ($nowRow = 0; $nowRow < $maxRow; $nowRow++) {for ($nowCol = 0; $nowCol < Helper::xyChange($maxCol); $nowCol++) {$address = Helper::xyChange($nowCol + 1) . ($nowRow + 1);$excelVal = trim($sheet->getCell($address)->getValue());$excelVal = str_replace("\n", '', $excelVal);// 去除带空格，而trim去不掉的情况$excelVal = preg_replace("/(\s|\&nbsp\;| |\xc2\xa0)/", '', $excelVal);$rs[$nowRow][] = trim($excelVal);}
}/*** excel 坐标转换 (按需求,扩充)*/
public static function xyChange($var)
{$var = trim($var);$arr = array('A' => 1,'B' => 2,'C' => 3,'D' => 4,'E' => 5,'F' => 6,'G' => 7,'H' => 8,'I' => 9,'J' => 10,'K' => 11,'L' => 12,'M' => 13,'N' => 14,'O' => 15,'P' => 16,'Q' => 17,'R' => 18,'S' => 19,'T' => 20,'U' => 21,'V' => 22,'W' => 23,'X' => 24,'Y' => 25,'Z' => 26,'AA' => 27,'AB' => 28,'AC' => 29,'AD' => 30,'AE' => 31,'AF' => 32,'AG' => 33,'AH' => 34,'AI' => 35,'AJ' => 36,'AK' => 37,'AL' => 38,'AM' => 39,'AN' => 40,'AO' => 41,'AP' => 42,'AQ' => 43,'AR' => 44,'AS' => 45,'AT' => 46,'AU' => 47,'AV' => 48,'AW' => 49,'AX' => 50,'AY' => 51,'AZ' => 52,);if (is_numeric($var)) {foreach ($arr as $k => $v) {if ($v == $var) {return $k;}}return false;} else {if (isset($arr[$var])) {return $arr[$var];}return false;}
}