未捕获的错误：调用未定义的方法PHPExcel :: sheetNameExists（）
我得到这个错误，当我尝试生成一个Excel文档，谁知道这个错误来自哪里？
致命错误：未捕获错误：调用未定义的方法PHPExcel :: sheetNameExists（）在/public_html/docs/PHP/PHPExcel/Worksheet.php:835堆栈跟踪：＃0 /public_html/docs/PHP/PHPExcel/Worksheet.php(337 ）：PHPExcel_Worksheet-> setTitle（'Worksheet'，false）＃1 /public_html/docs/PHP/PHPExcel.php(108）：PHPExcel_Worksheet – > __ construct（Object（PHPExcel））＃2 /public_html/docs/SendDocument.php（ 33）：在835行的/public_html/docs/PHP/PHPExcel/Worksheet.php中抛出的PHPExcel – > __ construct（）＃3 {main}
<?php //Excel Data $Spo = $_SESSION["spo"]; $Cont = $_SESSION["contractNum"]; $Site = $_SESSION["siteMan"]; $Job = $_SESSION["jtd"]; $ObBrief = $_SESSION["ob_Des"]; $ObAgreed = $_SESSION["ob_Act"]; $ObDate = $_SESSION["date1"]; $GoBrief = $_SESSION["good_Des"]; $GoAgreed = $_SESSION["good_Act"]; $GoDate = $_SESSION["date2"]; $FeBrief = $_SESSION["fe_Des"]; $FeAgreed = $_SESSION["fe_Act"]; $FeDate = $_SESSION["date3"]; $Q1 = ''; $Q2 = ''; $Q3 = ''; $Q4 = ''; $Q5 = ''; $Q6 = ''; $Q7 = ''; $Q8 = ''; $Q9 = ''; $Q10 = ''; $Add = $_SESSION["addCom"]; $Name = $_SESSION["name"]; $Title = $_SESSION["title"]; $Date = $_SESSION["date4"]; Include_once 'PHP/PHPExcel.php'; $objPHPExcel = new PHPExcel(); $activeSheet = $objPHPExcel->getActiveSheet(); $objPHPExcel->getActiveSheet()->setTitle('Senior Managers Site Tour'); $objPHPExcel->getActiveSheet()->getColumnDimension('A')->setWidth(5); $styleArray = array( 'borders' => array( 'allborders' => array( 'style' => PHPExcel_Style_Border::BORDER_THIN ) ) ); //Set Up $activeSheet->setCellValue('E1','Senior Managers Site Tour'); $objPHPExcel->getActiveSheet()->getStyle('A1:N70')->applyFromArray($styleArray); $objPHPExcel->getActiveSheet()->mergeCells('A1:A70'); $objPHPExcel->getActiveSheet()->mergeCells('N1:N70'); $objPHPExcel->getActiveSheet()->getStyle('B6:M68')->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_TOP); $titleArray = array( 'font' => array( 'bold' => true, 'size' => 32, )); $styleTitleAlign = array( 'alignment' => array( 'horizontal' => PHPExcel_Style_Alignment::HORIZONTAL_CENTER, ) ); //Title $objPHPExcel->getActiveSheet()->mergeCells('B1:D4'); $objPHPExcel->getActiveSheet()->mergeCells('E1:M4'); $objPHPExcel->getActiveSheet()->mergeCells('B5:M5'); $objPHPExcel->getActiveSheet()->getStyle('E1')->applyFromArray($titleArray); $objPHPExcel->getActiveSheet()->getStyle('E1')->applyFromArray($styleTitleAlign); //Basic Information $objPHPExcel->getActiveSheet()->mergeCells('B6:D6'); $objPHPExcel->getActiveSheet()->mergeCells('E6:G6'); $objPHPExcel->getActiveSheet()->mergeCells('H6:J6'); $objPHPExcel->getActiveSheet()->mergeCells('K6:M6'); $objPHPExcel->getActiveSheet()->mergeCells('B7:D7'); $objPHPExcel->getActiveSheet()->mergeCells('E7:M7'); $objPHPExcel->getActiveSheet()->mergeCells('B8:D8'); $objPHPExcel->getActiveSheet()->mergeCells('E8:M8'); $objPHPExcel->getActiveSheet()->mergeCells('B9:M10'); $activeSheet->setCellValue('B6','Site / Project / Object:'); $activeSheet->setCellValue('E6', $Spo); $activeSheet->setCellValue('H6','Contract Number:'); $activeSheet->setCellValue('K6',$Cont); $activeSheet->setCellValue('B7','Site Manager:'); $activeSheet->setCellValue('E7',$Site); $activeSheet->setCellValue('B8','Job / Task Description:'); $activeSheet->setCellValue('E8',$Job); //Observation $objPHPExcel->getActiveSheet()->mergeCells('B11:M11'); $objPHPExcel->getActiveSheet()->mergeCells('B12:E12'); $objPHPExcel->getActiveSheet()->mergeCells('F12:I12'); $objPHPExcel->getActiveSheet()->mergeCells('J12:M12'); $objPHPExcel->getActiveSheet()->mergeCells('B13:E17'); $objPHPExcel->getActiveSheet()->mergeCells('F13:I17'); $objPHPExcel->getActiveSheet()->mergeCells('J13:M17'); $objPHPExcel->getActiveSheet()->mergeCells('B18:M19'); $activeSheet->setCellValue('B11','OBSERVATION (areas where improvement can be made).'); $activeSheet->setCellValue('B12','Brief Description:'); $activeSheet->setCellValue('B13',$ObBrief); $activeSheet->setCellValue('F12','Agreed Action:'); $activeSheet->setCellValue('F13',$ObAgreed); $activeSheet->setCellValue('J12','Close Date:'); $activeSheet->setCellValue('J13',$ObDate); $objPHPExcel->getActiveSheet()->getStyle('B11')->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setRGB('D6D6D6'); //Good Practices $objPHPExcel->getActiveSheet()->mergeCells('B20:M20'); $objPHPExcel->getActiveSheet()->mergeCells('B21:E21'); $objPHPExcel->getActiveSheet()->mergeCells('F21:I21'); $objPHPExcel->getActiveSheet()->mergeCells('J21:M21'); $objPHPExcel->getActiveSheet()->mergeCells('B22:E26'); $objPHPExcel->getActiveSheet()->mergeCells('F22:I26'); $objPHPExcel->getActiveSheet()->mergeCells('J22:M26'); $objPHPExcel->getActiveSheet()->mergeCells('B27:M28'); $activeSheet->setCellValue('B20','GOOD PRACTICES (Commendable acts and actions, Improvements, Innovations etc).'); $activeSheet->setCellValue('B21','Brief Description:'); $activeSheet->setCellValue('B22',$GoBrief); $activeSheet->setCellValue('F21','Agreed Action:'); $activeSheet->setCellValue('F22',$GoAgreed); $activeSheet->setCellValue('J21','Close Date:'); $activeSheet->setCellValue('J22',$GoDate); $objPHPExcel->getActiveSheet()->getStyle('B20')->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setRGB('D6D6D6'); //Feedback Given & Received $objPHPExcel->getActiveSheet()->mergeCells('B29:M29'); $objPHPExcel->getActiveSheet()->mergeCells('B30:E30'); $objPHPExcel->getActiveSheet()->mergeCells('F30:I30'); $objPHPExcel->getActiveSheet()->mergeCells('J30:M30'); $objPHPExcel->getActiveSheet()->mergeCells('B31:E35'); $objPHPExcel->getActiveSheet()->mergeCells('F31:I35'); $objPHPExcel->getActiveSheet()->mergeCells('J31:M35'); $objPHPExcel->getActiveSheet()->mergeCells('B36:M37'); $activeSheet->setCellValue('B29','FEEDBACK GIVEN & RECEIVED'); $activeSheet->setCellValue('B30','Brief Description:'); $activeSheet->setCellValue('B31',$FeBrief); $activeSheet->setCellValue('F30','Agreed Action:'); $activeSheet->setCellValue('F31',$FeAgreed); $activeSheet->setCellValue('J30','Close Date:'); $activeSheet->setCellValue('J31',$FeDate); $objPHPExcel->getActiveSheet()->getStyle('B29')->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setRGB('D6D6D6'); //General Impression $objPHPExcel->getActiveSheet()->mergeCells('B38:M38'); $objPHPExcel->getActiveSheet()->mergeCells('B39:G39'); $objPHPExcel->getActiveSheet()->mergeCells('H39:M39'); $objPHPExcel->getActiveSheet()->mergeCells('B40:G40'); $objPHPExcel->getActiveSheet()->mergeCells('H40:M40'); $objPHPExcel->getActiveSheet()->mergeCells('B41:M41'); $objPHPExcel->getActiveSheet()->mergeCells('B42:K42'); $objPHPExcel->getActiveSheet()->mergeCells('L42:M42'); $objPHPExcel->getActiveSheet()->mergeCells('B43:K43'); $objPHPExcel->getActiveSheet()->mergeCells('L43:M43'); $objPHPExcel->getActiveSheet()->mergeCells('B44:K44'); $objPHPExcel->getActiveSheet()->mergeCells('L44:M44'); $objPHPExcel->getActiveSheet()->mergeCells('B45:K45'); $objPHPExcel->getActiveSheet()->mergeCells('L45:M45'); $objPHPExcel->getActiveSheet()->mergeCells('B46:K46'); $objPHPExcel->getActiveSheet()->mergeCells('L46:M46'); $objPHPExcel->getActiveSheet()->mergeCells('B47:M47'); $objPHPExcel->getActiveSheet()->mergeCells('B48:K48'); $objPHPExcel->getActiveSheet()->mergeCells('L48:M48'); $objPHPExcel->getActiveSheet()->mergeCells('B49:K49'); $objPHPExcel->getActiveSheet()->mergeCells('L49:M49'); $objPHPExcel->getActiveSheet()->mergeCells('B50:K50'); $objPHPExcel->getActiveSheet()->mergeCells('L50:M50'); $objPHPExcel->getActiveSheet()->mergeCells('B51:K51'); $objPHPExcel->getActiveSheet()->mergeCells('L51:M51'); $objPHPExcel->getActiveSheet()->mergeCells('B52:K52'); $objPHPExcel->getActiveSheet()->mergeCells('L52:M52'); $objPHPExcel->getActiveSheet()->mergeCells('B53:M54'); $activeSheet->setCellValue('B38','GENERAL IMPRESSION'); $activeSheet->setCellValue('B39','1 = No evidence / poor / no understanding'); $activeSheet->setCellValue('H39','2 = Some evidence / understanding / not consistent'); $activeSheet->setCellValue('B40','3 = Requirements in place / basic unerstanding'); $activeSheet->setCellValue('H40','4 = Detailed understanding / more than minimum standards'); $objPHPExcel->getActiveSheet()->getStyle('B38')->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setRGB('D6D6D6'); $activeSheet->setCellValue('B41','CULTURE'); $activeSheet->setCellValue('B42','Is the CDP obvious - You Said / We Did Boards; Feedback Stations; Posters?:'); $activeSheet->setCellValue('L42',$Q1); $activeSheet->setCellValue('B43','Are there any Speak Up Coaches on this site?'); $activeSheet->setCellValue('L43',$Q2); $activeSheet->setCellValue('B44','Are Focus Leader meetings happening?:'); $activeSheet->setCellValue('L44',$Q3); $activeSheet->setCellValue('B45','Mention the Mental Tools, do people understand them?:'); $activeSheet->setCellValue('L45',$Q4); $activeSheet->setCellValue('B46','Ask what "Never Harm" means to the teams:'); $activeSheet->setCellValue('L46',$Q5); $objPHPExcel->getActiveSheet()->getStyle('B41')->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setRGB('D6D6D6'); $activeSheet->setCellValue('B47','SYSTEM'); $activeSheet->setCellValue('B48','Are first impressions good, site signage, induction etc?:'); $activeSheet->setCellValue('L48',$Q6); $activeSheet->setCellValue('B49','Is the site tidy, well laid out etc?:'); $activeSheet->setCellValue('L49',$Q7); $activeSheet->setCellValue('B50','Are morning briefings / daily risk assessment carried out?:'); $activeSheet->setCellValue('L50',$Q8); $activeSheet->setCellValue('B51','Have all the team been briefed & signed onto the RAMS?:'); $activeSheet->setCellValue('L51',$Q9); $activeSheet->setCellValue('B52','Ask what they would do if there was a change in the work activity ie not in RAMS?:'); $activeSheet->setCellValue('L52',$Q10); $objPHPExcel->getActiveSheet()->getStyle('B47')->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setRGB('D6D6D6'); //Comments $objPHPExcel->getActiveSheet()->mergeCells('B55:M55'); $objPHPExcel->getActiveSheet()->mergeCells('B56:M63'); $objPHPExcel->getActiveSheet()->mergeCells('B64:M65'); $activeSheet->setCellValue('B55','Additional Comments:'); $activeSheet->setCellValue('B56',$Add); $objPHPExcel->getActiveSheet()->getStyle('B55')->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setRGB('D6D6D6'); //Completed By $objPHPExcel->getActiveSheet()->mergeCells('B66:M66'); $objPHPExcel->getActiveSheet()->mergeCells('B67:C67'); $objPHPExcel->getActiveSheet()->mergeCells('D67:G67'); $objPHPExcel->getActiveSheet()->mergeCells('H67:I67'); $objPHPExcel->getActiveSheet()->mergeCells('J67:M67'); $objPHPExcel->getActiveSheet()->mergeCells('B68:C68'); $objPHPExcel->getActiveSheet()->mergeCells('D68:G68'); $objPHPExcel->getActiveSheet()->mergeCells('H68:M68'); $objPHPExcel->getActiveSheet()->mergeCells('B69:M70'); $activeSheet->setCellValue('B66','COMPLETED BY'); $activeSheet->setCellValue('B67','Name:'); $activeSheet->setCellValue('D67',$Name); $activeSheet->setCellValue('H67','Title:'); $activeSheet->setCellValue('J67',$Title); $activeSheet->setCellValue('B68','Date:'); $activeSheet->setCellValue('D68',$Date); $objPHPExcel->getActiveSheet()->getStyle('B66')->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID)->getStartColor()->setRGB('D6D6D6'); $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5'); $objWriter->save('Senior Managers Site Tour.xls'); ?> 似乎正在使用错误的PHPExcel版本，你需要重新安装库
看到[这个答案]了解更多细节。
调查
在GitHub上通过PHPExcel存储库进行代码追踪之后，可以进行以下观察：
当PHPExcel实例化时，构造函数使用一个Worksheet构build工作表数组。
// Initialise worksheet collection and add one worksheet $this->workSheetCollection = array(); $this->workSheetCollection[] = new PHPExcel_Worksheet($this);
请注意， Worksheet在实例化时将PHPExcel实例获取到其构造函数中。 而这个对象被分配给Worksheet的属性parent ：
public function __construct(PHPExcel $pParent = null, $pTitle = 'Worksheet') { // Set parent and title $this->parent = $pParent; ...
现在，我们看到从Worksheet调用setTitle方法：
$objPHPExcel->getActiveSheet()->setTitle('Senior Managers Site Tour');
在setTitle里面有以下代码：
if ($this->parent) { // Is there already such sheet name? if ($this->parent->sheetNameExists($pValue)) { ...
这里抛出exception。
我们可以清楚地看到PHPExcel代码中存在的方法，我们可以看到父类被正确识别为这个类的成员。 所以唯一的结论是PHPExcel.php错误版本被使用 。 这个缺失的function只是在1.8join的。