如何在yii2中使用chrmorandi\yii2 i2jasper

Question

这是我在控制器中的操作，但它给出了这个错误：

Your report has an error and couldn't be processed! 
Try to output the command: C:^^^\xampp^^^\htdocs^^^\pay^^^\vendor^^^\chrmorandi^^^\yii2-jasper^^^\src^^^\Jasper/../JasperStarter/bin/jasperstarter 
compile C:^^^\xampp^^^\htdocs^^^\pay/vendor/chrmorandi/yii2-jasper/examples/shipments_report.jrxml

//设置sample目录的别名

    Yii::setAlias('@example', '@vendor/chrmorandi/yii2-jasper/examples');

    /* @var $jasper Jasper */
    $jasper = Yii::$app->jasper;

    // Compile a JRXML to Jasper
    $jasper->compile(Yii::getAlias('@example') . '/shipments_report.jrxml')->execute();

    // Process a Jasper file to PDF and RTF (you can use directly the .jrxml)
    $jasper->process(
        Yii::getAlias('@example') . '/shipments_report.jasper', 
        ['php_version' => '7.1.11'],
        ['pdf', 'rtf'],
        false, 
        false 
    )->execute();

    // List the parameters from a Jasper file.
    $array = $jasper->listParameters(Yii::getAlias('@example') . '/shipments_report.jasper')->execute();

    // return pdf file
    Yii::$app->response->sendFile(Yii::getAlias('@example') . '/shipments_report.pdf');

Answer 1

设置别名时缺少@，请更改以下内容

Yii::setAlias('example', '@vendor/chrmorandi/yii2-jasper/examples');

至

Yii::setAlias('@example', '@vendor/chrmorandi/yii2-jasper/examples');