这是我的堆栈跟踪:
Exception 'yii\db\Exception' with message 'could not find driver'
in /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/db/Connection.php:534
#0 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/db/Connection.php(836): yii\db\Connection->open()
#1 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/db/Connection.php(823): yii\db\Connection->getMasterPdo()
#2 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/db/Command.php(208): yii\db\Connection->getSlavePdo()
#3 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/db/Command.php(816): yii\db\Command->prepare(true)
#4 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/db/Command.php(350): yii\db\Command->queryInternal('fetchAll', NULL)
#5 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/db/mysql/Schema.php(198): yii\db\Command->queryAll()
#6 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/db/mysql/Schema.php(97): yii\db\mysql\Schema->findColumns(Object(yii\db\TableSchema))
#7 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/db/Schema.php(140): yii\db\mysql\Schema->loadTableSchema('migration')
#8 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/console/controllers/MigrateController.php(121): yii\db\Schema->getTableSchema('{{%migration}}', true)
#9 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/console/controllers/BaseMigrateController.php(610): yii\console\controllers\MigrateController->getMigrationHistory(NULL)
#10 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/console/controllers/BaseMigrateController.php(102): yii\console\controllers\BaseMigrateController->getNewMigrations()
#11 [internal function]: yii\console\controllers\BaseMigrateController->actionUp(0)
#12 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/base/InlineAction.php(55): call_user_func_array(Array, Array)
#13 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/base/Controller.php(151): yii\base\InlineAction->runWithParams(Array)
#14 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/console/Controller.php(91): yii\base\Controller->runAction('', Array)
#15 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/base/Module.php(455): yii\console\Controller->runAction('', Array)
#16 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/console/Application.php(161): yii\base\Module->runAction('migrate', Array)
#17 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/console/Application.php(137): yii\console\Application->runAction('migrate', Array)
#18 /opt/lampp/htdocs/advanced/vendor/yiisoft/yii2/base/Application.php(375): yii\console\Application->handleRequest(Object(yii\console\Request))
#19 /opt/lampp/htdocs/advanced/yii(31): yii\base\Application->run()
#20 …<div id="user" class="user">akhilreddy</div>
<div id="user" class="user">subodh</div>
我很多元素,但只显示两个,当我点击div我希望该div内的文本在警告框中显示.
谢谢