public function scoreImg($scope, $course)
{
$data = $this->scoreAll($scope, $course);
//宽度
$imgWidth = $headBoxWidth = $dataBoxWidth = 720;
//标题高度
$headBoxHeight = 80;
//数据行高度
$dataBoxHeight = 60;
//整体高度
$imgHeight = $headBoxHeight + (count($data) + 2) * $dataBoxHeight;
//创建图像
$im = imagecreate($imgWidth, $imgHeight);
//图片字体设置
$font = Config::BASE_PATH . Config::FONT_PATH;
//定义颜色
$headBoxColor = ImageColorAllocate($im, 217, 237, 247);
$headFontColor = ImageColorAllocate($im, 91, 192, 222);
$titleBoxColor = ImageColorAllocate($im, 223, 240, 216);
$oddBoxColor = ImageColorAllocate($im, 245, 245, 245);
$evenBoxColor = ImageColorAllocate($im, 255, 255, 255);
$failBoxColor = ImageColorAllocate($im, 242, 222, 222);
$markBoxColor = ImageColorAllocate($im, 217, 237, 247);
$dataFontColor = ImageColorAllocate($im, 51, 51, 51);
//headBox
imagefilledrectangle($im, 0, 0, $headBoxWidth, $headBoxHeight, $headBoxColor);
//head
$head = ($scope == 'class' ? $this->class : $this->major) . ' ';
if (strlen($course) > 15 * 3) {
$head .= substr($course, 0, 14 * 3) . '...';
} else {
$head .= $course;
}
$headFontSize = 20;
$headSize = ImageTTFBBox($headFontSize, 0, $font, $head);
$headWidth = $headSize[2] - $headSize[0];
$headHeight = $headSize[1] - $headSize[5];
$headOffsetX = -$headSize[0];
$headOffsetY = -$headSize[5];
$headX = (int) ($headBoxWidth - $headWidth) / 2 + $headOffsetX;
$headY = (int) ($headBoxHeight - $headHeight) / 2 + $headOffsetY;
ImageTTFText($im, $headFontSize, 0, $headX, $headY, $headFontColor, $font, $head);
//成绩排序
usort($data, function ($a, $b) {
return \Hnust\scoreCompare($a['score'], $b['score']);
});
//数据填充
for ($i = -1; $i <= count($data); $i++) {
//单双行背景
if ($i % 2) {
$dataBoxColor = $oddBoxColor;
} else {
$dataBoxColor = $evenBoxColor;
}
if ($i == -1) {
$dataBoxColor = $titleBoxColor;
$row = array('学号', '姓名', '分数');
} else {
if ($i == count($data)) {
$dataBoxColor = $markBoxColor;
$row = array('注：带*的为补考；By:Tick网络工作室');
} else {
$score = $data[$i]['score'];
//不及格红色标记
if (is_numeric($score) && $score < 60 || $score == '不及格' || empty($score)) {
$dataBoxColor = $failBoxColor;
}
//补考加×号
if ($data[$i]['resit']) {
$score .= '*';
}
$row = array($data[$i]['sid'], $data[$i]['name'], $score);
}
}
//填充一行背景色
$dataBoxOffsetHeight = $headBoxHeight + ($i + 1) * $dataBoxHeight;
imagefilledrectangle($im, 0, $dataBoxOffsetHeight, $dataBoxWidth, $dataBoxOffsetHeight + $dataBoxHeight, $dataBoxColor);
//填入一行数据
for ($j = 0; $j < count($row); $j++) {
$dataFontSize = 16;
$dataSize = ImageTTFBBox($dataFontSize, 0, $font, $row[$j]);
$dataWidth = $dataSize[2] - $dataSize[0];
$dataHeight = $dataSize[1] - $dataSize[5];
$dataOffsetX = -$dataSize[0];
$dataOffsetY = $headBoxHeight + ($i + 1) * $dataBoxHeight - $dataSize[5];
$dataX = (int) ($dataBoxWidth / count($row) - $dataWidth) / 2 + $dataBoxWidth / count($row) * $j + $dataOffsetX;
$dataY = (int) ($dataBoxHeight - $dataHeight) / 2 + $dataOffsetY;
ImageTTFText($im, $dataFontSize, 0, $dataX, $dataY, $dataFontColor, $font, $row[$j]);
}
}
//输出下载
$fileName = ($scope == 'class' ? $this->class : $this->major) . "_{$course}.png";
header('Content-type: image/png');
header("Content-Disposition: attachment; filename={$fileName}");
ImagePng($im);
ImageDestroy($im);
exit;
}
public function getRank($term, $scope, $by)
{
//获取学生信息
$sql = 'SELECT `class`, `major`, `grade`, `school` FROM `student` WHERE `sid` = ? LIMIT 1';
$result = Mysql::execute($sql, array($this->sid));
$this->class = $result[0]['class'];
$this->major = $result[0]['major'];
$this->grade = $result[0]['grade'];
$this->school = $result[0]['school'];
//sql语句及sql数组
if ('class' === $scope) {
$sql = "SELECT `a`.`sid`, `a`.`name`, `a`.`class`, `a`.`major`,\n IF(`b`.`score` IS NULL, '[]', `b`.`score`) `score`\n FROM `student` `a`\n LEFT JOIN `score` `b` ON `a`.`sid` = `b`.`sid`\n WHERE `a`.`class` = ?";
$students = Mysql::execute($sql, array($this->class));
$this->title = $this->class . $term . ($by == 'term' ? '学期排名' : '学年排名');
$this->rankName = $this->class;
} else {
$sql = "SELECT `a`.`sid`, `a`.`name`, `a`.`class`, `a`.`major`,\n IF(`b`.`score` IS NULL, '[]', `b`.`score`) `score`\n FROM `student` `a`\n LEFT JOIN `score` `b` ON `a`.`sid` = `b`.`sid`\n WHERE `a`.`major` = ? AND `a`.`grade` = ? AND `a`.`school` = ?";
$students = Mysql::execute($sql, array($this->major, $this->grade, $this->school));
$this->title = $this->major . $term . ($by == 'term' ? '学期排名' : '学年排名');
$this->rankName = $this->major;
}
//选择要排名的学期及成绩
$this->terms = array();
$rankCourse = array();
for ($i = 0; $i < count($students); $i++) {
$score = @json_decode($students[$i]['score'], true);
$rankScore = array();
//统计学期和获取待排名成绩
foreach ($score as $scoreTerm => $termScore) {
//区分学期排名与学年排名
$tempTerm = $by != 'term' ? substr($scoreTerm, 0, 9) : $scoreTerm;
//统计学期
for ($j = 0; $j < count($this->terms); $j++) {
if ($this->terms[$j] == $tempTerm) {
break;
}
}
if ($j == count($this->terms)) {
$this->terms[$j] = $tempTerm;
}
//去除补考
for ($j = 0; $j < count($score[$scoreTerm]); $j++) {
if ($score[$scoreTerm][$j]['resit'] == true) {
array_splice($score[$scoreTerm], $j--, 1);
}
}
//获取待排名成绩
if ($term == $tempTerm) {
$rankScore = array_merge($rankScore, $score[$scoreTerm]);
}
}
//遍历待排名所有成绩
for ($j = 0; $j < count($rankScore); $j++) {
//统计科目
for ($k = 0; $k < count($rankCourse); $k++) {
if ($rankScore[$j]['course'] == $rankCourse[$k]['course']) {
break;
}
}
if ($k == count($rankCourse) && !empty($rankScore[$j]['credit'])) {
$rankCourse[$k] = array('course' => $rankScore[$j]['course'], 'mode' => $rankScore[$j]['mode'], 'credit' => $rankScore[$j]['credit'], 'count' => 1);
} elseif ($k != count($rankCourse)) {
$rankCourse[$k]['count']++;
}
//遍历其他成绩
foreach ($score as $termScore) {
for ($k = 0; $k < count($termScore); $k++) {
//取科目最高分
if ($rankScore[$j]['course'] == $termScore[$k]['course'] && \Hnust\scoreCompare($rankScore[$j]['mark'], $termScore[$k]['mark'])) {
$rankScore[$j]['mark'] = $termScore[$k]['mark'];
}
}
}
}
$students[$i]['rankScore'] = $rankScore;
}
//删除选修等科目
for ($i = 0; $i < count($rankCourse); $i++) {
if ($rankCourse[$i]['count'] < count($students) * 0.8) {
array_splice($rankCourse, $i--, 1);
}
}
//课程全部存入info数组
$this->courses = array();
for ($i = 0; $i < count($rankCourse); $i++) {
$this->courses[$i] = $rankCourse[$i]['course'];
}
//计算
for ($i = 0; $i < count($students); $i++) {
$courseMark = array();
$rankScore = $students[$i]['rankScore'];
$countFail = $countMark = $countCredit = $totalCredit = $countGpa = $countPoint = 0;
for ($j = 0; $j < count($rankCourse); $j++) {
//获取单科分数
$courseMark[$j] = 0;
for ($k = 0; $k < count($rankScore); $k++) {
if ($rankCourse[$j]['course'] == $rankScore[$k]['course'] && \Hnust\scoreCompare($courseMark[$j], $rankScore[$k]['mark'])) {
$courseMark[$j] = $rankScore[$k]['mark'];
}
}
//将等级制转换为分数
$tempMark = (double) str_replace(array('优', '良', '中', '及格', '不及格'), array(95.02, 84.02, 74.02, 60.02, 0), $courseMark[$j]);
//分数转化为对应绩点
$pointArray = array(90 => 4, 85 => 3.7, 82 => 3.3, 78 => 3.0, 75 => 2.7, 71 => 2.3, 66 => 2.0, 62 => 1.5, 60 => 1, 0 => 0);
foreach ($pointArray as $mark => $point) {
if ($mark <= $tempMark) {
$tempPoint = $point;
break;
}
}
$countFail += $tempMark >= 60 ? 0 : 1;
$countMark += $tempMark;
$countCredit += $tempMark >= 60 ? $rankCourse[$j]['credit'] : 0;
$totalCredit += $rankCourse[$j]['credit'];
$countGpa += $tempMark * $rankCourse[$j]['credit'];
$countPoint += $tempPoint * $rankCourse[$j]['credit'];
}
$avgMark = count($rankCourse) ? round($countMark / count($rankCourse), 2) : 0;
$countMark = round($countMark, 2);
$countCredit = round($countCredit, 2);
$avgGpa = $totalCredit ? round($countGpa / $totalCredit, 2) : 0;
$avgPoint = $totalCredit ? round($countPoint / $totalCredit, 2) : 0;
$rank[] = array('name' => $students[$i]['name'], 'sid' => $students[$i]['sid'], 'course' => $courseMark, 'countFail' => $countFail, 'avgMark' => $avgMark, 'countMark' => $countMark, 'countCredit' => $countCredit, 'avgGpa' => $avgGpa, 'avgPoint' => $avgPoint);
}
//名次排序
usort($rank, function ($a, $b) {
$re = $a['avgGpa'] == $b['avgGpa'] ? $a['sid'] < $b['sid'] : $a['avgGpa'] > $b['avgGpa'];
return $re ? -1 : 1;
});
for ($i = 0; $i < count($rank); $i++) {
$rank[$i]['rank'] = $i + 1;
}
return $rank;
}