public function getPic(){
 header('Content-Type: text/html; charset=utf-8');
 $text = '中粮屯河（sh600737）';//中粮屯河（sh600737）
 $watermark = '305988103123zczcxzas';
 $len = strlen($text);
 $width = 10.5*(($len-8)/3*2+8);
 $height = 26;
 $imagick = new Imagick();
 $color_transparent = new ImagickPixel('#ffffff'); //transparent 透明色
 $imagick->newImage($width, $height, $color_transparent, 'jpg');
 //$imagick->borderimage('#000000', 1, 1);
 $style['font_size'] = 12;
 $style['fill_color'] = '#000000';
 for($num= strlen($watermark); $num>=0; $num--){
  $this->add_text($imagick,substr($watermark, $num,1), 2+($num*8), 30, 1,$style);
  $this->add_text($imagick,substr($watermark, $num,1), 2+($num*8), 5, 1,$style);
 }
 //return;
 $style['font_size'] = 20;
 $style['fill_color'] = '#FF0000';
 $style['font'] = './msyh.ttf'; ///微软雅黑字体 解决中文乱码
 //$text=mb_convert_encoding($text,'UTF-8'); //iconv("GBK","UTF-8//IGNORE",$text);
 $this->add_text($imagick,$text, 2, 20, 0,$style);
 header ( 'Content-type: ' . strtolower ($imagick->getImageFormat ()) );
 echo $imagick->getImagesBlob ();
}
// 添加水印文字
public function add_text(& $imagick, $text, $x = 0, $y = 0, $angle = 0, $style = array()) {
 $draw = new ImagickDraw ();
 if (isset ( $style ['font'] ))
  $draw->setFont ( $style ['font'] );
 if (isset ( $style ['font_size'] ))
  $draw->setFontSize ( $style ['font_size'] );
 if (isset ( $style ['fill_color'] ))
  $draw->setFillColor ( $style ['fill_color'] );
 if (isset ( $style ['under_color'] ))
  $draw->setTextUnderColor ( $style ['under_color'] );
 if (isset ( $style ['font_family'] ))
  $draw->setfontfamily( $style ['font_family'] );
 if (isset ( $style ['font'] ))
  $draw->setfont($style ['font'] );
 $draw->settextencoding('UTF-8');
 if (strtolower ($imagick->getImageFormat ()) == 'gif') {
  foreach ( $imagick as $frame ) {
  $frame->annotateImage ( $draw, $x, $y, $angle, $text );
  }
 } else {
  $imagick->annotateImage ( $draw, $x, $y, $angle, $text );
 }
}