~~~ const WATER_NORTHWEST = 1; //常量，标识左上角水印 const WATER_NORTH = 2; //常量，标识上居中水印 const WATER_NORTHEAST = 3; //常量，标识右上角水印 const WATER_WEST = 4; //常量，标识左居中水印 const WATER_CENTER = 5; //常量，标识居中水印 const WATER_EAST = 6; //常量，标识右居中水印 const WATER_SOUTHWEST = 7; //常量，标识左下角水印 const WATER_SOUTH = 8; //常量，标识下居中水印 const WATER_SOUTHEAST = 9; //常量，标识右下角水印 function mark_pic($imgurl){ $image = \think\Image::open($imgurl); $source='./header_logo.png'; return $image->water($source,\think\Image::WATER_SOUTHEAST,80)->save($imgurl); } ~~~