PC端答题优化

@@ -482,7 +482,7 @@ class Exam extends Api
                 if($correct == $answer){
                 if($correct == $answer){
                     Db::name('answer_detail')->where('id',$data['id'])->update(['answer'=>$answer,'score'=>$study['dan_score']]);
                     Db::name('answer_detail')->where('id',$data['id'])->update(['answer'=>$answer,'score'=>$study['dan_score']]);
                 }else{
                 }else{
-                    Db::name('answer_detail')->where('id',$data['id'])->update(['answer'=>$answer]);
+                    Db::name('answer_detail')->where('id',$data['id'])->update(['answer'=>$answer,'score'=>0]);
                 }
                 }
                 //算出总得分
                 //算出总得分
                 $score = Db::name('answer_detail')
                 $score = Db::name('answer_detail')
@@ -518,9 +518,9 @@ class Exam extends Api
                     $correct = explode(',',$correct);
                     $correct = explode(',',$correct);
                 }
                 }
                 if(!empty($answer)){
                 if(!empty($answer)){
-                    $answer = explode(',',$answer);
+                    $answer1 = explode(',',$answer);
                 }
                 }
-                $result = array_diff($correct,$answer);
+                $result = count($answer1) > count($correct) ? array_diff($answer1,$correct) : array_diff($correct,$answer1);
 
 
                 //判断用户是否回答正确
                 //判断用户是否回答正确
                 if(empty($result)){
                 if(empty($result)){
@@ -528,7 +528,7 @@ class Exam extends Api
                     Db::name('answer_detail')->where('id',$data['id'])->update(['answer'=>$answer,'score'=>$study['duo_score']]);
                     Db::name('answer_detail')->where('id',$data['id'])->update(['answer'=>$answer,'score'=>$study['duo_score']]);
                 }else{
                 }else{
                     //回答错误
                     //回答错误
-                    Db::name('answer_detail')->where('id',$data['id'])->update(['answer'=>$answer]);
+                    Db::name('answer_detail')->where('id',$data['id'])->update(['answer'=>$answer,'score'=>0]);
                 }
                 }
 
 
                 //算出总得分
                 //算出总得分
@@ -564,7 +564,7 @@ class Exam extends Api
                 if($correct == $answer){
                 if($correct == $answer){
                     Db::name('answer_detail')->where('id',$data['id'])->update(['answer'=>$answer,'score'=>$study['pan_score']]);
                     Db::name('answer_detail')->where('id',$data['id'])->update(['answer'=>$answer,'score'=>$study['pan_score']]);
                 }else{
                 }else{
-                    Db::name('answer_detail')->where('id',$data['id'])->update(['answer'=>$answer]);
+                    Db::name('answer_detail')->where('id',$data['id'])->update(['answer'=>$answer,'score'=>0]);
                 }
                 }
                 //算出总得分
                 //算出总得分
                 $score = Db::name('answer_detail')
                 $score = Db::name('answer_detail')