mysql 语法问题

Question

class Score         def initialize(id=0,subject,socre,student_name,explain)                 @id =id                 @subject =subject                 @score =score                 @student_name =student_name                 @explain=explain         end         attr_accessor :id,:subject,:score,:student_name,:explain end require "mysql" def createSQL(score)         "insert into scores(subject,score,student_name,`explain`)"+         "values('#{score.subject}',#{score.score},'#{score.student_name}','#{score.explain}')" end def saveScore(dbh,score)         sql=createSQL(score)         dbh.query(sql)         if(dbh.affected_rows==1)                 puts "学生 #{score.student_name} 的成绩已经被放入数据库"         end end peter=Score.new("数学",83,"Peter","")#提示的位置 libei=Score.new("数学",100,"李贝","") liubuyi=Score.new("数学",58,"刘不一","因为迟到，题没做完") begin         dbh=Mysql.real_connect("localhost","root","root","db_student")         saveScore(dbh,peter)         #saveScore(dbh,libei)         #saveScore(dbh,liubuyi)         #         #sql="update scores set score =#{86} where student_name='#{"peter"}'"         #dbh.query(sql)         #if(dbh.affected_rows==1)         #       puts "学生#{"李贝"}的成绩删除成功"         #end rescue  Mysql::Error=>e         puts "Error Number: #{e.errno}"         puts "Error Number: #{e.errno}"         puts "Error Message: #{e.error}"         puts "Error State: #{e.sqlstate}" if e.respond_to?("sqlstate") ensure         dbh.close end这是运行ruby文件后的提示求解如何修改

Answer 1

语法问题，你的代码没有全部贴出来，所以看不到！