4-23.txt

开发王代码 代码

function getCustInfo(name, id, email){
   var n, i, e;

   if (!validate_name(name)) {
       throw "InvalidNameException"
   }else{
       n = name;
       if (!validate_id(id)){
          throw "InvalidIdException"
       }else{
          i = id;
       }
       if (!validate_email(email)){
          throw "InvalidEmailException"
       }else{
          e = email;
       }
       cust = (n + " " + i + " " + e);
       return (cust);
   }
}
try {
   //调用上面的函数
   getCustInfo("Lee", 1234, "[e-mail]")
}catch (e if e == "InvalidNameException") {
   //如果用户名不正确
   bad_name_handler(e)
}catch (e if e == "InvalidIdException") {
   //如果ID不正确
   bad_id_handler(e)
}catch (e if e == "InvalidEmailException") {
   //如果邮件地址不正确
   bad_email_handler(e)
}catch (e){
   //如果不确定出现了什么异常就使用日志记录下来
   logError(e)
}