关于开发中异常自定义

/**

• 本系统自定义异常

• @author datou

• @Date: 2018/5/17 17:07

• $
  */
  public class AvaException extends RuntimeException {

  private static final long serialVersionUID = -140783351029584948L;

  private int code;

  public AvaException(String message) {
  super(message);
  this.code = -1;
  }

  public AvaException(int code, String message) {
  super(message);
  this.code = code;
  }

  public AvaException(int code, String message, Throwable cause) {
  super(message, cause);
  this.code = code;
  }

  public int getCode() {
  return code;
  }
  }

---

类似格式

if (bean != null) {
throw new AvatarException("登录名称已存在！");
}
if (bean1 != null) {
throw new AvatarException("用户名称已存在！");
}