code: public void addFieldComment(Field field, IntrospectedTable introspectedTable, IntrospectedColumn introspectedColumn) {
          if (StringUtility.stringHasValue(introspectedColumn.getRemarks())) {
              field.addJavaDocLine("/**");
              StringBuilder sb = new StringBuilder();
              sb.append(" * ");
              sb.append(introspectedColumn.getRemarks());
              field.addJavaDocLine(sb.toString());
              field.addJavaDocLine(" */");
          }
          //添加注解
          if (field.isTransient()) {
              //@Column
              field.addAnnotation("@Transient");
          }
          for (IntrospectedColumn column : introspectedTable.getPrimaryKeyColumns()) {
              if (introspectedColumn == column) {
                  field.addAnnotation("@Id");
                  break;
              }
          }
          String column = introspectedColumn.getActualColumnName();
          if (StringUtility.stringContainsSpace(column) || introspectedTable.getTableConfiguration().isAllColumnDelimitingEnabled()) {
              column = introspectedColumn.getContext().getBeginningDelimiter()
                      + column
                      + introspectedColumn.getContext().getEndingDelimiter();
          }
          if (!column.equals(introspectedColumn.getJavaProperty())) {
              //@Column
              field.addAnnotation("@Column(name = \"" + getDelimiterName(column) + "\")");
          } else if (StringUtility.stringHasValue(beginningDelimiter) || StringUtility.stringHasValue(endingDelimiter)) {
              field.addAnnotation("@Column(name = \"" + getDelimiterName(column) + "\")");
          }
          if (introspectedColumn.isIdentity()) {
              if (introspectedTable.getTableConfiguration().getGeneratedKey().getRuntimeSqlStatement().equals("JDBC")) {
                  field.addAnnotation("@GeneratedValue(generator = \"JDBC\")");
              } else {
                  field.addAnnotation("@GeneratedValue(strategy = GenerationType.IDENTITY)");
              }
          } else if (introspectedColumn.isSequenceColumn()) {
              field.addAnnotation("@SequenceGenerator(name=\"\",sequenceName=\"" + introspectedTable.getTableConfiguration().getGeneratedKey().getRuntimeSqlStatement() + "\")");
          }
      }
docs: 给字段添加数据库备注
  
  @param field
  @param introspectedTable
  @param introspectedColumn