src/main/java/com/itfsw/mybatis/generator/plugins/utils/XmlElementGeneratorTools.java
private static boolean hasIdentityAndGeneratedAlwaysColumns(List<IntrospectedColumn> columns) {
        for (IntrospectedColumn ic : columns) {
            if (ic.isGeneratedAlways() || ic.isIdentity()) {
                return true;
            }
        }
        return false;
    }
private static boolean hasIdentityAndGeneratedAlwaysColumns(List<IntrospectedColumn> columns) {
        for (IntrospectedColumn ic : columns) {
            if (ic.isGeneratedAlways() || ic.isIdentity()) {
                return true;
            }
        }
        return false;
    }
是否存在自增或者生成的column
@param columns
@return