Mapper快速SQL生成

public class SQL {

    private static final String COLUMS = "id,comId,createTime,createUser,num,relateNum,cardId,price,type,purchased,currency,payStatus,auditStatus,auditUser,auditTime,predictTime,payTime,payUser,remark,costType,fundType,deleted,";
    private static final String TABLE_NAME = "pub_finance_pay";
    private static final String CONDITION_ID = "xxxx";
    public static void main(String[] args) {
        insert();
        delete();
        getById();
        update();
        getList();
        getListCondition();
    }

    public static void insert() {
        String sql = "INSERT INTO " + TABLE_NAME + " (";
        String[] es = COLUMS.split(",");
        for (int i = 0; i < es.length; i++) {
            if (i < es.length -1) {
                sql += es[i] + ",";
            } else {
                sql += es[i] + ") ";
            }
        }
        sql += "VALUES (";
        for (int i = 0; i < es.length; i++) {
            if (i < es.length -1) {
                sql += "#{" + es[i] + "},";
            } else {
                sql += "#{" + es[i] + "})";
            }
        }
        System.out.println(sql);
    }

    public static void delete() {
        System.out.println("UPDATE " + TABLE_NAME + " SET deleted=${@com.sjdf.erp.common.dictionary.bean.WhetherState@YES} WHERE comId=#{comId} AND id=#{id}");
    }

    public static void getById() {
        System.out.println("SELECT * FROM " + TABLE_NAME + " WHERE comId=#{comId} AND id=#{id} AND deleted=${@com.sjdf.erp.common.dictionary.bean.WhetherState@NO}");
    }

    public static void update() {
        String sql = "UPDATE " + TABLE_NAME + " SET ";
        String[] es = COLUMS.split(",");
        for (int i = 0; i < es.length; i++) {
            if (i < es.length -1) {
                sql += es[i] + "=#{" +es[i]+"}, ";
            } else {
                sql += es[i] + "=#{" +es[i]+"} ";
            }
        }
        sql += "WHERE id=#{id} AND comId=#{comId}";
        System.out.println(sql);
    }

    public static void getListCondition() {
        String[] es = COLUMS.split(",");
        String sql = "<sql id=\"" + CONDITION_ID + "\">\n";
        sql += "    <where>\n";
        sql += "        deleted=${@com.sjdf.erp.common.dictionary.bean.WhetherState@NO}\n";
        for (int i = 0; i < es.length; i++) {
            if (!es.equals("deleted")) {
                sql += String.format("        <if test=\"%s != null\">and %s = #{%s}</if>\n", es[i], es[i], es[i]);
            }
        }
        sql += "    </where>\n";
        sql += "</sql>";
        System.out.println(sql);
    };

    public static void getList() {
        System.out.println(String.format("SELECT * FROM %s <include refid=\"%s\"/>", TABLE_NAME, CONDITION_ID));
    }
}