/** * 插入一条记录 * * @param sql * @param params * @return */ public static int insert(String sql, Object... params) { StringBuffer sqlBuf = new StringBuffer(sql); sqlBuf.append(" values ("); int start = sql.indexOf("(") + 1; int end = sql.indexOf(")"); String a = sql.substring(start, end); String[] fields = a.split(","); Map<String, Object> map = new HashMap<String, Object>(); int i = 0; for (String name : fields) { sqlBuf.append(":" + name.trim() + " ,"); map.put(name.trim(), params[i]); i++; } String newSql = sqlBuf.substring(0, sqlBuf.length() - 1) + ")"; Connection con = sql2o.open(); Query query = con.createQuery(newSql); executeQuery(query, map); int res = query.executeUpdate().getResult(); con.close(); return res; }
public static <T> List<T> getList(String sql, Class<T> clazz, Map<String, Object> params) { Connection con = sql2o.open(); Query query = con.createQuery(sql); executeQuery(query, params); List<T> list = query.executeAndFetch(clazz); con.close(); return list; }
public static List<Map<String, Object>> getMapList(String sql, Map<String, Object> params) { Connection con = sql2o.open(); Query query = con.createQuery(sql); executeQuery(query, params); List<Map<String, Object>> t = query.executeAndFetchTable().asList(); con.close(); return t; }
/** * 带参数更新 * * @param sql * @param params * @return */ public static int update(String sql, Map<String, Object> params) { Connection con = sql2o.open(); Query query = con.createQuery(sql); executeQuery(query, params); int res = query.executeUpdate().getResult(); con.close(); return res; }
@SuppressWarnings("unchecked") public static Map<String, Object> getMap(String sql, Map<String, Object> params) { Connection con = sql2o.open(); Query query = con.createQuery(sql); executeQuery(query, params); Map<String, Object> t = (Map<String, Object>) query.executeScalar(); con.close(); return t; }