/**
* 根据用户ID查询出服务时数
*
* @return
*/
public double findTime(int uid) {
Sql sql =
Sqls.create(
"select sum(services_number) as w from t_personservices where uid="
+ uid
+ " and queren=1");
sql.setCallback(
new SqlCallback() {
public Object invoke(Connection arg0, ResultSet rs, Sql sql) throws SQLException {
Object o = new Object();
if (rs.next()) {
o = rs.getObject("w");
}
rs.close();
return o;
}
});
dao.execute(sql);
Object o = sql.getResult();
if (o != null) {
return Double.parseDouble(o.toString());
}
return 0;
}
/**
* 根据多个id删除数据
*
* @param <T>
* @param c 要操作的表信息
* @param ids 要删除的id,多个用","（逗号）分隔
* @return true 成功,false 失败
*/
public <T> void deleteByIds(Class<T> c, String ids) {
Entity<T> entity = dao.getEntity(c);
String table = entity.getTableName();
String id = entity.getIdField().getColumnName();
Sql sql = Sqls.create("delete from " + table + " where " + id + " in(" + ids + ")");
dao.execute(sql);
}
/**
* 通过特定的sql查询出用户按服务时间大小倒叙排序的总条数
*
* @param str
* @return
*/
public int findSqlCount(String str, String table) {
Sql sql = Sqls.create("select count(*) from " + table + " where id in (" + str + ")");
sql.setCallback(
new SqlCallback() {
public Object invoke(Connection arg0, ResultSet rs, Sql sql) throws SQLException {
while (rs.next()) {
return rs.getInt(1);
}
return null;
}
});
dao.execute(sql);
return sql.getInt();
}
public Sql execute(Sql sql) {
if (sql != null) execute(new Sql[] {sql});
return sql;
}
