数组中相同元素的合并

数组中相同元素的合并

    for (int i = 0; i < arrayTmp.count; i++)
    {
        SXStudentOrderInfoModel *model = arrayTmp[i];
        double value = model.infoValue.doubleValue;
        for (int j = i + 1; j < arrayTmp.count; j++)
        {
            SXStudentOrderInfoModel *nextModel = arrayTmp[j];
            if ([model.infoTitle isEqualToString:nextModel.infoTitle])
            {
                value += nextModel.infoValue.doubleValue;
                
                // 重新设置
                model.infoValue = StringWithDoubleValue(value);
                [arrayTmp replaceObjectAtIndex:i withObject:model];
                [arrayTmp removeObjectAtIndex:j];
                
                j -= 1;
            }
        }
    }