/// <summary> /// 获取跨库查询所需的表达式 /// </summary> /// <returns></returns> protected override DisPageEntity <GlobalVariable> GetDisPageEntity(GlobalVariableParams paramz) { DisPageEntity <GlobalVariable> disPageEntity = new DisPageEntity <GlobalVariable>(); disPageEntity.InCondition = (entities) => { List <long?> keys = entities.Select(a => a.Id).ToList(); return(a => keys.Contains(a.Id)); }; GlobalVariableOrderBy orderBy = paramz.orderByAsc; if (orderBy != null) { disPageEntity.OrderType = true; if (orderBy.Id) { disPageEntity.OrderCol = a => a.Id; disPageEntity.OrderColLazy = a => a.Id; disPageEntity.OrderColAndKeyLazy = a => new GlobalVariable { Id = a.Id }; disPageEntity.GreatThan = (val) => a => val.CompareTo(a.Id) < 0; disPageEntity.GreatEqThan = (val) => a => val.CompareTo(a.Id) <= 0; disPageEntity.LessThan = (val) => a => val.CompareTo(a.Id) > 0; disPageEntity.LessEqThan = (val) => a => val.CompareTo(a.Id) >= 0; return(disPageEntity); } if (orderBy.VarSortIndex) { disPageEntity.OrderCol = a => a.VarSortIndex; disPageEntity.OrderColLazy = a => a.VarSortIndex; disPageEntity.OrderColAndKeyLazy = a => new GlobalVariable { Id = a.Id, VarSortIndex = a.VarSortIndex }; disPageEntity.GreatThan = (val) => a => val.CompareTo(a.VarSortIndex) < 0; disPageEntity.GreatEqThan = (val) => a => val.CompareTo(a.VarSortIndex) <= 0; disPageEntity.LessThan = (val) => a => val.CompareTo(a.VarSortIndex) > 0; disPageEntity.LessEqThan = (val) => a => val.CompareTo(a.VarSortIndex) >= 0; return(disPageEntity); } if (orderBy.VarRemark) { disPageEntity.OrderCol = a => a.VarRemark; disPageEntity.OrderColLazy = a => a.VarRemark; disPageEntity.OrderColAndKeyLazy = a => new GlobalVariable { Id = a.Id, VarRemark = a.VarRemark }; disPageEntity.GreatThan = (val) => a => val.CompareTo(a.VarRemark) < 0; disPageEntity.GreatEqThan = (val) => a => val.CompareTo(a.VarRemark) <= 0; disPageEntity.LessThan = (val) => a => val.CompareTo(a.VarRemark) > 0; disPageEntity.LessEqThan = (val) => a => val.CompareTo(a.VarRemark) >= 0; return(disPageEntity); } if (orderBy.VarName) { disPageEntity.OrderCol = a => a.VarName; disPageEntity.OrderColLazy = a => a.VarName; disPageEntity.OrderColAndKeyLazy = a => new GlobalVariable { Id = a.Id, VarName = a.VarName }; disPageEntity.GreatThan = (val) => a => val.CompareTo(a.VarName) < 0; disPageEntity.GreatEqThan = (val) => a => val.CompareTo(a.VarName) <= 0; disPageEntity.LessThan = (val) => a => val.CompareTo(a.VarName) > 0; disPageEntity.LessEqThan = (val) => a => val.CompareTo(a.VarName) >= 0; return(disPageEntity); } if (orderBy.VarValue) { disPageEntity.OrderCol = a => a.VarValue; disPageEntity.OrderColLazy = a => a.VarValue; disPageEntity.OrderColAndKeyLazy = a => new GlobalVariable { Id = a.Id, VarValue = a.VarValue }; disPageEntity.GreatThan = (val) => a => val.CompareTo(a.VarValue) < 0; disPageEntity.GreatEqThan = (val) => a => val.CompareTo(a.VarValue) <= 0; disPageEntity.LessThan = (val) => a => val.CompareTo(a.VarValue) > 0; disPageEntity.LessEqThan = (val) => a => val.CompareTo(a.VarValue) >= 0; return(disPageEntity); } } disPageEntity.OrderType = false; orderBy = paramz.orderByDesc; if (orderBy != null) { if (orderBy.Id) { disPageEntity.OrderCol = a => a.Id; disPageEntity.OrderColLazy = a => a.Id; disPageEntity.OrderColAndKeyLazy = a => new GlobalVariable { Id = a.Id }; disPageEntity.GreatThan = (val) => a => val.CompareTo(a.Id) < 0; disPageEntity.GreatEqThan = (val) => a => val.CompareTo(a.Id) <= 0; disPageEntity.LessThan = (val) => a => val.CompareTo(a.Id) > 0; disPageEntity.LessEqThan = (val) => a => val.CompareTo(a.Id) >= 0; return(disPageEntity); } else if (orderBy.VarSortIndex) { disPageEntity.OrderCol = a => a.VarSortIndex; disPageEntity.OrderColLazy = a => a.VarSortIndex; disPageEntity.OrderColAndKeyLazy = a => new GlobalVariable { Id = a.Id, VarSortIndex = a.VarSortIndex }; disPageEntity.GreatThan = (val) => a => val.CompareTo(a.VarSortIndex) < 0; disPageEntity.GreatEqThan = (val) => a => val.CompareTo(a.VarSortIndex) <= 0; disPageEntity.LessThan = (val) => a => val.CompareTo(a.VarSortIndex) > 0; disPageEntity.LessEqThan = (val) => a => val.CompareTo(a.VarSortIndex) >= 0; return(disPageEntity); } else if (orderBy.VarRemark) { disPageEntity.OrderCol = a => a.VarRemark; disPageEntity.OrderColLazy = a => a.VarRemark; disPageEntity.OrderColAndKeyLazy = a => new GlobalVariable { Id = a.Id, VarRemark = a.VarRemark }; disPageEntity.GreatThan = (val) => a => val.CompareTo(a.VarRemark) < 0; disPageEntity.GreatEqThan = (val) => a => val.CompareTo(a.VarRemark) <= 0; disPageEntity.LessThan = (val) => a => val.CompareTo(a.VarRemark) > 0; disPageEntity.LessEqThan = (val) => a => val.CompareTo(a.VarRemark) >= 0; return(disPageEntity); } else if (orderBy.VarName) { disPageEntity.OrderCol = a => a.VarName; disPageEntity.OrderColLazy = a => a.VarName; disPageEntity.OrderColAndKeyLazy = a => new GlobalVariable { Id = a.Id, VarName = a.VarName }; disPageEntity.GreatThan = (val) => a => val.CompareTo(a.VarName) < 0; disPageEntity.GreatEqThan = (val) => a => val.CompareTo(a.VarName) <= 0; disPageEntity.LessThan = (val) => a => val.CompareTo(a.VarName) > 0; disPageEntity.LessEqThan = (val) => a => val.CompareTo(a.VarName) >= 0; return(disPageEntity); } else if (orderBy.VarValue) { disPageEntity.OrderCol = a => a.VarValue; disPageEntity.OrderColLazy = a => a.VarValue; disPageEntity.OrderColAndKeyLazy = a => new GlobalVariable { Id = a.Id, VarValue = a.VarValue }; disPageEntity.GreatThan = (val) => a => val.CompareTo(a.VarValue) < 0; disPageEntity.GreatEqThan = (val) => a => val.CompareTo(a.VarValue) <= 0; disPageEntity.LessThan = (val) => a => val.CompareTo(a.VarValue) > 0; disPageEntity.LessEqThan = (val) => a => val.CompareTo(a.VarValue) >= 0; return(disPageEntity); } else { disPageEntity.OrderCol = a => a.Id; disPageEntity.OrderColLazy = a => a.Id; disPageEntity.OrderColAndKeyLazy = a => new GlobalVariable { Id = a.Id }; disPageEntity.GreatThan = (val) => a => val.CompareTo(a.Id) < 0; disPageEntity.GreatEqThan = (val) => a => val.CompareTo(a.Id) <= 0; disPageEntity.LessThan = (val) => a => val.CompareTo(a.Id) > 0; disPageEntity.LessEqThan = (val) => a => val.CompareTo(a.Id) >= 0; return(disPageEntity); } } else { disPageEntity.OrderCol = a => a.Id; disPageEntity.OrderColLazy = a => a.Id; disPageEntity.OrderColAndKeyLazy = a => new GlobalVariable { Id = a.Id }; disPageEntity.GreatThan = (val) => a => val.CompareTo(a.Id) < 0; disPageEntity.GreatEqThan = (val) => a => val.CompareTo(a.Id) <= 0; disPageEntity.LessThan = (val) => a => val.CompareTo(a.Id) > 0; disPageEntity.LessEqThan = (val) => a => val.CompareTo(a.Id) >= 0; return(disPageEntity); } }
/// <summary> /// 升序、降序排序的查询参数设置,当对应字段的升序设置为true时才会对 /// 该字段降序。 /// </summary> /// <param name="query">待设置降序参数的query对象</param> /// <param name="orderBy">装载降序参数的实体类</param> /// <returns>返回设置好降序参数的query对象</returns> IQueryable <GlobalVariable> OrderBy(IQueryable <GlobalVariable> query, GlobalVariableParams eqArgs) { GlobalVariableOrderBy orderBy = eqArgs.orderByAsc; if (orderBy != null) { if (orderBy.Id) { return(query = query.OrderBy(a => a.Id)); } else if (orderBy.VarSortIndex) { return(query = query.OrderBy(a => a.VarSortIndex)); } else if (orderBy.VarRemark) { return(query = query.OrderBy(a => a.VarRemark)); } else if (orderBy.VarName) { return(query = query.OrderBy(a => a.VarName)); } else if (orderBy.VarValue) { return(query = query.OrderBy(a => a.VarValue)); } } orderBy = eqArgs.orderByDesc; if (orderBy != null) { if (orderBy.Id) { return(query = query.OrderByDescending(a => a.Id)); } else if (orderBy.VarSortIndex) { return(query = query.OrderByDescending(a => a.VarSortIndex)); } else if (orderBy.VarRemark) { return(query = query.OrderByDescending(a => a.VarRemark)); } else if (orderBy.VarName) { return(query = query.OrderByDescending(a => a.VarName)); } else if (orderBy.VarValue) { return(query = query.OrderByDescending(a => a.VarValue)); } else { return(query = query.OrderByDescending(a => a.Id)); } } else { return(query = query.OrderByDescending(a => a.Id)); } }