| | |
| | | } |
| | | else if (dbType == SqlDbTypeName.Float || dbType == SqlDbTypeName.Decimal || dbType == SqlDbTypeName.Double) |
| | | { |
| | | |
| | | if (!val.IsNumber(null)) |
| | | { |
| | | reslutMsg = "不是有效数字"; |
| | |
| | | || dbType == SqlDbTypeName.Char |
| | | || dbType == SqlDbTypeName.Text)) |
| | | { |
| | | |
| | | //默认nvarchar(max) 、text 长度不能超过20000 |
| | | if (val.Length > 200000) |
| | | { |
| | |
| | | } |
| | | else |
| | | { |
| | | |
| | | int length = sugarColumn.Length; |
| | | if (length == 0) { return (true, null, null); } |
| | | //判断双字节与单字段 |
| | |
| | | { typeof(byte),SqlDbTypeName.Int },//类型待完 |
| | | { typeof(Guid),SqlDbTypeName.UniqueIdentifier} |
| | | }; |
| | | |
| | | public static string GetProperWithDbType(this PropertyInfo propertyInfo) |
| | | { |
| | | bool result = ProperWithDbType.TryGetValue(propertyInfo.PropertyType, out string value); |
| | |
| | | } |
| | | continue; |
| | | } |
| | | string str = dic[property.Name.FirstLetterToLower()].ToString(); |
| | | string str = dic.GetValueOrDefault(property.Name.FirstLetterToLower(), "").ToString(); |
| | | //将所有空值设置为null |
| | | if (dic[property.Name.FirstLetterToLower()] != null && str == string.Empty) |
| | | dic[property.Name.FirstLetterToLower()] = null; |
| | | } |
| | | return string.Empty; |
| | | } |
| | | |
| | | /// <summary> |
| | | /// 安全获取字典值,如果键不存在或值为null则返回默认值 |
| | | /// </summary> |
| | | /// <typeparam name="TKey">字典键的类型</typeparam> |
| | | /// <typeparam name="TValue">字典值的类型</typeparam> |
| | | /// <param name="dictionary">字典实例</param> |
| | | /// <param name="key">键</param> |
| | | /// <param name="defaultValue">默认值</param> |
| | | /// <returns>字典值或默认值</returns> |
| | | public static TValue GetValueOrDefault<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, TKey key, TValue defaultValue = default) |
| | | { |
| | | if (dictionary == null) throw new ArgumentNullException(nameof(dictionary)); |
| | | |
| | | return dictionary.TryGetValue(key, out TValue value) && value != null ? value : defaultValue; |
| | | } |
| | | |
| | | public static string GetKeyName(this Type typeinfo) |
| | |
| | | return null; |
| | | } |
| | | } |
| | | } |
| | | } |