/// <summary>
/// Creates the db provider.
/// </summary>
/// <param name="connectionString">Name of the conn STR.</param>
/// <returns>The db provider.</returns>
public static DbProvider CreateDbProvider(ProviderType providerType, string connectionString)
{
try
{
string[] assAndClass = EnumDescriptionAttribute.GetDescription(providerType).Split(',');
DbProvider dbProvider;
if (assAndClass.Length > 1)
{
dbProvider = CreateDbProvider(assAndClass[1].Trim(), assAndClass[0].Trim(), connectionString);
}
else
{
dbProvider = CreateDbProvider(null, assAndClass[0].Trim(), connectionString);
}
if (dbProvider != null)
{
dbProvider.ConnectName = "Default";
}
return(dbProvider);
}
catch
{
throw;
}
}
/// <summary>
/// Creates the db provider.
/// </summary>
/// <param name="connectionString">Name of the conn STR.</param>
/// <returns>The db provider.</returns>
public static DbProvider CreateDbProvider(DbProviderType providerType, string connectionString)
{
string[] assAndClass = EnumDescriptionAttribute.GetDescription(providerType).Split(',');
DbProvider dbProvider = null;
if (assAndClass.Length > 1)
{
dbProvider = CreateDbProvider(assAndClass[0].Trim(), assAndClass[1].Trim(), connectionString);
}
else
{
dbProvider = CreateDbProvider(assAndClass[0].Trim(), null, connectionString);
}
return(dbProvider);
}
/// <summary>
/// 获取枚举类型的描述
/// </summary>
/// <param name="enumObj"></param>
/// <returns></returns>
public static string GetDescription(object enumObj)
{
Type enumType = enumObj.GetType();
if (!enumType.IsEnum)
{
throw new Exception("参数不是枚举类型！");
}
FieldInfo fieldInfo = enumType.GetField(enumObj.ToString());
object[] attribArray = fieldInfo.GetCustomAttributes(false);
if (attribArray.Length == 0)
{
return(null);
}
EnumDescriptionAttribute attrib = attribArray[0] as EnumDescriptionAttribute;
return(attrib.Description);
}
/// <summary>
/// 获取枚举类型的所有描述
/// </summary>
/// <param name="enumType"></param>
/// <returns></returns>
public static string[] GetDescriptions(Type enumType)
{
if (!enumType.IsEnum)
{
throw new Exception("参数不是枚举类型！");
}
FieldInfo[] fieldInfos = enumType.GetFields();
List <string> deslist = new List <string>();
foreach (FieldInfo fieldInfo in fieldInfos)
{
object[] attribArray = fieldInfo.GetCustomAttributes(false);
if (attribArray.Length == 0)
{
continue;
}
EnumDescriptionAttribute attrib = attribArray[0] as EnumDescriptionAttribute;
deslist.Add(attrib.Description);
}
return(deslist.ToArray());
}
public override string ToString()
{
StringBuilder sb = new StringBuilder();
if (dataPage.CurrentPageIndex <= 0)
{
dataPage.CurrentPageIndex = 1;
}
if (dataPage.RowCount < 0)
{
dataPage.RowCount = 0;
}
int halfSize = Convert.ToInt32(Math.Floor(linkSize / 2.0));
if (linkSize % 2 == 0)
{
halfSize--;
}
string html = string.Empty;
//生成分页的html
if (style == HtmlPagerStyle.Custom)
{
sb.Append("<div id='htmlPager' class=\"" + (pagerCss ?? EnumDescriptionAttribute.GetDescription(style)) + "\">\n");
}
else
{
sb.Append("<div id='htmlPager' class=\"" + EnumDescriptionAttribute.GetDescription(style) + "\">\n");
}
if (dataPage.PageCount == 0)
{
sb.Append("<span class=\"disabled\">上一页</span>\n");
sb.Append("<span class=\"current\">1</span>\n");
sb.Append("<span class=\"disabled\">下一页</span>\n");
}
else
{
if (!dataPage.IsFirstPage)
{
sb.Append("<a href=\"" + GetHtmlLink(dataPage.CurrentPageIndex - 1) + "\" title=\"上一页\">" + prevPageTitle + "</a>\n");
}
else
{
sb.Append("<span class=\"disabled\">" + prevPageTitle + "</span>\n");
}
int startPage = dataPage.CurrentPageIndex;
if (startPage <= halfSize || dataPage.PageCount <= linkSize)
{
startPage = halfSize + 1;
}
else if (startPage + halfSize >= dataPage.PageCount)
{
startPage = dataPage.PageCount - halfSize;
if (linkSize % 2 == 0)
{
startPage--;
}
}
int beginIndex = startPage - halfSize;
int endIndex = startPage + halfSize;
if (linkSize % 2 == 0)
{
endIndex++;
}
if (beginIndex - 1 > 0)
{
if (beginIndex - 1 == 1)
{
sb.Append("<a href=\"" + GetHtmlLink(1) + "\" title=\"第1页\">[1]</a>\n");
}
else
{
sb.Append("<a href=\"" + GetHtmlLink(1) + "\" title=\"第1页\">[1]</a></span>... \n");
}
}
for (int index = beginIndex; index <= endIndex; index++)
{
if (index > dataPage.PageCount)
{
break;
}
if (index == dataPage.CurrentPageIndex)
{
sb.Append("<span class=\"current\">");
sb.Append(index);
sb.Append("</span>\n");
}
else
{
sb.Append("<a href=\"" + GetHtmlLink(index) + "\" title=\"第" + index + "页\">[" + index + "]</a>\n");
}
}
if (endIndex + 1 <= dataPage.PageCount)
{
if (endIndex + 1 == dataPage.PageCount)
{
sb.Append("<a href=\"" + GetHtmlLink(endIndex + 1) + "\" title=\"第" + (endIndex + 1) + "页\">[" + (endIndex + 1) + "]</a>\n");
}
else
{
sb.Append("... <a href=\"" + GetHtmlLink(dataPage.PageCount) + "\" title=\"第" + dataPage.PageCount + "页\">[" + dataPage.PageCount + "]</a>\n");
}
}
if (!dataPage.IsLastPage)
{
sb.Append("<a href=\"" + GetHtmlLink(dataPage.CurrentPageIndex + 1) + "\" title=\"下一页\">" + nextPageTitle + "</a>\n");
}
else
{
sb.Append("<span class=\"disabled\">" + nextPageTitle + "</span>\n");
}
}
if (showGotoPage)
{
sb.Append(" / 第 <select id=\"pageSelect\" onchange=\"" + GetHtmlLink("this.value") + "\">\n");
if (dataPage.PageCount == 0)
{
sb.Append("<option value=\"1\" selected=\"selected\">1</option>\n");
}
else
{
for (int index = 1; index <= dataPage.PageCount; index++)
{
if (index == dataPage.CurrentPageIndex)
{
sb.Append("<option value=\"" + index + "\" selected=\"selected\">");
sb.Append(index);
sb.Append("</option>\n");
}
else
{
sb.Append("<option value=\"" + index + "\">");
sb.Append(index);
sb.Append("</option>\n");
}
}
}
sb.Append("</select> 页 \n");
}
if (showRecord)
{
sb.Append(" 共<span class=\"red\">" + dataPage.RowCount + "</span>条 / 每页<span class=\"red\">" + dataPage.PageSize + "</span>条\n");
}
sb.Append("<input type=\"hidden\" id=\"currentPage\" value=\"" + dataPage.CurrentPageIndex + "\"/>\n");
sb.Append("</div>\n");
html = sb.ToString();
if (!showBracket)
{
Regex reg = new Regex(@"\[([\d]+)\]");
html = reg.Replace(html, "$1");
}
return(html);
}
