DTcms.Web.Plugin.Link/DTcms.Web.Plugin.Link.DAL/link.cs

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using DTcms.Common;
using DTcms.DBUtility;
using DTcms.Web.Plugin.Link.Model;
using System;
using System.Data;
using System.Data.SqlClient;
using System.Text;

namespace DTcms.Web.Plugin.Link.DAL
{
	public class link
	{
		private string databaseprefix;

		public link(string _databaseprefix)
		{
			this.databaseprefix = _databaseprefix;
		}

		public bool Exists(int id)
		{
			StringBuilder strSql = new StringBuilder();
			strSql.Append("select count(1) from " + this.databaseprefix + "link");
			strSql.Append(" where id=@id ");
			SqlParameter[] parameters = new SqlParameter[]
			{
				new SqlParameter("@id", SqlDbType.Int, 4)
			};
			parameters[0].Value = id;
			return DbHelperSQL.Exists(strSql.ToString(), parameters);
		}

		public int Add(DTcms.Web.Plugin.Link.Model.link model)
		{
			StringBuilder strSql = new StringBuilder();
			strSql.Append("insert into " + this.databaseprefix + "link(");
			strSql.Append("site_path,title,user_name,user_tel,email,site_url,img_url,is_image,sort_id,is_red,is_lock,add_time)");
			strSql.Append(" values (");
			strSql.Append("@site_path,@title,@user_name,@user_tel,@email,@site_url,@img_url,@is_image,@sort_id,@is_red,@is_lock,@add_time)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = new SqlParameter[]
			{
				new SqlParameter("@site_path", SqlDbType.NVarChar, 100),
				new SqlParameter("@title", SqlDbType.NVarChar, 255),
				new SqlParameter("@user_name", SqlDbType.NVarChar, 50),
				new SqlParameter("@user_tel", SqlDbType.NVarChar, 20),
				new SqlParameter("@email", SqlDbType.NVarChar, 50),
				new SqlParameter("@site_url", SqlDbType.NVarChar, 255),
				new SqlParameter("@img_url", SqlDbType.NVarChar, 255),
				new SqlParameter("@is_image", SqlDbType.Int, 4),
				new SqlParameter("@sort_id", SqlDbType.Int, 4),
				new SqlParameter("@is_red", SqlDbType.TinyInt, 1),
				new SqlParameter("@is_lock", SqlDbType.TinyInt, 1),
				new SqlParameter("@add_time", SqlDbType.DateTime)
			};
			parameters[0].Value = model.site_path;
			parameters[1].Value = model.title;
			parameters[2].Value = model.user_name;
			parameters[3].Value = model.user_tel;
			parameters[4].Value = model.email;