COMM/myComm.cs

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using System;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Web.SessionState;
using System.Configuration;
using System.IO;

namespace MyCOMM
{
    public class myComm
    {
        /// <summary>
        /// 生成指定长度的字符串,即生成strLong个str字符串
        /// </summary>
        /// <param name="strLong">生成的长度</param>
        /// <param name="str">以str生成字符串</param>
        /// <returns></returns>
        public static string StringOfChar(int strLong, string str)
        {
            string ReturnStr = "";
            for (int i = 0; i < strLong; i++)
            {
                ReturnStr += str;
            }

            return ReturnStr;
        }
        //数据格式判断类
        public class CheckType
        {
            //正整数判断，返回布尔值
            public static bool IsInt(string str)
            {
                if (str == null) return false;
                if (str == "") return false;
                try
                {
                    if (int.Parse(str) > 0)
                    {
                        return true;
                    }
                    else
                    {
                        return false;
                    }
                }
                catch
                {
                    return false;
                }
            }
            //数字判断，返回布尔值
            public static bool Num(string s)