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                # 版本1.6 # 最后更新 2018-9-28 # web.config操作類 1、得到web.config AppSetting 下key值 ``` var useValidateCode = ConfigHelper.GetValue("showValidateCode"); ``` 2、設置web.config AppSetting 下key值 ``` ConfigHelper.SetAppSetting("website", "http://www.ynicp1.com");//注意節點website需要手動添加 因為安全的原因自動添加節點會報錯 ``` # 字符操作類 1、生成唯一ID 由數字組成 ``` string k = StringHelper.CreateIDCode(); //返回1538028179433 ``` 2、用戶名非法字符過濾 ``` bool k = StringHelper.Filter("dddss");//返回true bool k = StringHelper.Filter("ddd$%$%ss");//返回false ``` # 拼音類 1、獲得漢字拼音首字母 ``` string s=PinyinHelper.GetFirstLetter("中國人"); Response.Write(s);//返回zgr ``` 2、漢字轉為拼音(全拼) ``` string s = PinyinHelper.GetPinyin("中國人是好人"); Response.Write(s);//返回ZHONGGUORENSHIHAOREN ``` 3、漢字轉為拼音首字母 ``` string s = PinyinHelper.GetFirstPinyin("中國人是好人"); Response.Write(s);//返回 ZGRSHR ``` # 隨機數 1、生成指定返回隨機數 ``` RandomHelper r = new RandomHelper(); int k= r.GetRandomInt(111, 222);//返回111-222之間隨機數 ``` 2、生成一個0.0到1.0的隨機小數 ``` RandomHelper r = new RandomHelper(); double k = r.GetRandomDouble();//返回0.275322388520149 ``` 3、多數組隨機排序 ``` string[] sarr = { "1", "2", "3", "4", "5" }; RandomHelper r = new RandomHelper(); r.GetRandomArray(sarr);//對數組隨機排序 foreach (string s in sarr) { Response.Write(s);//返回 51324 這里僅僅是用法舉例,還有許多用法 } ``` 4、隨機生成不重復字符串數字和字母混和 ``` RandomHelper r = new RandomHelper(); string k= r.GenerateCheckCode(5); Response.Write(k);//返回8JBTD ``` 5、隨機生成不重復字符串(純數字) ``` RandomHelper r = new RandomHelper(); string k= r.GenerateCheckCodeNum(5); Response.Write(k);//返回 20447 ``` 6、從字符串里得到隨機規定的字符數[不推薦用] # 身份證類 1、判斷身份證是否合法(15或18) ``` bool c = IDCardHelper.CheckIDCard("532323198206101310"); ``` 2、通過身份證號得到生日 ``` string birthday = IDCardHelper.GetBrithdayFromIdCard("532323198206101310"); ``` 3、通過身份證號得到性別 ``` string sex = IDCardHelper.GetSexFromIdCard("532323198206101310"); Response.Write("是否合法:"+c+"生日:"+birthday+"性別:"+sex); //返回結果:是否合法:True生日:1982-06-10性別:男 ``` # 數據庫操作類 1、sql語句返回DataTable ``` DataTable dt = SqlEasy.ExecuteDataTable("select * from sys_users"); ``` 2、sql語句參數化返回DataTable ``` //sql參數化查詢 SqlParameter[] paras = new SqlParameter[]{ new SqlParameter("@KeyId", "9"), new SqlParameter("@username", "admin"), }; dt = SqlEasy.ExecuteDataTable("select * from sys_users where keyid=@KeyId", paras); Response.Write(JSONhelper.DataTableToJSON(dt)); ``` 3、執行SQL語句返回影響的行數 ``` int k = SqlEasy.ExecuteNonQuery("update sys_users set qq='1000999' "); Response.Write(k); ``` 4、參數化執行sql語句返回影響的行數 ``` //sql參數化查詢 SqlParameter[] paras = new SqlParameter[]{ new SqlParameter("@KeyId", "9"), new SqlParameter("@username", "admin"), new SqlParameter("@qq", "229229"), }; int k = SqlEasy.ExecuteNonQuery("update sys_users set qq=@qq", paras); Response.Write(k); ``` 5、自建數據庫連接 參數化執行SQL語句返回影響的行數 ``` SqlParameter[] paras = new SqlParameter[]{ new SqlParameter("@KeyId", "9"), new SqlParameter("@username", "admin"), new SqlParameter("@qq", "229229"), }; string connectionString = "server=.;uid=sa;pwd=sa1234;database=No1";//自建的數據庫連接 int k = SqlEasy.ExecuteNonQuery(connectionString,"update sys_users set qq=@qq", paras); Response.Write(k); ``` # json操作類
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