
C#.NET
C#后端代码
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C#获取外网的IP地址
C#同步跟异步获取本机的外网IP地址原创 2024-01-24 09:44:59 · 1029 阅读 · 0 评论 -
C#请求使用JWT认证的接口,怎么在请求头添加Token
C#请求需要Authorization授权的接口原创 2023-07-19 17:09:05 · 2693 阅读 · 0 评论 -
c#给微信公众号发送通知
//给微信公众号发送通知 [HttpGet] public string SendWeChatMsg() { string OpenID = ""; //Appid string appid = ""; //secret string secret = ""; if (OpenID != "") .原创 2021-07-20 09:50:03 · 1690 阅读 · 0 评论 -
C#本机IP地址
string AddressIP = string.Empty; foreach (IPAddress _IPAddress in Dns.GetHostEntry(Dns.GetHostName()).AddressList) { if (_IPAddress.AddressFamily.ToString() == "InterNetwork") { ...原创 2021-03-17 15:52:26 · 803 阅读 · 0 评论 -
C#MVC使用NPOI导出Excel
/// <summary> /// 批量导出需要导出的列表 /// </summary> /// <returns></returns> ///Action必须用FileResult public FileResult Export() { //先获取要导出的数据 var data = db.Query...原创 2021-03-01 09:45:19 · 270 阅读 · 0 评论 -
C#使用SQL语句备份跟恢复数据库
//备份数据库 [HttpGet] public bool BackupDB(string UserName) { bool a = false; SqlConnection conn = new SqlConnection(DbHelper.ConnectionString); SqlCommand cmdBK = new SqlCommand(); ...原创 2021-02-04 09:38:06 · 286 阅读 · 0 评论 -
C#返回Json字符串
/// <summary> /// 返回成json格式 /// </summary> /// <param name="obj">要返回的json字符串</param> /// <returns></returns> public static HttpResponseMessage toJson(Object obj) {...原创 2021-01-29 09:07:28 · 1193 阅读 · 0 评论 -
C#发送邮件
导入命名空间:using System.Net.Mail; [HttpGet] public bool SendEmail() { try { MailMessage mail = new MailMessage("发件人邮箱", "收件人邮箱"); //邮件标题 mail.Subject = "测试";原创 2020-11-24 14:29:37 · 222 阅读 · 0 评论 -
C#DataTable转换成List集合
public List<实体类> GetList() { string sql = ""; try { DataTable dt = DBHelperSQL.Getdatatable(sql); //把每条数据循环添加到list集合里边 List<T> list = new List<T>(); ...原创 2020-11-18 11:46:16 · 1828 阅读 · 1 评论