99 lines
2.9 KiB
C#
99 lines
2.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Text.Json;
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using System.Net.Http;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace Go_Frp
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{
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public partial class Login : Form
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{
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public Login()
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{
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InitializeComponent();
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}
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private void logout_but_Click(object sender, EventArgs e)
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{
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// 退出事件
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Application.Exit();
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}
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private async void login_but_Click(object sender, EventArgs e)
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{
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// 登录事件
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string username = username_text.Text;
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string password = password_text.Text;
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// 检查用户名和密码是否输入
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if (username == "" || password == "")
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{
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ts_lab.ForeColor = Color.Red;
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ts_lab.Text = "用户名或密码有误";
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}
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else
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{
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// 准备发送的数据
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var loginData = new
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{
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username = username_text.Text,
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password = password_text.Text
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};
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// 将数据发送到后端
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String responseMessage = await SendLoginRequestAsync("http://localhost:8080/login", loginData);
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if (responseMessage == "success")
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{
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// 登录成功后关闭当前窗口
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this.Close();
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}
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else
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{
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ts_lab.ForeColor = Color.Red;
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ts_lab.Text = "登录失败：" + responseMessage;
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}
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}
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}
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private async Task<string> SendLoginRequestAsync(string url, object data)
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{
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try
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{
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using (HttpClient client = new HttpClient())
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{
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// 将数据转化为 JSON
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string jsonData = JsonSerializer.Serialize(data);
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// 创建请求
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HttpContent content = new StringContent(jsonData, Encoding.UTF8, "application/json");
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// 发送 Post 请求
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HttpResponseMessage response = await client.PostAsync(url, content);
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// 确保响应成功
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response.EnsureSuccessStatusCode();
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// 读取响应内容
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string responseBody = await response.Content.ReadAsStringAsync();
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// 返回后端消息响应。
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return responseBody;
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}
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}
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catch (Exception ex)
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{
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// 错误处理
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return "Error: " + ex.Message;
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}
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}
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}
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}
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