更新多个文件，增强请求处理和日志记录

肖洋

2025-01-09 1164314b1f0183dadf760171e5a494eda53a1c95

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
using AngleSharp.Dom;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http.Headers;
using System.Security.Policy;
using System.Text;
using System.Threading.Tasks;
 
namespace WIDESEAWCS_Core.Helper
{
    public class HttpHelper
    {
        public static async Task<string> GetAsync(string serviceAddress, Dictionary<string, object> parameters, string contentType = "application/json", Dictionary<string, string>? headers = null)
        {
            try
            {
                string result = string.Empty;
                using HttpClient httpClient = new HttpClient();
                httpClient.Timeout = new TimeSpan(0, 0, 60);
                // 将参数拼接到URL中
                string queryString = string.Join("&", parameters.Select(x => $"{x.Key}={x.Value}"));
                serviceAddress += "?" + queryString;
 
                if (headers != null)
                {
                    foreach (var header in headers)
                        httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);
                }
 
                result = await httpClient.GetAsync(serviceAddress).Result.Content.ReadAsStringAsync();
                return result;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            return null;
        }
 
 
        // 用于追踪每个请求的调用次数和最后请求时间。
        private static readonly Dictionary<string, (int Count, DateTime LastRequestTime)> requestTracker = new();
 
        public static async Task<string> PostAsync(string serviceAddress, string requestJson = null, string contentType = "application/json", Dictionary<string, string>? headers = null)
        {
            try
            {
                // 将 JSON 字符串转换为字典
                var parameters = JsonConvert.DeserializeObject<Dictionary<string, object>>(requestJson);
 
                // 创建一个新的字典，排除 RequestTime 和 SessionId
                var filteredParameters = parameters.Where(p => p.Key != "RequestTime" && p.Key != "SessionId").ToDictionary(p => p.Key, p => p.Value);
 
                string requestKey = $"{serviceAddress}:{JsonConvert.SerializeObject(filteredParameters)}";
 
                // 检查请求次数和时间限制
                if (requestTracker.TryGetValue(requestKey, out var requestInfo))
                {
                    if (requestInfo.Count >= 5 && DateTime.Now < requestInfo.LastRequestTime.AddMinutes(10))
                    {
                        // 如果请求次数超过限制且未超过10分钟，抛出异常
                        throw new InvalidOperationException("请求次数已达到限制，请稍后再试。");
                    }
                }
 
                // 更新请求跟踪信息
                if (requestTracker.ContainsKey(requestKey))
                {
                    requestTracker[requestKey] = (requestInfo.Count + 1, DateTime.Now);
                }
                else
                {
                    requestTracker[requestKey] = (1, DateTime.Now);
                }
 
                string result = string.Empty;
                using (HttpContent httpContent = new StringContent(requestJson))
                {
                    httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
                    using HttpClient httpClient = new HttpClient();
                    httpClient.Timeout = new TimeSpan(0, 0, 60);
 
                    if (headers != null)
                    {
                        foreach (var header in headers)
                            httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);
                    }
                    result = await httpClient.PostAsync(serviceAddress, httpContent).Result.Content.ReadAsStringAsync();
                }
                return result;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            return null;
        }
 
        public static string Get(string serviceAddress, string contentType = "application/json", Dictionary<string, string>? headers = null)
        {
            try
            {
                string result = string.Empty;
                using HttpClient httpClient = new HttpClient();
                httpClient.Timeout = new TimeSpan(0, 0, 60);
 
                foreach (var header in headers)
                    httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);
 
                result = httpClient.GetStringAsync(serviceAddress).Result;
                return result;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            return null;
        }
 
        public static string Post(string serviceAddress, string requestJson = null, string contentType = "application/json", Dictionary<string, string>? headers = null)
        {
            try
            {
                string result = string.Empty;
                using (HttpContent httpContent = new StringContent(requestJson))
                {
                    httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
                    using HttpClient httpClient = new HttpClient();
                    httpClient.Timeout = new TimeSpan(0, 0, 60);
 
                    foreach (var header in headers)
                        httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);
 
                    result = httpClient.PostAsync(serviceAddress, httpContent).Result.Content.ReadAsStringAsync().Result;
                }
                return result;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            return null;
        }
    }
}