From 328c48dfccdbd513a450fc53f73b5ac70323cac2 Mon Sep 17 00:00:00 2001
From: yanghongwei <hongwei7458@163.com>
Date: Sat, 29 Mar 2025 09:53:17 +0800
Subject: [PATCH] =?UTF-8?q?=E6=97=A5=E5=BF=97=E5=AF=BC=E5=87=BA=E5=8A=9F?=
 =?UTF-8?q?=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Controllers/LogController.cs | 12 ++++++++++++
 Service/LogService.cs        | 17 +++++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/Controllers/LogController.cs b/Controllers/LogController.cs
index 7211979..c9b035e 100644
--- a/Controllers/LogController.cs
+++ b/Controllers/LogController.cs
@@ -1,6 +1,7 @@
 using LY.App.Service;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
 
 namespace LY.App.Controllers
 {
@@ -30,5 +31,16 @@ namespace LY.App.Controllers
             var result = await _logService.List(pageNum, pageSize, key);
             return Ok(result);
         }
+        /// <summary>
+        /// 导出日志
+        /// </summary>
+        /// <param name="key"></param>
+        /// <returns></returns>
+        [HttpGet("export")]
+        public async Task<IActionResult> Export(string key = null)
+        {
+            var result = await _logService.DownLog(key);
+            return File(result, "text/plain", $"{DateTime.Now.ToString("yyyy-MM-dd")}__logfile.txt");
+        }
     }
 }
diff --git a/Service/LogService.cs b/Service/LogService.cs
index 918ed42..66b2ab4 100644
--- a/Service/LogService.cs
+++ b/Service/LogService.cs
@@ -2,8 +2,10 @@
 using LY.App.Extensions.DI;
 using LY.App.Model;
 using Mapster;
+using Microsoft.Extensions.Logging;
 using SqlSugar;
 using System.Security.AccessControl;
+using System.Text;
 
 namespace LY.App.Service
 {
@@ -43,5 +45,20 @@ namespace LY.App.Service
                 }
             };
         }
+        public async Task<byte[]> DownLog(string key)
+        {
+            var query = await _db.Queryable<LogEntity>()
+              .WhereIF(!string.IsNullOrEmpty(key), s => s.Message.Contains(key))
+              .OrderByDescending(s => s.CreateTime).ToListAsync();
+            // 构建文本内容
+            var sb = new StringBuilder();
+            foreach (var log in query)
+            {
+                sb.AppendLine($"时间：[{log.CreateTime}] -消息：[{log.Message}]-  参数： {log.Parameters}");
+            }
+            // 将文本内容转为字节数组
+            byte[] fileBytes = Encoding.UTF8.GetBytes(sb.ToString());
+            return fileBytes;
+        }
     }
 }