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DOAN.Service/HelloService.cs

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+using Infrastructure;
+using Infrastructure.Attribute;
+using Infrastructure.Model;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using SqlSugar.IOC;
+using DOAN.Admin.WebApi.Filters;
+using DOAN.Model.Content;
+using DOAN.Model.System;
+using DOAN.Model.System.Dto;
+using DOAN.Repository;
+using DOAN.Service.IService;
+using DOAN.ServiceCore.Services;
+
+namespace DOAN.Service
+{
+    /// <summary>
+    /// 动态api示例，继承IDynamicApi，使用看swagger生成的地址
+    /// </summary>
+    [AppService(ServiceType = typeof(IHelloService), ServiceLifetime = LifeTime.Transient)]
+    public class HelloService : BaseService<ArticleCategory>, IHelloService, IDynamicApi
+    {
+        /// <summary>
+        /// 引用User服务
+        /// </summary>
+        private readonly ISysUserService userService;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="userService"></param>
+        public HelloService(ISysUserService userService)
+        {
+            this.userService = userService;
+        }
+        /// <summary>
+        /// 数据库使用案例
+        /// </summary>
+        /// <param name="name"></param>
+        /// <returns></returns>
+        public string SayHello(string name)
+        {
+            //构造函数式使用
+            var user = JsonConvert.SerializeObject(userService.GetFirst(f => f.UserId == 1));
+            Console.WriteLine(user);
+            
+            var postService = App.GetRequiredService<ISysPostService>();
+            Console.WriteLine(JsonConvert.SerializeObject(postService.GetId(1)));
+
+            BaseRepository<SysDept> deptRepo = new();
+            Console.WriteLine(JsonConvert.SerializeObject(deptRepo.GetId(1)));
+
+            var result = DbScoped.SugarScope.Queryable<SysDictType>().Where(f => f.DictId == 1).First();
+            Console.WriteLine(JsonConvert.SerializeObject(result));
+
+            //切换库
+            //DbScoped.SugarScope.GetConnectionScope(2);
+
+            GetFirst(x => x.CategoryId == 1);
+            Context.Queryable<SysUser>().First(f => f.UserId == 1);
+
+            return "Hello:" + name;
+        }
+
+        /// <summary>
+        /// 返回json内容
+        /// </summary>
+        /// <param name="userDto"></param>
+        /// <returns></returns>
+        [Verify]
+        public ApiResult SayHello2([FromBody]SysUserDto userDto)
+        {
+            var user = userService.GetFirst(f => f.UserId == 2);
+            return new ApiResult(100, "success", user);
+        }
+
+        public ApiResult SayHello3()
+        {
+            throw new CustomException("自定义异常");
+        }
+
+        /// <summary>
+        /// 返回json内容
+        /// </summary>
+        /// <param name="userDto"></param>
+        /// <returns></returns>
+        [AllowAnonymous]
+        public ApiResult SayHelloJson([FromBody] SysUserDto userDto)
+        {
+            return new ApiResult(100, "success", userDto);
+        }
+    }
+}