摘要：
using System.Text.Json;using MySql.Data.MySqlClient; using Dapper;using System.IO; static void MySQLDemo() { string selectSQL = "select * from salesor 阅读全文
摘要：
using System.Text.Json; static void TextJsonDemo() { var obj = new { Id = 1, Name = "Fred", Age = 33, Org = new[] { new { Id=1, Name="MS" }, new { Id= 阅读全文