.net core格式化响应数据(json驼峰格式)

//表格字段都是大写的 想要实现首字母小写(特定操作配置输出序列化选项)
[HttpPost, ActionName("QueryAll")]
        public ActionResult QueryAll()
        {
            return new JsonResult(
            _bll.QueryAll(),
            new JsonSerializerOptions
            {
                DictionaryKeyPolicy = JsonNamingPolicy.CamelCase,//key值驼峰显示
                //PropertyNamingPolicy = JsonNamingPolicy.CamelCase value值驼峰显示
　　　　　　　　　　//如果想维持原状 设置DictionaryKeyPolicy、PropertyNamingPolicy 为null即可

            });
        }

//Startup全局配置

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddControllers()
    .AddJsonOptions(options =>
    {
        options.JsonSerializerOptions.DictionaryKeyPolicy = JsonNamingPolicy.CamelCase;
// options.JsonSerializerOptions.PropertyNamingPolicy= JsonNamingPolicy.CamelCase;

    });