17059168683
17059168683

RazorPage：其他IActionResult：JsonResult

JsonResult

首先HttpMethod的返回值不能是void，可以是：

public JsonResult OnGet() //推荐，可读性更高

或者:

public IActionResult OnGet()

然后返回一个JsonResult实例即可：

return new JsonResult(new { sname = "阿泰", age = 23, isMale = true, });

JsonSerializerOptions

最新的ASP.NET core版本默认（仅测试也仅能）使用System.Text.Json进行序列化。

可以配置Json序列化的细节，比如：

JsonSerializerOptions settings = new JsonSerializerOptions(); settings.IgnoreNullValues = true; //忽略null值 return new JsonResult(new student //匿名对象值不能为null { sname = null, //sname会被忽略 age = 23, isMale = true, }, settings); //将setting传入

还可以在Startup.ConfigureServices()中进行全局配置：

services.AddControllers().AddJsonOptions(opt => { opt.JsonSerializerOptions.IgnoreNullValues = true; });https://github.com/hdfgfgh546...
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