.net core mvc 中 List超过100条会置为null

start.up 添加FormOptions

services.Configure<FormOptions>(options =>
{
options.ValueCountLimit = int.MaxValue; // 5000 items max
//options.ValueLengthLimit = 1024 * 1024 * 100; // 100MB max len form data
options.ValueLengthLimit = int.MaxValue; //
});