.net js 调用后台方法

document.getElementById('myButton').addEventListener('click', function() {
    fetch('https://your-backend-url/api/data', {
        method: 'GET',
        headers: {
            'Content-Type': 'application/json',
            // 如果需要，添加其他头部信息，如认证令牌
            // 'Authorization': 'Bearer ' + token
        }
    })
    .then(response => {
        if (!response.ok) {
            throw new Error('Network response was not ok');
        }
        return response.json();
    })
    .then(data => {
        console.log('Success:', data);
        // 更新页面内容
    })
    .catch(error => {
        console.error('Error:', error);
    });
});

[ApiController]
[Route("api/[controller]")]
public class DataController : ControllerBase
{
    [HttpGet]
    public IActionResult GetData()
    {
        // 处理业务逻辑并获取数据
        var data = new { Message = "Hello from server!" };
        return Ok(data);
    }
}

public void ConfigureServices(IServiceCollection services)
{
    services.AddCors(options =>
    {
        options.AddPolicy("AllowSpecificOrigin",
            builder => builder.WithOrigins("https://your-frontend-url"));
    });

    services.AddControllers();
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    if (env.IsDevelopment())
    {
        app.UseDeveloperExceptionPage();
    }

    app.UseRouting();

    app.UseCors("AllowSpecificOrigin");

    app.UseAuthorization();

    app.UseEndpoints(endpoints =>
    {
        endpoints.MapControllers();
    });
}