啟用跨域 允許所有來源
修改Startup檔案
在ConfigureServices方法中添加
services.AddCors(
options => options.AddPolicy(name: "MyAllowSpecificOrigins", builder => builder.AllowAnyOrigin())
);
在Configure方法中添加
app.UseCors("MyAllowSpecificOrigins");
官方檔案
https://docs.microsoft.com/zh-cn/aspnet/core/security/cors?view=aspnetcore-5.0#cors-with-named-policy-and-middleware
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