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  • await运算符只能用于异步方法中。请考虑用async修饰符标记此方法,并将其返回类型更改为Task...

            private void button1_Click(object sender, EventArgs e)
            {
                string url = "http://localhost:35234/api/Products";
                //创建HttpClient(注意传入HttpClientHandler)
                var handler = new HttpClientHandler()
                {
                    AutomaticDecompression =System.Net.DecompressionMethods.GZip
                };
                using (HttpClient http = new HttpClient(handler))
                {
                    //await异步等待回应
                    HttpResponseMessage response = await http.GetAsync(url);
                    //确保HTTP成功状态值
                    response.EnsureSuccessStatusCode();
    
                    //await异步读取最后的JSON(注意此时gzip已经被自动解压缩了,因为上面的AutomaticDecompression = DecompressionMethods.GZip)
                    Console.WriteLine(await response.Content.ReadAsStringAsync());
                }
            }

    出现错误,按提示进行修改

            private async void button1_Click(object sender, EventArgs e)

    转载于:https://www.cnblogs.com/GoZhuang/p/4917856.html

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  • 原文地址:https://www.cnblogs.com/gisoracle/p/14527560.html
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