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services.AddHttpClient("WeChatPay", c => { c.BaseAddress = new Uri("https://api.mch.weixin.qq.com"); }).ConfigurePrimaryHttpMessageHandler((c) => { va 阅读全文
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var list = new List<Course>() { new Course(1,"art"), new Course(2,"art"), new Course(3,"history"), new Course(1,"history"), new Course(3,"physics") }; 阅读全文
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参考博文地址 https://www.cnblogs.com/cplemom/p/11264040.html https://www.cnblogs.com/netcs/p/12789162.html var client = _httpClientFactory.CreateClient(); c 阅读全文
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https://www.cnblogs.com/leftfist/p/6808651.html 参考博文地址 var query = from a in _T1.GetAll().Where(x => x.FlagDeleted == false) where _T1.GetAll().Where( 阅读全文