1、input只允許輸入數(shù)字(一般用于金額使用)

 <input class="form-control" type="text" placeholder="請(qǐng)輸入預(yù)計(jì)成本" autocomplete="off" οnkeyup="value=value.replace(/[^\d.]/g,'').replace('.','$#$').replace(/\./g,'').replace('$#$','.')" />

?2、模擬http請(qǐng)求的參數(shù)類型 application/json

var httpWebRequest = (HttpWebRequest)WebRequest.Create("http://url");
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "POST";using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{string json = "{\"user\":\"test\"," +"\"password\":\"bla\"}";streamWriter.Write(json);streamWriter.Flush();streamWriter.Close();
}var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
{var result = streamReader.ReadToEnd();
}

　　

轉(zhuǎn)載于:https://www.cnblogs.com/siaslfslovewp/p/6955684.html

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