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Calling method in Node js from browser (Using Express)

由 ￣綄美尐妖づ 提交于 2020-05-09 18:06:07
问题 I defined these three routes in app.js app.use('/', require('./routes/index')); app.use('/LEDon', require('./routes/LEDon')); app.use('/LEDoff', require('./routes/LEDoff')); In my route file I have the following: var express = require('express'); var router = express.Router(); var Gpio = require('onoff').Gpio, led = new Gpio(17, 'out'); router.get('/', function(req, res, next) { led.writeSync(1); }); module.exports = router; So when I go to the /LEDon page the method runs and everything works

热乎的，OKHttp Post请求参数发送流请求

由 烈酒焚心 提交于 2020-05-04 23:01:28
其实我从年前就开始学这个okHttp,只不过一直没成功过，遇到过400，411，500等各种错误，整的我是各种捉急呀，昨天刚开始上班，我又开始整它，还好借着我今天生日寿星最大哈，终于搞出来了，各种泪流满面呀。 好了，说这么多也烦了，开始说说代码吧，这里代码我服务端用的是C# WCF，贴一个声明方法如下。 [OperationContract] [WebInvoke( Method = "POST", ResponseFormat = WebMessageFormat.Json, RequestFormat = WebMessageFormat.Json, BodyStyle = WebMessageBodyStyle.WrappedRequest, UriTemplate = "GetUsers")] int GetUsers(string userName, string userPwd, String devicecid); 大家可看到这里我的Request和Response用的都是Json，所以这就要求客户端发送的必须是Json请求。 好了，那么，这时候就该OkHttp上场了。 先贴下，手机端点击触发事件的方法 private Object[] parameterValue; private String[] parameter; private String method;

Prevent Back button from showing POST confirmation alert

由 倾然丶 夕夏残阳落幕 提交于 2020-04-23 10:15:51
问题 I have an application that supplies long list of parameters to a web page, so I have to use POST instead of GET. The problem is that when page gets displayed and user clicks the Back button, Firefox shows up a warning: To display this page, Firefox must send information that will repeat any action (such as a search or order confirmation) that was performed earlier. Since application is built in such way that going Back is a quite common operation, this is really annoying to end users.

How to use customized cards with Microsoft Teams webhook

由 我们两清 提交于 2020-04-18 07:06:52
问题 Adaptive cards receive "bad request 400" error I'm trying to send a POST request from AWS Lambda running Python 3.7 using the urlopen method I have a regular card request that is working but an adaptive card will hit the error mentioned above. Example of working card: {'@context': 'https://schema.org/extensions', '@type': 'MessageCard', 'themeColor': 'd63333', 'title': 'Red Alert - There is an issue Example alarm name', 'text': ' Example alarm name has changed from OK to ALARM - Threshold

How to use customized cards with Microsoft Teams webhook

由 爱⌒轻易说出口 提交于 2020-04-18 07:04:10
问题 Adaptive cards receive "bad request 400" error I'm trying to send a POST request from AWS Lambda running Python 3.7 using the urlopen method I have a regular card request that is working but an adaptive card will hit the error mentioned above. Example of working card: {'@context': 'https://schema.org/extensions', '@type': 'MessageCard', 'themeColor': 'd63333', 'title': 'Red Alert - There is an issue Example alarm name', 'text': ' Example alarm name has changed from OK to ALARM - Threshold

How to view the address of the POST request made when an HTML button is clicked?

由 南楼画角 提交于 2020-04-16 05:42:13
问题 I am creating a project involving web scraping and web automation. I would like to first submit this form (http://rgsntl.rgs.cuhk.edu.hk/rws_prd_applx2/Public/tt_dsp_timetable.aspx) then once you submit this form, I want to scrape the HTML page that comes up. The problem is I am not sure how to submit this form through a Go program. I was previously experimenting with Selenium to emulate a web browser but now I think there may be an easier way. I think that I should be able to make a POST

Curl 方式实现POST提交数据

由 血红的双手。 提交于 2020-04-14 16:37:27
【推荐阅读】微服务还能火多久？>>> //初始化一个curl会话,返回一个curl句柄,供curl_setopt(), curl_exec()和curl_close() 函数使用。 $ch=curl_init(); //想要以post方式提交的数据 $curlPost = 'f='.$f.'&p='.$p; $url =$url.$curlPost; //要提交到哪个网址 curl_setopt($ch, CURLOPT_URL,$url); //启动时会发送一个常规的POST请求,就像表单提交的一样 curl_setopt($ch, CURLOPT_POST,1); // 全部数据使用HTTP协议的POST操作来发送 // curl_setopt($ch, CURLOPT_POSTFIELDS,$curlPost); //value为0表示直接输出结果 curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); //1秒超时 curl_setopt($ch, CURLOPT_TIMEOUT, 1); curl_exec($ch); curl_close($ch); 来源： oschina 链接： https://my.oschina.net/u/1177615/blog/191112

Using Fetch API to POST XML

由 。_饼干妹妹 提交于 2020-04-13 05:09:22
问题 I'm trying to use Fetch API to handle POST of XML data to avoid cross-origin issues with XmlHttpRequest. The issue I face is that despite setting my Content-Type to 'text/xml' (which is the only supported content-type header in this case) my request's content-type is being reset to text/plain resulting in a HTTP status of 415 from the requested content. Here is my fetch function: function doFetch(Content) { return fetch( URL, { method: 'POST', mode: 'no-cors', headers: new Headers( {'Content

Using Fetch API to POST XML

由 不羁岁月 提交于 2020-04-13 05:09:06
问题 I'm trying to use Fetch API to handle POST of XML data to avoid cross-origin issues with XmlHttpRequest. The issue I face is that despite setting my Content-Type to 'text/xml' (which is the only supported content-type header in this case) my request's content-type is being reset to text/plain resulting in a HTTP status of 415 from the requested content. Here is my fetch function: function doFetch(Content) { return fetch( URL, { method: 'POST', mode: 'no-cors', headers: new Headers( {'Content

Unity WebGL does not Post to Azure Function app: form already read error

由 有些话、适合烂在心里 提交于 2020-04-12 07:24:26
问题 Tested for Unity 2019.3.0f3 or 2019.3.0f5 or 2019.3.9 and Azure Functions V3. I Post from a Unity WebGL project to an azure function as form. I can't get the post into variables in the Function app: the Function app throws http 500 with "Unexpected end of Stream, the content may have already been read by another component.". So when webgl project is run on browser, chrome shows 500 internal error; firefox doesn't show the data on console but neither shows the error but you can see http 500
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