JavaScript has great modules and methods to make HTTP requests that can be used to send or receive data from a server side resource. In this article, we are going to look at a few popular ways to make HTTP requ
!window.EventSource){varsse=newEventSource('http://127.0.0.1/test/sse.php');//通信事件sse.onmessage=function(event){varresponse=JSON.parse(event.data);console.log(response.data.time);};// 打开事件sse.onopen=function(event){console.log('连接成功');};//关闭事件sse...
url : String readonly Instance Methods arrayBuffer() : Promise<ArrayBuffer> blob() : Promise<Blob> clone() : Response formData() : Promise<FormData> json() : Promise<Object> text() : Promise<String> Response Methods error() : Response redirect(url : String, [status = 302 : Number]) :...
toString http.valueOf http.Agent http.ClientRequest http.IncomingMessage http.METHODS http.OutgoingMessage http.STATUS_CODES http.Server http.ServerResponse http._connectionListener http.createServer http.get http.globalAgent http.maxHeaderSize http.request PREL还支持一些特定的点操作: 代码语言:javascript ...
如果你使用的域名是origin允许的,Response Headers里会多出几个基本头信息字段: Access-Control-Allow-Credential: true, Access-Control-Allow-Headers:origin, content-type, accept, x-request-with, Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS, ...
set('Access-Control-Allow-Methods', 'PUT, GET, POST, DELETE, OPTIONS'); ctx.set("Access-Control-Allow-Headers", "X-Requested-With"); ctx.set('Access-Control-Allow-Headers', 'Content-Type'); var res = await response() ctx.body = res; }) app.listen(9000)...
methods:{ sendJSONP1:function(){ // this.$http.jsonp("https://sug.so.360.cn/suggest",{ params:{ word:'a' } }).then(resp=>{ console.log(resp.data.s); },response => { console.log("发送失败"+response.status+","+response.statusText); ...
Response对象 Response对象是fetch调用成功后的返回值: 回顾下fetch中对Response`的操作: xhr.onload = function () { var options = { status: xhr.status, statusText: xhr.statusText, headers: parseHeaders(xhr.getAllResponseHeaders() || '') } options.url = 'responseURL' in xhr ? xhr.responseURL...
try{awaitfetch('http://example.com'); }catch(err) { alert(err);//fetch 失败} 正如所料,获取失败。 这里的核心概念是源(origin)——域(domain)/端口(port)/协议(protocol)的组合。 跨源请求 —— 那些发送到其他域(即使是子域)、协议或端口的请求 —— 需要来自远程端的特殊 header。
.http.client.ClientProtocolException; import org.apache.http.client.config.RequestConfig; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost;...