鍓嶈█鍦ㄦ祻瑙堝櫒涓紝濡傛灉鎴戜滑瑕佸彂璧蜂竴涓姹傦紝鎴戜滑涔嬪墠浣跨敤鐨勬槸xhr锛屼絾鏄繖绉嶅簳灞侫PI鐨勮皟鐢ㄦ柟寮忓線寰€姣旇緝绠€鍗曘€備负浜嗘彁楂樺紑鍙戞晥鐜囷紝jQuery鐨?.ajax鍙兘鏄渶濂界殑閫夋嫨銆傚垢杩愮殑鏄紝鍚庢潵鍑虹幇浜嗘洿鐜颁唬鐨刦etchapi銆備絾鏄€冭檻鍒癴etch鐨勫吋瀹规€э紝涓嶆敮鎸佷竴浜涘叏灞€閰嶇疆鍜岃姹備腑鏂紝鍦ㄥ疄闄呬娇鐢ㄤ腑锛屾垜浠彲鑳戒細浣跨敤axios璇锋眰搴撴潵杩涜涓€浜涜姹傘€傚湪Node.js涓紝璇锋眰鍑犱箮鎬绘槸閫氳繃璇锋眰搴撹繘琛岀殑銆備笉骞哥殑鏄紝request鍦ㄤ袱骞村墠灏卞仠姝㈢淮鎶や簡锛岃€屼笖鍦∟ode.js涓壘鍒版浛浠ｅ簱骞朵笉瀹规槗銆傚湪request鐨刬ssues涓紝鏈変竴寮犺〃鎺ㄨ崘浜嗕竴浜汵ode.js甯哥敤鐨剅equest搴擄細packagenamepackagesizeAPIstyleintroductionnode-fetch0.4kbpromise/stream涓€涓皢window.fetch寮曞叆Node.jsgot48鐨勮交閲忕骇妯″潡銆?kbpromise/streamSimplifiedHTTPrequestsaxios11.9kbpromise/streamPromisebasedHTTPclientforthebrowserandnode.jssuperagent18kbchaining/promiseSmallprogressiveclient-sideHTTPrequestlibrary,andNode.jsmodulewiththesameAPI,sportsmanyhigh-levelHTTPclientfeaturesurllib816kbcallback/promiseHelpin鍦ㄥ鏉傜殑涓栫晫涓墦寮€URL锛堜富瑕佹槸HTTP锛夆€斺€斿熀鏈拰鎽樿韬唤楠岃瘉銆侀噸瀹氬悜銆乧ookie绛夌瓑銆俛xios鍦ㄦ祻瑙堝櫒涓骞挎硾浣跨敤锛屼絾鏄湪Node.js涓娇鐢ㄨ捣鏉ュ苟涓嶆柟渚匡紝灏ゅ叾鏄笂浼犳枃浠剁殑鏃跺€欍€備細鏈夊緢澶氭剰鎯充笉鍒扮殑闂銆傛渶杩戜笂缃戠殑鏃跺€欚煆勷煆匡紝鍙戠幇Node.js瀹樻柟鏈変竴涓姹傚簱锛歶ndici锛屽彇鍚嶅瓧姣旇緝澶嶆潅銆傞偅涔堬紝浠婂ぉ鐨勬枃绔犲氨鏉ヤ粙缁嶄竴涓媢ndici銆傞『渚胯涓€涓嬶紝undici鍦ㄦ剰澶у埄璇腑鏄?1鐨勬剰鎬濄€傜湅鏉ュ弻鍗佷竴蹇埌浜嗭紝瀵硅寘鍙板埄濂金煠斻€俇ndici鍦ㄦ剰澶у埄璇腑鏄崄涓€鐨勬剰鎬濄€?.1->11->鍗佷竴->Undici銆傚畠涔熸槸銆婃€鐗╄銆嬬殑鍙傝€冭祫鏂欍€傚紑濮嬶紝鎴戜滑鍙互鐩存帴閫氳繃npm瀹夎undici锛歯pminstallundici-Sundici鏆撮湶浜嗕竴涓璞★紝涓嬮潰鎻愪緵浜嗗嚑涓狝PI锛歶ndici.fetch锛氬彂璧疯姹傦紝涓庢祻瑙堝櫒涓殑fetch鏂瑰紡涓€鑷达紱undici.request锛氬彂璧疯姹傦紝鏈夌偣绫讳技request搴擄紝璇ユ柟娉曟敮鎸丳romise锛泆ndici.stream锛氬鐞嗘枃浠舵祦锛屽彲浠ョ敤鏉ヤ笅杞芥枃浠讹紱undici.fetch娉ㄦ剰锛氳鏂规硶瑕佹眰鑺傜偣鐗堟湰>=v16.5.0鍦ㄩ€氳繃undici.fetch璇锋眰鏈嶅姟涔嬪墠锛岄渶瑕侀€氳繃koa鍚姩涓€涓畝鍗曠殑鐧诲綍鏈嶅姟銆俢onstKoa=require('koa')constbodyParser=require('koa-bodyparser')constapp=newKoa()app.use(bodyParser())app.use(ctx=>{const{url,鏂规硶,body}=ctx.requestif(url==='/login'){if(method==='POST'){if(body.account==='shenfq'&&body.password==='123456'){ctx.body=JSON.stringify({name:'shenfq',mobile:'130xxxxxx'})return}}}ctx.status=404ctx.body=JSON.stringify({})})app.listen(3100)涓婇潰鐨勪唬鐮佸緢绠€鍗曪紝鍙敮鎸佹帴鍙椾竴涓狿OST鏂规硶鍒?login璺敱銆傝鎴戜滑浣跨敤undici.fetch鍙戝嚭涓€涓狿OST璇锋眰銆俢onst{fetch}=require('undici')constbootstrap=async()=>{constapi='http://localhost:3100/login'constrsp=awaitfetch(api,{鏂规硶:'POST',headers:{'content-type':'application/json'},body:JSON.stringify({account:'shenfq',password:'123456'})})if(rsp.status!==200){console.log(rsp.status,'requestfailed')return}constjson=awaitrsp.json()console.log(rsp.status,json)}bootstrap()濡傛灉璇锋眰鏂瑰紡鏀逛负GET锛屼細杩斿洖404銆俢onstrsp=awaitfetch(api,{method:'GET'})undici.requestundici.request鐨勮皟鐢ㄦ柟寮忎笌undici.fetch绫讳技锛屽弬鏁颁紶閫掔殑褰㈠紡涔熺被浼笺€俢onst{request}=require('undici')constbootstrap=async()=>{constapi='http://localhost:3100/login'const{body,statusCode}=awaitrequest(api,{method:'POST',鏍囬:{'content-type':'application/json'},body:JSON.stringify({account:'shenfq',password:'123456'})})constjson=awaitbody.json()console.log(statusCode,json)}bootstrap()鍙槸杩斿洖鐨勭粨鏋滄湁鐐逛笉鍚岋紝request鏂规硶杩斿洖鐨刪ttp鍝嶅簲缁撴灉鍦╞ody灞炴€т腑锛岃繖涓睘鎬т篃鏀寔绫讳技.json()/.text()鑾峰彇鏂规硶銆備腑姝㈣姹傚畨瑁呬腑姝㈡帶鍒跺櫒搴擄紝鐒跺悗瀹炰緥鍖栦腑姝㈡帶鍒跺櫒锛屽苟灏嗕腑鏂俊鍙蜂紶閫掑埌璇锋眰閰嶇疆涓€俷pmiabort-controllerconstundici=require('undici')constAbortController=require('abort-controller')//瀹炰緥鍖朼bort-controllerconstabortController=newAbortController()undici.request('http://127.0.0.1:3100',{method:'GET',//浼犲叆涓柇淇″彿閲忎俊鍙凤細abortController.signal,}).then(({statusCode,body})=>{body.on('data',(data)=>{console.log(statusCode,data.toString())})})鎴戜滑杩愯浠ｇ爜鍙戠幇鍙互璇锋眰鎴愬姛锛屽洜涓烘垜浠病鏈変富鍔ㄨ皟鐢ㄤ腑鏂柟娉曘€倁ndici.request('http://127.0.0.1:3100',{method:'GET',signal:abortController.signal,}).then(({statusCode,body})=>{console.log('requestsuccess')body.on('data',(data)=>{console.log(statusCode,data.toString())})}).catch(error=>{//鎹曡幏閿欒console.log('error',error.name)})//璋冪敤涓柇abortController.abort()鐜板湪杩愯浠ｇ爜锛屼細鍙戠幇娌℃湁杈撳嚭璇锋眰鎴愬姛鐨勬棩蹇楋紝杩涘叆catch閫昏緫锛屾垚鍔熶腑鏂姹傘€倁ndici.steamundici.steam鏂规硶鍙互鐢ㄦ潵涓嬭浇鏂囦欢锛屾垨鑰呮帴鍙ｄ唬鐞嗐€傛枃浠朵笅杞絚onstfs=require('fs')const{stream}=require('undici')constout=fs.createWriteStream('./SongDynasty-GeKiln-GoldWire.jpg')consturl='https://img.dpm.org.cn/Uploads/Picture/dc/cegift/cegift6389.jpg'stream(url,{opaque:out},({opaque})=>opaque)interfaceproxyconsthttp=require('http')constundici=require('undici')//灏?100绔彛鐨勮姹備唬鐞嗗埌80绔彛constclient=newundici.Client('http://localhost')http.createServer((req,res)=>{const{url,method}=reqclient.stream({method,path:url,opaque:res},({opaque})=>opaque)}).listen(3100)鎬荤粨鏈枃鍙槸浠嬬粛浜嗗嚑绉島ndici鐨勬柟寮忎娇鐢╝pi瀵逛簬undici鍏ラ棬鏉ヨ浼间箮姣旇緝浣庛€備絾鏄吋瀹规€т笉鏄緢濂斤紝姣斿fetch鍙敮鎸乶ode@v16.5.0浠ヤ笂鐨勭増鏈€傚浜庤繖涓瘮杈冩柊鐨勫簱锛屼釜浜哄缓璁厛瑙傛湜涓€娈垫椂闂淬€傝櫧鐒秗equest宸茬粡搴熷純浜嗭紝浣嗘槸鎴戜滑杩樻槸鐢ㄤ簡涓€浜涗箙缁忚€冮獙鐨勫簱锛屾瘮濡俥gg妗嗘灦鐢ㄧ殑urllib锛岃繕鏈変竴涓猲ode-fetch锛屾槸涓嶆槸鍏ラ棬姣旇緝浣庯紝鍜屼娇鐢ㄤ竴鑷存祻瑙堝櫒涓殑鑾峰彇api銆?/p>
