nodejs上傳圖片并展示-創(chuàng)新互聯(lián)

效果圖

安鄉(xiāng)ssl適用于網(wǎng)站、小程序/APP、API接口等需要進(jìn)行數(shù)據(jù)傳輸應(yīng)用場(chǎng)景，ssl證書未來市場(chǎng)廣闊！成為創(chuàng)新互聯(lián)公司的ssl證書銷售渠道，可以享受市場(chǎng)價(jià)格4-6折優(yōu)惠！如果有意向歡迎電話聯(lián)系或者加微信：028-86922220（備注：SSL證書合作）期待與您的合作！

nodejs上傳圖片并展示

服務(wù)模塊

var http = require("http");

var url = require("url");

function start(route,handle){

function onRequest(request,response){

var pathname = url.parse(request.url).pathname;

if (pathname != "/favicon.ico") {

console.log("Request for" + pathname + " received");

route(handle,pathname,response,request);

}

http.createServer(onRequest).listen(8888);

console.log("Server has started");

}

exports.start = start;

路由模塊

function route(handle,pathname,response,request){

console.log("About to route a request for "+pathname);

if (typeof handle[pathname] === 'function') {

handle[pathname](response,request);

}else{

console.log("No request handler found for " + pathname);

response.writeHead(404,{"Content-Type":"text/plain"});

response.write("404 not found");

response.end();

}

exports.route = route;

請(qǐng)求處理模塊

var querystring = require("querystring"),

fs = require("fs"),

formidable = require("formidable");

function start(response) {

console.log("Request handler 'start' was called.");

var body = '<html>'+

'<head>'+

'<meta http-equiv="Content-Type" content="text/html; '+

'charset=UTF-8" />'+

'</head>'+

'<body>'+

'<form action="/upload" enctype="multipart/form-data" '+

'method="post">'+

'<input type="file" name="upload" multiple="multiple">'+

'<input type="submit" value="Upload file" />'+

'</form>'+

'</body>'+

'</html>';

response.writeHead(200, {"Content-Type": "text/html"});

response.write(body);

response.end();

}

function upload(response, request) {

console.log("Request handler 'upload' was called.");

var form = new formidable.IncomingForm();

console.log("about to parse");

form.parse(request, function(error, fields, files) {

console.log("parsing done");

var readStream = fs.createReadStream(files.upload.path);

var writeStream=fs.createWriteStream("./tmp/test.png");

readStream.pipe(writeStream);

readStream.on('end',function(){

fs.unlinkSync(files.upload.path);

});

response.writeHead(200, {"Content-Type": "text/html"});

response.write("received image:<br/>");

response.write("<img src='/show' />");

response.end();

});

}

function show(response) {

console.log("Request handler 'show' was called.");

fs.readFile("./tmp/test.png", "binary", function(error, file) {

if(error) {

response.writeHead(500, {"Content-Type": "text/plain"});

response.write(error + "\n");

response.end();

} else {

response.writeHead(200, {"Content-Type": "image/png"});

response.write(file, "binary");

response.end();

}

});

}

exports.start = start;

exports.upload = upload;

exports.show = show;

index.js

var server = require("./server");

var router = require("./route");

var requestHandlers = require("./requestHandlers");

var handle = {};

handle["/"] = requestHandlers.start;

handle["/start"] = requestHandlers.start;

handle["/upload"] = requestHandlers.upload;

handle["/show"] = requestHandlers.show;

server.start(router.route,handle);

訪問:http://localhost:8888/start

nodejs上傳圖片并展示

創(chuàng)新互聯(lián)www.cdcxhl.cn，專業(yè)提供香港、美國(guó)云服務(wù)器，動(dòng)態(tài)BGP最優(yōu)骨干路由自動(dòng)選擇，持續(xù)穩(wěn)定高效的網(wǎng)絡(luò)助力業(yè)務(wù)部署。公司持有工信部辦法的idc、isp許可證，機(jī)房獨(dú)有T級(jí)流量清洗系統(tǒng)配攻擊溯源，準(zhǔn)確進(jìn)行流量調(diào)度，確保服務(wù)器高可用性。佳節(jié)活動(dòng)現(xiàn)已開啟，新人活動(dòng)云服務(wù)器買多久送多久。

分享名稱：nodejs上傳圖片并展示-創(chuàng)新互聯(lián)
當(dāng)前地址：http://aaarwkj.com/article4/ccpeoe.html

成都網(wǎng)站建設(shè)公司_創(chuàng)新互聯(lián)，為您提供軟件開發(fā)、網(wǎng)站營(yíng)銷、面包屑導(dǎo)航、服務(wù)器托管、手機(jī)網(wǎng)站建設(shè)、用戶體驗(yàn)

聲明：本網(wǎng)站發(fā)布的內(nèi)容（圖片、視頻和文字）以用戶投稿、用戶轉(zhuǎn)載內(nèi)容為主，如果涉及侵權(quán)請(qǐng)盡快告知，我們將會(huì)在第一時(shí)間刪除。文章觀點(diǎn)不代表本網(wǎng)站立場(chǎng)，如需處理請(qǐng)聯(lián)系客服。電話：028-86922220；郵箱：631063699@qq.com。內(nèi)容未經(jīng)允許不得轉(zhuǎn)載，或轉(zhuǎn)載時(shí)需注明來源：創(chuàng)新互聯(lián)

猜你還喜歡下面的內(nèi)容

欧美一级特黄大片做受成人-亚洲成人一区二区电影-激情熟女一区二区三区-日韩专区欧美专区国产专区

nodejs上傳圖片并展示-創(chuàng)新互聯(lián)