NODE07---POST request, form submission, file upload

<! DOCTYPE html>Name:<input type= "text" name= "name" > </p> <p>Gender:<input type= "Radio" name= "Sex" value= "male" >male<input type= "Radio" name= "Sex" value= "women" >female</p> <p>Hobbies:<input type= "checkbox" name= "hobby" value= "Sleep"/> Sleep <input type= "checkbox" name= "hobby" value= "eat"/&G t; eat <input type= "checkbox" name= "hobby" value= "soccer"/> Soccer </p> <p>Photo:<input type= "File" name= "Tupian"/> </p> <p> <input type= "Submit"/> </p> </form></body>
/** * Poest submit a form*/varHTTP = require ("http");varQueryString = Require ("querystring");//Creating a servervarServer = Http.createserver (function(Req,res) {//each time the request executes the function, the outside is already executed.         //If your access address is this, and the request type is post    if(Req.url = = "/dopost" && req.method.toLowerCase () = = "POST") {Console.log ("Req.url:" +Req.url); Console.log ("Req.method:" +Req.method); varAllData = ""; //here is a POST request to receive a formula, node in order to pursue the ultimate, it is a small segment of a small segment received.         //accept a short paragraph, perhaps to others to serve. Prevents an oversized form from blocking the entire process, asynchronous operation. Req.addlistener ("Data",function(chunk) {alldata+=Chunk;        }); //all transmissions complete .Req.addlistener ("End",function(){            varDatastring =alldata.tostring (); Res.end ("Success"); //Convert datastring to a JSON object            varDataobj =Querystring.parse (datastring);            Console.log (Dataobj);            Console.log (Dataobj.name);        Console.log (Dataobj.sex);    }); }}); Server.listen (3000, "127.0.0.1");
third, POST request1varAllData = "";2//here is a formula that the POST request receives3//node in order to pursue the Acme, it is a small segment of a small segment received. 4//accept a short paragraph, perhaps to others to serve. Prevents an oversized form from blocking the entire process5 Req.addlistener ("Data",function(chunk) {6 AllData + =Chunk;7        });8//all transmissions complete .9 Req.addlistener ("End",function(){10Console.log (alldata.tostring ());Res.end ("Success");12}), native write post processing, more complex, to write two listening. File upload business is difficult to write. So, use a third-party module. Formidable. As long as the file upload is involved, the form tag is added with a property:1<form action= "Http://127.0.0.1/dopost" method= "post" enctype= "Multipart/form-data" >
/** * File Upload, change the form submission method. */varHTTP = require ("http");varFormidable = require (' formidable '));varUtil = require ("Util"); Console.log ("QQQ");//Creating a servervarServer = Http.createserver (function(req,res) {//If your access address is this, and the request type is postConsole.log ("QQQQQQQ"); if(Req.url = = "/dopost" && req.method.toLowerCase () = = "POST"){        varform =NewFormidable.        Incomingform (); //set File Upload storage addressForm.uploaddir = "./uploads"; //when the callback function is executed, the form is fully received.         //The name sex is all in the Fields object, files is the fileForm.parse (req,function(Err, fields, files) {if(err) {Throwerr;            } console.log (fields);            Console.log (files);            Console.log (Util.inspect ({fields:fields, files:files})); //all text fields, radio boxes, are stored in field;            //all file domains, filesRes.writehead, {' Content-type ': ' Text/plain '}); Res.end (Success);    }); }}); Server.listen (3000);
File Upload and rename
/** * Created by Danny on 2015/9/20 15:35.*/varHTTP = require ("http");varFormidable = require (' formidable '));varUtil = require ("Util");varFS = require ("FS");varSD = require ("Silly-datetime");varPath = require ("path");//Creating a servervarServer = Http.createserver (function(req,res) {//If your access address is this, and the request type is post    if(Req.url = = "/dopost" && req.method.toLowerCase () = = "POST"){        //creates a new incoming form.        varform =NewFormidable.        Incomingform (); //set File Upload storage addressForm.uploaddir = "./uploads"; //when the callback function is executed, the form is fully received. Form.parse (req,function(Err, fields, files) {//if (err) {            //throw err;            //}            //Console.log (Util.inspect ({fields:fields, files:files}));            //time, using a third-party module, Silly-datetime            varTTT = Sd.format (NewDate (), ' Yyyymmddhhmmss '); varran = parseint (Math.random () * 89999 + 10000); varExtname =Path.extname (files.tupian.name); //Perform renaming            varOldPath = __dirname + "/" +Files.tupian.path; //The new path consists of three parts: timestamp, random number, extended name            varNewPath = __dirname + "/uploads/" + TTT + ran +Extname; //renamingFs.rename (Oldpath,newpath,function(err) {if(err) {ThrowError ("Rename failed"); } res.writehead ($, {' Content-type ': ' Text/plain '}); Res.end (Success);        });    }); }Else if(Req.url = = "/"){        //presenting form.html pageFs.readfile ("./form.html",function(err,data) {Res.writehead ($, {' Content-type ': ' text/html '});        Res.end (data); })    }Else{Res.writehead (404, {' Content-type ': ' text/html '}); Res.end ("404"); }}); Server.listen (80, "192.168.41.36");
NODE07---POST request, form submission, file upload