上传文件至PHP

post_file_to_php.php

var http = require('http');
var fs = require('fs');

function EncodeFieldPart(boundary,name,value) {
    var return_part = "--" + boundary + "\r\n";
    return_part += "Content-Disposition: form-data; name=\"" + name + "\"\r\n\r\n";
    return_part += value + "\r\n";
    return return_part;
}

function EncodeFilePart(boundary,type,name,filename) {
    var return_part = "--" + boundary + "\r\n";
    return_part += "Content-Disposition: form-data; name=\"" + name + "\"; filename=\"" + filename + "\"\r\n";
    return_part += "Content-Type: " + type + "\r\n\r\n";
    return return_part;
}


// Encode functions from above



function PreparePost() {
    var boundary = Math.random();
    var post_data = [];

    post_data.push(new Buffer(EncodeFieldPart(boundary, 'field1', 'value1'), 'ascii'));
    post_data.push(new Buffer(EncodeFieldPart(boundary, 'field2', 'value2'), 'ascii'));
    post_data.push(new Buffer(EncodeFilePart(boundary, 'text/plain', 'textfile', 'test.txt'), 'ascii'));

    var file_reader = fs.createReadStream('test.txt', {encoding: 'utf8'});
    var file_contents = '';
    file_reader.on('data', function(data){
	file_contents += data;
    });
    file_reader.on('end', function(){
	post_data.push(new Buffer(file_contents, 'utf8'))
	post_data.push(new Buffer("\r\n--" + boundary + "--"), 'ascii');

	MakePost(post_data, boundary);
    });
}



function MakePost(post_data, boundary) {

    var length = 0;

    for(var i = 0; i < post_data.length; i++) {
	length += post_data[i].length;
    }


    var post_options = {
	host: '127.0.0.1',
	port: '80',
	path: '/labs/yuanhuang/test.php',
	method: 'POST',
	headers : {
            'Content-Type' : 'multipart/form-data; boundary=' + boundary,
            'Content-Length' : length
	}
    };

    var post_request = http.request(post_options, function(response){
	response.setEncoding('utf8');
	response.on('data', function(chunk){
	    console.log(chunk);
	});
    });

    for (var i = 0; i < post_data.length; i++) {
	post_request.write(post_data[i]);
    }
    post_request.end();
}


PreparePost();


/* test.php */


/*

<?php
print_r($_POST);
print_r($_FILES);
?>

      
*/