nodejs读取配置文件

INI.js(模块）

var eol = process.platform === "win32" ? "
" : "
"
 
function INI() {
    this.sections = {};
}
 
/**
 * 删除Section
 * @param sectionName
 */
INI.prototype.removeSection = function (sectionName) {
 
    sectionName =  sectionName.replace(/[/g,'(');
    sectionName = sectionName.replace(/]/g,')');
 
    if (this.sections[sectionName]) {
        delete this.sections[sectionName];
    }
}
/**
 * 创建或者得到某个Section
 * @type {Function}
 */
INI.prototype.getOrCreateSection = INI.prototype.section = function (sectionName) {
 
    sectionName =  sectionName.replace(/[/g,'(');
    sectionName = sectionName.replace(/]/g,')');
 
    if (!this.sections[sectionName]) {
        this.sections[sectionName] = {};
    }
    return this.sections[sectionName]
}
 
/**
 * 将INI转换成文本
 *
 * @returns {string}
 */
INI.prototype.encodeToIni = INI.prototype.toString = function encodeIni() {
    var _INI = this;
    var sectionOut = _INI.encodeSection(null, _INI);
    Object.keys(_INI.sections).forEach(function (k, _, __) {
        if (_INI.sections) {
            sectionOut += _INI.encodeSection(k, _INI.sections[k])
        }
    });
    return sectionOut;
}
 
/**
 *
 * @param section
 * @param obj
 * @returns {string}
 */
INI.prototype.encodeSection = function (section, obj) {
    var out = "";
    Object.keys(obj).forEach(function (k, _, __) {
        var val = obj[k]
        if (val && Array.isArray(val)) {
            val.forEach(function (item) {
                out += safe(k + "[]") + " = " + safe(item) + "
"
            })
        } else if (val && typeof val === "object") {
        } else {
            out += safe(k) + " = " + safe(val) + eol
        }
    })
    if (section && out.length) {
        out = "[" + safe(section) + "]" + eol + out
    }
    return out+"
";
}
function safe(val) {
    return (typeof val !== "string" || val.match(/[
]/) || val.match(/^[/) || (val.length > 1 && val.charAt(0) === """ && val.slice(-1) === """) || val !== val.trim()) ? JSON.stringify(val) : val.replace(/;/g, '\;')
}
 
var regex = {
    section: /^s*[s*([^]]*)s*]s*$/,
    param: /^s*([w.-\_]+)s*=s*(.*?)s*$/,
    comment: /^s*;.*$/
};
 
/**
 *
 * @param data
 * @returns {INI}
 */
exports.parse = function (data) {
    var value = new INI();
    var lines = data.split(/
|
|
/);
    var section = null;
    lines.forEach(function (line) {
        if (regex.comment.test(line)) {
            return;
        } else if (regex.param.test(line)) {
            var match = line.match(regex.param);
            if (section) {
                section[match[1]] = match[2];
            } else {
                value[match[1]] = match[2];
            }
        } else if (regex.section.test(line)) {
            var match = line.match(regex.section);
            section = value.getOrCreateSection(match[1])
        } else if (line.length == 0 && section) {
            section = null;
        }
        ;
    });
    return value;
}
 
/**
 * 创建INI
 * @type {Function}
 */
exports.createINI = exports.create = function () {
    return new INI();
};
 
var fs = require('fs');
 
exports.loadFileSync =function(fileName/*,charset*/){
    return exports.parse(fs.readFileSync(fileName, "utf-8")) ;
}

　　

conf.ini：

[user]
username=test
password=123456

　实际调用实例：

var INI = require("../ini/INI");//INI模块
var ini___ = INI.loadFileSync("conf.ini")//从conf.ini读取配置
var se = ini___.getOrCreateSection("user");//取得httpserver
var username = se['username'];
var password= se['password'];