【JavaScript 封装库】Prototype 原型版发布！

/*
    源码作者: 石不易(Louis Shi)
    联系方式: http://www.shibuyi.net
    ===================================================================================================
    程序名称: JavaScript 封装库 Prototype 版
    迭代版本: 无
    功能总数: 14 个
    功能介绍: 
        1. 实现代码连缀
        2. id / name / tagName / class 节点获取
        3. class 选择器添加与移除
        4. css 规则添加与移除
        5. 设置与获取元素内部文本
        6. 设置与获取css
        7. 实现 click 事件
*/

// 实例化入口
function $() {
    return new Base();
}

// 封装库构造方法
function Base() {
    this.elements = [];
}

// 获取id元素节点
Base.prototype.getId = function (id) {
    this.elements.push(document.getElementById(id));
    return this;
};

// 获取name元素节点
Base.prototype.getName = function (name, position) {
    if (typeof position != 'undefined') { // 局部
        var nodes = $().getTagName('*', position).elements;
        for (var i = 0; i < nodes.length; i ++) {
            if (nodes[i].getAttribute('name') == name) this.elements.push(nodes[i]);
        }
    } else { // 全局
        var nodes = document.getElementsByName(name);
        for (var i = 0; i < nodes.length; i ++) {
            this.elements.push(nodes[i]);
        }
    }
    return this;
};

// 获取tagName元素节点
Base.prototype.getTagName = function (tagName, position) {
    if (typeof position != 'undefined') { // 局部
        var nodes = $().getId(position).elements[0].getElementsByTagName(tagName);
    } else { // 全局
        var nodes = document.getElementsByTagName(tagName);
    }
    for (var i = 0; i < nodes.length; i ++) {
        this.elements.push(nodes[i]);
    }
    return this;
};

// 获取class元素节点
Base.prototype.getClass = function (className, position) {
    if (typeof position != 'undefined') { // 局部
        var nodes = $().getTagName('*', position).elements;
    } else { // 全局
        var nodes = $().getTagName('*').elements;
    }
    for (var i = 0; i < nodes.length; i ++) {
        if (nodes[i].className == className) this.elements.push(nodes[i]);
    }
    return this;
};

// 获取与设置innerHTML
Base.prototype.html = function (text) {
    if (typeof text != 'undefined') { // 设置
        for (var i = 0; i < this.elements.length; i ++) {
            this.elements[i].innerHTML = text;
        }
    } else { // 获取
        var html = [];
        for (var i = 0; i < this.elements.length; i ++) {
            html.push(this.elements[i].innerHTML);
        }
        return html;
    }
    return this;
};

// 获取与设置CSS
Base.prototype.css = function (cssKey, cssValue) {
    if (typeof cssValue != 'undefined' || cssKey instanceof Array) { // 设置
        for (var i = 0; i < this.elements.length; i ++) {
            if (cssKey instanceof Array) {
                var _cssKye, _cssValue, _css;
                for (var j = 0; j < cssKey.length; j ++) {
                    if (cssKey[j].match(/([a-z]+)s*=s*([w#]+)/i) != null) { // ['color=red', 'backgroundColor = green']
                        _css = cssKey[j].split(/s*=s*/);
                        _cssKey = _css[0];
                        _cssValue = _css[1];
                        this.elements[i].style[_cssKey] = _cssValue;
                    }
                }
            } else {
                this.elements[i].style[cssKey] = cssValue;
            }
        }
    } else { // 获取
        var css = [];
        for (var i = 0; i < this.elements.length; i ++) {
            if (typeof window.getComputedStyle != 'undefined') { // W3C
                css.push(window.getComputedStyle(this.elements[i], null)[cssKey]);
            } else if (typeof this.elements[i].currentStyle != 'undefined') { // IE 6/7/8
                css.push(this.elements[i].currentStyle[cssKey]);
            }
        }
        return css;
    }
    return this;
};

// 检测class选择器
Base.prototype.hasClass = function (className) {
    var results = [];
    for (var i = 0; i < this.elements.length; i ++) {
        results.push(!!this.elements[i].className.match(new RegExp('(\s|^)' + className + '(\s|$)')));
    }
    return results;
};

// 添加class选择器
Base.prototype.addClass = function (className) {
    var space = '';
    var results = this.hasClass(className);
    for (var i = 0; i < results.length; i ++) {
        if (!results[i]) {
            if (this.elements[i].className != '') space = ' ';
            this.elements[i].className += space + className;
        }
    }
    return this;
};

// 移除class选择器
Base.prototype.removeClass = function (className) {
    var results = this.hasClass(className);
    for (var i = 0; i < results.length; i ++) {
        if (results[i]) this.elements[i].className = this.elements[i].className.replace(new RegExp('(\s|^)' + className + '(\s|$)'), '');
    }
    return this;
};

// 添加样式规则Rule
Base.prototype.addRule = function (ruleName, ruleText, index, position) {
    if (typeof index == 'undefined') index = 0;
    if (typeof position == 'undefined') position = 0;
    var sheet = document.styleSheets[index];
    if (typeof sheet != 'undefined') {
        if (typeof sheet.insertRule != 'undefined') { // W3C
            sheet.insertRule(ruleName + ' {' + ruleText + '}', position);
        } else if (sheet.addRule != 'undefined') { // IE 6/7/8
            sheet.addRule(ruleName, ruleText, position);
        }
    }
    return this;
};

// 移除样式规则Rule
Base.prototype.removeRule = function (index, position) {
    if (typeof index == 'undefined') index = 0;
    if (typeof position == 'undefined') position = 0;
    var sheet = document.styleSheets[index];
    if (typeof sheet != 'undefined') {
        if (typeof sheet.deleteRule != 'undefined') { // W3C
            sheet.deleteRule(position);
        } else if (typeof sheet.removeRule != 'undefined') { // IE 6/7/8
            sheet.removeRule(position);
        }
    }
    return this;
};

// 鼠标 click 事件
Base.prototype.click = function (method) {
    if (method instanceof Function) {
        for (var i = 0; i < this.elements.length; i ++) {
            this.elements[i].onclick = method;
        }
    }
    return this;
};

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