code/Athena0.0.1/Web/Content/js/echarts/echarts.js

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/*!
 * ECharts, a javascript interactive chart library.
 *
 * Copyright (c) 2015, Baidu Inc.
 * All rights reserved.
 *
 * LICENSE
 * https://github.com/ecomfe/echarts/blob/master/LICENSE.txt
 */

/**
 * echarts
 *
 * @desc echarts基于Canvas，纯Javascript图表库，提供直观，生动，可交互，可个性化定制的数据统计图表。
 * @author Kener (@Kener-林峰, kener.linfeng@gmail.com)
 *
 */
define(function (require) {
    var ecConfig = require('./config');
    var zrUtil = require('zrender/tool/util');
    var zrEvent = require('zrender/tool/event');

    var self = {};

    var _canvasSupported = require('zrender/tool/env').canvasSupported;
    var _idBase = new Date() - 0;
    var _instances = {};    // ECharts实例map索引
    var DOM_ATTRIBUTE_KEY = '_echarts_instance_';

    self.version = '2.2.7';
    self.dependencies = {
        zrender: '2.1.1'
    };
    /**
     * 入口方法
     */
    self.init = function (dom, theme) {
        var zrender = require('zrender');
        if ((zrender.version.replace('.', '') - 0) < (self.dependencies.zrender.replace('.', '') - 0)) {
            console.error(
                'ZRender ' + zrender.version
                + ' is too old for ECharts ' + self.version
                + '. Current version need ZRender '
                + self.dependencies.zrender + '+'
            );
        }

        dom = dom instanceof Array ? dom[0] : dom;

        // dom与echarts实例映射索引
        var key = dom.getAttribute(DOM_ATTRIBUTE_KEY);
        if (!key) {
            key = _idBase++;
            dom.setAttribute(DOM_ATTRIBUTE_KEY, key);
        }

        if (_instances[key]) {
            // 同一个dom上多次init，自动释放已有实例
            _instances[key].dispose();
        }