Table of Contents
Echarts ?
force 力导向图
数据源说明
API开发
返回码约定
Home Backend Development PHP Tutorial ECharts之force力导引布局图——数据源说明及后端API约定

ECharts之force力导引布局图——数据源说明及后端API约定

Jun 13, 2016 pm 12:13 PM
echarts force quot

ECharts之force力导向布局图——数据源说明及后端API约定

Echarts ?

关于 Echarts 请移步这里

force 力导向图

实现方式,如:

<code>function require_EC () {	require(	    [	        'echarts',	        //载入force模块	        'echarts/chart/kforce'	    ],	    function (ec) {	    	//确定需要绘制的DOM	        setChats(ec);	    }	)}function setChats (ec) {	var myChart = ec.init(document.getElementById('main'));	myChart.setOption(option);}</code>
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数据源说明

主要三个数据源: categories (数据分类)、 nodes (图表中的节点名称)、 links (图表中节点之间的链接线),具体如下图:

force数据说明

API开发

力导向图数据 API文档 (个人意见仅供参考)

实现功能 1、categories、nodes、links、数组按需加载,减轻服务器压力;
2、对展示孤岛链接的优化
3、cache data 应用
接口传递的主要参数以及主要值 name、force、categories、nodes、links、cache、refresh
返回码 见 返回码附件图

参数说明:

API参数说明

请求示例:(详情看图片)

示例 链接 返回值 含义
force-api.php?name=demo1&force=nodes 图片详情 获取了 名称为 ”demo1“的力导向图表的 nodes(节点) 数据
force-api.php?name=demo1&force=categories 图片详情 获取了 名称为 ”demo1“的力导向图表的 categories(分类) 数据,【以此类推 links 不做举例】
force-api.php?name=demo1_isolated_all&force=links 图片详情 【如何获取 孤岛链接?】将 孤岛链接组成的图表 当成一张新的图表 即可:如图, 获取了 demo1的所有孤岛链接(demo1_isolated_all)的 links 数组
force-api.php?name=demo1_isolated_all&force=nodes&cache=refresh 图片详情 获取了 demo1的所有孤岛链接(demo1_isolated_all)的 node 数组 并做了 强制刷新

注:第一次请求服务器,如果请求正确返回码将是

<code>code: "2200",message: "nodes success",</code>
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第二次请求服务器 将会返回

<code>code: "3304",message: "cache:2015-01-19 15:14:43",</code>
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除非加上参数 cache=refresh 缓存时间3天

返回码约定

返回码约定

附上此次 API 接口源码php (php随便写了下,轻拍……):下载

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