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README
Apache-2.0

MetricFlow.js

介绍

MetricFlow是一个前端画图的javascript库,可用于构建可拖拽、可灵活定义的数据流图、任务流图、知识图谱展示等

展示

参考demo6.html

demo6.html

参考demo7.html

demo7.html

文档

快速上手

1. 创建画布

创建画布只需要定义div标签即可,并声明画布的widthheight

<div id="graph" height="700px" width="1100px" ></div>

2. 创建节点

/*在画布上创建图*/
let metricFlow = MetricFlow("graph")
/*定义节点数据*/
let nodeData= {
    "id":"primaryKey",//id在全局中不能重复,否则会被覆盖
    "title":{'name':"运行时间统计"},
    "data":[
       {'name':'方法:IndexController#method1'},
       {'name':'平均耗时:0.333ms'},
     ]
};
/*在(20,200)坐标上创建一个节点*/
let node1 = metricFlow.createNode(nodeData,10,200);
/*或者直接在nodeData中定义位置x和y属性,然后*/
/*metricFlow.createNode(nodeData);*/

创建节点demo-demo1.html

3. 创建连线

let metricFlow = MetricFlow("graph")
let node1Data= {
    "x":10,
    "y":200,
    "id":"node1",
    "title":{'name':"运行时间统计"},
    "data":[
       {'name':'方法:IndexController#method1'},
       {'name':'平均耗时:0.333ms'},
     ]
};
let node1 = metricFlow.createNode(node1Data);

let node2Data= {
    "x":300,
    "y":200,
    "id":"node2",
    "title":{'name':"运行时间统计"},
    "data":[
       {'name':'方法:IndexController#method1'},
       {'name':'平均耗时:0.333ms'},
     ]
};
let node2 = metricFlow.createNode(node2Data);
/*连接两个节点*/
metricFlow.createLink(node1,node2);

或者直接在末尾节点中指定from属性,无需metricFlow.createLink(node1,node2);

let metricFlow = MetricFlow("graph")
let node1Data= {
    "x":10,
    "y":200,
    "id":"node1",
    "title":{'name':"运行时间统计"},
    "data":[]
};
let node1 = metricFlow.createNode(node1Data);

let node2Data= {
    "x":300,
    "y":200,
    "id":"node2",
    "from":"node1",//from的值可以是string 也可以是数组
    "title":{'name':"运行时间统计"},
    "data":[]
};
let node2 = metricFlow.createNode(node2Data);

创建连线demo(两个节点)-demo2.html

创建连线demo(三个节点)-demo3.html

4. 批量创建节点

批量创建节点有两种方式,第一种使用list创建,并在每个节点数据中指定from属性即可创建关系:


            let metricFlow = MetricFlow("graph")

            /*定义节点数据*/
            let node1Data= {
                "x":20,
                "y":200,
                "id":"node1",
                "title":{'name':"节点1"}
            };

            let node2Data= {
                "x":300,
                "y":50,
                "id":"node2",
                "from":"node1",
                "title":{'name':"节点2"}
            };
            let node3Data= {
                "x":300,
                "y":300,
                "id":"node3",
                "from":"node1",
                "title":{'name':"节点3"}
            };
            let nodes = [node1Data,node2Data,node3Data];
            metricFlow.createNodes(nodes);

批量创建节点-demo8.html

第二种使用children属性创建,根节点的x和y需指定,其余子节点会自动向右排列

let nodes= {
            "x":20,
            "y":200,
             ...
            "children":[
                {
                    "id":"node3",
                     ...
                    "children":[
                        {...}
                    ]
                },
            ]
        };

metricFlow.createNodes(nodes);

自动创建的时候如果节点间距不合适,可调整

let options = {
                'node-distance-offsetx':5,//左右间距+5
                'node-distance-offsety':-5//上下间距-5
            };
let metricFlow = MetricFlow("graph",options)

自动创建的时候如果数据格式不匹配,又不想遍历处理,可传入函数调整

function format(data){
    data['value'] = data['value']+"ms";
    return data;
}
metricFlow.createNodes(nodes,format);

批量创建节点-demo9.html

样式定义

1. 更改节点样式

节点由三部分组成,分别是 标题、元素集和剩余的背景,每一个部分都支持两种样式定义方式:

第一种是沿用了css的样式,在数据上添加style即可,如,更改整个节点的边框颜色和粗细:

let node2Data= {
    "id":"node2",
    "style":"border-color:red;border-width:2px;",
    "title":{'name':"运行时间统计"},
    "data":[
       {'name':'方法:IndexController#method1'},
       {'name':'平均耗时:0.333ms'},
     ]
};

第二种是提取了background-colorborder-color两个样式,可以单独配置

let node2Data= {
    "id":"node2",
    "background-color":"red",
    "border-color":"red",
    "title":{'name':"运行时间统计"},
    "data":[
       {'name':'方法:IndexController#method1'},
       {'name':'平均耗时:0.333ms'},
     ]
};

样式定义demo-demo4.html

2. 更改标题样式

let node2Data= {
    "id":"node2",
    "title":{'name':"运行时间统计","style":"background-color:red;border-color:red;font-size:15px;"},
    "data":[
       {'name':'方法:IndexController#method1'},
       {'name':'平均耗时:0.333ms'},
     ]
};

样式定义demo-demo4.html

3. 更改元素样式

let node2Data= {
    "id":"node2",
    "title":{'name':"运行时间统计"},
    "data":[
       {'name':'方法:IndexController#method1',"style":"font-size:10px;"},
       {'name':'平均耗时:0.333ms',"style":"font-size:10px;"},
     ]
};

样式定义demo-demo4.html

连线配置

连线位置目前仅支持偏移量定义,可在创建MetricFlow时定义

连线分为起始点和终点,可设置全局的起始点的偏移位置,主要考虑前端框架使用较为复杂时css冲突所导致位置偏移的校正

let options = {
                'link-start-offsetx':1,//起始点向右偏移一个单位
                'link-start-offsety':-1,//起始点向上偏移一个单位
                'link-end-offsetx':-1,
                'link-end-offsety':-1,
                'link-width-offset':-1,//线段粗细减小1个单位
                'link-color':"blue", //更改线段颜色
            };
let metricFlow = MetricFlow("graph",options)

连线位置demo-demo5.html

节点事件

支持基本的鼠标事件,如clickdblclickmousedownmouseup等,与原生js一致,事件在对应节点身上配置即可:

let node1Data= {
            "id":"primaryKey",
            "title":{'name':"双击"},
            'click':"sinclick", //单击 sinclick为函数名
            'dblclick':"doubleClick",//双击
            "data":[
               {'name':'方法:IndexController#method1'},
               {'name':'平均耗时:0.333ms'},
             ]
        };

连线位置demo-demo11.html

版本说明

V1.0:创建节点;连线;样式定义;鼠标事件

版权说明

1.本项目版权属作者所有,并使用 Apache-2.0进行开源;

2.您可以使用本项目进行学习、商用或者开源,但任何使用了本项目的代码的软件和项目请尊重作者的原创权利;

3.如果您使用并修改了本项目的源代码,请注明修改内容以及出处;

4.其他内容请参考Apache-2.0

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简介

MetricFlow是一个前端画图的javascript库,可用于构建数据流图、任务流图、知识图谱展示等 展开 收起
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