Gojs简单例子

Gojs简单例子-LMLPHP

前台代码：

<!DOCTYPE html>

<html xmlns:th="http://www.thymeleaf.org">

<head>

    <script src="/lib/go-js/assets/js/go.js"></script>

    <script id="code" th:inline="javascript">

        /*<![CDATA[*/

        function init() {

            var keynode, mapnode;

            keynode = eval([[${nodekey}]]);

            mapnode = eval([[${nodemap}]]);

            console.log(keynode);

            console.log(mapnode)

            if (window.goSamples) goSamples();

            var $ = go.GraphObject.make;

            myDiagram = $(go.Diagram, "myDiagramDiv",

                {

                    initialContentAlignment: go.Spot.Center,

                    "undoManager.isEnabled": true

                });

            myDiagram.nodeTemplate =

                $(go.Node, "Auto",

                    $(go.Shape, "RoundedRectangle", {strokeWidth: 1},

                        new go.Binding("fill", "color")),

                    $(go.TextBlock,

                        {margin: 20, width: 60, height: 20},

                        new go.Binding("text", "key"))

                );

            // myDiagram.model = new go.GraphLinksModel(

            //     [

            //         {key: "Alpha", color: "lightblue"},

            //         {key: "Beta", color: "orange"},

            //         {key: "Gamma", color: "lightgreen"},

            //         {key: "Delta", color: "pink"}

            //     ], [

            //         {from: "Alpha", to: "Beta"},

            //         {from: "Alpha", to: "Gamma"},

            //         {from: "Gamma", to: "Delta"},

            //         {from: "Delta", to: "Alpha"}

            //     ]

            // );

            myDiagram.model = new go.GraphLinksModel(keynode, mapnode);

        }

        /*]]>*/

    </script>

</head>

<body onload="init()">

<div id="sample">

    <div id="myDiagramDiv" style="border: solid 1px black; width:800px; height:800px"></div>

</div>

</body>

</html>

后台代码：

package com.thunisoft.maybeemanagementcenter.controller;

import com.fasterxml.jackson.core.JsonProcessingException;

import com.thunisoft.maybeemanagementcenter.pojo.LinkMap;

import com.thunisoft.maybeemanagementcenter.pojo.LinkNode;

import com.thunisoft.maybeemanagementcenter.util.JsonHelper;

import com.thunisoft.maybeemanagementcenter.util.JsonStrUltil;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.RequestMapping;

import java.util.ArrayList;

import java.util.List;

@Controller

@RequestMapping("/sleuth")

public class SleuthController {

    /**

     *

     */

    @GetMapping("/index")

    public String index(Model model) {

        List<LinkNode> nodekey = new ArrayList<>();

        nodekey.add(new LinkNode("a"));

        nodekey.add(new LinkNode("b"));

        nodekey.add(new LinkNode("c"));

        nodekey.add(new LinkNode("d"));

        List<LinkMap> nodemap = new ArrayList<>();

        nodemap.add(new LinkMap("a", "b"));

        nodemap.add(new LinkMap("a", "c"));

        nodemap.add(new LinkMap("c", "d"));

        nodemap.add(new LinkMap("d", "a"));

        JsonHelper jm = new JsonHelper();

        String nodekeyjson = null;

        String nodemapjson = null;

        try {

            nodekeyjson = jm.toJson(nodekey);

            nodemapjson = jm.toJson(nodemap);

        } catch (JsonProcessingException e) {

            e.printStackTrace();

        }

        model.addAttribute("nodekey", nodekeyjson);

        model.addAttribute("nodemap", nodemapjson);

        return "link";

    }

}

pojo：

package com.thunisoft.maybeemanagementcenter.pojo;

/**

 * 链路中节点

 */

public class LinkNode {

    private String key;

    private String color = "lightblue"; /*背景颜色，默认亮蓝色*/

    public LinkNode(String key) {

        this.key = key;

    }

    public LinkNode(String key, String color) {

        this.key = key;

        this.color = color;

    }

    public String getKey() {

        return key;

    }

    public void setKey(String key) {

        this.key = key;

    }

    public String getColor() {

        return color;

    }

    public void setColor(String color) {

        this.color = color;

    }

}

package com.thunisoft.maybeemanagementcenter.pojo;

/**

 * 链路之间节点映射

 */

public class LinkMap {

    private String from;

    private String to;

    public LinkMap(String from, String to) {

        this.from = from;

        this.to = to;

    }

    public String getFrom() {

        return from;

    }

    public void setFrom(String from) {

        this.from = from;

    }

    public String getTo() {

        return to;

    }

    public void setTo(String to) {

        this.to = to;

    }

}

GoJS

Gojs简单例子