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, 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; 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;
}
}