jsplumb實現流程圖

本篇文章介紹使用jsplumb實現的一個流程圖，將實現效果和代碼貼到下面，由于初次使用jsplumb，代碼寫的比較粗糙。

本文章的工程代碼可以點擊查看下載，歡迎一起討論學習。

流程圖使用工具匯總

效果圖

image.png

源代碼

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
    #diagramContainer {
      font-size: smaller;   
      padding: 20px;
      height: 400px;
      border: 1px solid gray;
      background: #fff;
      background-image: 
        linear-gradient(#bab5b54d 1px, transparent 0), 
        linear-gradient(90deg, #bab5b54d 1px, transparent 0), 
        linear-gradient(#bab5b54d 1px, transparent 0), 
        linear-gradient(90deg, #bab5b54d 1px, transparent 0);
      background-size: 15px 15px, 15px 15px, 75px 75px, 75px 75px;
    }

    .rectangle-size {
      position: absolute;
      text-align: center;
      line-height: 40px;
      height: 40px;
      width: 100px;
      border: 2px solid #000;
      border-radius: 5px;
    }

    .circle-size {
      position: absolute;
      text-align: center;
      line-height: 100px;
      height: 100px;
      width: 100px;
      border: 2px solid #000;
      border-radius: 50px;
    }

    .cst-label {
      background-color: white; 
      padding: 5px;
    }

    .dim-color {
      color: #a2a1a1;
      border-color: #a2a1a1;
    }
  </style>
</head>

<body>
  <div id="diagramContainer">
    <div id="alert_occur" class="rectangle-size">告警發生</div>
    <div id="alert_sync" class="rectangle-size" style="left: 200px;">告警同步</div>
    <div id="alert_storage" class="rectangle-size" style="left: 400px;" >告警入庫</div>
    <div id="alert_conv" class="rectangle-size" style="left: 600px;">創建/收斂單子</div>
    <div id="alert_analysis" class="circle-size" style="left: 400px; top: 150px; background-color: #8ec2eb">告警分析</div>

    <div id="alert_ass_analysis" class="rectangle-size" style="left: 540px; top: 100px;">告警XX分析</div>
    <div id="alert_ass_sync" class="rectangle-size" style="left: 700px; top: 100px;">同步XX信息</div>
    <div id="alert_reason_analysis" name="alert_reason_analysis" class="rectangle-size" style="left:860px; top: 100px;">告警YY分析</div>
    <div id="alert_reason_sync" name="alert_reason_analysis" class="rectangle-size" style="left: 1020px; top: 100px;">同步YY分析</div>

    <div id="alert_std_analysis" name="alert_std_analysis" class="rectangle-size" style="left: 540px; top: 180px;">ZZ分析</div>
    <div id="alert_std_sync" name="alert_std_analysis" class="rectangle-size" style="left: 700px; top: 180px;">同步ZZ分析</div>

    <div id="alert_check_analysis" name="alert_check_analysis" class="rectangle-size" style="left: 540px; top: 260px;">MM分析</div>
    <div id="alert_check_sync" name="alert_check_analysis" class="rectangle-size" style="left: 700px; top: 260px;">同步MM分析</div>
  </div>
  <script src="./js/jquery-1.11.3.js"></script>
  <script src="./js/jquery-ui.js"></script>
  <script src="./js/jquery.jsplumb.js"></script>

  <script>
    /* global jsPlumb */
    function makeStyle(flag) {
      let config = {};
      config.connectorPaintStyle = {
        lineWidth: 1,
        strokeStyle: flag == 'dim' ? '#a2a1a1' : 'black',
        joinstyle: 'round',
        outlineColor: '',
        outlineWidth: ''
      };

      // 鼠標懸浮在連接線上的樣式
      config.connectorHoverStyle = {
        lineWidth: 2,
        strokeStyle: '#4caf50',
        outlineWidth: 10,
        outlineColor: ''
      };

      return {
        // 端點形狀
        endpoint: ['Dot', {
          radius: 6,
          fill: flag == 'dim' ? '#a2a1a1' : 'black'
        }],
        // 連接線的樣式
        connectorStyle: config.connectorPaintStyle,
        connectorHoverStyle: config.connectorHoverStyle,
        // 端點的樣式
        paintStyle: {
          fillStyle: flag == 'dim' ? '#a2a1a1' : 'black',
          radius: 4
        },
        hoverPaintStyle: {
          fillStyle: '#4caf50',
          strokeStyle: '#4caf50'
        },
        isSource: true,
        connector: ['Straight', {
          gap: 0,
          cornerRadius: 5,
          alwaysRespectStubs: true
        }],
        isTarget: true,
        // 設置連接點最多可以鏈接幾條線
        maxConnections: -1,
        connectorOverlays: [
          ['Arrow', {
            width: 8,
            length: 10,
            location: 1
          }]
        ]
      };
    }
    
    let config = {
      baseStyle: makeStyle('base'),
      dimStyle: makeStyle('dim')
    };
    let connections = {};

    jsPlumb.ready(function () {
      let nodes_data = {};    
      let alert_nodes = ["alert_storage", "alert_conv", "alert_ass_analysis"]
      let analysis_nodes = ["alert_reason_analysis", "alert_std_analysis", "alert_check_analysis"];
      alert_nodes.map(item => nodes_data[item] = {
        exist: true,
        cost: (Math.random() * 10).toFixed(1)
      });
      analysis_nodes.map(item => nodes_data[item] = {
        exist: Math.random() * 10 > 3,
        cost: (Math.random() * 10).toFixed(1)
      });
      let pointStyle = config.baseStyle;

      jsPlumb.setContainer('diagramContainer');   
      jsPlumb.addEndpoint('alert_occur', {uuid: 'alert_occur_r', anchor: 'Right'}, pointStyle);
      jsPlumb.addEndpoint('alert_sync', {uuid: 'alert_sync_l', anchor: 'Left'}, pointStyle);
      jsPlumb.addEndpoint('alert_sync', {uuid: 'alert_sync_r', anchor: 'Right'}, pointStyle);
      jsPlumb.addEndpoint('alert_storage', {uuid: 'alert_storage_l', anchor: 'Left'}, pointStyle);
      jsPlumb.addEndpoint('alert_storage', {uuid: 'alert_storage_r', anchor: 'Right'}, pointStyle);
      jsPlumb.addEndpoint('alert_storage', {uuid: 'alert_storage_b', anchor: 'Bottom'}, pointStyle);
      jsPlumb.addEndpoint('alert_conv', {uuid: 'alert_conv_l', anchor: 'Left'}, pointStyle);
      jsPlumb.addEndpoint('alert_analysis', {uuid: 'alert_analysis_t', anchor: 'Top'}, pointStyle);   
      jsPlumb.addEndpoint('alert_analysis', {uuid: 'alert_analysis_r', anchor: 'Right'}, pointStyle);
      jsPlumb.addEndpoint('alert_ass_analysis', {uuid: 'alert_ass_analysis_l', anchor: 'Left'}, pointStyle);
      jsPlumb.addEndpoint('alert_ass_analysis', {uuid: 'alert_ass_analysis_r', anchor: 'Right'}, pointStyle);
      jsPlumb.addEndpoint('alert_ass_sync', {uuid: 'alert_ass_sync_l', anchor: 'Left'}, pointStyle);

      if (nodes_data.alert_reason_analysis.exist) {
        pointStyle = config.baseStyle;
      } else {
        pointStyle = config.dimStyle;
      }
      jsPlumb.addEndpoint('alert_ass_sync', {uuid: 'alert_ass_sync_r', anchor: 'Right'}, pointStyle);
      jsPlumb.addEndpoint('alert_reason_analysis', {uuid: 'alert_reason_analysis_l', anchor: 'Left'}, pointStyle);
      jsPlumb.addEndpoint('alert_reason_analysis', {uuid: 'alert_reason_analysis_r', anchor: 'Right'}, pointStyle);
      jsPlumb.addEndpoint('alert_reason_sync', {uuid: 'alert_reason_sync_l', anchor: 'Left'}, pointStyle);

      if (nodes_data.alert_std_analysis.exist) {
        pointStyle = config.baseStyle;
      } else {
        pointStyle = config.dimStyle;
      }
      jsPlumb.addEndpoint('alert_std_analysis', {uuid: 'alert_std_analysis_l', anchor: 'Left'}, pointStyle);
      jsPlumb.addEndpoint('alert_std_analysis', {uuid: 'alert_std_analysis_r', anchor: 'Right'}, pointStyle);
      jsPlumb.addEndpoint('alert_std_sync', {uuid: 'alert_std_sync_l', anchor: 'Left'}, pointStyle);

      if (nodes_data.alert_check_analysis.exist) {
        pointStyle = config.baseStyle;
      } else {
        pointStyle = config.dimStyle;
      }
      jsPlumb.addEndpoint('alert_check_analysis', {uuid: 'alert_check_analysis_l', anchor: 'Left'}, pointStyle);
      jsPlumb.addEndpoint('alert_check_analysis', {uuid: 'alert_check_analysis_r', anchor: 'Right'}, pointStyle);
      jsPlumb.addEndpoint('alert_check_sync', {uuid: 'alert_check_sync_l', anchor: 'Left'}, pointStyle);

      jsPlumb.connect({uuids: ['alert_occur_r', 'alert_sync_l']});
      let alert_storage = jsPlumb.connect({uuids: ['alert_sync_r', 'alert_storage_l']});
      alert_storage.addOverlay(['Custom', {
        create: function (component) {
          return $('<span style="background-color: white; padding: 5px;">過濾</span>');
        },
        location: 0.5
      }]);
      connections['alert_storage'] = alert_storage;

      let alert_conv = jsPlumb.connect({uuids: ['alert_storage_r', 'alert_conv_l']});
      connections['alert_conv'] = alert_conv;
   
      jsPlumb.connect({uuids: ['alert_storage_b', 'alert_analysis_t']});
      let alert_ass_analysis = jsPlumb.connect({uuids: ['alert_analysis_r', 'alert_ass_analysis_l']});
      connections['alert_ass_analysis'] = alert_ass_analysis;
      jsPlumb.connect({uuids: ['alert_ass_analysis_r', 'alert_ass_sync_l']});
      let alert_reason_analysis = jsPlumb.connect({uuids: ['alert_ass_sync_r', 'alert_reason_analysis_l']});
      connections['alert_reason_analysis'] = alert_reason_analysis;
      jsPlumb.connect({uuids: ['alert_reason_analysis_r', 'alert_reason_sync_l']});

      let alert_std_analysis = jsPlumb.connect({uuids: ['alert_analysis_r', 'alert_std_analysis_l']});
      connections['alert_std_analysis'] = alert_std_analysis;
      jsPlumb.connect({uuids: ['alert_std_analysis_r', 'alert_std_sync_l']});

      let alert_check_analysis = jsPlumb.connect({uuids: ['alert_analysis_r', 'alert_check_analysis_l']});
      connections['alert_check_analysis'] = alert_check_analysis;
      jsPlumb.connect({uuids: ['alert_check_analysis_r', 'alert_check_sync_l']});

      jsPlumb.draggable(
        $(".rectangle-size,.circle-size"), 
        {containment: 'diagramContainer'}
      );

      console.info(nodes_data);
      displayTimeCost(nodes_data);
    });

    function displayTimeCost(nodes_data) {
      for (let con in nodes_data) {
        debugger
        if (!nodes_data[con].exist) {
          $(`[name=${con}]`).addClass('dim-color');
          continue;
        }

        let color = nodes_data[con].cost > 1 ? 'crimson' : '#4CAF50';
        connections[con].addOverlay(['Custom', {
          create: function (component) {
            return $(`<p style="color: white; background-color: ${color}; padding: 2px; border-radius: 5px; margin-left: 100px; margin-top: 18px; font-size: xx-small;">耗時${nodes_data[con].cost}s</p>`);
          },
          location: 1,
          id: con
        }]);
      }
    }
  </script>
</body>

</html>
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