drawflow.js实现一个拖拽绘制流程图效果代码-html代码-BFW代码库

代码语言：html
所属分类：其他
代码描述：drawflow.js实现一个拖拽绘制流程图效果代码
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!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>Drawflow | Simple Flow program libray</title>
  <meta name="description" content="Simple library for flow programming. Drawflow allows you to create data flows easily and quickly.">
</head>
<body>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/drawflow.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/js/all.min.js" integrity="sha256-KzZiKy0DWYsnwMF+X1DvQngQ2/FxF7MF3Ff72XcpuPs=" crossorigin="anonymous"></script>
<link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/drawflow.min.css">
<style>
    :root {
  --border-color: #cacaca;
  --background-color: #ffffff;

  --background-box-title: #f7f7f7;
}

html, body {
  margin: 0px;
  padding: 0px;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  font-family: 'Roboto', sans-serif;
}

header {
  height: 66px;
  border-bottom: 1px solid var(--border-color);
  padding-left: 20px;
}
header h2 {
  margin: 0px;
  line-height: 66px;
}
header a {
  color: black;
}
.them-edit-link {
  position: absolute;
  top: 10px;
  right: 100px;
  color: black;
  font-size: 40px;
}
.them-edit-link a {
  text-decoration: none;
}

.github-link{
  position: absolute;
  top: 10px;
  right: 20px;
  color: black;
}

.wrapper {
  width: 100%;
  height: calc(100vh - 67px);
  display: flex;
}

.col {
  overflow: auto;
  width: 300px;
  height: 100%;
  border-right: 1px solid var(--border-color);
}

.drag-drawflow {
  line-height: 50px;
  border-bottom: 1px solid var(--border-color);
  padding-left: 20px;
  cursor: move;
  user-select: none;
}
.menu {
  position: absolute;
  height: 40px;
  display: block;
  background: white;
  width: 100%;
}
.menu ul {
  padding: 0px;
  margin: 0px;
  line-height: 40px;
}

.menu ul li {
  display: inline-block;
margin-left: 10px;
border-right: 1px solid var(--border-color);
padding-right: 10px;
line-height: 40px;
cursor: pointer;
}

.menu ul li.selected {
  font-weight: bold;
}

.btn-export {
  float: right;
  position: absolute;
  top: 10px;
  right: 10px;
  color: white;
  font-weight: bold;
  border: 1px solid #0e5ba3;
  background: #4ea9ff;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  z-index: 5;
}

.btn-clear {
  float: right;
  position: absolute;
  top: 10px;
  right: 85px;
  color: white;
  font-weight: bold;
  border: 1px solid #96015b;
  background: #e3195a;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  z-index: 5;
}
.swal-wide{
    width:80% !important;
}

.btn-lock {
  float: right;
  position: absolute;
  bottom: 10px;
  right: 140px;
  display: flex;
  font-size: 24px;
  color: white;
  padding: 5px 10px;
  background: #555555;
  border-radius: 4px;
  border-right: 1px solid var(--border-color);
  z-index: 5;
  cursor: pointer;
}

.bar-zoom {
  float: right;
  position: absolute;
  bottom: 10px;
  right: 10px;
  display: flex;
  font-size: 24px;
  color: white;
  padding: 5px 10px;
  background: #555555;
  border-radius: 4px;
  border-right: 1px solid var(--border-color);
  z-index: 5;
}
.bar-zoom svg {
  cursor: pointer;
  padding-left: 10px;
}
.bar-zoom svg:nth-child(1) {
  padding-left: 0px;
}

#drawflow {
  position: relative;
  width: calc(100vw - 301px);
  height: calc(100% - 50px);
  top: 40px;
  background: var(--background-color);
  background-size: 25px 25px;
  background-image:
   linear-gradient(to right, #f1f1f1 1px, transparent 1px),
   linear-gradient(to bottom, #f1f1f1 1px, transparent 1px);
}

@media only screen and (max-width: 768px) {
  .col {
    width: 50px;
  }
  .col .drag-drawflow span {
    display:none;
  }
  #drawflow {
    width: calc(100vw - 51px);
  }
}



/* Editing Drawflow */

.drawflow .drawflow-node {
  background: var(--background-color);
  border: 1px solid var(--border-color);
  -webkit-box-shadow: 0 2px 15px 2px var(--border-color);
  box-shadow: 0 2px 15px 2px var(--border-color);
  padding: 0px;
  width: 200px;
}

.drawflow .drawflow-node.selected  {
  background: white;
  border: 1px solid #4ea9ff;
  -webkit-box-shadow: 0 2px 20px 2px #4ea9ff;
  box-shadow: 0 2px 20px 2px #4ea9ff;
}

.drawflow .drawflow-node.selected .title-box {
  color: #22598c;
  /*border-bottom: 1px solid #4ea9ff;*/
}

.drawflow .connection .main-path {
  stroke: #4ea9ff;
  stroke-width: 3px;
}

.drawflow .drawflow-node .input, .drawflow .drawflow-node .output {
  height: 15px;
  width: 15px;
  border: 2px solid var(--border-color);
}

.drawflow .drawflow-node .input:hover, .drawflow .drawflow-node .output:hover {
  background: #4ea9ff;
}

.drawflow .drawflow-node .output {
  right: 10px;
}

.drawflow .drawflow-node .input {
  left: -10px;
  background: white;
}

.drawflow > .drawflow-delete {
  border: 2px solid #43b993;
  background: white;
  color: #43b993;
  -webkit-box-shadow: 0 2px 20px 2px #43b993;
  box-shadow: 0 2px 20px 2px #43b993;
}

.drawflow-delete {
  border: 2px solid #4ea9ff;
  background: white;
  color: #4ea9ff;
  -webkit-box-shadow: 0 2px 20px 2px #4ea9ff;
  box-shadow: 0 2px 20px 2px #4ea9ff;
}

.drawflow-node .title-box {
  height: 50px;
  line-height: 50px;
  background: var(--background-box-title);
  border-bottom: 1px solid #e9e9e9;
  border-radius: 4px 4px 0px 0px;
  padding-left: 10px;
}
.drawflow .title-box svg {
  position: initial;
}
.drawflow-node .box {
  padding: 10px 20px 20px 20px;
  font-size: 14px;
  color: #555555;

}
.drawflow-node .box p {
  margin-top: 5px;
  margin-bottom: 5px;
}

.drawflow-node.welcome {
  width: 250px;
}

.drawflow-node.slack .title-box {
  border-radius: 4px;
}

.drawflow-node input, .drawflow-node select, .drawflow-node textarea {
  border-radius: 4px;
  border: 1px solid var(--border-color);
  height: 30px;
  line-height: 30px;
  font-size: 16px;
  width: 158px;
  color: #555555;
}

.drawflow-node textarea {
  height: 100px;
}


.drawflow-node.personalized {
  background: red;
  height: 200px;
  text-align: center;
  color: white;
}
.drawflow-node.personalized .input {
  background: yellow;
}
.drawflow-node.personalized .output {
  background: green;
}

.drawflow-node.personalized.selected {
  background: blue;
}

.drawflow .connection .point {
  stroke: var(--border-color);
  stroke-width: 2;
  fill: white;
  
}

.drawflow .connection .point.selected, .drawflow .connection .point:hover {
  fill: #4ea9ff;
}


/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 7;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  overflow: auto;
  background-color: rgb(0,0,0);
  background-color: rgba(0,0,0,0.7);

}

.modal-content {
  position: relative;
  background-color: #fefefe;
  margin: 15% auto; /* 15% from the top and centered */
  padding: 20px;
  border: 1px solid #888;
  width: 400px; /* Could be more or less, depending on screen size */
}

/* The Close Button */
.modal .close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor:pointer;
}

@media only screen and (max-width: 768px) {
  .modal-content {
    width: 80%;
  }
}
</style>
<link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/all.5.15.3.css">
  <link href="https://fonts.googleapis.com/css2?family=Roboto&display=swap" rel="stylesheet">
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/sweetalert2.all.js"></script>
  <script src="https://unpkg.com/micromodal/dist/micromodal.min.js"></script>


  <header>
    <h2>Drawflow</h2>
   
  </header>
  <div class="wrapper">
    <div class="col">
      <div class="drag-drawflow" draggable="true" ondragstart="drag(event)" data-node="facebook">
        <i class="fab fa-facebook"></i><span> Facebook</span>
      </div>
      <div class="drag-drawflow" draggable="true" ondragstart="drag(event)" data-node="slack">
        <i class="fab fa-slack"></i><span> Slack recive message</span>
      </div>
      <div class="drag-drawflow" draggable="true" ondragstart="drag(event)" data-node="github">
        <i class="fab fa-github"></i><span> Github Star</span>
      </div>
      <div class="drag-drawflow" draggable="true" ondragstart="drag(event)" data-node="telegram">
        <i class="fab fa-telegram"></i><span> Telegram send message</span>
      </div>
      <div class="drag-drawflow" draggable="true" ondragstart="drag(event)" data-node="aws">
        <i class="fab fa-aws"></i><span> AWS</span>
      </div>
      <div class="drag-drawflow" draggable="true" ondragstart="drag(event)" data-node="log">
        <i class="fas fa-file-signature"></i><span> File Log</span>
      </div>
      <div class="drag-drawflow" draggable="true" ondragstart="drag(event)" data-node="google">
        <i class="fab fa-google-drive"></i><span> Google Drive save</span>
      </div>
      <div class="drag-drawflow" draggable="true" ondragstart="drag(event)" data-node="email">
        <i class="fas fa-at"></i><span> Email send</span>
      </div>
      <div class="drag-drawflow" draggable="true" ondragstart="drag(event)" data-node="template">
        <i class="fas fa-code"></i><span> Template</span>
      </div>
      <div class="drag-drawflow" draggable="true" ondragstart="drag(event)" data-node="multiple">
        <i class="fas fa-code-branch"></i><span> Multiple inputs/outputs</span>
      </div>
      <div class="drag-drawflow" draggable="true" ondragstart="drag(event)" data-node="personalized">
        <i class="fas fa-fill"></i><span> Personalized</span>
      </div>
      <div class="drag-drawflow" draggable="true" ondragstart="drag(event)" data-node="dbclick">
        <i class="fas fa-mouse"></i><span> DBClick!</span>
      </div>


    </div>
    <div class="col-right">
      <div class="menu">
        <ul>
          <li onclick="editor.changeModule('Home'); changeModule(event);" class="selected">Home</li>
          <li onclick="editor.changeModule('Other'); changeModule(event);">Other Module</li>
        </ul>
      </div>
      <div id="drawflow" ondrop="drop(event)" ondragover="allowDrop(event)">

        <div class="btn-export" onclick="Swal.fire({ title: 'Export',
        html: '<pre><code>'+JSON.stringify(editor.export(), null,4)+'</code></pre>'
        })">Export</div>
        <div class="btn-clear" onclick="editor.clearModuleSelected()">Clear</div>
        <div class="btn-lock">
          <i id="lock" class="fas fa-lock" onclick="editor.editor_mode='fixed'; changeMode('lock');"></i>
          <i id="unlock" class="fas fa-lock-open" onclick="editor.editor_mode='edit'; changeMode('unlock');" style="display:none;"></i>
        </div>
        <div class="bar-zoom">
          <i class="fas fa-search-minus" onclick="editor.zoom_out()"></i>
          <i class="fas fa-search" onclick="editor.zoom_reset()"></i>
          <i class="fas fa-search-plus" onclick="editor.zoom_in()"></i>
        </div>
      </div>
    </div>
  </div>

  <script>
    var id = document.getElementById("drawflow");
    const editor = new Drawflow(id);
    editor.reroute = true;
    const dataToImport = {"drawflow":{"Home":{"data":{"1":{"id":1,"name":"welcome","data":{},"class":"welcome","html":"\n    <div>\n      <div class=\"title-box\">👏 Welcome!!</div>\n      <div class=\"box\">\n        <p>Simple flow library <b>demo</b>\n        <a href=\"https://github.com/jerosoler/Drawflow\" target=\"_blank\">Drawflow</a> by <b>Jero Soler</b></p><br>\n\n        <p>Multiple input / outputs<br>\n           Data sync nodes<br>\n           Import / export<br>\n           Modules support<br>\n           Simple use<br>\n           Type: Fixed or Edit<br>\n           Events: view console<br>\n           Pure Javascript<br>\n        </p>\n        <br>\n        <p><b><u>Shortkeys:</u></b></p>\n        <p>🎹 <b>Delete</b> for remove selected<br>\n        💠 Mouse Left Click == Move<br>\n        ❌ Mouse Right == Delete Option<br>\n        🔍 Ctrl + Wheel == Zoom<br>\n        📱 Mobile support<br>\n        ...</p>\n      </div>\n    </div>\n    ","typenode": false, "inputs":{},"outputs":{},"pos_x":50,"pos_y":50},"2":{"id":2,"name":"slack","data":{},"class":"slack","html":"\n          <div>\n            <div class=\"title-box\"><i class=\"fab fa-slack\"></i> Slack chat message</div>\n          </div>\n          ","typenode": false, "inputs":{"input_1":{"connections":[{"node":"7","input":"output_1"}]}},"outputs":{},"pos_x":1028,"pos_y":87},"3":{"id":3,"name":"telegram","data":{"channel":"channel_2"},"class":"telegram","html":"\n          <div>\n            <div class=\"title-box\"><i class=\"fab fa-telegram-plane\"></i> Telegram bot</div>\n            <div class=\"box\">\n              <p>Send to telegram</p>\n              <p>select channel</p>\n              <select df-channel>\n                <option value=\"channel_1\">Channel 1</option>\n                <option value=\"channel_2\">Channel 2</option>\n                <option value=\"channel_3\">Channel 3</option>\n                <option value=\"channel_4\">Channel 4</option>\n              </select>\n            </div>\n          </div>\n          ","typenode": false, "inputs":{"input_1":{"connections":[{"node":"7","input":"output_1"}]}},"outputs":{},"pos_x":1032,"pos_y":184},"4":{"id":4,"name":"email","data":{},"class":"email","html":"\n            <div>\n              <div class=\"title-box\"><i class=\"fas fa-at\"></i> Send Email </div>\n            </div>\n            ","typenode": false, "inputs":{"input_1":{"connections":[{"node":"5","input":"output_1"}]}},"outputs":{},"pos_x":1033,"pos_y":439},"5":{"id":5,"name":"template","data":{"template":"Write your template"},"class":"template","html":"\n            <div>\n              <div class=\"title-box\"><i class=\"fas fa-code\"></i> Template</div>\n              <div class=\"box\">\n                Ger Vars\n                <textarea df-template></textarea>\n                Output template with vars\n              </div>\n            </div>\n            ","typenode": false, "inputs":{"input_1":{"connections":[{"node":"6","input":"output_1"}]}},"outputs":{"output_1":{"connections":[{"node":"4","output":"input_1"},{"node":"11","output":"input_1"}]}},"pos_x":607,"pos_y":304},"6":{"id":6,"name":"github","data":{"name":"https://github.com/jerosoler/Drawflow"},"class":"github","html":"\n          <div>\n            <div class=\"title-box\"><i class=\"fab fa-github \"></i> Github Stars</div>\n            <div class=\"box\">\n              <p>Enter repository url</p>\n            <input type=\"text\" df-name>\n            </div>\n          </div>\n          ","typenode": false, "inputs":{},"outputs":{"o.........完整代码请登录后点击上方下载按钮下载查看