工作流程在线编辑
身为一个码农,在家无事想想最近的项目需要用到工作流,由于之前对工作流不太熟悉,在家学习一下petri net经典工作流,然后用html5画出流程图顺便学习一下h5的画图功能,没有做不到只有想不到,一个上午就能弄出一个不错的成果,使用了一个在线开源的画图框架,参考:http://jointjs.com
效果图和源码如下
<!DOCTYPE html> <html lang="en"> <script> function addAction() { var a= new joint.shapes.basic.Rect({ position: { x:0, y: 30 }, size: { width: 50, height: 50 }, attrs: { rect: { fill: 'green','stroke-width': 2, stroke: 'black' }, text: { text: '提交', fill: 'white' } } }); a.on('batch:start', function(element) { be(this); }); graph.addCell(a); } function addPlace() { var r = new joint.shapes.basic.Rect({ position: { x: 0, y: 30 }, size: { width: 100, height: 100 }, attrs: { rect: { fill: 'blue',rx:45,ry:45,'stroke-width': 2, stroke: 'black' }, text: { text: '开始', fill: 'white' } } }); r.on('batch:start', function(element) { be(this); }); graph.addCell(r); } function addLink() { var l = new joint.dia.Link({ source: { x: 170, y: 200 }, target: { x: 480, y: 200 }, attrs: { // Define a filter for the whole link (special selector '.' means the root element ) '.': { filter: { name: 'dropShadow', args: { dx: 1, dy: 1, blur: 2 } } }, '.connection': { stroke: 'blue' }, '.marker-target': { fill: 'black', d: 'M 10 0 L 0 5 L 10 10 z' } } }); graph.addCell(l); } var obj; function saveLabel() { var label=$("#name").val(); obj.attr({text:{text:label}}); } function be(element) { obj=element; $("#name").val(element.attr('text').text); } function deleteEl() { obj.remove(); } </script> <head> <link rel="stylesheet" type="text/css" href="js/joint.css" /> <script src="js/jquery.min.js"></script> <script src="js/lodash.min.js"></script> <script src="js/backbone-min.js"></script> <script src="js/joint.js"></script> <meta charset="UTF-8"> <title>WF</title> </head> <body> <a href="#" onclick="addLink()" >线</a> <a href="#" onclick="addPlace()">圆</a> <a href="#" onclick="addAction()">动作</a> <input type="text" id="name"/> <input type="button" onclick="saveLabel()" value="更新"/> <input id="eid" type="hidden" > <input type="button" onclick="deleteEl()" value="删除"/> <div id="myholder"></div> <script type="text/javascript"> var graph = new joint.dia.Graph; var paper = new joint.dia.Paper({ el: $('#myholder'), width: 600, height: 200, model: graph, gridSize: 1 }); var rect = new joint.shapes.basic.Rect({ position: { x: 100, y: 30 }, size: { width: 100, height: 100 }, attrs: { rect: { fill: 'blue',rx:45,ry:45,'stroke-width': 2, stroke: 'black' }, text: { text: '开始', fill: 'white' } } }); var action= new joint.shapes.basic.Rect({ position: { x:400, y: 30 }, size: { width: 50, height: 50 }, attrs: { rect: { fill: 'green','stroke-width': 2, stroke: 'black' }, text: { text: '提交', fill: 'white' } } }); var action2=action.clone(); action2.attr({text: { text: '拒绝'}}); action2.translate(0,100); var rect2 = rect.clone(); rect2.attr({text: { text: '结束'},rect:{fill:'red'}}); rect2.translate(500); var link = new joint.dia.Link({ source: { id: rect.id }, target: { id: action.id } }); link.attr({ '.connection': { stroke: 'blue' }, '.marker-target': { fill: 'black', d: 'M 10 0 L 0 5 L 10 10 z' } }); var link2= new joint.dia.Link({ source: { id: rect.id }, target: { id: action2.id }, }); var link3= new joint.dia.Link({ source: { id: action.id }, target: { id: rect2.id } }); var link4= new joint.dia.Link({ source: { id: action2.id }, target: { id: rect2.id } }); link2.attr({ '.connection': { stroke: 'blue' }, '.marker-target': { fill: 'black', d: 'M 10 0 L 0 5 L 10 10 z' } }); link3.attr({ '.connection': { stroke: 'blue' }, '.marker-target': { fill: 'black', d: 'M 10 0 L 0 5 L 10 10 z' } }); link4.attr({ '.connection': { stroke: 'blue' }, '.marker-target': { fill: 'black', d: 'M 10 0 L 0 5 L 10 10 z' } }); graph.addCells([rect, rect2,action2,action, link,link2,link3,link4]); var es=graph.getElements(); for(var x in es){ es[x].on('batch:start', function(element) { be(this); }); } var 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posted on 2016-08-13 16:04 HelloHongfu 阅读(655) 评论(0) 编辑 收藏 举报