箭头形状

在SpreadJS中,你可以使用不同种类的箭头来添加线条形状,包括:普通箭头(没有边是尖的)、基本箭头(两边都是尖的)、开放箭头、隐形箭头、椭圆形箭头和菱形箭头。

您可以使用 ConnectorShape API 自定义线条的属性: style: 获取或设置线条形状的样式。
window.onload = function () { var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss")); initSpread(spread); initEvent(spread); }; var arrowheadLength = { "short" : 0, "medium" : 1, "long" : 2 }; var arrowheadWidth = { "narrow" : 0, "medium" : 1, "wide" : 2 }; var activeShape; function fillShapeTypeList(type, dom) { var names = []; for (var name in type) { if(name === "none" || (parseInt(name, 10)) == name) { continue; } names.push({name: name, value: type[name]}); } names.sort(function (a, b) { return a.name > b.name ? 1 : -1 }); var html = ""; names.forEach(function (item) { html += '<option value="' + item.value + '">' + item.name + '</option>'; }); dom.innerHTML= html; } function getActiveConnectorShape(sheet) { return sheet.shapes.all().filter(function(sp){ return sp.isSelected() && sp instanceof GC.Spread.Sheets.Shapes.ConnectorShape; }); } function initSpread(spread) { setConnectorPropVisibility("none"); fillShapeTypeList(GC.Spread.Sheets.Shapes.ArrowheadStyle, _getElementById("beginArrowheadStyle")); fillShapeTypeList(GC.Spread.Sheets.Shapes.ArrowheadStyle, _getElementById("endArrowheadStyle")); fillShapeTypeList(arrowheadLength, _getElementById("beginArrowheadLength")); fillShapeTypeList(arrowheadLength, _getElementById("endArrowheadLength")); fillShapeTypeList(arrowheadWidth, _getElementById("beginArrowheadWidth")); fillShapeTypeList(arrowheadWidth, _getElementById("endArrowheadWidth")); var line1 = spread.getActiveSheet().shapes.addConnector("line", GC.Spread.Sheets.Shapes.ConnectorType.straight, 20, 40, 200, 110); var line2 = spread.getActiveSheet().shapes.addConnector("line", GC.Spread.Sheets.Shapes.ConnectorType.straight, 20, 110, 200, 190); var line3 = spread.getActiveSheet().shapes.addConnector("line", GC.Spread.Sheets.Shapes.ConnectorType.elbow, 300, 40, 500, 90); var line4 = spread.getActiveSheet().shapes.addConnector("line", GC.Spread.Sheets.Shapes.ConnectorType.elbow, 300, 130, 500, 190); var lineShapeStyle = line1.style(); lineShapeStyle.line.width = 3; lineShapeStyle.line.color = "#82BC00"; line1.style(lineShapeStyle); line2.style(lineShapeStyle); line3.style(lineShapeStyle); line4.style(lineShapeStyle); } function setConnectorPropVisibility(display) { var connectorProp = _getElementById("connectorProp"); connectorProp.style.display = display; } function initEvent(spread) { var spreadNS = GC.Spread.Sheets; var sheet = spread.getActiveSheet(); sheet.bind(spreadNS.Events.ShapeSelectionChanged, function () { var selectedShape = sheet.shapes.all().filter(function(sp){ return sp.isSelected(); }); var isShapeSelected = false, isConnectorSelected = false; if (selectedShape.length > 0) { selectedShape.forEach(function (shape) { if (!isShapeSelected && shape instanceof spreadNS.Shapes.Shape) { isShapeSelected = true; } else if (!isConnectorSelected && shape instanceof spreadNS.Shapes.ConnectorShape) { isConnectorSelected = true; } }); if (isConnectorSelected) { setConnectorPropVisibility("block"); } else { setConnectorPropVisibility("none"); } } else { setConnectorPropVisibility("none"); } }); _getElementById("beginArrowheadStyleActionBtn").addEventListener('click', function() { _handleConnectorShapeStyleSetting(spread, 'beginStyle', _getElementById("beginArrowheadStyle")); }); _getElementById("beginArrowheadWidthActionBtn").addEventListener('click', function() { _handleConnectorShapeStyleSetting(spread, 'beginWidth', _getElementById("beginArrowheadWidth")); }); _getElementById("beginArrowheadLengthActionBtn").addEventListener('click', function() { _handleConnectorShapeStyleSetting(spread, 'beginLength', _getElementById("beginArrowheadLength")); }); _getElementById("endArrowheadStyleActionBtn").addEventListener('click', function() { _handleConnectorShapeStyleSetting(spread, 'endStyle', _getElementById("endArrowheadStyle")); }); _getElementById("endArrowheadWidthActionBtn").addEventListener('click', function() { _handleConnectorShapeStyleSetting(spread, 'endWidth', _getElementById("endArrowheadWidth")); }); _getElementById("endArrowheadLengthActionBtn").addEventListener('click', function() { _handleConnectorShapeStyleSetting(spread, 'endLength', _getElementById("endArrowheadLength")); }); } function _handleConnectorShapeStyleSetting(spread, action, valueDom) { var sheet = spread.getActiveSheet(); activeShape = getActiveConnectorShape(sheet); if(activeShape.length > 0) { activeShape.forEach(function (shape) { _setConnectorShapeStyle(shape, action, parseInt(valueDom.value)); }); sheet.repaint(); } } function _setConnectorShapeStyle(shape, action, value) { var shapeStyle = shape.style(); var shapeStyleLine = shapeStyle.line; switch (action) { case "beginStyle": { shapeStyleLine.beginArrowheadStyle = value; break; } case "beginWidth": { shapeStyleLine.beginArrowheadWidth = value; break; } case "beginLength": { shapeStyleLine.beginArrowheadLength = value; break; } case "endStyle": { shapeStyleLine.endArrowheadStyle = value; break; } case "endWidth": { shapeStyleLine.endArrowheadWidth = value; break; } case "endLength": { shapeStyleLine.endArrowheadLength = value; break; } } shape.style(shapeStyle); } function _getElementById(id){ return document.getElementById(id); }
<!doctype html> <html style="height:100%;font-size:14px;"> <head> <meta name="spreadjs culture" content="zh-cn" /> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <link rel="stylesheet" type="text/css" href="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets/styles/gc.spread.sheets.excel2013white.css"> <script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets/dist/gc.spread.sheets.all.min.js" type="text/javascript"></script> <script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets-shapes/dist/gc.spread.sheets.shapes.min.js" type="text/javascript"></script> <script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets-resources-zh/dist/gc.spread.sheets.resources.zh.min.js" type="text/javascript"></script> <script src="$DEMOROOT$/spread/source/js/license.js" type="text/javascript"></script> <script src="app.js" type="text/javascript"></script> <link rel="stylesheet" type="text/css" href="styles.css"> </head> <body> <div class="sample-tutorial"> <div id="ss" class="sample-spreadsheets"></div> <div class="options-container"> <div class="option-row"> Select a shape and change the arrow-head properties to see the effect. </div> <div id="divideLine" class="divide-line"></div> <div id="connectorProp" class="option-row"> <label for="beginArrowheadStyle">Begin Arrowhead Style:</label> <select id='beginArrowheadStyle' class="shapeSelect"></select> <input id="beginArrowheadStyleActionBtn" type="button" data-attr="style" data-isBegin=true class='value arrow-action-button' value="Set" /> <label>Begin Arrowhead Width:</label> <select id="beginArrowheadWidth" class="shapeSelect"></select> <input id="beginArrowheadWidthActionBtn" type="button" data-attr="width" data-isBegin=true class='value arrow-action-button' value="Set" /> <label>Begin Arrowhead Length:</label> <select id="beginArrowheadLength" class="shapeSelect"></select> <input id="beginArrowheadLengthActionBtn" type="button" data-attr="length" data-isBegin=true class='value arrow-action-button' value="Set" /> <label for="endArrowheadStyle">End Arrowhead Style:</label> <select id='endArrowheadStyle' class="shapeSelect"></select> <input id="endArrowheadStyleActionBtn" type="button" data-attr="style" data-isBegin=false class='value arrow-action-button' value="Set" /> <label>End Arrowhead Width:</label> <select id="endArrowheadWidth" class="shapeSelect"></select> <input id="endArrowheadWidthActionBtn" type="button" data-attr="width" data-isBegin=false class='value arrow-action-button' value="Set" /> <label>End Arrowhead Length:</label> <select id="endArrowheadLength" class="shapeSelect"></select> <input id="endArrowheadLengthActionBtn" type="button" data-attr="length" data-isBegin=false class='value arrow-action-button' value="Set" /> </div> </div> </div> </body> </html>
.sample-tutorial { position: relative; height: 100%; overflow: hidden; } .sample-spreadsheets { width: calc(100% - 280px); height: 100%; overflow: hidden; float: left; } .options-container { float: right; width: 280px; padding: 12px; height: 100%; box-sizing: border-box; background: #fbfbfb; overflow: auto; } .option-row { font-size: 14px; padding-left: 5px; } .divide-line { width: 100%; height: 1px; background: #cbcbcb; margin-top: 10px; margin-bottom: 3px; } .title { text-align: center; font-weight: bold; } label { display: block; margin-top: 15px; margin-bottom: 5px; } p { padding: 2px 10px; background-color: #F4F8EB; } input { width: 160px; margin-left: 10px; display: inline; } input[type=button] { width: 50px; margin-left: 1px; } select { width: 160px; margin-left: 10px; display: inline; } textarea { width: 160px; margin-left: 10px; } body { position: absolute; top: 0; bottom: 0; left: 0; right: 0; }