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;
}
