List Of Jsplumb 使い方 Article
Introduction
JSPlumb is a powerful JavaScript library that allows you to easily create and manage connections between elements in your web applications. Whether you're building a drag-and-drop interface, a flowchart, or a mind map, JSPlumb makes it easy to create the connections you need. In this tutorial, we'll walk you through the basics of using JSPlumb, including how to set up the library, create connections, and customize your connections' appearance.Setting Up JSPlumb
Before you can start using JSPlumb, you'll need to include the library in your project. You can download the latest version of JSPlumb from the official website or include it using a package manager like NPM or Yarn. Once you've included JSPlumb in your project, you'll need to initialize it by calling the jsPlumb.ready() function. Here's an example:jsPlumb.ready(function() {
// Your JSPlumb code goes here
});
Creating Connections
To create a connection between two elements using JSPlumb, you'll need to define the elements and their endpoints. An endpoint is a point on an element where a connection can be made. Here's an example:var sourceEndpoint = {
endpoint: "Dot",
paintStyle: { fill: "blue" },
anchor: "RightMiddle",
isSource: true,
connectorOverlays: [
[ "Arrow", { location: 1 } ],
[ "Label", { label: "Source", location: 0.5 } ]
]
};
var targetEndpoint = {
endpoint: "Dot",
paintStyle: { fill: "red" },
anchor: "LeftMiddle",
isTarget: true,
connectorOverlays: [
[ "Arrow", { location: 1 } ],
[ "Label", { label: "Target", location: 0.5 } ]
]
};
jsPlumb.addEndpoint("source", sourceEndpoint);
jsPlumb.addEndpoint("target", targetEndpoint);
jsPlumb.connect({ source: "source", target: "target" });
Customizing Connections
JSPlumb allows you to customize your connections' appearance using paint styles and overlays. Paint styles are used to define the color, width, and style of a connection, while overlays are used to add labels, arrows, and other visual elements to a connection. Here's an example:var connectionStyle = {
stroke: "blue",
strokeWidth: 2,
dashstyle: "2 2"
};
var endpointStyle = {
fill: "blue",
};
var overlays = [
[ "Arrow", { location: 1 } ],
[ "Label", { label: "Connection", location: 0.5 } ]
];
jsPlumb.connect({
source: "source",
target: "target",
paintStyle: connectionStyle,
endpointStyle: endpointStyle,
overlays: overlays
});
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