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How to import hightopo into vue

王林
王林Original
2023-05-27 19:31:06772browse

Vue is a progressive framework for building user interfaces. It has now become the most mainstream technology in front-end development, and many people are using it to develop various applications. At the same time, in many applications, the display of drawing graphics is also very important, and HighTopo is a powerful front-end drawing framework that can help us easily achieve various graphic displays. So how to import HighTopo in Vue? This article will introduce it to you in detail.

  1. Installing HighTopo

Before using HighTopo, we need to install it in the project. In a Vue project, we can use npm to accomplish this process. Enter the following command in the terminal:

npm install --save hightopo

This will install HighTopo in the project's node_modules and add it to the project's package.json.

  1. Import HighTopo

After successful installation, we need to import HighTopo in Vue. We can import it globally in main.js or locally in the required components. In this article, we will import it globally in main.js.

Open the main.js file and import at the top of the file:

import HighTopo from 'hightopo';
  1. Using HighTopo in Vue

Now, we have successfully imported HighTopo, then you can use it in Vue. Using HighTopo in Vue is very simple, we just need to follow the following steps.

  • Create a HighTopo instance

In the Vue component, we can create a HighTopo instance. Define the following code in the component that needs to use HighTopo:

<template>
  <div ref="topology"></div>
</template>

<script>
export default {
  mounted() {
    this.topology = new HighTopo.FabricTopology({
      parent: this.$refs.topology,
      width: 600,
      height: 400,
      ...
    });
  }
}
</script>

In the above code, we first get the container by defining a div element, and then create a HighTopo instance through HighTopo.FabricTopology. When creating an instance, you need to specify the following parameters:

  • parent: Specify the container element of HighTopo, which can be obtained through ref.
  • width: Specifies the width of the HighTopo instance.
  • height: Specify the height of the HighTopo instance.
  • Other parameters: You can also specify many other parameters, such as node, connection styles, etc.
  • Draw graphics

After creating the HighTopo instance, we can use the API provided by HighTopo to draw various graphics. The following is a sample code for drawing a simple shape:

<template>
  <div ref="topology"></div>
</template>

<script>
export default {
  mounted() {
    this.topology = new HighTopo.FabricTopology({
      parent: this.$refs.topology,
      width: 600,
      height: 400,
      ...
    });

    // 绘制矩形
    const rect = new HighTopo.FabricRect({
      width: 80,
      height: 50,
      fill: "#fff",
      stroke: "#333"
    });
    this.topology.add(rect);
  }
}
</script>

In the above code, we first create a HighTopo instance, then create a rectangle object and add it to the HighTopo instance through the add method. In this way, we can easily draw various graphics.

  1. Summary

In this article, we introduced in detail how to import HighTopo in a Vue project and use it to draw graphics. Through the introduction of this article, I believe you have understood how to use HighTopo and can quickly implement various graphic displays in your own projects. If you want to learn more about HighTopo, you can refer to HighTopo's documentation or delve into its source code.

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