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✅ What are the methods for formatting VChart chart labels?


💡 Newskategorie: Programmierung
🔗 Quelle: dev.to

Description

In the VChart bar chart, the default display is the label of the corresponding value of the bar. I want to display something like 'x-axis name: y value' . What are the ways to customize the label display?

Solution

There are two recommended configuration methods:

  1. Configure the formatting function through label.formatMethod.
    1. The function parameter is (text: string | string [], data?: any) ,text is the default displayed text, and data is the related data.
    2. The return value of the function can be a string or a string array. Among them, the string array will be displayed as a newline by default.
    3. If you want to configure it as rich text, the return value is the rich text configuration object.
label: {
    formatMethod:(value, data) => `${data.name}: ${value}`
}

Image description

  1. Configure the template string through label.formatter.
label: {
   formatter: `{name} : {value}`
}

Image description

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