golang modify xmind

Golang is an increasingly popular programming language known for its efficient performance and concise syntax. In Golang, we can use some open source libraries to quickly implement various functions. XMind is a very practical mind mapping software that is widely used in various scenarios.

In this article, we will introduce how to use Golang to modify XMind files. Although XMind provides an API for modifying files, its documentation is concise and difficult to use, so we use some libraries in Golang to achieve this purpose.

To modify the XMind file, we need to solve the following two problems:

1. Parse the XMind file to obtain its content.
2. Rewrite the modified content into the XMind file.

Step 1: Parse XMind files

In Golang, we can use the go-xmind library to parse XMind files. This library provides an easy way to read and traverse the contents of XMind files.

We need to first install and import the library according to go-xmind's documentation instructions, and then use the following code to read the contents of the XMind file:

package main

import (
    "fmt"
    "github.com/xmindltd/go-xmind"
)

func main() {
    // 打开XMind文件
    xmindFile, err := xmind.Open("example.xmind")
    if err != nil {
        panic(err)
    }
    // 关闭文件
    defer xmindFile.Close()
    
    // 遍历账号
    for _, sheet := range xmindFile.Sheets() {
        fmt.Printf("Sheet:%s
", sheet.Title())

        for _, r := range sheet.RootTopic().SubTopics() {
            printTopic(r, 1)
        }
    }
}

// 打印XMind主题信息
func printTopic(t *xmind.Topic, level int) {
    prefix := ""
    for i := 0; i < level; i++ {
        prefix += "    "
    }
    fmt.Printf("%s %s
", prefix, t.Title())
    for _, r := range t.SubTopics() {
        printTopic(r, level+1)
    }
}

In this code, we first Open the file named example.xmind and print the hierarchy of titles and topics for each Sheet in the file. As you can see, go-xmind provides a simple way to parse XMind files.

Step 2: Rewrite the modified content into the XMind file

To rewrite the modified content into the XMind file, we need to use another Golang library named okxml. okxml is a library for reading and generating XML files, which can easily write data into XMind files.

In the code below, we assume that you have changed the contents of the XMind file according to the above code, and now you need to write these changes back to the XMind file. For example, we change the text content of the first topic in the first Sheet and save it back to the XMind file.

package main

import (
    "fmt"
    "os"
    "github.com/xmindltd/go-xmind"
    "github.com/xmindltd/okxml"
)

func main() {
    // 打开XMind文件
    xmindFile, err := xmind.Open("example.xmind")
    if err != nil {
        panic(err)
    }
    // 关闭文件
    defer xmindFile.Close()

    // 修改第一个主题的文本
    rootTopic := xmindFile.Sheets()[0].RootTopic()
    rootTopic.SetTitle("New Title")

    // 创建XML文件节点
    rootXMLNode := okxml.NewNode("xmap-content", nil)

    // 使用go-xmind库生成XML并填充节点
    xmindFile.Write(rootXMLNode)

    // 将XML文件节点写入新文件中
    outputFile, err := os.Create("new_example.xmind")
    if err != nil {
        panic(err)
    }
    defer outputFile.Close()

    fmt.Fprintln(outputFile, xml.Header)
    fmt.Fprintln(outputFile, rootXMLNode.String())
}

In this code, we first changed the content of the XMind file using go-xmind, and then used the okxml library to write the changed content into the XML node. Finally, we write the XML node into a new file new_example.xmind.

Summary

Using Golang to modify XMind files may present some challenges, but by using these powerful open source libraries, we can easily achieve this goal. The go-xmind library provides a simple way to parse XMind files and read their contents, and the okxml library can be used to rewrite the modified contents into XMind files.

Although the XMind API documentation is a bit terse, we can use these two libraries to solve our problems. The source code of these libraries also helps us better understand how they work and be able to deal with other problems that may arise.

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