Vous guidez étape par étape pour développer un plug-in de traduction vscode Baidu

const vscode = require('vscode');
const request = require('request')
const crypto = require('crypto')
const randomstring = require('randomstring')

// md5函数
function getMD5(content) {
    if (!content) {
    	return content
    }
    let md5 = crypto.createHash('md5')
    md5.update(content)
    let d = md5.digest('hex')
    return d.toLowerCase()
}

// 翻译函数
function translate(targetType) {
    return new Promise((resolve, reject) => {
        // 打开的vscode窗口对象
        const editor = vscode.window.activeTextEditor
        // 若没有打开的窗口，则返回
        if (!editor) {
            console.log('no open text editor')
            return
        }
        // 选中的文本位置
        let selection = editor.selection
        // 获取选中的文本
        let text = editor.document.getText(selection)
        // 没有选中的文本，则返回
        if (!text) {
            console.log('no choosed text')
            return
        }
        // 随机数
        let salt = (new Date()).getTime() + randomstring.generate()
        // 获取package.json里的配置项
        const config = vscode.workspace.getConfiguration()
        // 请求百度翻译api，翻译选中的文本
        request.post({
            url: config.get("translate.url"),
            formData: {
                q: text,
                from: 'auto',
                to: targetType,
                appid: config.get("translate.appId"),
                salt: salt,
                sign: getMD5(config.get("translate.appId") + text + salt + config.get("translate.appKey"))
          }
        }, function (err, res, body) {
            if (err) {
                vscode.window.showInformationMessage('翻译出错了：' + err.message)
                return
            }
            try {
                let msg = JSON.parse(body);
                if (msg.error_code) {
                    vscode.window.showInformationMessage('翻译出错了：' + msg.error_msg);
                } else {
                    // 返回翻译结果
                    resolve((msg.trans_result)[0].dst)
                }
            } catch (e) {
            	vscode.window.showInformationMessage('翻译出错了：' + e.message);
            }
        })
    })
}

// 文本替换函数，将当前选中的文本替换为传进来的val
const insertText = (val) => {
    const editor = vscode.window.activeTextEditor
    if (!editor) {
        vscode.window.showErrorMessage('no open text editor')
        return
    }
    const selection = editor.selection
    const range = new vscode.Range(selection.start, selection.end)

    editor.edit((editBuilder) => {
    	editBuilder.replace(range, val)
    })
}
/**
 * @param {vscode.ExtensionContext} context
 */
// 插件激活时的入口
function activate(context) {
    // 注册命令
    // 翻译成中文
    var transToZhDisposable = vscode.commands.registerCommand('extension.translateToZh', function () {
        translate('zh').then(res =>{
            // vscode窗口右下角显示翻译内容
            vscode.window.showInformationMessage(decodeURIComponent(res));
        })
    })
    // 翻译成英文
    var transToEnDisposable = vscode.commands.registerCommand('extension.translateToEn', function () {
        translate('en').then(res =>{
        	vscode.window.showInformationMessage(decodeURIComponent(res));
        })
    })
    // 将中文替换为英文
    var replaceWithEnDisposable = vscode.commands.registerCommand('extension.replaceWithEn', function () {
        translate('en').then(res =>{
        	// 将选中的中文替换成相应的英文
        	insertText(res)
        })
    })
    // vscode订阅注册的命令
    context.subscriptions.push(transToZhDisposable);
    context.subscriptions.push(transToEnDisposable);
    context.subscriptions.push(replaceWithEnDisposable);
}

exports.activate = activate;

// 插件释放的时候触发
function deactivate() {}

module.exports = {
    activate,
    deactivate
}

"contributes": {
    // 命令
    "commands": [
        {
            "command": "extension.translateToZh",
            "title": "translateToZh"
    	},
        {
            "command": "extension.translateToEn",
            "title": "translateToEn"
        },
        {
            "command": "extension.replaceWithEn",
            "title": "replaceWithEn"
        }
     ],
    // 快捷键绑定
    "keybindings":[
        {
           // 命令
           "command": "extension.translateToZh",
           // windows快捷键绑定
            "key": "ctrl+shift+t",
           // mac快捷键绑定
            "mac": "cmd+shift+t",
            "when": "editorTextFocus"
        },
        {
            "command": "extension.translateToEn",
            "key": "ctrl+shift+e",
            "mac": "cmd+shift+e",
            "when": "editorTextFocus"
        },
        {
            "command": "extension.replaceWithEn",
            "key": "ctrl+shift+r",
            "mac": "cmd+shift+r",
            "when": "editorTextFocus"
        }
    ],
    // 菜单
    "menus": {
        // 编辑器上下文菜单，即点击鼠标右键出来的菜单
        "editor/context": [
            {	
            	// 编辑器聚焦时
                "when": "editorFocus",
                // 点击菜单项触发的命令
                "command":"extension.translateToZh",
                // 分组排序，navigation组始终在最上方
                "group": "navigation"
            },
            {
                "when": "editorFocus",
                "command":"extension.translateToEn",
                "group": "navigation"
            },
            {
                "when": "editorFocus",
                "command":"extension.replaceWithEn",
                "group": "navigation"
            }
        ]
    },
    // 插件配置项
    "configuration": {
        "type": "object",
        "title": "translate configuration",
        "properties": {
        	// 百度翻译请求api
            "translate.url": {
                "type": "string",
                "default": "****",
                "description": "百度翻译API"
            },
            // 百度翻译appId
            "translate.appId": {
                "type": "string",
                "default": "****",
                "description": "百度翻译appId"
            },
            // 百度翻译appKey
            "translate.appKey": {
                "type": "string",
                "default": "****",
                "description": "百度翻译appKey"
            }
        }
      }
  },

const vscode = require('vscode');
const request = require('request')
const crypto = require('crypto')
const randomstring = require('randomstring')

// md5函数
function getMD5(content) {
    if (!content) {
    	return content
    }
    let md5 = crypto.createHash('md5')
    md5.update(content)
    let d = md5.digest('hex')
    return d.toLowerCase()
}

// 翻译函数
function translate(targetType) {
    return new Promise((resolve, reject) => {
        // 打开的vscode窗口对象
        const editor = vscode.window.activeTextEditor
        // 若没有打开的窗口，则返回
        if (!editor) {
            console.log('no open text editor')
            return
        }
        // 选中的文本位置
        let selection = editor.selection
        // 获取选中的文本
        let text = editor.document.getText(selection)
        // 没有选中的文本，则返回
        if (!text) {
            console.log('no choosed text')
            return
        }
        // 随机数
        let salt = (new Date()).getTime() + randomstring.generate()
        // 获取package.json里的配置项
        const config = vscode.workspace.getConfiguration()
        // 请求百度翻译api，翻译选中的文本
        request.post({
            url: config.get("translate.url"),
            formData: {
                q: text,
                from: 'auto',
                to: targetType,
                appid: config.get("translate.appId"),
                salt: salt,
                sign: getMD5(config.get("translate.appId") + text + salt + config.get("translate.appKey"))
          }
        }, function (err, res, body) {
            if (err) {
                vscode.window.showInformationMessage('翻译出错了：' + err.message)
                return
            }
            try {
                let msg = JSON.parse(body);
                if (msg.error_code) {
                    vscode.window.showInformationMessage('翻译出错了：' + msg.error_msg);
                } else {
                    // 返回翻译结果
                    resolve((msg.trans_result)[0].dst)
                }
            } catch (e) {
            	vscode.window.showInformationMessage('翻译出错了：' + e.message);
            }
        })
    })
}

// 文本替换函数，将当前选中的文本替换为传进来的val
const insertText = (val) => {
    const editor = vscode.window.activeTextEditor
    if (!editor) {
        vscode.window.showErrorMessage('no open text editor')
        return
    }
    const selection = editor.selection
    const range = new vscode.Range(selection.start, selection.end)

    editor.edit((editBuilder) => {
    	editBuilder.replace(range, val)
    })
}
/**
 * @param {vscode.ExtensionContext} context
 */
// 插件激活时的入口
function activate(context) {
    // 注册命令
    // 翻译成中文
    var transToZhDisposable = vscode.commands.registerCommand('extension.translateToZh', function () {
        translate('zh').then(res =>{
            // vscode窗口右下角显示翻译内容
            vscode.window.showInformationMessage(decodeURIComponent(res));
        })
    })
    // 翻译成英文
    var transToEnDisposable = vscode.commands.registerCommand('extension.translateToEn', function () {
        translate('en').then(res =>{
        	vscode.window.showInformationMessage(decodeURIComponent(res));
        })
    })
    // 将中文替换为英文
    var replaceWithEnDisposable = vscode.commands.registerCommand('extension.replaceWithEn', function () {
        translate('en').then(res =>{
        	// 将选中的中文替换成相应的英文
        	insertText(res)
        })
    })
    // vscode订阅注册的命令
    context.subscriptions.push(transToZhDisposable);
    context.subscriptions.push(transToEnDisposable);
    context.subscriptions.push(replaceWithEnDisposable);
}

exports.activate = activate;

// 插件释放的时候触发
function deactivate() {}

module.exports = {
    activate,
    deactivate
}