Egret白鹭Protobuf 静态解析使用

protobufjs有3中使用方式,实时解析方式、json解析方式、静态代码方式(事先导出proto的js文件)。
那么三种方式,可想而知,静态代码执行速度最快,并且可以直接访问到proto中定义的字段,不需要用字符串来传字段名字。网络传输的时候加解码出来的都是对象。
proto文件看一下

// awesome.proto
package awesomepackage;
syntax = "proto3";

message AwesomeMessage {
    string awesome_field = 1; // becomes awesomeField
}

有个专门的工具链接可以把.proto文件导出.js文件以及对应的.d.ts文件。
首先安装Node.js
然后,安装protobufjs:
npm install protobufjs
装完以后,可以用命令导出.js文件和.d.ts文件

$> pbjs -t static-module -w commonjs -o xxxx.js xxxxx.proto
$> pbts -o xxxxx.d.ts xxxxx.js

第一行导出js文件,第二行把导出的js生成对应的.d.ts文件,这样就可以在TS代码中调用了。
-t -static-module参数,表示选的是静态代码模式。
-w commonjs表示用什么标准来输出js代码。支持default,es6 需要可以在git上查看类型

这里就使用commonjs来进行操作


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转完以后可以看到js和.d.ts文件
接下来导入进egret


Egret白鹭Protobuf 静态解析使用_第1张图片
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这个是protobuf的目录 bundles 就是刚刚转码的
library是protobuf的支持包~(这里改了个名字)

protocol.min.js是我自己用uglifyjs命令行工具自动生成的,uglifyjs也是nodejs提供的一个模块,感兴趣的可以去搜一下,能压缩不少。
将文件目录这么放就ojbk了。


Egret白鹭Protobuf 静态解析使用_第2张图片
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tsconfig文件


Egret白鹭Protobuf 静态解析使用_第3张图片
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egretProperties.json文件


Egret白鹭Protobuf 静态解析使用_第4张图片
image.png

本以为这样就可以跑起来了 但是还是报错了 转换的proto文件 是有问题的
接下来我们进行proto转出文件的修改
首先看.d.ts文件
这是原版文件

import * as $protobuf from "protobufjs";

/** Namespace awesomepackage. */
export namespace awesomepackage {

    /** Properties of an AwesomeMessage. */
    interface IAwesomeMessage {

        /** AwesomeMessage awesomeField */
        awesomeField?: (string|null);
    }

    /** Represents an AwesomeMessage. */
    class AwesomeMessage implements IAwesomeMessage {

        /**
         * Constructs a new AwesomeMessage.
         * @param [properties] Properties to set
         */
        constructor(properties?: awesomepackage.IAwesomeMessage);

        /** AwesomeMessage awesomeField. */
        public awesomeField: string;

        /**
         * Creates a new AwesomeMessage instance using the specified properties.
         * @param [properties] Properties to set
         * @returns AwesomeMessage instance
         */
        public static create(properties?: awesomepackage.IAwesomeMessage): awesomepackage.AwesomeMessage;

        /**
         * Encodes the specified AwesomeMessage message. Does not implicitly {@link awesomepackage.AwesomeMessage.verify|verify} messages.
         * @param message AwesomeMessage message or plain object to encode
         * @param [writer] Writer to encode to
         * @returns Writer
         */
        public static encode(message: awesomepackage.IAwesomeMessage, writer?: $protobuf.Writer): $protobuf.Writer;

        /**
         * Encodes the specified AwesomeMessage message, length delimited. Does not implicitly {@link awesomepackage.AwesomeMessage.verify|verify} messages.
         * @param message AwesomeMessage message or plain object to encode
         * @param [writer] Writer to encode to
         * @returns Writer
         */
        public static encodeDelimited(message: awesomepackage.IAwesomeMessage, writer?: $protobuf.Writer): $protobuf.Writer;

        /**
         * Decodes an AwesomeMessage message from the specified reader or buffer.
         * @param reader Reader or buffer to decode from
         * @param [length] Message length if known beforehand
         * @returns AwesomeMessage
         * @throws {Error} If the payload is not a reader or valid buffer
         * @throws {$protobuf.util.ProtocolError} If required fields are missing
         */
        public static decode(reader: ($protobuf.Reader|Uint8Array), length?: number): awesomepackage.AwesomeMessage;

        /**
         * Decodes an AwesomeMessage message from the specified reader or buffer, length delimited.
         * @param reader Reader or buffer to decode from
         * @returns AwesomeMessage
         * @throws {Error} If the payload is not a reader or valid buffer
         * @throws {$protobuf.util.ProtocolError} If required fields are missing
         */
        public static decodeDelimited(reader: ($protobuf.Reader|Uint8Array)): awesomepackage.AwesomeMessage;

        /**
         * Verifies an AwesomeMessage message.
         * @param message Plain object to verify
         * @returns `null` if valid, otherwise the reason why it is not
         */
        public static verify(message: { [k: string]: any }): (string|null);

        /**
         * Creates an AwesomeMessage message from a plain object. Also converts values to their respective internal types.
         * @param object Plain object
         * @returns AwesomeMessage
         */
        public static fromObject(object: { [k: string]: any }): awesomepackage.AwesomeMessage;

        /**
         * Creates a plain object from an AwesomeMessage message. Also converts values to other types if specified.
         * @param message AwesomeMessage
         * @param [options] Conversion options
         * @returns Plain object
         */
        public static toObject(message: awesomepackage.AwesomeMessage, options?: $protobuf.IConversionOptions): { [k: string]: any };

        /**
         * Converts this AwesomeMessage to JSON.
         * @returns JSON object
         */
        public toJSON(): { [k: string]: any };
    }
}

改动后 第一句 type Long = protobuf.Long;替换 全局搜索 $protobuf替换为protobuf

type Long = protobuf.Long;

/** Namespace awesomepackage. */
declare namespace awesomepackage {

    /** Properties of an AwesomeMessage. */
    interface IAwesomeMessage {

        /** AwesomeMessage awesomeField */
        awesomeField?: (string|null);
    }

    /** Represents an AwesomeMessage. */
    class AwesomeMessage implements IAwesomeMessage {

        /**
         * Constructs a new AwesomeMessage.
         * @param [properties] Properties to set
         */
        constructor(properties?: awesomepackage.IAwesomeMessage);

        /** AwesomeMessage awesomeField. */
        public awesomeField: string;

        /**
         * Creates a new AwesomeMessage instance using the specified properties.
         * @param [properties] Properties to set
         * @returns AwesomeMessage instance
         */
        public static create(properties?: awesomepackage.IAwesomeMessage): awesomepackage.AwesomeMessage;

        /**
         * Encodes the specified AwesomeMessage message. Does not implicitly {@link awesomepackage.AwesomeMessage.verify|verify} messages.
         * @param message AwesomeMessage message or plain object to encode
         * @param [writer] Writer to encode to
         * @returns Writer
         */
        public static encode(message: awesomepackage.IAwesomeMessage, writer?: protobuf.Writer): protobuf.Writer;

        /**
         * Encodes the specified AwesomeMessage message, length delimited. Does not implicitly {@link awesomepackage.AwesomeMessage.verify|verify} messages.
         * @param message AwesomeMessage message or plain object to encode
         * @param [writer] Writer to encode to
         * @returns Writer
         */
        public static encodeDelimited(message: awesomepackage.IAwesomeMessage, writer?: protobuf.Writer): protobuf.Writer;

        /**
         * Decodes an AwesomeMessage message from the specified reader or buffer.
         * @param reader Reader or buffer to decode from
         * @param [length] Message length if known beforehand
         * @returns AwesomeMessage
         * @throws {Error} If the payload is not a reader or valid buffer
         * @throws {protobuf.util.ProtocolError} If required fields are missing
         */
        public static decode(reader: (protobuf.Reader|Uint8Array), length?: number): awesomepackage.AwesomeMessage;

        /**
         * Decodes an AwesomeMessage message from the specified reader or buffer, length delimited.
         * @param reader Reader or buffer to decode from
         * @returns AwesomeMessage
         * @throws {Error} If the payload is not a reader or valid buffer
         * @throws {protobuf.util.ProtocolError} If required fields are missing
         */
        public static decodeDelimited(reader: (protobuf.Reader|Uint8Array)): awesomepackage.AwesomeMessage;

        /**
         * Verifies an AwesomeMessage message.
         * @param message Plain object to verify
         * @returns `null` if valid, otherwise the reason why it is not
         */
        public static verify(message: { [k: string]: any }): (string|null);

        /**
         * Creates an AwesomeMessage message from a plain object. Also converts values to their respective internal types.
         * @param object Plain object
         * @returns AwesomeMessage
         */
        public static fromObject(object: { [k: string]: any }): awesomepackage.AwesomeMessage;

        /**
         * Creates a plain object from an AwesomeMessage message. Also converts values to other types if specified.
         * @param message AwesomeMessage
         * @param [options] Conversion options
         * @returns Plain object
         */
        public static toObject(message: awesomepackage.AwesomeMessage, options?: protobuf.IConversionOptions): { [k: string]: any };

        /**
         * Converts this AwesomeMessage to JSON.
         * @returns JSON object
         */
        public toJSON(): { [k: string]: any };
    }
}

接下来是js文件 直接看改的吧 把require 删除 直接改成头上两句 底部export去掉 就好了

var $protobuf = window.protobuf;
$protobuf.roots.default=window;
// Common aliases
var $Reader = $protobuf.Reader, $Writer = $protobuf.Writer, $util = $protobuf.util;

// Exported root namespace
var $root = $protobuf.roots["default"] || ($protobuf.roots["default"] = {});

$root.awesomepackage = (function() {

    /**
     * Namespace awesomepackage.
     * @exports awesomepackage
     * @namespace
     */
    var awesomepackage = {};

    awesomepackage.AwesomeMessage = (function() {

        /**
         * Properties of an AwesomeMessage.
         * @memberof awesomepackage
         * @interface IAwesomeMessage
         * @property {string|null} [awesomeField] AwesomeMessage awesomeField
         */

        /**
         * Constructs a new AwesomeMessage.
         * @memberof awesomepackage
         * @classdesc Represents an AwesomeMessage.
         * @implements IAwesomeMessage
         * @constructor
         * @param {awesomepackage.IAwesomeMessage=} [properties] Properties to set
         */
        function AwesomeMessage(properties) {
            if (properties)
                for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                    if (properties[keys[i]] != null)
                        this[keys[i]] = properties[keys[i]];
        }

        /**
         * AwesomeMessage awesomeField.
         * @member {string} awesomeField
         * @memberof awesomepackage.AwesomeMessage
         * @instance
         */
        AwesomeMessage.prototype.awesomeField = "";

        /**
         * Creates a new AwesomeMessage instance using the specified properties.
         * @function create
         * @memberof awesomepackage.AwesomeMessage
         * @static
         * @param {awesomepackage.IAwesomeMessage=} [properties] Properties to set
         * @returns {awesomepackage.AwesomeMessage} AwesomeMessage instance
         */
        AwesomeMessage.create = function create(properties) {
            return new AwesomeMessage(properties);
        };

        /**
         * Encodes the specified AwesomeMessage message. Does not implicitly {@link awesomepackage.AwesomeMessage.verify|verify} messages.
         * @function encode
         * @memberof awesomepackage.AwesomeMessage
         * @static
         * @param {awesomepackage.IAwesomeMessage} message AwesomeMessage message or plain object to encode
         * @param {$protobuf.Writer} [writer] Writer to encode to
         * @returns {$protobuf.Writer} Writer
         */
        AwesomeMessage.encode = function encode(message, writer) {
            if (!writer)
                writer = $Writer.create();
            if (message.awesomeField != null && message.hasOwnProperty("awesomeField"))
                writer.uint32(/* id 1, wireType 2 =*/10).string(message.awesomeField);
            return writer;
        };

        /**
         * Encodes the specified AwesomeMessage message, length delimited. Does not implicitly {@link awesomepackage.AwesomeMessage.verify|verify} messages.
         * @function encodeDelimited
         * @memberof awesomepackage.AwesomeMessage
         * @static
         * @param {awesomepackage.IAwesomeMessage} message AwesomeMessage message or plain object to encode
         * @param {$protobuf.Writer} [writer] Writer to encode to
         * @returns {$protobuf.Writer} Writer
         */
        AwesomeMessage.encodeDelimited = function encodeDelimited(message, writer) {
            return this.encode(message, writer).ldelim();
        };

        /**
         * Decodes an AwesomeMessage message from the specified reader or buffer.
         * @function decode
         * @memberof awesomepackage.AwesomeMessage
         * @static
         * @param {$protobuf.Reader|Uint8Array} reader Reader or buffer to decode from
         * @param {number} [length] Message length if known beforehand
         * @returns {awesomepackage.AwesomeMessage} AwesomeMessage
         * @throws {Error} If the payload is not a reader or valid buffer
         * @throws {$protobuf.util.ProtocolError} If required fields are missing
         */
        AwesomeMessage.decode = function decode(reader, length) {
            if (!(reader instanceof $Reader))
                reader = $Reader.create(reader);
            var end = length === undefined ? reader.len : reader.pos + length, message = new $root.awesomepackage.AwesomeMessage();
            while (reader.pos < end) {
                var tag = reader.uint32();
                switch (tag >>> 3) {
                case 1:
                    message.awesomeField = reader.string();
                    break;
                default:
                    reader.skipType(tag & 7);
                    break;
                }
            }
            return message;
        };

        /**
         * Decodes an AwesomeMessage message from the specified reader or buffer, length delimited.
         * @function decodeDelimited
         * @memberof awesomepackage.AwesomeMessage
         * @static
         * @param {$protobuf.Reader|Uint8Array} reader Reader or buffer to decode from
         * @returns {awesomepackage.AwesomeMessage} AwesomeMessage
         * @throws {Error} If the payload is not a reader or valid buffer
         * @throws {$protobuf.util.ProtocolError} If required fields are missing
         */
        AwesomeMessage.decodeDelimited = function decodeDelimited(reader) {
            if (!(reader instanceof $Reader))
                reader = new $Reader(reader);
            return this.decode(reader, reader.uint32());
        };

        /**
         * Verifies an AwesomeMessage message.
         * @function verify
         * @memberof awesomepackage.AwesomeMessage
         * @static
         * @param {Object.} message Plain object to verify
         * @returns {string|null} `null` if valid, otherwise the reason why it is not
         */
        AwesomeMessage.verify = function verify(message) {
            if (typeof message !== "object" || message === null)
                return "object expected";
            if (message.awesomeField != null && message.hasOwnProperty("awesomeField"))
                if (!$util.isString(message.awesomeField))
                    return "awesomeField: string expected";
            return null;
        };

        /**
         * Creates an AwesomeMessage message from a plain object. Also converts values to their respective internal types.
         * @function fromObject
         * @memberof awesomepackage.AwesomeMessage
         * @static
         * @param {Object.} object Plain object
         * @returns {awesomepackage.AwesomeMessage} AwesomeMessage
         */
        AwesomeMessage.fromObject = function fromObject(object) {
            if (object instanceof $root.awesomepackage.AwesomeMessage)
                return object;
            var message = new $root.awesomepackage.AwesomeMessage();
            if (object.awesomeField != null)
                message.awesomeField = String(object.awesomeField);
            return message;
        };

        /**
         * Creates a plain object from an AwesomeMessage message. Also converts values to other types if specified.
         * @function toObject
         * @memberof awesomepackage.AwesomeMessage
         * @static
         * @param {awesomepackage.AwesomeMessage} message AwesomeMessage
         * @param {$protobuf.IConversionOptions} [options] Conversion options
         * @returns {Object.} Plain object
         */
        AwesomeMessage.toObject = function toObject(message, options) {
            if (!options)
                options = {};
            var object = {};
            if (options.defaults)
                object.awesomeField = "";
            if (message.awesomeField != null && message.hasOwnProperty("awesomeField"))
                object.awesomeField = message.awesomeField;
            return object;
        };

        /**
         * Converts this AwesomeMessage to JSON.
         * @function toJSON
         * @memberof awesomepackage.AwesomeMessage
         * @instance
         * @returns {Object.} JSON object
         */
        AwesomeMessage.prototype.toJSON = function toJSON() {
            return this.constructor.toObject(this, $protobuf.util.toJSONOptions);
        };

        return AwesomeMessage;
    })();

    return awesomepackage;
})();

接下来时白鹭引擎的使用

        let ptest=new awesomepackage.AwesomeMessage();
        console.log(ptest);

awesomepackage是你 proto文件 package 的包 proto在上面可以看一下
取到包名下面的AwesomeMessage 这个你可以在.d.ts里面看到的 就获取到了 生成的这个对象
然后你就可以在这个对象上操作
比如

ptest.awesome_field="protobuf"

赋值 传输的时候就可以使用对象ptest传输。

git代码地址:
https://github.com/balckban/egret_protobuf
记得star下噢·~~~~~~~

很感谢带着梦想去旅行这位老哥的教导~~

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