新建一个文件没有后缀然后输入如下内容

#!/usr/bin/env sh
/Applications/Unity/Hub/Editor/2020.1.5f1c1/Unity.app/Contents/MacOS/Unity -quit -batchmode -projectPath /Users/zyt/Test -executeMethod Test.BuildEditor.BuildApp
cd /Users/zyt/Test/Xcode/unity-xcode
xcodebuild clean -project Unity-iPhone.xcodeproj -alltargets
xcodebuild -project Unity-iPhone.xcodeproj -scheme Unity-iPhone -destination generic/platform=ios archive -archivePath /Users/zyt/Desktop/Ipa/Unity-iPhone.xcarchive
xcodebuild -exportArchive -archivePath /Users/zyt/Desktop/hoc/Unity-iPhone.xcarchive -exportPath /Users/zyt/Desktop/hoc/test -exportOptionsPlist /Users/zyt/Test/Xcode/unity-xcode/Info.plist

该行命令就是MacOS Unity app的路径  根据自身版本进行更改

 该行命令是Unity的项目工程目录 Assets级别

该行命令 Test是命名空间有则写 没有则去掉 BuildEditor是脚本名字 BuildApp是函数名字 由该脚本进行Unity 资源打包以及自动化出XCode工程

 该行命令是进入到Xcode工目录

该行命令清除掉Xcode的缓存

 xcodebuild -project Unity-iPhone.xcodeproj -scheme Unity-iPhone -destination generic/platform=ios archive -archivePath /Users/zyt/Desktop/Ipa/Unity-iPhone.xcarchive

该行命令是导出Archive缓存文件 

Unity-iPhone.xcodeproj

就是Xcode项目的名称 

 -scheme Unity-iPhone

就是打包的场景

-archivePath /Users/zyt/Desktop/Ipa/Unity-iPhone.xcarchive

就是Archive缓存文件存放的路径

xcodebuild -exportArchive -archivePath /Users/zyt/Desktop/hoc/Unity-iPhone.xcarchive -exportPath /Users/zyt/Desktop/hoc/test -exportOptionsPlist /Users/zyt/Test/Xcode/unity-xcode/Info.plist

该行命令是导出Ipa文件     

-archivePath /Users/zyt/Desktop/hoc/Unity-iPhone.xcarchive 

这个就是刚刚导出的Archive文件的路径

-exportPath /Users/zyt/Desktop/hoc/test

这个就是导出的Ipa存放目录 没有会新建  

-exportOptionsPlist /Users/zyt/Test/Xcode/unity-xcode/Info.plist

这个就是Xcode里面的.plist文件 填入路径即可

Unity脚本如下

using System;
using System.IO;
using UnityEditor;
using UnityEditor.Build.Reporting;
using UnityEngine;
namespace Test
{
    public class BuildEditor
    {
        [MenuItem("Build/Build")]
        public static void BuildApp()
        {
            BuildGameRes();
#if UNITY_ANDROID
            Build_Apk();
#else
            Build_Ipa();
#endif
        }

        private static void BuildGameRes()
        {
            //写自己的资源打包
        }
        private static void Build_Apk()
        {
            PlayerSettings.Android.keystoreName = Application.dataPath.Replace("/Assets", "") + "/test.keystore";
            PlayerSettings.Android.keystorePass = "123456";
            PlayerSettings.Android.keyaliasName = "test";
            PlayerSettings.Android.keyaliasPass = "123456";
            PlayerSettings.Android.useAPKExpansionFiles = false;
            PlayerSettings.bundleVersion = "1";
            PlayerSettings.Android.bundleVersionCode = 1;
            PlayerSettings.applicationIdentifier = "com.test.test01";
            PlayerSettings.Android.targetArchitectures = AndroidArchitecture.All;

            string time = DateTime.Now.ToString("yyyyMMddHHmmss");
            string[] scenes = {
                @"Assets/Res/Resources/scene/test.unity",
            };
            string fileName = "test";
            fileName = Application.dataPath.Replace("/Assets", "") + "/App/" + fileName;
            string dir = Path.GetDirectoryName(fileName);
            if (Directory.Exists(dir))
                Directory.Delete(dir, true);
            Directory.CreateDirectory(dir);
            BuildOptions buildOptions = BuildOptions.CompressWithLz4;
            BuildReport report = BuildPipeline.BuildPlayer(scenes, fileName, BuildTarget.Android, buildOptions);
            if (report.summary.result != BuildResult.Succeeded)
            {
                Debug.LogError("build fail - " + fileName);
                return;
            }
            AssetDatabase.Refresh();
            string path = Application.dataPath.Replace("/Assets", "") + "/App";
            path = path.Replace("/", @"\");
            System.Diagnostics.Process p = new System.Diagnostics.Process();
            p.StartInfo.FileName = "explorer.exe";
            p.StartInfo.Arguments = path;
            p.Start();
            Debug.LogError("build success - " + fileName);
        }

        private static void Build_Ipa()
        {
            PlayerSettings.bundleVersion = "1";
            PlayerSettings.iOS.buildNumber = "1";
            PlayerSettings.applicationIdentifier = "com.test.test01";
            string[] scenes = {
                @"Assets/Res/Resources/scene/test.unity",
            };
            string path = EditorUtility.SaveFolderPanel("save xcode", "", "");

            BuildOptions buildOptions = BuildOptions.CompressWithLz4;
            BuildReport report = BuildPipeline.BuildPlayer(scenes, path, BuildTarget.iOS, buildOptions);
            if (report.summary.result != BuildResult.Succeeded)
            {
                Debug.LogError("build fail - " + path);
                return;
            }
            AssetDatabase.Refresh();

            Debug.LogError("build success - " + path);
        }
    }
}

 Unity命令行参数链接:

命令行参数 - Unity 手册