万字长文，教你如何发布鸿蒙（HarmonyOS）组件到Maven中央仓库，全网最全教程！

dependencies {
    ... ...
    implementation project(':drawing_library')
}

implementation fileTree(dir:'/drawing_library/build/outputs/har/debug',include: ['*.jar', '*.har'])
或
implementation fileTree(dir: '/drawing_library')

implementation 'com.unitymarvel:drawing:0.1.5'

apply plugin: 'com.huawei.ohos.library'
ohos {
    ... ...
    rootProject.ext{
        DEFAULT_GROUP_ID = 'com.unitymarvel'
        DEFAULT_ARTIFACT_ID = 'drawing'
        DEFAULT_VERSION = '0.1.5'
    }
    ... ...
}
... ...

apply plugin: 'com.huawei.ohos.library'
apply from: '../upload.gradle'     // 这里是新加入的
ohos {
    compileSdkVersion 5
    ... ...
}

apply plugin: 'maven'
apply plugin: 'maven-publish'

def REMOTE_MAVEN_REPOSITORY_URL='https://s01.oss.sonatype.org/content/repositories/releases/' 
def MAVEN_USERNAME='这里需要填写Maven的用户名' 
def MAVEN_PASSWORD='这里需要填写Maven用户的密码' 

afterEvaluate { project ->
    publishing {
        publications{
            mavenJava(MavenPublication){
                // 发布har包使用字段components.release，发布jar包使用components.java
                from components.release
                group=rootProject.ext.DEFAULT_GROUP_ID
                artifactId=rootProject.ext.DEFAULT_ARTIFACT_ID
                version=rootProject.ext.DEFAULT_VERSION
            }
        }
        repositories{
            maven{
                url=REMOTE_MAVEN_REPOSITORY_URL
                credentials{
                    username MAVEN_USERNAME
                    password MAVEN_PASSWORD
                }
            }
        }
    }

}

dependencies {
    ... ...
    implementation 'com.unitymarvel:drawing:0.1.5'
}

<?xml version="1.0" encoding="utf-8"?>
<DirectionalLayout
    xmlns:ohos="http://schemas.huawei.com/res/ohos"
    ohos:height="match_parent"
    ohos:width="match_parent"
    ohos:padding="10vp"
    ohos:orientation="vertical">

    <DirectionalLayout
        ohos:margin="5vp"
        ohos:height="20vp"
        ohos:width="match_parent"
        ohos:orientation="horizontal">
        <Button
            ohos:id="$+id:button1"
            ohos:background_element="#0000FF"
            ohos:height="20vp"
            ohos:width="20vp"/>
        <Button
            ohos:id="$+id:button2"
            ohos:background_element="#8E81E4"
            ohos:left_margin="10vp"
            ohos:height="20vp"
            ohos:width="20vp"/>
        <Button
            ohos:id="$+id:button3"
            ohos:background_element="#E4D381"
            ohos:left_margin="10vp"
            ohos:height="20vp"
            ohos:width="20vp"/>
        <Button
            ohos:id="$+id:button4"
            ohos:background_element="#91E481"
            ohos:left_margin="10vp"
            ohos:height="20vp"
            ohos:width="20vp"/>
        <Button
            ohos:id="$+id:button5"
            ohos:background_element="#E4E307"
            ohos:left_margin="10vp"
            ohos:height="20vp"
            ohos:width="20vp"/>
        <Button
            ohos:id="$+id:button6"
            ohos:background_element="#FF0000"
            ohos:left_margin="10vp"
            ohos:height="20vp"
            ohos:width="20vp"/>
    </DirectionalLayout>
    <DirectionalLayout
        ohos:top_margin="5vp"
        ohos:height="match_content"
        ohos:width="match_parent"
        ohos:orientation="horizontal">
        <Button
            ohos:id="$+id:button_clear"
            ohos:text_size="15fp"
            ohos:text="清除"
            ohos:height="match_content"
            ohos:width="match_content"/>
        <Button
            ohos:id="$+id:button_undo"
            ohos:left_margin="10vp"
            ohos:text_size="15fp"
            ohos:text="回退"
            ohos:height="match_content"
            ohos:width="match_content"/>

    </DirectionalLayout>

    <com.unitymarvel.components.images.drawing.Drawing

        ohos:drawingColor = "#FF0000"
        ohos:id="$+id:drawing"
        ohos:weight="1"
        ohos:width="match_parent"
        ohos:height="match_parent"/>
</DirectionalLayout>

package com.unitymarvel.harmonyos.tools.drawing.slice;

import com.unitymarvel.components.images.drawing.Drawing;
import com.unitymarvel.components.images.drawing.Point;
import com.unitymarvel.harmonyos.tools.drawing.ResourceTable;
import ohos.aafwk.ability.AbilitySlice;
import ohos.aafwk.content.Intent;
import ohos.agp.components.Button;
import ohos.agp.components.Component;
import ohos.agp.components.DirectionalLayout;
import ohos.agp.components.element.ShapeElement;

import java.util.List;

public class MainAbilitySlice extends AbilitySlice implements Component.ClickedListener, Drawing.DrawingListener {
    private Drawing drawing;
    @Override
    public void onClick(Component component) {
        ShapeElement shapeElement = (ShapeElement) component.getBackgroundElement();
        drawing.setDrawingColor(shapeElement.getRgbColors()[0].asArgbInt());
    }

    @Override
    public void startDrawing(int i) {
        System.out.println("开始绘制第" + i + "条曲线");
    }

    @Override
    public void stopDrawing(int i, List<Point> points) {
        System.out.println("结束绘制第" + i + "条曲线，共" + points.size() + "个点");
    }

    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);
        super.setUIContent(ResourceTable.Layout_ability_main);
        drawing = (Drawing) findComponentById(ResourceTable.Id_drawing);
        drawing.setDrawingListener(this);
        Button button1 = (Button)findComponentById(ResourceTable.Id_button1);
        button1.setClickedListener(this);
        Button button2 = (Button)findComponentById(ResourceTable.Id_button2);
        button2.setClickedListener(this);
        Button button3 = (Button)findComponentById(ResourceTable.Id_button3);
        button3.setClickedListener(this);
        Button button4 = (Button)findComponentById(ResourceTable.Id_button4);
        button4.setClickedListener(this);
        Button button5 = (Button)findComponentById(ResourceTable.Id_button5);
        button5.setClickedListener(this);
        Button button6 = (Button)findComponentById(ResourceTable.Id_button6);
        button6.setClickedListener(this);

        Button buttonClear = (Button)findComponentById(ResourceTable.Id_button_clear);
        buttonClear.setClickedListener(new Component.ClickedListener() {
            @Override
            public void onClick(Component component) {
                drawing.clear();
            }
        });

        Button buttonUndo = (Button)findComponentById(ResourceTable.Id_button_undo);
        buttonUndo.setClickedListener(new Component.ClickedListener() {
            @Override
            public void onClick(Component component) {
                drawing.undo();
            }
        });
    }

    @Override
    public void onActive() {
        super.onActive();
    }

    @Override
    public void onForeground(Intent intent) {
        super.onForeground(intent);
    }
}