132-5988-3308
2026?,???????"????"???UniApp 3.0???????????,?????????????????????DCloud????,??UniApp 3.0???APP,????????40%,??????35%,??????28%?
??,?????????"????"???,???????????????????????UniApp 3.0????????,??????????????????????,?????????????
UniApp 3.0?????????????:
??????(???APP):
| ?? | UniApp 2.x | UniApp 3.0 | ???? |
|---|---|---|---|
| ?????(Android) | 2.8s | 1.6s | -43% |
| ?????? | 48fps | 58fps | +21% |
| ????(??) | 285MB | 198MB | -30% |
| ???(Android APK) | 38MB | 26MB | -32% |
UniApp 3.0???????:
project/
??? src/
? ??? pages/ # ????
? ??? components/ # ????
? ??? utils/ # ????
? ??? store/ # ????(Pinia)
? ??? api/ # API????
? ??? static/ # ????
? ??? App.vue # ????
??? platform/
? ??? android/ # Android????
? ??? ios/ # iOS????
? ??? harmony/ # ??????
??? uni.config.js # UniApp??
??? package.json
????:??platform??????????,??Pinia??Vuex?????????
APP?????????????????:
???:????
???????????,????????TabBar??:
// pages.json
{
"pages": [
{"path": "pages/index/index", "style": {...}},
{"path": "pages/category/category", "style": {...}}
],
"subPackages": [
{
"root": "packageA",
"pages": [
{"path": "pages/product/detail", "style": {...}},
{"path": "pages/order/confirm", "style": {...}}
]
}
],
"preloadRule": {
"pages/index/index": {
"packages": ["packageA"]
}
}
}
???:?????????
?App.vue?onLaunch?????????:
// App.vue
export default {
onLaunch() {
// ??????????
Promise.all([
this.fetchUserInfo(),
this.fetchCategoryList(),
this.fetchHomeBanner()
]).then(() => {
console.log('????????');
});
},
methods: {
async fetchUserInfo() {
const token = uni.getStorageSync('token');
if (!token) return;
try {
const res = await this..user.info();
this..commit('user/SET_USER', res.data);
} catch (err) {
console.error('????????', err);
}
}
}
}
???:????????
???SDK???SDK???SDK?????????????????:
// ??onReady??????
onReady() {
setTimeout(() => {
this.initPushSDK();
this.initStatisticsSDK();
this.initMonitorSDK();
}, 3000); // ??3?
}
????:??????
??recycle-list??????scroll-view:
<template>
<recycle-list
:list-data="productList"
:batch="5"
:expires="300"
alias="product"
>
<cell-slot>
<product-card :product="product" />
</cell-slot>
</recycle-list>
</template>
????:
batch:????????,??5-10expires:??????(?),??300-600????:?????????
// ?????(????)
<image
:src="product.image"
lazy-load
mode="aspectFill"
/>
// ?????(????)
onLoad() {
const preloadImages = [
'https://cdn.example.com/banner1.jpg',
'https://cdn.example.com/banner2.jpg'
];
preloadImages.forEach(url => {
uni.preloadImage({
urls: [url],
success: () => console.log('?????', url)
});
});
}
????:????
UniApp????????????:
????:
// ????????
export default {
data() {
return {
timer: null,
eventListeners: []
}
},
onLoad() {
// ???????
this.timer = setInterval(() => {
this.refreshData();
}, 30000);
// ?????????
const handler = (data) => {
this.handlePushData(data);
};
this.eventListeners.push(handler);
uni.('pushData', handler);
},
onUnload() {
// ?????
if (this.timer) {
clearInterval(this.timer);
this.timer = null;
}
// ???????
this.eventListeners.forEach(handler => {
uni.('pushData', handler);
});
this.eventListeners = [];
}
}
?UniApp???API???????,??????????"????CPU??"??:
Step 1: ??Android????
// android/app/src/main/java/com/example/DeviceModule.java
package com.example;
import com.alibaba.fastjson.JSONObject;
import io.dcloud.feature.uniapp.common.UniModule;
import io.dcloud.feature.uniapp.common.UniJSCallback;
public class DeviceModule extends UniModule {
public void getCpuInfo(JSONObject options, UniJSCallback callback) {
JSONObject result = new JSONObject();
try {
// ??CPU??
Process process = Runtime.getRuntime().exec("cat /proc/cpuinfo");
BufferedReader reader = new BufferedReader(
new InputStreamReader(process.getInputStream())
);
String line;
StringBuilder cpuInfo = new StringBuilder();
while ((line = reader.readLine()) != null) {
cpuInfo.append(line).append("\n");
}
result.put("code", 0);
result.put("data", cpuInfo.toString());
} catch (Exception e) {
result.put("code", -1);
result.put("msg", e.getMessage());
}
callback.invoke(result);
}
}
Step 2: ????
// android/app/src/main/assets/dcloud_uniplugins.json
{
"nativePlugins": [
{
"plugins": [
{
"type": "module",
"name": "DeviceModule",
"class": "com.example.DeviceModule"
}
]
}
]
}
Step 3: ????
// ??????
const DeviceModule = uni.requireNativePlugin('DeviceModule');
DeviceModule.getCpuInfo({}, (res) => {
if (res.code === 0) {
console.log('CPU??', res.data);
} else {
console.error('????', res.msg);
}
});
iOS????????,??Objective-C?Swift:
// ios/DeviceModule.m
#import "DeviceModule.h"
#import <UIKit/UIKit.h>
@implementation DeviceModule
UNI_EXPORT_METHOD(@selector(getBatteryInfo:callback:))
- (void)getBatteryInfo:(NSDictionary *)options callback:(UniModuleKeepAliveCallback)callback {
UIDevice *device = [UIDevice currentDevice];
device.batteryMonitoringEnabled = YES;
NSMutableDictionary *result = [NSMutableDictionary dictionary];
[result setObject:@(0) forKey:@"code"];
[result setObject:@(device.batteryLevel * 100) forKey:@"level"];
[result setObject:@(device.batteryState) forKey:@"state"];
callback(result, NO);
}
@end
UniApp????ifdef??????,???????????????:
// utils/platform.js
// ????????
export const Platform = {
isApp: false,
isH5: false,
isWeixin: false,
isAlipay: false,
isHarmony: false,
// ???
init() {
const systemInfo = uni.getSystemInfoSync();
const platform = systemInfo.platform;
this.isApp = platform === 'android' || platform === 'ios';
this.isH5 = typeof window !== 'undefined';
this.isHarmony = systemInfo.osName === 'harmony';
// ???????
// #ifdef MP-WEIXIN
this.isWeixin = true;
// #endif
// #ifdef MP-ALIPAY
this.isAlipay = true;
// #endif
},
// ???????
getConfig(key) {
const configMap = {
baseUrl: {
app: 'https://api-app.example.com',
h5: 'https://api-h5.example.com',
weixin: 'https://api-wx.example.com',
harmony: 'https://api-harmony.example.com'
}
};
if (this.isApp) return configMap[key].app;
if (this.isH5) return configMap[key].h5;
if (this.isWeixin) return configMap[key].weixin;
if (this.isHarmony) return configMap[key].harmony;
}
};
Platform.init();
export default Platform;
?????CSS??????,???????:
/* ???? */
.container {
padding: 20rpx;
background-color: #f5f5f5;
}
/* App????? */
/* #ifdef APP-PLUS */
.container {
padding-top: calc(20rpx + var(--status-bar-height));
}
/* #endif */
/* H5????? */
/* #ifdef H5 */
.container {
max-width: 750px;
margin: 0 auto;
}
/* #endif */
/* ???????? */
/* #ifdef MP */
.container {
padding-bottom: calc(20rpx + var(--safe-area-inset-bottom));
}
/* #endif */
?????API??,??????:
// api/upload.js
export const uploadFile = (options) => {
// #ifdef APP-PLUS
return appUpload(options);
// #endif
// #ifdef H5
return h5Upload(options);
// #endif
// #ifdef MP-WEIXIN
return wxUpload(options);
// #endif
};
// App???(??????)
const appUpload = (options) => {
return new Promise((resolve, reject) => {
const uploadTask = uni.uploadFile({
url: options.url,
filePath: options.filePath,
name: options.name || 'file',
success: (res) => resolve(res),
fail: (err) => reject(err)
});
// ??????
uploadTask.onProgressUpdate((res) => {
if (options.onProgress) {
options.onProgress(res);
}
});
});
};
// H5???(??FormData)
const h5Upload = (options) => {
const formData = new FormData();
formData.append(options.name || 'file', options.file);
return fetch(options.url, {
method: 'POST',
body: formData
}).then(res => res.json());
};
?????APP,??????UniApp 2.x??,??????:
Phase 1: ????(1?)
Phase 2: ????(2?)
Phase 3: ??????(1?)
Phase 4: ?????(1?)
| ?? | ??? | ??? | ???? |
|---|---|---|---|
| ?????(Android) | 3.2s | 1.8s | -44% |
| ?????? | 45fps | 57fps | +27% |
| ???(Android APK) | 52MB | 32MB | -38% |
| ??? | 0.8% | 0.3% | -62% |
| ????? | ??? | ?? | ???? |
????:
?????????:
????:????1-2?,????2-4??ROI???3??????
?????"??????,???????":
???????????,??????????:
????:?????APP,???Android APK?52MB??28MB,iOS IPA?48MB??25MB?
?????:
????:
uni.reportPerformance()??????????2026?6?,UniApp 3.0?????????:
????:
2026????,AI???????????:
???????????,????????????????????:
????,?????????????,?????????????????????
???????????????????????2026????,?????"????,??????"?????:
????????????????,???????
UniApp 3.0???????????,????????????????????????:
1. ????:?????????????,????????
2. ????:?????????????????,???????
3. ????:????????,????????????
4. ????:?????????,??"????,????"
5. ????:??AI??????????????????????????
????????:
????:????UniApp????????,??????
????:??UniApp 3.0??,?????????????
???:??????????????,?????????
??????"????",??"??????????"???UniApp 3.0??????,??????????????????,??????????,?????????????
????APP/??????UniApp??????????,?????????????????????????
?????APP?????????????UniApp???????????,???????????,?????????????????????
????:
????:
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