feat: 引入uView Plus组件库,新增部分静态页面

This commit is contained in:
admin
2026-01-17 16:55:19 +08:00
parent 34c63780a8
commit 849647d3c9
562 changed files with 73370 additions and 121 deletions

View File

@@ -0,0 +1,536 @@
<template>
<view class="u-qrcode"
:id="rootId"
:style="{
width: useRootHeightAndWidth ? '100%' : 'auto',
height: useRootHeightAndWidth ? '100%' : 'auto',
}"
@longpress="longpress">
<view class="u-qrcode__content" @click="preview">
<!-- #ifndef APP-NVUE || APP-VUE -->
<canvas
class="u-qrcode__canvas"
:id="cid"
:canvas-id="cid"
type="2d"
:style="{ width: sizeLocal + unit, height: sizeLocal + unit }" />
<!-- #endif -->
<!-- #ifdef APP-VUE -->
<canvas
class="u-qrcode__canvas"
:id="cid"
:canvas-id="cid"
:style="{ width: sizeLocal + unit, height: sizeLocal + unit }" />
<!-- #endif -->
<!-- #ifdef APP-NVUE -->
<web-view v-if="icon != ''" ref="web" src="/static/app-plus/up-canvas/local.html"
:style="'width:' + sizeLocal + 'px;height:' + sizeLocal + 'px'"
@onPostMessage="_onMessage" />
<gcanvas v-else class="u-qrcode__canvas" ref="gcanvess"
:style="{ width: sizeLocal + unit, height: sizeLocal + unit }">
</gcanvas>
<!-- #endif -->
<view v-if="showLoading && loading" class="u-qrcode__loading"
:style="{ width: sizeLocal + unit, height: sizeLocal + unit }">
<up-loading-icon vertical :text="loadingText" textSize="14px"></up-loading-icon>
</view>
</view>
</view>
</template>
<script>
import QRCode from "./qrcode.js"
// #ifdef APP-NVUE
// https://github.com/dcloudio/NvueCanvasDemo/blob/master/README.md
import {
enable,
WeexBridge,
Image as GImage
} from '../../libs/util/gcanvas/index.js';
// #endif
let qrcode
export default {
name: "u-qrcode",
props: {
cid: {
type: String,
default: () => `u-qrcode-canvas${Math.floor(Math.random() * 1000000)}`
},
size: {
type: Number,
default: 200
},
unit: {
type: String,
default: 'px'
},
show: {
type: Boolean,
default: true
},
val: {
type: String,
default: ''
},
background: {
type: String,
default: '#ffffff'
},
foreground: {
type: String,
default: '#000000'
},
pdground: {
type: String,
default: '#000000'
},
icon: {
type: String,
default: ''
},
iconSize: {
type: Number,
default: 40
},
lv: {
type: Number,
default: 3
},
onval: {
type: Boolean,
default: true
},
loadMake: {
type: Boolean,
default: true
},
usingComponents: {
type: Boolean,
default: true
},
showLoading: {
type: Boolean,
default: true
},
loadingText: {
type: String,
default: '生成中'
},
allowPreview: {
type: Boolean,
default: false
},
// 是否使用根节点宽高
useRootHeightAndWidth: {
type: Boolean,
default: () => false
},
},
emits: ['result', 'longpressCallback'],
data() {
return {
loading: false,
result: '',
popupShow: false,
list: [
{
name: '保存二维码',
}
],
rootId: `rootId${Number(Math.random() * 100).toFixed(0)}`,
ganvas: null,
canvasObj: {},
sizeLocal: this.size,
ctx: null, // ctx 在new Qrcode 时js文件内部设置
canvas: null, // ctx 在new Qrcode 时js文件内部设置
_ready: false
}
},
async mounted(){
// 如果使用根节点的宽高 则 重新设置 size
if(this.useRootHeightAndWidth){
await this.setNewSize()
}
this.canvas = await this.getCanvasNode(this.cid)
// #ifdef APP-NVUE
this.isNvue = true
/*获取绘图所需的上下文目前不支持3d*/
this.ctx = this.canvas.getContext('2d')
// #endif
// #ifndef APP-NVUE
this.ctx = this.getContext()
// #endif
if (this.loadMake) {
if (!this._empty(this.val)) {
setTimeout(() => {
setTimeout(()=>{
this._makeCode()
})
}, 0);
}
}
},
methods: {
_onMessage(e) {
// console.log('post message', e)
const message = e.detail.data[0]
switch (message.action) {
// web-view 初始化完毕
case 'onJSBridgeReady':
this._ready = true
this.$refs.web.evalJs('setContent('+JSON.stringify(this.$props) +')')
break
// qrcodeOk
case 'qrcodeOk':
this._result(message.imageData)
// this.$emit('load')
break
}
},
_makeCode() {
let that = this
if (!this._empty(this.val)) {
// #ifndef APP-NVUE
this.loading = true
// #endif
// nvue下时因为gcanvas的GImage不生效因此icon模式会采用webview
if ((this.icon == '' && that.isNvue) || !that.isNvue) {
qrcode = new QRCode({
vuectx: that, // 上下文环境
canvasId: that.cid, // canvas-id
canvas: that.canvas,
ctx: that.ctx,
isNvue: that.isNvue,
usingComponents: that.usingComponents, // 是否是自定义组件
showLoading: false, // 是否显示loading
loadingText: that.loadingText, // loading文字
text: that.val, // 生成内容
size: that.sizeLocal, // 二维码大小
background: that.background, // 背景色
foreground: that.foreground, // 前景色
pdground: that.pdground, // 定位角点颜色
correctLevel: that.lv, // 容错级别
image: that.icon, // 二维码图标
imageSize: that.iconSize,// 二维码图标大小
cbResult: function (res) { // 生成二维码的回调
that._result(res)
},
});
}
} else {
uni.showToast({
title: '二维码内容不能为空',
icon: 'none',
duration: 2000
});
}
},
_clearCode() {
this._result('')
qrcode.clear()
},
_saveCode() {
let that = this;
if (this.result != "") {
uni.saveImageToPhotosAlbum({
filePath: that.result,
success: function () {
uni.showToast({
title: '二维码保存成功',
icon: 'success',
duration: 2000
});
}
});
} else {
this.toTempFilePath({
success: res => {
that.result = res.tempFilePath
uni.saveImageToPhotosAlbum({
filePath: that.result,
success: function () {
uni.showToast({
title: '二维码保存成功',
icon: 'success',
duration: 2000
});
}
});
},
fail: err => {
}
})
}
},
preview(e) {
// 预览图片
// console.log(this.result)
if (this.allowPreview) {
uni.previewImage({
urls: [this.result],
longPressActions: {
itemList: ['保存二维码图片'],
success: function(data) {
// console.log('选中了第' + (data.tapIndex + 1) + '个按钮,第' + (data.index + 1) + '张图片');
switch (data.tapIndex) {
case 0:
that._saveCode();
break;
}
},
fail: function(err) {
console.log(err.errMsg);
}
}
});
}
this.$emit('preview', {
url: this.result
}, e)
},
async toTempFilePath({success, fail}) {
if (this.ct) {
this.ctx.toTempFilePath(
0,
0,
this.sizeLocal,
this.sizeLocal,
this.sizeLocal,
this.sizeLocal,
"",
1,
res => {
success(res)
}
);
}
else {
// #ifdef H5
success({
tempFilePath: this.ctx.canvas.toDataURL("image/png", 1)
})
// #endif
// #ifndef H5
uni.canvasToTempFilePath(
{
canvasId: this.cid,
success :res => {
success(res)
},
fail: fail
},
this)
// #endif
}
},
async longpress() {
this.toTempFilePath({
success: res => {
this.$emit('longpressCallback', res.tempFilePath)
},
fail: err => {
}
})
},
/**
* 使用根节点宽高 设置新的size
* @return {Promise<void>}
*/
async setNewSize(){
const rootNode = await this.getCanvasNode(this.rootId, false);
const { width , height } = rootNode;
// 将最短的设置为二维码 的size
if(width > height){
this.sizeLocal = height
}
else{
this.sizeLocal = width
}
},
/**
* 获取节点
* @param id 节点id
* @param isCanvas 是否为Canvas节点
* @return {Promise<unknown>}
*/
async getCanvasNode(id, isCanvas = true) {
return new Promise((resolve, reject) => {
try {
// #ifdef APP-NVUE
setTimeout(() => {
/*获取元素引用*/
this.ganvas = this.$refs["gcanvess"]
/*通过元素引用获取canvas对象*/
let canvasNode = enable(this.ganvas, {
bridge: WeexBridge
})
resolve(canvasNode)
}, 200)
// #endif
// #ifndef APP-NVUE
const query = uni.createSelectorQuery().in(this);
query.select(`#${id}`)
.fields({
node: true,
size: true
})
.exec((res) => {
if (isCanvas) {
resolve(res[0].node)
} else {
resolve(res[0])
}
})
// #endif
} catch (e) {
console.error("获取节点失败", e)
}
})
},
getContext() {
// #ifdef APP-VUE
return uni.createCanvasContext(this.cid, this);
// #endif
// #ifndef APP-VUE
return this.canvas.getContext('2d');
// #endif
},
drawImage(url, x, y, w, h) {
try {
let img = {}
// #ifdef APP-NVUE
img = new GImage();
// #endif
// #ifdef H5
// APP下不支持会一直卡住
img = new Image();
// #endif
// #ifdef MP
// 小程序2d
// https://developers.weixin.qq.com/miniprogram/dev/api/canvas/Canvas.createImage.html
img = canvas.createImage();
// #endif
// #ifdef APP-NVUE
let that = this
console.log(img)
img.onload = function(){
if (process.env.NODE_ENV === 'development') {
console.log('drawImage绘制2...')
}
that.cxt.drawImage(img, x, y, w, h);
}
// #endif
// #ifdef H5 || MP
img.onload = () => {
this.ctx.drawImage(img, x, y, w, h);
};
// #endif
img.src = url;
// #ifdef APP-VUE
this.ctx.drawImage(url, x, y, w, h);
// #endif
} catch (error) {
console.log('drawImage绘制出错', error)
}
},
selectClick(index) {
switch (index) {
case 0:
alert('保存二维码')
this._saveCode();
break;
}
},
_result(res) {
this.loading = false;
this.result = res;
this.$emit('result', res);
},
_empty(v) {
let tp = typeof v,
rt = false;
if (tp == "number" && String(v) == "") {
rt = true
} else if (tp == "undefined") {
rt = true
} else if (tp == "object") {
if (JSON.stringify(v) == "{}" || JSON.stringify(v) == "[]" || v == null) rt = true
} else if (tp == "string") {
if (v == "" || v == "undefined" || v == "null" || v == "{}" || v == "[]") rt = true
} else if (tp == "function") {
rt = false
}
return rt
},
},
watch: {
size: function (n, o) {
if (n != o && !this._empty(n)) {
this.cSize = n
if (!this._empty(this.val)) {
setTimeout(() => {
this._makeCode()
}, 100);
}
}
},
val: function (n, o) {
if (this.onval) {
if (n != o && !this._empty(n)) {
setTimeout(() => {
this._makeCode()
}, 0);
}
}
}
},
computed: {
}
}
</script>
<style lang="scss" scoped>
.u-qrcode {
&__loading {
display: flex;
justify-content: center;
align-items: center;
background-color: #f7f7f7;
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
/* #ifdef MP-TOUTIAO */
/**字节小程序在编译时会出现一个 [hidde]:{ display: none !important; } 这个样式
* 会导致canvas 隐藏掉 没有找到具体原因先这样处理
*/
&__canvas {
display: block !important;
}
/* #endif */
&__content {
position: relative;
&__canvas {
position: fixed;
top: -99999rpx;
left: -99999rpx;
z-index: -99999;
}
}
}
</style>