01-uniapp扫描二维码&&自定义扫码界面
2023-07-18 本文已影响0人
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1.扫描二维码
原文地址：https://blog.csdn.net/u011577355/article/details/123015237
<template>
<view class="content">
<view class="btn">
<button type="default" @click="scan">扫描</button>
</view>
<view class="admin">
<view>{{msg}}</view>
</view>
</view>
</template>
<script>
export default {
data() {
return {
msg: ""
}
},
methods: {
scan() {
uni.scanCode({
success: (res) => {
console.log(res);
this.msg = res.result
}
})
}
}
}
</script>
<style>
</style>
2.自定义扫码界面
原文地址：https://blog.csdn.net/qq_33165549/article/details/89879435
<template>
<view>
</view>
</template>
<script>
var barcode = null;
export default {
data() {
return {
name: '', //要在扫码界面自定义的内容
flash: false, //是否打开摄像头
type: ''
};
},
onLoad(d) {
var n = d.text;
this.type = d.type;
if (n) {
this.name = n;
}
var pages = getCurrentPages();
var page = pages[pages.length - 1];
// #ifdef APP-PLUS
plus.navigator.setFullscreen(true); //全屏
var currentWebview = page.$getAppWebview();
this.createBarcode(currentWebview); //创建二维码窗口
this.createView(currentWebview); //创建操作按钮及tips界面
// #endif
},
methods: {
// 扫码成功回调
onmarked(type, result) {
var text = '未知: ';
switch (type) {
case plus.barcode.QR:
text = 'QR: ';
break;
case plus.barcode.EAN13:
text = 'EAN13: ';
break;
case plus.barcode.EAN8:
text = 'EAN8: ';
break;
}
plus.navigator.setFullscreen(false);
uni.navigateBack({
delta: 1
});
this.$eventHub.$emit(this.type, {
result: result
});
barcode.close();
},
// 创建二维码窗口
createBarcode(currentWebview) {
barcode = plus.barcode.create('barcode', [plus.barcode.QR], {
top: '0',
left: '0',
width: '100%',
height: '100%',
scanbarColor: '#1DA7FF',
position: 'static',
frameColor: '#1DA7FF'
});
barcode.onmarked = this.onmarked;
barcode.setFlash(this.flash);
currentWebview.append(barcode);
barcode.start();
},
// 创建操作按钮及tips
createView(currentWebview) {
// 创建返回原生按钮
var backVew = new plus.nativeObj.View('backVew', {
top: '0px',
left: '0px',
height: '40px',
width: '100%'
},
[{
tag: 'img',
id: 'backBar',
src: 'static/backBar.png',
position: {
top: '2px',
left: '3px',
width: '35px',
height: '35px'
}
}]);
// 创建打开手电筒的按钮
var scanBarVew = new plus.nativeObj.View('scanBarVew', {
top: '60%',
left: '40%',
height: '10%',
width: '20%'
},
[{
tag: 'img',
id: 'scanBar',
src: 'static/scanBar.png',
position: {
width: '28%',
left: '36%',
height: '30%'
}
},
{
tag: 'font',
id: 'font',
text: '轻触照亮',
textStyles: {
size: '10px',
color: '#ffffff'
},
position: {
width: '80%',
left: '10%'
}
}
]);
// 创建展示类内容组件
var content = new plus.nativeObj.View('content', {
top: '0px',
left: '0px',
height: '100%',
width: '100%'
},
[{
tag: 'font',
id: 'scanTitle',
text: '扫码',
textStyles: {
size: '18px',
color: '#ffffff'
},
position: {
top: '0px',
left: '0px',
width: '100%',
height: '40px'
}
},
{
tag: 'font',
id: 'scanTips',
text: this.name,
textStyles: {
size: '14px',
color: '#ffffff',
whiteSpace: 'normal'
},
position: {
top: '90px',
left: '10%',
width: '80%',
height: 'wrap_content'
}
}
]);
backVew.interceptTouchEvent(true);
scanBarVew.interceptTouchEvent(true);
currentWebview.append(content);
currentWebview.append(scanBarVew);
currentWebview.append(backVew);
backVew.addEventListener("click", function(e) { //返回按钮
uni.navigateBack({
delta: 1
});
barcode.close();
plus.navigator.setFullscreen(false);
}, false);
var temp = this;
scanBarVew.addEventListener("click", function(e) { //点亮手电筒
temp.flash = !temp.flash;
if (temp.flash) {
scanBarVew.draw([{
tag: 'img',
id: 'scanBar',
src: 'static/yellow-scanBar.png',
position: {
width: '28%',
left: '36%',
height: '30%'
}
},
{
tag: 'font',
id: 'font',
text: '轻触照亮',
textStyles: {
size: '10px',
color: '#ffffff'
},
position: {
width: '80%',
left: '10%'
}
}
]);
} else {
scanBarVew.draw([{
tag: 'img',
id: 'scanBar',
src: 'static/scanBar.png',
position: {
width: '28%',
left: '36%',
height: '30%'
}
},
{
tag: 'font',
id: 'font',
text: '轻触照亮',
textStyles: {
size: '10px',
color: '#ffffff'
},
position: {
width: '80%',
left: '10%'
}
}
])
}
if (barcode) {
barcode.setFlash(temp.flash);
}
}, false)
}
},
onBackPress() {
// #ifdef APP-PLUS
// 返回时退出全屏
barcode.close();
plus.navigator.setFullscreen(false);
// #endif
},
onUnload() {
plus.navigator.setFullscreen(false);
}
};
</script>
<style scoped>
</style>
