[PHP] uniapp 截屏扫码

// 截图
export function takeScreenshot() {
    return new Promise(resolve => {
        var pages = getCurrentPages() //获取当前页面信息
        var page = pages[pages.length - 1]
        var bitmap = null
        var currentWebview = page.$getAppWebview()
        bitmap = new plus.nativeObj.Bitmap('amway_img')
        // 将webview内容绘制到Bitmap对象中
        currentWebview.draw(bitmap, function() {
            // console.log('截屏绘制图片成功');
            let rand = Math.floor(Math.random() * 10000)
            let saveUrl = '_doc/' + rand + 'a.jpg'
            // resolve(saveUrl)
            bitmap.save(saveUrl, {}, function(i) {
                resolve(i.target)
            }, function(e) {
                resolve(false)
                console.log('保存图片失败：' + JSON.stringify(e))
            })
        }, function(e) {
            resolve(false)
            console.log('截屏绘制图片失败：' + JSON.stringify(e))
        })
    })
}

// 扫描本地二维码
export function scanLocalImgCode(url) {
    return new Promise(resolve => {
        uni.getImageInfo({
            src: url,
            success: function(image) {
                plus.barcode.scan(image.path, function(type, result) {
                    resolve(result)
                    console.log('扫描成功:(' + type + ')' + result)
                }, function(e) {
                    resolve(false)
                    console.log('扫描失败: ' + JSON.stringify(e))
                })
            }
        })
    })
}

// 扫码
            async handleScan() {
                const imgPath = await takeScreenshot()
                if (imgPath) {
                    const codeContent = await scanLocalImgCode(imgPath)
                    if (codeContent) {
                        console.log(codeContent);
                    } else {
                        this.$toast('扫码失败，请确保二维码在屏幕中完整显示哦', 2000)
                    }
                }
            },