BarCodeUtil.js
3.74 KB
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class BarCodeUtil {
static barcode = null;
/**
* @private
*/
static hasLight = false;
/**
* 停止扫码
*/
static stopScan() {
if (this.barcode !== null) {
this.barcode.close();
}
}
/**
* 切换闪光灯
* @return {boolean} 切换后闪光灯是否开启
*/
static switchLight() {
if (this.barcode !== null) {
this.hasLight = !this.hasLight;
this.barcode.setFlash(this.hasLight);
}
return this.hasLight;
}
static typeToString(type) {
const { plus } = window;
// eslint-disable-next-line guard-for-in
for (const key in plus.barcode) {
const value = plus.barcode[key];
if (type === value) {
return key;
}
}
return '未知';
}
/**
* 开始扫码
* @param { (type, code)=>void } successHandler 扫码成功的处理方法
*/
static startScan(successHandler) {
this.stopScan();
let view = null;
const { plus } = window;
const height = plus.screen.resolutionHeight - plus.navigator.getStatusbarHeight();
this.barcode = plus.barcode.create(
'barcode',
[
plus.barcode.QR,
plus.barcode.EAN13,
plus.barcode.EAN8,
plus.barcode.AZTEC,
plus.barcode.DATAMATRIX,
plus.barcode.UPCA,
plus.barcode.UPCE,
plus.barcode.CODABAR,
plus.barcode.CODE39,
plus.barcode.CODE93,
plus.barcode.CODE128,
plus.barcode.ITF,
plus.barcode.MAXICODE,
plus.barcode.PDF417,
plus.barcode.RSS14,
plus.barcode.RSSEXPANDED,
],
{
top: '0',
left: '0px',
width: '100%',
buttom: '0',
position: 'absolute',
zIndex: '1',
},
);
this.barcode.onmarked = (type, result) => {
this.stopScan();
newBaseView.close();
successHandler(type, result);
};
view = new plus.nativeObj.View(
'test',
{
top: '20px', left: '20px', height: '30px', width: '80px',
},
[
{
tag: 'font',
id: 'font',
text: '关闭',
textStyles: { size: '18px', color: '#fff' },
position: {
top: '0px',
left: '0px',
width: '100%',
height: '30px',
},
},
],
);
// view.interceptTouchEvent(true);
// plus.webview.currentWebview().append(view);
const id = Date.now().toString();
const newBaseView = plus.webview.create('', id, { top: '0px', bottom: '0px', height });
newBaseView.append(this.barcode);
newBaseView.append(view);
newBaseView.show();
this.barcode.start();
view.addEventListener('click', () => {
newBaseView.close();
this.barcode.close();
}, false);
}
/* 调用手机摄像头并拍照 */
static getImage() {
const { plus } = window;
const cmr = plus.camera.getCamera();
cmr.captureImage((p) => {
plus.io.resolveLocalFileSystemURL(p, (entry) => {
this.uploadImage(entry.toLocalURL(), entry.name); // 上传拍照的图片
}, (e) => {
plus.nativeUI.toast(`读取拍照文件错误：${e.message}`);
});
}, (e) => {
plus.nativeUI.toast(`调用摄像头错误：${e.message}`);
}, {
filter: 'image',
});
}
/* 相册选择图片 */
static getPhoto() {
const { plus } = window;
plus.gallery.pick((path) => {
const name = path.substring(path.lastIndexOf('/') + 1);
this.uploadImage(path, name);// 上传选择的图片
}, (e) => {
plus.nativeUI.toast(`选取图片错误：${e.message}`);
}, { filter: 'image' });
}
/* 图片上传入库 */
static uploadImage(url, filename) {
console.log('uploadImage：', url, filename);
}
}
export default BarCodeUtil;