<view class="qr-code">
<image src="../img/drmxcxbg.png"></image>
<view class="qr-desc">用微信扫描二维码,查看详情</view>
</view>
<view class="share-li" catchtap="saveCode">
<image src="../../img/shareicon2.png"></image>
<view>保存二维码</view>
</view>
// 点击保存二维码
saveCode(){
var url = '../img/drmxcxbg.png';
this.isCheckSave(url);
},
isCheckSave(url){
var _this = this;
wx.getSetting().then(res=>{
console.log(res);
if (!res.authSetting['scope.writePhotosAlbum']) {
//未授权的话发起授权
wx.authorize({
scope: 'scope.writePhotosAlbum',
success: () => {
//用户允许授权,保存到相册
_this.saveImg(url);
},
fail: () => {
//用户拒绝授权,然后就引导授权(这里的话如果用户拒绝,不会立马弹出引导授权界面,坑就是上边所说的官网原因)
wx.showModal({
content: '请允许打开设置页授权',
success: function (res2) {
if (res2.confirm) {
wx.openSetting({
success: () => {
wx.authorize({
scope: 'scope.writePhotosAlbum',
succes: () => {
//授权成功,保存图片
_this.saveImg(url);
}
})
}
})
}
}
})
}
})
}else{
_this.saveImg(url);
}
})
},
/* 保存图片 */
saveImg(url) {
wx.getImageInfo({
src: url,//图片链接
success(path) {
console.log(path);
wx.saveImageToPhotosAlbum({
filePath: path.path,
success(){
wx.showToast({
title: '已保存至相册',
})
}
})
}
})
},