uni-app小程序下载图片
<view class="bottom"> <view class="but" v-if="openSettingBtnHidden" @click="saveEwm"><text>保存图片</text></view> </view>
export default {
data() {
return {
imgurl:'', // 图片地址
openSettingBtnHidden: true, //是否授权
}
}
}
// 点击保存图片到相册 handleSetting(e){ if (!e.detail.authSetting['scope.writePhotosAlbum']) { this.openSettingBtnHidden = false; } else { this.openSettingBtnHidden = true; } },
saveEwm:function(e){ var that = this //获取相册授权 uni.getSetting({ success(res) { if (!res.authSetting['scope.writePhotosAlbum']) { uni.authorize({ scope: 'scope.writePhotosAlbum', success() { //这里是用户同意授权后的回调 that.saveImgToLocal(); }, fail() {//这里是用户拒绝授权后的回调 this.openSettingBtnHidden=false } }) } else {//用户已经授权过了 that.saveImgToLocal(); } } }) },
saveImgToLocal:function(e){ var that = this uni.showModal({ title: '提示', content: '确定保存到相册吗', success: function (res) { if (res.confirm) { uni.downloadFile({ url: that.imgurl,//图片地址 success: (res) =>{ if (res.statusCode === 200){ uni.saveImageToPhotosAlbum({ filePath: res.tempFilePath, success: function() { uni.showToast({ title: "保存成功", icon: "none" }); }, fail: function() { uni.showToast({ title: "保存失败", icon: "none" }); } }); } } }) } else if (res.cancel) { } } }); },
注意:以上代码是我百度的方法,然后根据自己实际的开发需求做了调整,具体是哪位博主的,忘记了,写在这里只是为了给自己记一个笔记,有需要的拿走大家共同学习哈