小程序多图片下载 迭代
picArr=['sdfasfasf.jpg','sdafasfdsaf.jpg']
//下载内容
xiazaiTupian: function (picArr,index) {
let that=this;
index=index||0;
console.log(picArr[index])
wx.downloadFile({
url: picArr[index],
success: function (res) {
var temp = res.tempFilePath
console.log(index)
console.log(temp)
wx.saveImageToPhotosAlbum({
filePath: temp,
success: function () {
index+=1;
if (index < picArr.length){
that.xiazaiTupian(picArr, index);
}else{
wx.showToast({
title: '下载完成',
})
}
},
fail: function () {
index += 1;
if (index < picArr.length) {
that.xiazaiTupian(picArr, index);
} else {
wx.showToast({
title: '下载完成',
})
}
wx.showToast({
title: '第' + (index+1) + '下载失败',
})
}
})
},
fail: function (res) {
wx.showToast({
title: '下载失败',
})
}
})
},