wx.downloadFile({

url: e.currentTarget.dataset.pdf,

header: {},

success: function(res) {

var filePath = res.tempFilePath;

console.log(res);

if (res.statusCode == 404) {

wx.showToast({

title: ‘获取文件失败’,

icon: ‘success’,

duration: 2000

})

} else {

wx.openDocument({

filePath: filePath,

fileType: ‘pdf’,

success: function(res) {

console.log(res);

wx.showToast({

title: “打开成功”,

icon: ‘success’,

duration: 2000

})

},

fail: function(res) {

wx.showToast({

title: “打开失败”,

icon: ‘success’,

duration: 2000

})

},

complete: function(res) {

console.log(res);

}

})

}

},

fail: function(res) {

console.log(‘文件下载失败’);

},

complete: function(res) {},

})