var base64 = res.data.img;
//通过写文件接口把BASE64的数据转为图片

const fileManager = wx.getFileSystemManager();
fileManager.writeFile({
filePath: wx.env.USER_DATA_PATH + '/test.png',
data: base64,
encoding: 'base64',
success: res => {
if(this.data.imgurl){
this.setData({
imgurl: ''
})
}
this.imagePath = wx.env.USER_DATA_PATH + '/test.png?t=' + new Date().getTime()
console.log('this.imagePath:' + this.imagePath);
this.setData({
imgurl: this.imagePath
})
},
fail: err => {
console.error(err)
}
})

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