//表单提交至数据库
//参考文章https://www.jianshu.com/p/1365c4556c32?utm_campaign=maleskine&utm_content=note&utm_medium=seo_notes&utm_source=recommendation
btnSub(res){
var that = this;
var filelist = that.data.fileList;//fileList储存临时地址
let timestamp = (new Date()).valueOf();//用于命名cloudpath
var date=new Date();//用于获取时间
var now=date.getFullYear()+"/"+date.getMonth()+"/"+date.getDate()+" "+date.getHours()+":"+date.getMinutes(); //得到此时的时间
var content=res.detail.value.content;//将编辑框的内容存在content中
var i=0//用于for循环
for(;i<filelist.length;i++){
var image_fileID=that.data.image_fileID//定义局部image_fileID接收数据
var filePath=filelist[i].url//filePath为缓存图片存在的地址
var cloudPath=timestamp + '.png'//cloudPath为图片在数据库的名字或地址，以时间戳为地址
console.log(filePath)
console.log(cloudPath)
wx.cloud.uploadFile({
cloudPath,//上传至云端的路径
filePath,//小程序临时文件地址
success: res => {//返回文件ID res.fileID
console.log('[上传文件] 成功：', res)
console.log(res.fileID)
image_fileID.push(res.fileID)//这是局部image_fileID用push添加数据
that.setData({
image_fileID:image_fileID,//j局部image_fileID传值给全局image_fileID
})
console.log('image_fileID: '+image_fileID)
console.log('image_fileID.length: '+image_fileID.length)
console.log('i='+i)
console.log('filelist.length:'+filelist.length)
if(filelist.length===image_fileID.length)//当所有图片的fileID都记录下来时执行数据库上传
{ //在里面如果定义数据会出问题，具体原因不清楚
console.log('filelist.length:'+filelist.length)
db.collection("speak").add({//speak为数据库集合名称
data:{
time:now, //提交数据
content:content,
image_fileID:that.data.image_fileID,
}
}).then(res=>{
console.log("---res")
console.log(res)
})
}
else{
console.log("meijinqu")
}
},fail: e => {
console.error('[上传文件] 失败：', e)
}
})
}
},
