js:
choose: function () {
    var that = this
    wx.chooseImage({
      count:9,
      sizeType: ['original', 'compressed'], 
      sourceType: ['album', 'camera'], 
      success: function (res) {
        var tempFilePaths = res.tempFilePaths
        that.setData({
          tempFilePaths: res.tempFilePaths
        })
        wx.setStorage({ key: "card", data: tempFilePaths })
      }
    })
},
  
fabu: function (e) {
	var that = this
	var card = wx.getStorageSync('card')
	console.log(card);
	for(var i=0;i<card.length;i++){
		wx.uploadFile({
			url: 'https://www.gaoqingsong.com/index.php?img=1',
			filePath: card[i],
			name: 'myfile',
			formData: {

			},
			success: function (res) {
			  console.log('=================')
			  console.log(res)
			  console.log('==================')
			}
		})
	}
},
wxml:
<view class="shangchuan" bindtap="choose">
	<image style="width:100%;height:100;" src="http://f10.baidu.com/it/u=511386945,2160218788&fm=76"></image>
</view>
<button formType='submit' class="fabu" bindtap="fabu">上傳到伺服器</button>
php:
$imgname = $_FILES['myfile']['name'];
$tmp = $_FILES['myfile']['tmp_name'];
if(move_uploaded_file($tmp,$imgname.".png")){
	exit(json_encode("上傳成功"));
}else{
	exit(json_encode("上傳失敗"));
}