formSubmit: function(event) {

    var params = {

        name: event.detail.value.name,

        …

    };

    // 先上传图片

    wx.uploadFile({

url: ‘https://…/upload’,

filePath: that.data.tempFilePath,  // wx.chooseImage所得

name: ‘file’,

success: function(res){

var data = res.data

params.filePath = data.filemame;

// 保存表单

wx.request({

url: ‘https://…/upload’,

data: params,

success: function(res) {

…

}

})

}

    })

},

imageTap: function() {

wx.chooseImage({

  success: function(res) {

    that.data.tempFilePath = res.tempFilePaths[0];

    }

    });

}