wx.canvasToTempFilePath({          canvasId: id,          x: x,          y: y,          width: width,          height: height,          destWidth: width / deviceRadio,          destHeight: height / deviceRadio,success: function success(res) {console.log(‘success’);            typeof args[args.length - 1] === ‘function’ && args[args.length - 1](res.tempFilePath);          },fail: function fail(res) {console.log(‘fail’);console.log(res);}        });break;