wx.miniProgram.getEnv((res)=>{
								   if (res.miniprogram) {
									    wx.miniProgram.navigateTo({
											url: '/ldy_ldhd/pages/createposter/createposter',
											events: {
											    // 为指定事件添加一个监听器，获取被打开页面传送到当前页面的数据
											    acceptDataFromOpenedPage: function(data) {
											      console.log(data)
											    },
											    someEvent: function(data) {
											      console.log(data)
											    }
											},
											success: function(res) {
												console.log(res);
											    // 通过 eventChannel 向被打开页面传送数据
											    //res.eventChannel.emit('acceptDataFromOpenerPage', { data: 'test' })
											},
											complete:function(res){
												console.log(res);
												console.log('complete');
												res.eventChannel.emit('acceptDataFromOpenerPage', { data: 'test' })
											},
											fail:function(res){
												console.log(res);
												console.log('fail');
											}
										})
										flag_qr=0;
										loading(0);
										return;
								   }

})

在ldy_ldhd/pages/createposter/createposter中接收不到