mqtt.onMessageArrived = onMessageArrived;
function onMessageArrived(message) {
this.setState({ // this 不生效
member_prize_info: parseJSon.data.concat(this.state.member_prize_info),
member_prize_info_tmp: parseJSon.data,
}, () => {
this.onStateChange(); // 调取函数不生效 不报错~ 求指导
})
}
onStateChange() {
alert(1)
}
调取函数不生效 不报错~ 求指导