原文传送门
一、声明属性
RxInt count = 0.obs;
RxString search = ''.obs;
二、监听属性
1、属性事件监听
ever(count, (callback) {
print("用来监听数字的变化,--$count");
});
once(count, (callback) {
print("只会监听第一次数字的变化,--$count");
});
debounce(count, (callback) {
print("每次用户停止输入1秒时间调用,--$count");
},time: Duration(microseconds: 1000));
interval(count, (callback) {
print(" //每隔1秒输出一次 .,--$count");
},time: Duration(microseconds: 1000));
2、属性Widget监听
Obx(() {
int page = count.value; //获取监听值
return Text('$page');
})
网友评论