数据监听器 | 微信开放文档
数据监听器可以用于监听和响应任何属性和数据字段的变化。 从小程序基础库版本 2.6.1 开始支持。 有时，在一些数据字段被 setData 设置时，需要执行一些操作。 例如， this.data.sum 永远是 this.data.numberA 与 this.data.numberB 的和。 此时，可以使用数据监听器进行如下实现。 }) } } }) 在开发者工具中预览效果. 数据监听器支持监听属性或内部数据的变化，可以同时监听多个。 一次 setData 最多触发每个监听器一次。 同时，监听器可以监听子数据字段，如下例所示。 …
OBSERVER中文(简体)翻译：剑桥词典 - Cambridge Dictionary
OBSERVER翻译：观察者，观察家。 了解更多。
observers是什么意思_observers的翻译_音标_读音_用法_例句_爱 …
Observers have recently found in the Universe giant voids about 500,000,000 light-years across. 观察员最近在宇宙中发现了直径约5亿光年的巨型空洞。 It seemed to some observers that the English had a mania for travelling. 在某些观察家看来，英国人对旅行似乎抱有一种狂热。 Observers say the woman pulled a knife out of the bunch of flowers and stabbed him in the neck. 目击者说那名女子从花束中拔出一把刀来，扎进了他的颈部。
observer是什么意思_observer的翻译_音标_读音_用法_例句_爱词霸 …
According to observers, the plane exploded shortly after take-off. 据目击者说，飞机起飞后不久就爆炸了。 To the casual observer (= somebody who does not pay much attention) , the system appears confusing. 乍看起来，这个系统好像条理不清。 A team of British officials were sent as observers to the conference. 一组英国官员被派去做大会观察员。
OBSERVER | definition in the Cambridge English Dictionary
UN observers are monitoring the ceasefire. Throughout the novel, the story is seen through the eyes of a detached observer. To a casual observer, everything might appear normal. "It was a …
Observer Definition & Meaning - Merriam-Webster
The meaning of OBSERVER is one that observes. How to use observer in a sentence.
欧路词典|英汉-汉英词典 observer是什么意思_observer的中文解释 …
『欧路词典』为您提供observer的用法讲解，告诉您准确全面的observer的中文意思，observer的读音，observer的同义词，observer的反义词，observer的例句。
OBSERVER - 含义与翻译 | 柯林斯英语词典
An observer is a person who is sent to observe an important event or situation, especially in order to make sure it happens as it should, or so that they can tell other people about it. [...] Select the sentence with the correct use of 'lay' or 'lie'. I am going to lay down for a nap. We laid down on the floor. She lay the book on the table.
Observer - Minecraft Wiki
An observer is a block that emits a quick redstone pulse from its back when the block or fluid directly in front of its "face" experiences a change. An observer requires a pickaxe to be mined. When mined without a pickaxe, it drops nothing. ↑ Times are for unenchanted tools as wielded by players with no status effects, measured in seconds.
OBSERVER中文(繁體)翻譯：劍橋詞典 - Cambridge Dictionary
OBSERVER翻譯：觀察者，觀察家。 了解更多。
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