watch(num, (nv, ov) => { console.log(nv, ov) }) 通過watch監(jiān)聽多個數(shù)據(jù) watcha監(jiān)聽多個數(shù)據(jù),例如下面的我們需要監(jiān)聽num和user對象的變化,函數(shù)兩個參數(shù):第一個要監(jiān)聽的數(shù)據(jù)(因為是多個數(shù)據(jù)所以用數(shù)組),第二個參數(shù)是監(jiān)聽值發(fā)生變化后觸發(fā)的回調(diào)函數(shù)。 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...
www.dbjr.com.cn/article/2768...htm 2025-6-10