vue3中如何遍历并改变二维数组所有指定键的值

你可以使用Vue3中的mapMutations函数来遍历二维数组并修改指定键的值。示例代码如下：const mutations = {
changeValue: (state, payload) => {
state.data.map(item => {
item.map(subItem => {
if (subItem.key === payload.key) {
subItem.value = payload.value;
}
});
});
}
};