Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders. Instead, use a data or computed property based on the prop's value 产生错误的原因:在子组件中,你试图修改父组件通过props与子组件通信的数据。 两种解决方法: 将这个父组件传进来的要修改的数...
在Vue.js中,当你看到警告信息 "[vue warn]: avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders with new props" 时,这意味着你尝试直接修改了从父组件传递到子组件的prop值。在Vue中,props是单向数据流的一部分,子组件应该避免直接修改props,因为这...
Avoid mutating a prop directly since the value will be overwritten whenever,程序员大本营,技术文章内容聚合第一站。
[Vue warn]: Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders. Instead, use a data or computed property based on the prop’s value. Prop being mutated: “data” found in —> at src/views/training/classroom/components/newView.vue at...
vue2中组件的的props的数据流动改为了只能单向流动,即只能由组件外通过组件的dom属性attribute传递props给组件内,组件内只能被动接收组件外传递过来的数据,并且在组件内,不能修改由外层传来的props数据。 prop 是单向绑定的:当父组件的属性变化时,将传导给子组件,但是不会反过来。这是为了防止子组件无意修改了父组件...
** 一、当el-dialog作为子组件使用,点击右上角的关闭按钮会出现如下报错**报错:[Vuewarn]:Avoidmutatingapropdirectlysincethevaluewillbeoverwrittenwhenevertheparentcomponentre-renders.Instead,useadataorcomputed 父组件通过props传值给子组件,如何避免子组件改变props的属性值报错问题 ...
Vue错误：Avoidmutatingapropdirectly Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders.这个错误是因为，因为我们直接修改⽗组件传递过来的参数，这样会存在影响外部组件的风险。解决⽅案：在组件内部再构建⼀套属性域，来存储⽗组件传递过来的参数,从...
Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders. Instead, use a data or computed property based on the prop's value. Prop being mutated: "dialogFormVisible" 效果虽然实现,但是有这么个警告如何解决呢?
[Vue warn]: Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders. Instead, use a data or computed property based on the prop's value. Prop being mutated: "items_index" ...