Error: [vm] "name" is not defined
<template>
<div>
<p>{{ name }}p>
div>
template>
<script>
export default {
data() {
return {
name: 'Hello',
};
},
};
script>
Error: [vm] "name" is not a function
<template>
<div>
<p>{{ name() }}p>
div>
template>
<script>
export default {
data() {
return {
name: function () {
return 'Hello';
},
};
},
};
script>
Error: [vm] "message" is not defined
<template>
<div>
<p>{{ message }}p>
div>
template>
<script>
export default {
data() {
return {
message: 'Hello',
};
},
};
script>
Error: [vm] "data" is not defined
<template>
<div>
<p>{{ data.message }}p>
div>
template>
<script>
export default {
data() {
return {
message: 'Hello',
};
},
created() {
console.log('Component created');
},
};
script>
Error: [vm] "method" is not a function
<template>
<div>
<button @click="incrementCounter">Click mebutton>
<p>Counter: {{ counter }}p>
div>
template>
<script>
export default {
data() {
return {
counter: 0,
};
},
methods: {
incrementCounter() {
this.counter++;
},
},
};
script>
Error: [vm] "message" is not defined
<template>
<div>
<p>{{ message }}p>
div>
template>
<script>
export default {
data() {
return {
message: 'Hello',
};
},
};
script>
Error: [vm] "message" is not defined
<template>
<div>
<p>{{ message }}p>
div>
template>
<script>
export default {
data() {
return {
message: 'Hello',
};
},
render(h) {
return h('div', {
children: h('p', {
text: this.message,
}),
});
},
};
script>
Error: [vm] "component" is not defined
示例代码:
import MyComponent from '@/components/MyComponent.vue';
export default {
components: {
MyComponent,
},
};
export default {
data() {
return {
message: 'Hello',
};
},
created() {
console.log('Component created');
},
mounted() {
console.log('Component mounted');
},
};
<template>
<div @click="handleClick">
Click me
div>
template>
<script>
export default {
methods: {
handleClick() {
console.log('Clicked');
},
},
};
script>
<template>
<div>
<p>{{ message }}p>
div>
template>
<script>
export default {
data() {
return {
message: 'Hello',
};
},
};
script>
<template>
<div>
<p>{{ propName }}p>
div>
template>
<script>
export default {
props: {
propName: 'value',
},
};
script>
<template>
<div>
<p>{{ dataProperty }}p>
div>
template>
<script>
export default {
data() {
return {
dataProperty: 'value',
};
},
};
script>
<template>
<div>
<button @click="handleMethod">Click mebutton>
div>
template>
<script>
export default {
methods: {
handleMethod() {
console.log('Method called');
},
},
};
script>
<template>
<div>
<p>{{ computedProperty }}p>
div>
template>
<script>
export default {
computed: {
computedProperty: function () {
return 'value';
},
},
};
script>
// mixin.js
export function mixin({ methods, computed }) {
return {
methods,
computed,
};
}
// Component.vue
<template>
<div>
<p>{{ mixinProperty }}</p>
</div>
</template>
<script>
import mixin from './mixin';
export default {
mixins: [
mixin({
methods: {
mixinMethod: function () {
console.log('Mixin method called');
},
},
computed: {
mixinProperty: function () {
return 'Value from mixin';
},
},
}),
],
};
</script>
在这个例子中,我们首先创建了一个名为 mixin.js
的文件,用于定义一个 mixin。这个 mixin 包含了一个方法 mixinMethod
和一个计算属性 mixinProperty
。然后,在 Component.vue
中,我们导入了这个 mixin,并将其添加到组件的 mixins
属性中。这样,组件就可以使用 mixin 中定义的方法和计算属性了。
如果你在组件中使用 mixin 时遇到了 “mixinProperty” is not a function 的错误,请检查你的 mixin 定义是否正确,并确保组件的 mixins
属性包含了正确的 mixin。