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@@ -8,27 +8,29 @@
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### 按钮 loading
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ElementPlus 的按钮组件支持 `loading` 属性,请求期间禁用按钮:
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Ant Design 的按钮组件支持 `loading` 属性,请求期间禁用按钮:
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```vue
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<template>
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<el-button
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<a-button
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type="primary"
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:loading="submitting"
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@click="handleSubmit"
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>
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提交
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</el-button>
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</a-button>
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</template>
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<script setup>
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import { message } from 'ant-design-vue';
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const submitting = ref(false);
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async function handleSubmit() {
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submitting.value = true;
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try {
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await exampleAdd(formData.value);
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ElMessage.success('添加成功');
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message.success('添加成功');
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} finally {
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submitting.value = false;
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}
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@@ -41,29 +43,34 @@ async function handleSubmit() {
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前端提供 `useLockFn` 钩子函数,实现请求级别的防重复提交:
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```typescript
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import { useLockFn } from '@/utils/lock';
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import { message } from 'ant-design-vue';
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import { useLockFn } from '@/utils/useLockFn';
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// 包装提交函数,防止重复点击
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const handleSubmit = useLockFn(async () => {
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const { isLock, lockFn: handleSubmit } = useLockFn(async () => {
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await exampleAdd(formData.value);
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ElMessage.success('添加成功');
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message.success('添加成功');
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});
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```
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`useLockFn` 原理:
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```typescript
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function useLockFn(fn: Function) {
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let isLocked = false;
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return async (...args: any[]) => {
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if (isLocked) return;
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isLocked = true;
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// ui/src/utils/useLockFn.ts
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import { ref } from 'vue';
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export function useLockFn(fn: (...args: any[]) => Promise<any>) {
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const isLock = ref(false);
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const lockFn = async (...args: any[]) => {
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if (isLock.value) return;
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isLock.value = true;
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try {
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return await fn(...args);
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await fn(...args);
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} finally {
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isLocked = false;
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isLock.value = false;
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}
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};
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return { isLock, lockFn };
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}
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```
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