index.vue
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<template>
<div class="absolute top-0 left-0 right-0 bottom-0 flex">
<!--表单区域-->
<Left
ref="leftRef"
:is-generating="isGenerating"
@submit="submit"
@direct-generate="directGenerate"
/>
<!--右边生成思维导图区域-->
<Right
ref="rightRef"
:generatedContent="generatedContent"
:isEnd="isEnd"
:isGenerating="isGenerating"
:isStart="isStart"
/>
</div>
</template>
<script lang="ts" setup>
import Left from './components/Left.vue'
import Right from './components/Right.vue'
import { AiMindMapApi, AiMindMapGenerateReqVO } from '@/api/ai/mindmap'
import { MindMapContentExample } from '@/views/ai/utils/constants'
defineOptions({
name: 'AiMindMap'
})
const ctrl = ref<AbortController>() // 请求控制
const isGenerating = ref(false) // 是否正在生成思维导图
const isStart = ref(false) // 开始生成,用来清空思维导图
const isEnd = ref(true) // 用来判断结束的时候渲染思维导图
const message = useMessage() // 消息提示
const generatedContent = ref('') // 生成思维导图结果
const leftRef = ref<InstanceType<typeof Left>>() // 左边组件
const rightRef = ref<InstanceType<typeof Right>>() // 右边组件
/** 使用已有内容直接生成 **/
const directGenerate = (existPrompt: string) => {
isEnd.value = false // 先设置为 false 再设置为 true,让子组建的 watch 能够监听到
generatedContent.value = existPrompt
isEnd.value = true
}
/** 停止 stream 生成 */
const stopStream = () => {
isGenerating.value = false
isStart.value = false
ctrl.value?.abort()
}
/** 提交生成 */
const submit = (data: AiMindMapGenerateReqVO) => {
isGenerating.value = true
isStart.value = true
isEnd.value = false
ctrl.value = new AbortController() // 请求控制赋值
generatedContent.value = '' // 清空生成数据
AiMindMapApi.generateMindMap({
data,
onMessage: async (res) => {
const { code, data, msg } = JSON.parse(res.data)
if (code !== 0) {
message.alert(`生成思维导图异常! ${msg}`)
stopStream()
return
}
generatedContent.value = generatedContent.value + data
await nextTick()
rightRef.value?.scrollBottom()
},
onClose() {
isEnd.value = true
leftRef.value?.setGeneratedContent(generatedContent.value)
stopStream()
},
onError(err) {
console.error('生成思维导图失败', err)
stopStream()
// 需要抛出异常,禁止重试
throw error
},
ctrl: ctrl.value
})
}
/** 初始化 */
onMounted(() => {
generatedContent.value = MindMapContentExample
})
</script>