How to use speech synthesis function in uniapp

How to use the speech synthesis function in uniapp

With the popularity of smart devices and the development of artificial intelligence, the application of speech synthesis function in mobile applications is becoming more and more popular. As a cross-platform development framework, Uniapp also provides support for speech synthesis functions. This article will introduce how to use the speech synthesis function in uniapp and give corresponding code examples.

1. Introducing the speech synthesis function plug-in

To use the speech synthesis function in uniapp, we need to introduce the corresponding plug-in first. In the uniapp plug-in market, there are many speech synthesis function plug-ins to choose from, such as Baidu AI, iFlytek Voice, etc. Here we take the Baidu AI speech synthesis plug-in as an example to demonstrate how to introduce and use it.

1. In the root directory of the uniapp project, find the manifest.json file and add the following code:

"mp-weixin": {
  "plugins": {
    "baidu-tts": {
      "version": "1.1.0",
      "provider": "wx598c4b63df70b211"
    }
  }
}

Here, the WeChat applet is For example, wx598c4b63df70b211 is the provider ID of Baidu AI speech synthesis plug-in, and the version number can be adjusted according to the actual situation.

2. In the page where the speech synthesis function needs to be used, introduce the plug-in API:

import tts from '@/plugins/baidu-tts/index.js'

2. Call the speech synthesis function

After introducing the plug-in, You can then call the speech synthesis function to convert text to speech. We can call the speech synthesis function in an event on the page, such as when a button is clicked.

methods: {
  async textToSpeech() {
    try {
      const res = await tts.textToSpeech('你好，欢迎使用语音合成功能')
      if (res.statusCode === 200) {
        const filePath = res.tempFilePath
        uni.playVoice({ filePath })
      } else {
        uni.showToast({ title: '语音合成失败', icon: 'none' })
      }
    } catch (error) {
      uni.showToast({ title: '语音合成失败', icon: 'none' })
    }
  }
}

In the above code, we call the textToSpeech method of the speech synthesis plug-in and pass in the text parameters that need to be synthesized. This method will return a Promise object and wait for the result of speech synthesis through the await keyword.

If the speech synthesis is successful, we can play the synthesized speech through the uni.playVoice method. If the synthesis fails, we can display a prompt message through the uni.showToast method.

3. Complete code example

The following is a complete uniapp page code example that demonstrates how to use the speech synthesis function:

<template>
  <view class="container">
    <button @click="textToSpeech">合成语音</button>
  </view>
</template>

<script>
import tts from '@/plugins/baidu-tts/index.js'

export default {
  methods: {
    async textToSpeech() {
      try {
        const res = await tts.textToSpeech('你好，欢迎使用语音合成功能')
        if (res.statusCode === 200) {
          const filePath = res.tempFilePath
          uni.playVoice({ filePath })
        } else {
          uni.showToast({ title: '语音合成失败', icon: 'none' })
        }
      } catch (error) {
        uni.showToast({ title: '语音合成失败', icon: 'none' })
      }
    }
  }
}
</script>

<style scoped>
.container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
button {
  padding: 10px 20px;
  background-color: #007AFF;
  color: #fff;
  border-radius: 5px;
}
</style>

In the above example, we have The speech synthesis function is called in the click event and the synthesized speech is played.

Summary

This article introduces how to use the speech synthesis function in uniapp and gives corresponding code examples. By introducing plug-ins and calling the corresponding API, we can easily implement the text-to-speech function. In order to achieve a better user experience, we can expand and optimize based on actual needs based on functional implementation. I hope this article can help uniapp developers to better use the speech synthesis function.

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