这篇文章主要介绍小程序如何实现采集录音并上传到后台，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
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具体内容如下
demo.wxml
录音开始（mp3）
录音结束
播放录音
播放录音
demo.wxss
view{
padding: 15px;
}demo.js
// pages/newMusic/index.js
const recorderManager = wx.getRecorderManager();
Page({
data: {
},
/**
* 提示
*/
tip: function (msg) {
wx.showModal({
title: '提示',
content: msg,
showCancel: false
})
}
/**
* 录制mp3音频
*/
, startRecordMp3: function () {
recorderManager.start({
format: 'mp3'
});
}
/**
* 停止录音
*/
, stopRecord: function () {
recorderManager.stop()
}
/**
* 播放录音
*/
, playRecord: function () {
var that = this;
var src = this.data.src;
if (src == '') {
this.tip("请先录音！")
return;
}
this.innerAudioContext.src = this.data.src;
this.innerAudioContext.play()
},
onLoad: function (options) {
var that = this;
recorderManager.onError(function () {
that.tip("录音失败！")
});
recorderManager.onStop(function (res) {
that.setData({
src: res.tempFilePath
})
console.log(res.tempFilePath)
that.tip("录音完成！")
});
this.innerAudioContext = wx.createInnerAudioContext();
this.innerAudioContext.onError((res) => {
that.tip("播放录音失败！")
})
}
})java后台接收
package com.azor.controller;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.lang.StringUtils;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import com.azor.utils.HttpAPIService;
import ch.qos.logback.classic.Logger;
import net.sf.json.JSONObject;
@RestController
@RequestMapping("/base_voice")
public class BaseController {
private static final Logger logger = (Logger) LoggerFactory.getLogger(BaseController.class);
private static String lineSeparator = System.getProperty("line.separator");
@Autowired
protected Environment env;
@Autowired
protected HttpAPIService httpAPIService;
/** 上传文件保存路径 */
private final String FILE_SAVE_PATH = "D:/photo/jac_hr_miniprogram_file/";
/** 主业务数据Map */
protected Map dataMap = new HashMap<>();
/** HTTP POST 请求Map */
protected Map postMap = new HashMap<>();
@RequestMapping("/file_upload")
public void saveFile(HttpServletRequest request, String url) throws Exception {
logger.info("文件上传开始" + lineSeparator);
// 1.获取从前台传过来得图片
MultipartHttpServletRequest req = (MultipartHttpServletRequest) request;
MultipartFile multipartFile = req.getFile("file");
// 2.获得文件扩展名
String extOfFile = getExtOfFile(multipartFile);
// 3.保存到本地
BufferedOutputStream bos = null;
String filename = null;
try {
File dir = new File(file_save_path);
if (!dir.exists()) {// 判断文件目录是否存在
dir.mkdirs();
}
filename = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()) + (int) (Math.random() * 1000) + "."
+ extOfFile;
bos = new BufferedOutputStream(new FileOutputStream(file_save_path + filename));
bos.write(multipartFile.getBytes());
} catch (Exception e) {
e.printStackTrace();
} finally {
if (bos != null) {
try {
bos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
public String getExtOfFile(MultipartFile multipartFile) {
// 获取文件的 名称.扩展名
String oldName = multipartFile.getOriginalFilename();
String extensionName = "";
// 获取原来的扩展名
if ((oldName != null) && (oldName.length() > 0)) {
int dot = oldName.lastIndexOf('.');
if ((dot > -1) && (dot < (oldName.length() - 1))) {
extensionName = oldName.substring(dot+1);
}
}
return extensionName;
}
}效果
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