mui集成百度语音转写成文字

(function($, doc) {  

    $.plusReady(function() {  
        var dst;  
        var src;  
        var recordCancel = false;  
        var recorder = null;  
        var audio_tips = document.getElementById("audio_tips");  
        var startTimestamp = null;  
        var stopTimestamp = null;  
        var stopTimer = null;  
        var path1 = null;  
        if(mui.os.android) {  
            var format = "amr";  
        } else if(mui.os.ios) {  
            var format = "wav";  
        }  
        var rate = "16000";  
        var channel = "1";  
        //      var cuid = 'plus.device.imei'; //mac和imei码data:audio/amr;base64,  
        var cuid = '';  
        var speech = '';  
        var token_url = "https://aip.baidubce.com/oauth/2.0/token?";  
        var len = '';  
        var grant_type = "grant_type=自己的&";  
        var APIkey = "client_id=自己的&";  
        var SecretKey = "client_secret=自己的&";  
        var AppID = "自己的";  
        var access_token = "";  
        var fileArr = [];  
        var ui = {  
            boxMsgSound: doc.querySelector('#voice'),  
            areaMsgList: doc.querySelector('#search'),  
            boxSoundAlert: doc.querySelector('#sound-alert'),  
            mistake: doc.querySelector('#mistake'),  
            voice: doc.querySelector('#voice'),  
        };  

        function msgTextFocus() {  
            ui.boxMsgText.focus();  
            setTimeout(function() {  
                ui.boxMsgText.focus();  
            }, 150);  
        }  
        //点击输入框话筒  
        ui.boxMsgSound.addEventListener('tap', function(event) {  
            recordCancel = false;  
            if(stopTimer) clearTimeout(stopTimer);  
            audio_tips.innerHTML = "点击完成";  
            ui.boxSoundAlert.classList.remove('rprogress-sigh');  
            setSoundAlertVisable(true);  
            jQuery('.shield').show();  
            recorder = plus.audio.getRecorder();  
            if(recorder == null) {  
                plus.nativeUI.toast("不能获取录音对象");  
                return;  
            }  
            startTimestamp = (new Date()).getTime();  
            recorder.record({  
                format: 'wav',  
                samplerate: '16000',  
                filename: "_doc/audio/"  
            }, function(path) {  
                fileArr.push(path);  
                if(recordCancel) return;  
                Audio2dataURL(path);  
            }, function(e) {  
                plus.nativeUI.toast("录音时出现异常: " + e.message);  
            });  

        }, false);  

        ui.boxSoundAlert.addEventListener('tap', function(event) {  
            setSoundAlertVisable(false);  
            jQuery('.shield').hide();  
            recorder.stop();  
        }, false);  
        var setSoundAlertVisable = function(show) {  
            if(show) {  
                ui.boxSoundAlert.style.display = 'block';  
                ui.boxSoundAlert.style.opacity = 1;  
            } else {  
                ui.boxSoundAlert.style.opacity = 0;  
                //fadeOut 完成再真正隐藏  
                setTimeout(function() {  
                    ui.boxSoundAlert.style.display = 'none';  
                }, 200);  
            }  
        };  

        /**  
         * 录音语音文件转base64字符串  
         * @param {Object} path  
         */  
        function Audio2dataURL(path) {  
            plus.io.resolveLocalFileSystemURL(path, function(entry) {  
                entry.file(function(file) {  
                    var reader = new plus.io.FileReader();  
                    reader.onloadend = function(e) {  
                        var strResult = e.target.result;  
                        var index = strResult.indexOf('base64,') + 7;  
                        var base64Str = strResult.slice(index, strResult.length);  
                        delVoiceFile();  
                        len = file.size;  
                        if(!pageUtils.netWork()) {  
                            pageUtils.netToast();  
                        } else {  
                            voiceToWord(base64Str);  
                        }  
                    };  
                    reader.readAsDataURL(file);  
                }, function(e) {  
                    pageUtils.showToast("读写出现异常: " + e.message);  
                })  
            })  
        }  

        token();  
                //获取token,需要取百度语音自己获取，相关操作参考百度语音api  
        function token() {  
            if(mui.os.android) {  
                data2 = grant_type + APIkey + SecretKey;  
            } else if(mui.os.ios) {  
                APIkey = 'client_id=自己的&';  
                SecretKey = 'client_secret=自己的';  
                AppID = '自己的';  
                data2 = grant_type + APIkey + SecretKey;  
            }  
            mui.ajax(token_url, {  
                data: data2,  
                type: 'post',  
                contentType: "application/json; charset=utf-8",  
                timeout: 5000,  
                success: function(resp) {  
                    access_token = resp.access_token;  
                },  
                error: function(xhr, type, errorThrown) {  
                    pageUtils.showToast("网络请求出错");  
                }  
            });  
        }  
                //将语音转成文字  
        function voiceToWord(speech) {  
            var data1 = {  
                "rate": rate,  
                "format": format,  
                "channel": channel,  
                "cuid": AppID,  
                "token": access_token,  
                "speech": speech,  
                "dev_pid": 1536,  
                "len": len  
            };  
            mui.ajax(pageUtils.VOICEURL, {  
                data: data1,  
                type: 'post',  
                contentType: "application/json; charset=utf-8",  
                timeout: 5000,  
                success: function(resp) {  
                    if(resp.result == undefined || resp.result == '') {  
                        return;  
                    }  
                    jQuery('#mistake').show();  
                    jQuery('#voice').hide();  
                    ui.areaMsgList.value = resp.result[0];  
                },  
                error: function(xhr, type, errorThrown) {  
                    if(type == 'timeout') {  
                        pageUtils.showToast("录音超时");  
                    } else {  
                        pageUtils.showToast("网络请求出错");  
                    }  
                }  
            });  
        }  
        //这里录音发送完成就不需要了，所以没有必要存在手机里，直接删除音频  
        function delVoiceFile() {  
            for(var i = 0; i < fileArr.length; i++) {  
                plus.io.resolveLocalFileSystemURL(fileArr[i], function(entry) {  
                    if(entry.isFile) {  
                        setTimeout(function() {  
                            entry.remove(function(entry) {  
                                fileArr.pop();  
                                //                              pageUtils.showToast('删除成功');  
                            }, function(e) {  
                                //                              pageUtils.showToast('删除失败');  
                            });  
                        }, 500);  

                    }  
                }, function(e) {  
                    alert("Resolve file URL failed: " + e.message);  
                });  
            }  

        }  

    });  
}(mui, document));