#插件讨论# 【 离线OCR文字识别 - zzguang 】示例代码报错了

硬件：红米5plus
系统：PixelExperience
试用模式在调试基座
加入了需要的权限
代码完全从页面复制粘贴
TypeError: Cannot read property 'ocr' of undefined
有什么需要注意的吗？
第一次使用原生插件

<template>  
    <view class="content">  

        <button type="default" @click="ocr">传图片文件进行ocr识别</button>  

        <button type="default" @click="base64ocr">传base64图片进行OCR识别 </button>  
        <image :src="imgsrc"></image>  
        <view style="padding: 10px;margin: 10px;word-break: break-all;">  
            {{ocrresult}}  
        </view>  
    </view>  
</template>  

<script>  

    export default {  
        data() {  
            return {  
                ocrresult:'识别结果',   
                imgsrc:''  
            }  
        },  
        onLoad() {  

        },  
        methods: {  

            ocr()  
            {  
                var that=this;  
                let ocrmodule = uni.requireNativePlugin('guang-ocrmodule');  
                uni.chooseImage({  
                                    count: 1,   
                                    sizeType: ['original', 'compressed'],   
                                    sourceType: ['album','camera'],   
                                    success: function (res) {  
                                        let filepath= res.tempFilePaths[0];  
                                        let fullpath = plus.io.convertLocalFileSystemURL(filepath);  
                                        console.log(JSON.stringify(res.tempFilePaths))  
                                        console.log(fullpath);  
                                        that.imgsrc=fullpath;  

                                        uni.showLoading({  
                                                            title: '识别中'  
                                                        });  

                                        var ret = ocrmodule.ocr({  
                                            "file":fullpath,  

                                            },e=>{  
                                                console.log(JSON.stringify(e));  
                                                that.ocrresult=JSON.stringify(e);  

                                             uni.hideLoading();  

                                        })                

                                    }  

                                });  

            },  

            base64ocr()  
            {  
                var that=this;  
                let ocrmodule = uni.requireNativePlugin('guang-ocrmodule');  
            uni.chooseImage({    
                count: 1,   
                sizeType: ['original', 'compressed'],   
                sourceType: ['album', 'camera'],   
                success(res) {    
                    let path= res.tempFilePaths[0];  
                     var bitmap = new plus.nativeObj.Bitmap("test");  
                     bitmap.load(path,function(){  
                     var base64=bitmap.toBase64Data();  
                     that.imgsrc=base64  
                     uni.showLoading({  
                                         title: '识别中'  
                                     });  
                     var ret = ocrmodule.ocr({  
                         "base64":base64,  

                         },e=>{  
                            that.ocrresult=JSON.stringify(e);  
                            console.log(JSON.stringify(e));  

                         uni.hideLoading();  

                     })   

                     })  
                }   
            });  

            }   

        }  
    }  
</script>  

<style>  
    .content {  
        display: flex;  
        flex-direction: column;  
        align-items: center;  
        justify-content: center;  
    }  

    .logo {  
        height: 200rpx;  
        width: 200rpx;  
        margin-top: 200rpx;  
        margin-left: auto;  
        margin-right: auto;  
        margin-bottom: 50rpx;  
    }  

    .text-area {  
        display: flex;  
        justify-content: center;  
    }  

    .title {  
        font-size: 36rpx;  
        color: #8f8f94;  
    }  
</style>