TypeError: undefined is not an object (evaluating 'o.type.name') 叁歲伎倆 2023-06-22 13:37 175阅读 0赞 uni-app启动报错,造成白屏,H5端正常,小程序和APP报错如下: reportJSException >>>> exception function:createInstanceContext, exception:white screen cause create instanceContext failed,check js stack ->TypeError: undefined is not an object (evaluating 'o.type.name') getTemplateInfo== template md5 d4747f701467e54e45cbae7bc3c29e61 length 17231462 base64 md5 1HR/cBRn5U5Fy657w8KeYQ== response header \{"templateSourceBase64MD5":\["1HR/cBRn5U5Fy657w8KeYQ=="\],"templateSourceMD5":\["d4747f701467e54e45cbae7bc3c29e61"\]\} **原因:** ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0hSTTI0NTQ_size_16_color_FFFFFF_t_70][] **解决方式:** 首先我们需要定位到错误在哪里,直接运行到HbuilderX运行到真机无法定位到问题出自哪一个文件,我们需要点击控制台的debug图标,如下: ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0hSTTI0NTQ_size_16_color_FFFFFF_t_70 1][] 打开真机调试视图之后,看到如下报错信息就能够定位到问题文件: ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0hSTTI0NTQ_size_16_color_FFFFFF_t_70 2][] 找到对应的文件 ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0hSTTI0NTQ_size_16_color_FFFFFF_t_70 3][] 保存,问题解决。 uni-app H5端容错率较高,APP端和小程序端语法更严格,报的错误很难定位到问题点,写组件的时候一定要注意给属性声明类型。 [watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0hSTTI0NTQ_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20191219100533338.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0hSTTI0NTQ=,size_16,color_FFFFFF,t_70 [watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0hSTTI0NTQ_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/2019121910035328.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0hSTTI0NTQ=,size_16,color_FFFFFF,t_70 [watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0hSTTI0NTQ_size_16_color_FFFFFF_t_70 2]: https://img-blog.csdnimg.cn/201912191004391.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0hSTTI0NTQ=,size_16,color_FFFFFF,t_70 [watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0hSTTI0NTQ_size_16_color_FFFFFF_t_70 3]: https://img-blog.csdnimg.cn/20191219100614813.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0hSTTI0NTQ=,size_16,color_FFFFFF,t_70
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