validate.js中出现TypeError: Cannot read property ‘call‘ of undefined

本文描述了在使用Thymeleaf页面加入validate校验时遇到TypeError问题的排查过程,最终发现是由于代码中require关键字使用不当导致。文章强调了在编写代码时需要注意JS与表单的交互细节。

在使用thymeleaf页面中加入了validate校验,启动服务报TypeError: Cannot read property ‘call’ of undefined,如图:
在这里插入图片描述
经过一番筛查发现有可能是form表单或者js校验问题,最后发现是在代码中require单词
在这里插入图片描述
所以在写代码的时候一定注意认真,一般这种问题就是js和表单的问题!!

[Runtime] Page(route=`packages/pages/404/404`).onUnload VM189:1 [IDE] Simulator: 35.26.12 index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:2 [Runtime] MiniProgram Launch Information index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:2 SDKVersion: 2.10.1 index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:2 Subpackages: 1 index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:2 LazyCodeLoading: true index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:2 EntryPagePath: pages/index/index vendor.js:55396 Warning: KaTeX doesn't work in quirks mode. Make sure your website has a suitable doctype. (anonymous) @ vendor.js:55396 __nested_webpack_require_1361308__ @ vendor.js:42794 (anonymous) @ vendor.js:42847 (anonymous) @ vendor.js:42779 webpackUniversalModuleDefinition @ vendor.js:42775 (anonymous) @ vendor.js:42774 29744 @ vendor.js:42773 __webpack_require__ @ bootstrap:19 76026 @ app.js:3 __webpack_require__ @ bootstrap:19 appCallback @ app.json?f9f8:26 $AppxFramework.bootstrapInAppContextByProtocol @ index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:2 bootstrap @ app.json:107 __webpack_modules__.13359.module.exports @ app.json:131 (anonymous) @ app.json?f9f8:68 (anonymous) @ app.json?f9f8:76 (anonymous) @ app.json?f9f8:76 (anonymous) @ app.json?f9f8:76 (anonymous) @ index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:13 vendor.js:10610 uni-router v1.2.7 VM184:194 [APPX][Page] pages/index/index/0 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at Object.onLoad (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28161:20) at e.invokePublicMethod (https://appx/af-appx.worker.min.js:6:486960) at s.invokePageEvent (https://appx/af-appx.worker.min.js:6:729721) at e.invokePageEvent (https://appx/af-appx.worker.min.js:6:986672) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokePageEvent] (https://appx/af-appx.worker.min.js:6:102749) at e.performLifeHook (https://appx/af-appx.worker.min.js:6:483087) 1762998206731 VM184:194 [APPX][Page] pages/index/index/0 CallMethod error Cannot read properties of undefined (reading '$callHook')/TypeError: Cannot read properties of undefined (reading '$callHook') at Object.onShow (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28166:18) at e.invokePublicMethod (https://appx/af-appx.worker.min.js:6:486960) at s.invokePageEvent (https://appx/af-appx.worker.min.js:6:729721) at e.invokePageEvent (https://appx/af-appx.worker.min.js:6:986672) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokePageEvent] (https://appx/af-appx.worker.min.js:6:102749) at e.performLifeHook (https://appx/af-appx.worker.min.js:6:483087) at e.performLifeHook (https://appx/af-appx.worker.min.js:6:895919) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> (https://appx/af-appx.worker.min.js:6:102963) 1762998206734 browser.js:184 [APPX][Component] /node-modules/npm-scope-dcloudio/uni-components/lib/navigation-bar/navigation-bar/2 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28292:18 at initVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28236:22) at Object.onInit (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28291:9) at e.invoke (https://appx/af-appx.worker.min.js:6:789282) at e.invokeLifecycle (https://appx/af-appx.worker.min.js:6:784324) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokeLifecycle] (https://appx/af-appx.worker.min.js:6:102749) 1762998206737 browser.js:184 [APPX][Component] /components/tabbar/tabbar/3 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28292:18 at initVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28236:22) at Object.onInit (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28291:9) at e.invoke (https://appx/af-appx.worker.min.js:6:789282) at e.invokeLifecycle (https://appx/af-appx.worker.min.js:6:784324) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokeLifecycle] (https://appx/af-appx.worker.min.js:6:102749) 1762998206739 browser.js:184 [APPX][Component] /uni_modules/vk-uview-ui/components/u-tabbar/u-tabbar/4 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28292:18 at initVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28236:22) at Object.onInit (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28291:9) at e.invoke (https://appx/af-appx.worker.min.js:6:789282) at e.invokeLifecycle (https://appx/af-appx.worker.min.js:6:784324) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokeLifecycle] (https://appx/af-appx.worker.min.js:6:102749) 1762998206740 VM184:194 [APPX][Component] /node-modules/npm-scope-dcloudio/uni-components/lib/navigation-bar/navigation-bar/2 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at createComponent3 (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28256:18) at initVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28236:22) at Object.didMount (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28263:11) at e.invoke (https://appx/af-appx.worker.min.js:6:789282) at e.invokeLifecycle (https://appx/af-appx.worker.min.js:6:784324) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokeLifecycle] (https://appx/af-appx.worker.min.js:6:102749) 1762998206745 VM184:194 [APPX][Component] /uni_modules/vk-uview-ui/components/u-tabbar/u-tabbar/4 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at createComponent3 (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28256:18) at initVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28236:22) at Object.didMount (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28263:11) at e.invoke (https://appx/af-appx.worker.min.js:6:789282) at e.invokeLifecycle (https://appx/af-appx.worker.min.js:6:784324) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokeLifecycle] (https://appx/af-appx.worker.min.js:6:102749) 1762998206747 VM184:194 [APPX][Component] /components/tabbar/tabbar/3 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at createComponent3 (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28256:18) at initVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28236:22) at Object.didMount (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28263:11) at e.invoke (https://appx/af-appx.worker.min.js:6:789282) at e.invokeLifecycle (https://appx/af-appx.worker.min.js:6:784324) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokeLifecycle] (https://appx/af-appx.worker.min.js:6:102749) 1762998206749 [APPX][Page] pages/index/index/0 CallMethod error Cannot read properties of undefined (reading '$callHook')/TypeError: Cannot read properties of undefined (reading '$callHook') at Object.onReady (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28170:18) at e.invokePublicMethod (https://appx/af-appx.worker.min.js:6:486960) at s.invokePageEvent (https://appx/af-appx.worker.min.js:6:729721) at e.invokePageEvent (https://appx/af-appx.worker.min.js:6:986672) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokePageEvent] (https://appx/af-appx.worker.min.js:6:102749) at e.performLifeHook (https://appx/af-appx.worker.min.js:6:483087) at e.performLifeHook (https://appx/af-appx.worker.min.js:6:895919) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> (https://appx/af-appx.worker.min.js:6:102963) 1762998206783 [Runtime] Page(route=`pages/index/index`).onReady [Runtime] Page(route=`pages/index/index`).onUnload pay.js:14 Pay构造函数,modules: Map(5) {'WECHAT' => Wechat, 'BALANCE' => Balance, 'ALIPAY' => Alipay, 'E_ALIPAY' => EAlipay, 'E_WECHAT' => EWechat} pay.js:16 注入支付方式: WECHAT Wechat {} pay.js:16 注入支付方式: BALANCE Balance {} pay.js:16 注入支付方式: ALIPAY Alipay {} pay.js:16 注入支付方式: E_ALIPAY EAlipay {} pay.js:16 注入支付方式: E_WECHAT EWechat {} pay.js:19 Pay构造完成,this上的属性: (5) ['WECHAT', 'BALANCE', 'ALIPAY', 'E_ALIPAY', 'E_WECHAT'] app.json?1a67:48 [APPX][Page] packages/pages/404/404/1 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at Object.onLoad (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28161:20) at e.invokePublicMethod (https://appx/af-appx.worker.min.js:6:486960) at s.invokePageEvent (https://appx/af-appx.worker.min.js:6:729721) at e.invokePageEvent (https://appx/af-appx.worker.min.js:6:986672) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokePageEvent] (https://appx/af-appx.worker.min.js:6:102749) at e.performLifeHook (https://appx/af-appx.worker.min.js:6:483087) 1762998207321 app.json?1a67:48 [APPX][Page] packages/pages/404/404/1 CallMethod error Cannot read properties of undefined (reading '$callHook')/TypeError: Cannot read properties of undefined (reading '$callHook') at Object.onShow (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28166:18) at e.invokePublicMethod (https://appx/af-appx.worker.min.js:6:486960) at s.invokePageEvent (https://appx/af-appx.worker.min.js:6:729721) at e.invokePageEvent (https://appx/af-appx.worker.min.js:6:986672) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokePageEvent] (https://appx/af-appx.worker.min.js:6:102749) at e.performLifeHook (https://appx/af-appx.worker.min.js:6:483087) at e.performLifeHook (https://appx/af-appx.worker.min.js:6:895919) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> (https://appx/af-appx.worker.min.js:6:102963) 1762998207325 validate.js:12 [APPX][Component] /node-modules/npm-scope-dcloudio/uni-components/lib/navigation-bar/navigation-bar/2 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28292:18 at initVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28236:22) at Object.onInit (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28291:9) at e.invoke (https://appx/af-appx.worker.min.js:6:789282) at e.invokeLifecycle (https://appx/af-appx.worker.min.js:6:784324) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokeLifecycle] (https://appx/af-appx.worker.min.js:6:102749) 1762998207330 validate.js:12 [APPX][Component] /uni_modules/vk-uview-ui/components/u-empty/u-empty/3 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28292:18 at initVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28236:22) at Object.onInit (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28291:9) at e.invoke (https://appx/af-appx.worker.min.js:6:789282) at e.invokeLifecycle (https://appx/af-appx.worker.min.js:6:784324) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokeLifecycle] (https://appx/af-appx.worker.min.js:6:102749) 1762998207332 validate.js:12 [APPX][Component] /node-modules/uniapp-router-next/components/router-navigate/router-navigate/4 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28292:18 at initVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28236:22) at Object.onInit (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28291:9) at e.invoke (https://appx/af-appx.worker.min.js:6:789282) at e.invokeLifecycle (https://appx/af-appx.worker.min.js:6:784324) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokeLifecycle] (https://appx/af-appx.worker.min.js:6:102749) 1762998207335 app.json?1a67:48 [APPX][Component] /node-modules/npm-scope-dcloudio/uni-components/lib/navigation-bar/navigation-bar/2 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at createComponent3 (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28256:18) at initVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28236:22) at Object.didMount (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28263:11) at e.invoke (https://appx/af-appx.worker.min.js:6:789282) at e.invokeLifecycle (https://appx/af-appx.worker.min.js:6:784324) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokeLifecycle] (https://appx/af-appx.worker.min.js:6:102749) 1762998207338 app.json?1a67:48 [APPX][Component] /uni_modules/vk-uview-ui/components/u-empty/u-empty/3 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at createComponent3 (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28256:18) at initVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28236:22) at Object.didMount (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28263:11) at e.invoke (https://appx/af-appx.worker.min.js:6:789282) at e.invokeLifecycle (https://appx/af-appx.worker.min.js:6:784324) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokeLifecycle] (https://appx/af-appx.worker.min.js:6:102749) 1762998207339 app.json?1a67:48 [APPX][Component] /node-modules/uniapp-router-next/components/router-navigate/router-navigate/4 CallMethod error Cannot read properties of undefined (reading '$vm')/TypeError: Cannot read properties of undefined (reading '$vm') at getAppVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27922:18) at $createComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:27926:26) at createVueComponent (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28137:10) at createComponent3 (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28256:18) at initVm (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28236:22) at Object.didMount (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28263:11) at e.invoke (https://appx/af-appx.worker.min.js:6:789282) at e.invokeLifecycle (https://appx/af-appx.worker.min.js:6:784324) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokeLifecycle] (https://appx/af-appx.worker.min.js:6:102749) 1762998207342 app.json?c4bf:6 [APPX] WindowSize[0]: 393/754, responsive: true, font-size: 52.4px 1762998207438 [APPX][Page] packages/pages/404/404/1 CallMethod error Cannot read properties of undefined (reading '$callHook')/TypeError: Cannot read properties of undefined (reading '$callHook') at Object.onReady (http://127.0.0.1:56739/index.worker.js?hash=bffb4f12&from_service_worker=true&url=file%3A%2F%2F%2Fhttp%3A%2F%2F127.0.0.1%3A56739%2Findex.html&page=pages%2Findex%2Findex&ap_framework_sceneId=0000&enablePolyfillWorker=true&ap_framework_sceneId=0000:28170:18) at e.invokePublicMethod (https://appx/af-appx.worker.min.js:6:486960) at s.invokePageEvent (https://appx/af-appx.worker.min.js:6:729721) at e.invokePageEvent (https://appx/af-appx.worker.min.js:6:986672) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> [as invokePageEvent] (https://appx/af-appx.worker.min.js:6:102749) at e.performLifeHook (https://appx/af-appx.worker.min.js:6:483087) at e.performLifeHook (https://appx/af-appx.worker.min.js:6:895919) at F (https://appx/af-appx.worker.min.js:6:6175) at r.<computed> (https://appx/af-appx.worker.min.js:6:102963) 1762998207481 [Runtime] Page(route=`packages/pages/404/404`).onReady
最新发布
11-14
在 Vue.js 应用中,遇到 `TypeError: Cannot read properties of undefined (reading 'validate')` 错误通常表示尝试访问一个未定义(`undefined`)对象的 `validate` 属性或方法。这种错误常见于组件、插件或第三方库未能正确初始化或注入到 Vue 实例中。 ### 常见原因及解决方案 #### 1. 表单验证组件未正确引入 如果使用了类似 Element UI 的表单组件,并调用了 `this.$refs.form.validate()` 方法,则需要确保: - `<el-form>` 组件及其引用(ref)已正确定义。 - `$refs.form` 不为 `undefined`,即组件确实在 DOM 中渲染并被正确引用。 ```html <el-form ref="form" :model="formData" label-width="120px"> <!-- form items --> </el-form> ``` 在调用 `validate` 方法前,建议进行空值检查: ```javascript if (this.$refs.form) { this.$refs.form.validate((valid) => { if (valid) { // 验证通过逻辑 } }); } ``` #### 2. 插件或组件未正确注册 某些情况下,`validate` 方法可能来自某个插件(如 Vuelidate 或 Element UI 的表单模块)。如果插件未正确安装或未在组件中导入,则可能导致该方法不可用。 例如,使用 Element UI 时,应确保在入口文件(如 `main.js`)中正确引入整个库或按需加载所需的组件和样式: ```javascript import Vue from 'vue'; import ElementUI from 'element-ui'; import 'element-ui/lib/theme-chalk/index.css'; Vue.use(ElementUI); ``` #### 3. 异步加载组件导致的引用问题 如果使用了异步组件或动态导入(如 `() => import('...')`),在组件尚未加载完成时尝试访问其方法或属性,也可能导致 `validate` 为 `undefined`。 可以使用 `v-if` 控制组件渲染时机,确保组件加载后再调用相关方法: ```html <component v-if="isComponentLoaded" :is="dynamicComponent" ref="formComponent" /> ``` #### 4. 自定义函数或混入中引用了未定义的变量 在自定义方法或混入(mixins)中调用了 `validate`,但没有确保目标对象存在。此时应添加防御性判断: ```javascript methods: { submitForm() { const validator = this.validator; if (validator && typeof validator.validate === 'function') { validator.validate(); } else { console.warn('Validator or validate method is not defined.'); } } } ``` #### 5. 第三方库版本不兼容 如果你使用的是第三方 UI 框架(如 Element UI、Ant Design Vue 等),请确认其版本与 Vue 核心库是否兼容。升级或降级相关依赖可能有助于解决此类问题。 可通过以下命令更新依赖: ```bash npm update element-ui ``` 或指定版本安装: ```bash npm install element-ui@2.15.7 ``` ---
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