React-use-key: 键盘事件处理的React Hook解决方案

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资源摘要信息:"react-use-key是一个React的自定义钩子(hook),用于监听和处理键盘事件。它允许开发者在React组件中绑定特定的按键,并在这些按键被按下时执行相关的处理程序。这个库简化了键盘事件监听的代码,使得可以在函数组件中轻松使用键盘快捷键,而无需依赖类组件或手动管理事件监听器的添加和移除。 安装react-use-key非常简单,可以通过npm或yarn包管理器进行安装。安装完成后,可以通过import语句引入useKey钩子,并在组件中使用它。该钩子的用法是通过将一个函数作为参数传递给useKey钩子,该函数将作为事件处理程序。当指定的按键被按下时,这个处理程序函数会被调用。 下面是一个使用react-use-key的基本示例。在这个例子中,我们创建了一个名为Example的React组件,在其中定义了一个名为changeDocument的处理函数,该函数会在按键事件发生时被调用。函数接收一个事件对象e,可以通过这个对象来判断按下的键是什么,以及是否同时按下了ctrl、alt或shift键。函数内部可以根据这些信息来决定如何处理这个事件,例如更改文档内容、执行命令或者触发其他操作。 react-use-key库支持TypeScript,这意味着你可以享受到TypeScript提供的类型检查和自动补全等优势。你可以定义事件处理程序中的参数类型和返回值类型,这有助于提高代码的健壮性和可读性。 文件名react-use-key-master表明,你下载的或者构建的压缩包子文件包中包含了react-use-key的源代码,以及可能的文档、示例代码和开发配置文件等。该名称通常用于版本控制系统如Git的仓库名称,以便追踪和分发代码。 总结来说,react-use-key是一个为React应用提供的便捷的键盘事件处理工具。它不仅简化了在React项目中处理键盘输入的代码,而且通过支持TypeScript,提高了代码的类型安全性。开发者在使用此库时,能够更加专注于业务逻辑的实现,而不必担心事件监听的底层细节。"

{ type: "searchSelect", placeholder: "签约机构", valueName: 'signOrganId', optionName: "label", searchItemName: "label", optionId: "key", searchApi:commonService.orgPageList({}).then(res=>{ const {retData}=res retData.map(item=>{ return {key: item.id, label: item.organName, value: item.id,} }) }) }, 分析一下此段代码的报错 汉语解释index.jsx:55 Uncaught TypeError: item.searchApi is not a function at searchQuery (index.jsx:55:1) at onFocus (index.jsx:129:1) at onContainerFocus (BaseSelect.js:326:1) at HTMLUnknownElement.callCallback (react-dom.development.js:188:1) at Object.invokeGuardedCallbackDev (react-dom.development.js:237:1) at invokeGuardedCallback (react-dom.development.js:292:1) at invokeGuardedCallbackAndCatchFirstError (react-dom.development.js:306:1) at executeDispatch (react-dom.development.js:389:1) at executeDispatchesInOrder (react-dom.development.js:414:1) at executeDispatchesAndRelease (react-dom.development.js:3278:1) at executeDispatchesAndReleaseTopLevel (react-dom.development.js:3287:1) at forEachAccumulated (react-dom.development.js:3259:1) at runEventsInBatch (react-dom.development.js:3304:1) at runExtractedPluginEventsInBatch (react-dom.development.js:3514:1) at handleTopLevel (react-dom.development.js:3558:1) at batchedEventUpdates$1 (react-dom.development.js:21871:1) at batchedEventUpdates (react-dom.development.js:795:1) at dispatchEventForLegacyPluginEventSystem (react-dom.development.js:3568:1) at attemptToDispatchEvent (react-dom.development.js:4267:1) at dispatchEvent (react-dom.development.js:4189:1) at unstable_runWithPriority (scheduler.development.js:653:1) at runWithPriority$1 (react-dom.development.js:11039:1) at discreteUpdates$1 (react-dom.development.js:21887:1) at discreteUpdates (react-dom.development.js:806:1) at dispatchDiscreteEvent (react-dom.development.js:4168:1)

2023-07-13 上传

{ type: "searchSelect", placeholder: "签约机构", valueName: 'signOrganId', optionName: "label", searchItemName: "label", optionId: "key", searchApi:commonService.orgPageList({}).then(res=>{ const {retData}=res retData.map(item=>{ return {key: item.id, label: item.organName, value: item.id,} }) }) }, 分析一下此段代码的报错 汉语解释 ,并修改searchApi中的代码,index.jsx:55 Uncaught TypeError: item.searchApi is not a function at searchQuery (index.jsx:55:1) at onFocus (index.jsx:129:1) at onContainerFocus (BaseSelect.js:326:1) at HTMLUnknownElement.callCallback (react-dom.development.js:188:1) at Object.invokeGuardedCallbackDev (react-dom.development.js:237:1) at invokeGuardedCallback (react-dom.development.js:292:1) at invokeGuardedCallbackAndCatchFirstError (react-dom.development.js:306:1) at executeDispatch (react-dom.development.js:389:1) at executeDispatchesInOrder (react-dom.development.js:414:1) at executeDispatchesAndRelease (react-dom.development.js:3278:1) at executeDispatchesAndReleaseTopLevel (react-dom.development.js:3287:1) at forEachAccumulated (react-dom.development.js:3259:1) at runEventsInBatch (react-dom.development.js:3304:1) at runExtractedPluginEventsInBatch (react-dom.development.js:3514:1) at handleTopLevel (react-dom.development.js:3558:1) at batchedEventUpdates$1 (react-dom.development.js:21871:1) at batchedEventUpdates (react-dom.development.js:795:1) at dispatchEventForLegacyPluginEventSystem (react-dom.development.js:3568:1) at attemptToDispatchEvent (react-dom.development.js:4267:1) at dispatchEvent (react-dom.development.js:4189:1) at unstable_runWithPriority (scheduler.development.js:653:1) at runWithPriority$1 (react-dom.development.js:11039:1) at discreteUpdates$1 (react-dom.development.js:21887:1) at discreteUpdates (react-dom.development.js:806:1) at dispatchDiscreteEvent (react-dom.development.js:4168:1)

2023-07-14 上传