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31 lines
598 B
31 lines
598 B
/* 有一个状态 type 1 2 3
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1 对应 h1
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2 对应 h2
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3 对应 h3 */
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/* 原则：模板中的逻辑尽量保持精简
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复杂的多分支的逻辑，收敛为一个函数，通过一个专门的函数来写分支逻辑，模板中只负责调用即可 */
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const getTitle = (type) => {
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if(type === 1) {
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return <h1>h1标题</h1>
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}
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if(type === 2) {
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return <h2>h2标题</h2>
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}
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if(type === 3) {
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return <h3>h3标题</h3>
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}
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}
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function App() {
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return (
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<div className="App">
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{getTitle(1)}
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{getTitle(2)}
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{getTitle(3)}
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</div>
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);
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}
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export default App;
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