화면전환

src/Quiz.js

@@ -14,27 +14,57 @@ class Quiz extends React.Component {
     super(props)
     this.setAnswer = this.setAnswer.bind(this)
     this.setQuestion = this.setQuestion.bind(this)
-    this.state = {...question[0], i:0, v:""}
+    this.ShowQuiz1 = this.ShowQuiz1.bind(this)
+    this.state = { ...question[0], i: 0, v: "", r: 0 }
+  }
+  ShowQuiz1() {
+    this.setState({ r: 1 })
   }
   setQuestion() {
-    this.setState({...question[this.state.i+1], i:this.state.i+1, v:""})
+    this.setState({ ...question[this.state.i + 1], i: this.state.i + 1, v: "" })
   }
   setAnswer(e) {
     question[this.state.i]["A"] = e.target.value
-    this.setState({v:e.target.value})
+    this.setState({ v: e.target.value })
     console.log(this.state)
     console.log(question)
   }
   render() {
-    return (
-      <div>
-        <h2>Q:{this.state.Q}</h2>
-        <div>
-          <input type="text" value={this.state.v} name="A" onChange={this.setAnswer} />
-        </div>
-        <button type="button" onClick={this.setQuestion}>다음 문제로</button>
-      </div>
-    )
+    if (this.state.r === 1) {
+      if (this.state.i === 3) {
+        return (
+          <div>
+            <h2>수고하셨습니다!</h2>
+          </div>
+        )
+      }
+      else {
+        return (
+          <div className="quiz">
+            <h2>Q:{this.state.Q}</h2>
+            <div>
+              <input type="text" value={this.state.v} name="A" onChange={this.setAnswer} />
+            </div>
+            <button type="button" onClick={this.setQuestion}>다음 문제로</button>
+          </div>
+        )
+      }
+    }
+    else {
+      return (
+        <>
+          <div className="App">
+            <h1 style={{ background: "orange", display: "inline-block", border: "3px solid black", width: "200px" }}> Calculus</h1>
+          </div>
+          <div className="App">
+            이름을 입력하세요
+          <input onChange={(event) => { console.log(event.target.value) }} />
+          </div>
+          <button onClick={this.ShowQuiz1} style={{ margin: "30px", marginLeft: "690px", width: "150px", height: "30px", fontFamily: "impact" }}>Quiz Start !</button>
+        </>
+
+      )
+    }
   }
 }
 

src/index.js

 import React from 'react';
 import ReactDOM from 'react-dom';
 import './index.css';
-import App from './App';
+// import App from './App';
 import Quiz from './Quiz';
 import * as serviceWorker from './serviceWorker';