add read line code

Author: wangding

04-process/03-read-line.js

@@ -0,0 +1,21 @@
+#!/usr/bin/env node
+
+const readline = require('readline/promises');
+const { stdin: input, stdout: output } = require('process');
+
+const rl = readline.createInterface({ input, output });
+
+const msg   = ['Name', 'Email', 'QQ', 'Mobile'];
+let me = {};
+
+async function main() {
+  for(let i=0; i<4; i++) {
+    const answer = await rl.question(msg[i] + ': ');
+    me[msg[i]] = answer;
+  }
+
+  rl.close();
+  console.log(me);
+}
+
+main();

04-process/03-std-io.js

@@ -22,4 +22,3 @@ stdin.on('data', (data) => {
 stdin.on('end', () => {
   log(me);
 });
-