Input.inputString 输入字符串

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	void Update() {
		foreach (char c in Input.inputString) {
			if (c == "\b"[0])
				if (guiText.text.Length != 0)
					guiText.text = guiText.text.Substring(0, guiText.text.Length - 1);

			else
				if (c == "\n"[0] || c == "\r"[0])
					print("User entered his name: " + guiText.text);
				else
					guiText.text += c;
			}
	}
}

// Shows how to read typing input from the keyboard
// (eg. the user entering his name).
// You need to attach this script to a GUIText object.
// 演示怎样读取键盘输入的字符
//（例如用户输入他的名字）
//你需要将此脚本附加于一个GUIText对象

function Update () {
	for (var c : char in Input.inputString) {
		// Backspace - Remove the last character
		//退格 - 移除最后一个字符
		if (c == "\b"[0]) {
			if (guiText.text.Length != 0)
				guiText.text = guiText.text.Substring(0, guiText.text.Length - 1);
		}
		// End of entry
		//完成进入（登录，登入）
		else if (c == "\n"[0] || c == "\r"[0]) {// "\n" 用于 Mac, "\r" 用于 windows.
			print ("User entered his name: " + guiText.text);
		}
		// Normal text input - just append to the end
		//普通文本输入 - 只是添加到最后
		else {
			guiText.text += c;
		}
	}
}