唯一脚本，只有加减乘除以及等于功能，
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
public class TestButtons : MonoBehaviour {
Button[] buttons;
string content;
public Text contentText;
// Use this for initialization
void Start () {
buttons = new Button[transform.childCount];
Debug.Log(transform.childCount);
for (int i = 0; i < buttons.Length; i++)
{
buttons[i] = transform.GetChild(i).GetComponent<Button>();
}
for (int i = 0; i < buttons.Length; i++)
{
int temp = i;
buttons[i].onClick.AddListener(() => Button(buttons[temp]));
}
}
float a;
float b;
string oper = null;
bool isopera = false;//是否按下操作键
void Button(Button button)
{
if (button.GetComponentInChildren<Text>().text != "+" &&
button.GetComponentInChildren<Text>().text != "-" &&
button.GetComponentInChildren<Text>().text != "*" &&
button.GetComponentInChildren<Text>().text != "/" &&
button.GetComponentInChildren<Text>().text != "="&&
button.GetComponentInChildren<Text>().text != "清空")
{
if (isopera)
{
content += button.GetComponentInChildren<Text>().text;
contentText.text = content;
}
else
{
content = contentText.text += button.GetComponentInChildren<Text>().text;
}
}
else
{
Debug.Log(111);
if (button.GetComponentInChildren<Text>().text == "+")
{
a = float.Parse(content);
oper = "+";
isopera = true;
content = null;
}
if (button.GetComponentInChildren<Text>().text == "-")
{
a = float.Parse(content);
oper = "-";
isopera = true;
content = null;
}
if (button.GetComponentInChildren<Text>().text == "*")
{
a = float.Parse(content);
isopera = true;
oper = "*";
content = null;
}
if (button.GetComponentInChildren<Text>().text == "/")
{
a = float.Parse(content);
oper = "/";
isopera = true;
content = null;
}
if (button.GetComponentInChildren<Text>().text == "=")
{
contentText.text = null;
b = float.Parse(content);
if (oper=="+")
{
contentText.text = (a + b).ToString();
}
if (oper == "-")
{
contentText.text = (a - b).ToString();
}
if (oper == "*")
{
contentText.text = (a * b).ToString();
}
if (oper == "/")
{
contentText.text = (a / b).ToString();
}
isopera = false;
}
if (button.GetComponentInChildren<Text>().text == "清空")
{
oper = null;
isopera = false;
content = contentText.text = null;
}
}
}
// Update is called once per frame
void Update () {
//content=contentText.text;
}
}