TianJin_23/Assets/Scripts/Equipment/EquipPlusOrReduce.cs

using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using System;

public class EquipPlusOrReduce : MonoBehaviour {
    public GameObject NumLable;
    string buttonName;
    public int equipNum;
    GameObject confirmBtn;
    GameObject reduceButton;
    GameObject plusButton;
    // Use this for initialization
    void Start () {
        buttonName = this.name;
        confirmBtn = this.transform.parent.Find("ConfirmButton").gameObject;
        reduceButton = this.transform.parent.Find("ReduceButton").gameObject;
        plusButton = this.transform.parent.Find("PlusButton").gameObject;

        this.GetComponent<Button>().onClick.AddListener(OnClick);
	}

    private void OnClick()
    {
        int oldEquipNum = confirmBtn.GetComponent<ConfirmSelectEquipNum>().equipNum;
        if (buttonName == "ReduceButton")
        {
            if (equipNum > 0)
            {
                equipNum--;
                if (oldEquipNum > 0)
                    oldEquipNum--;
            }
        }

        if (buttonName == "PlusButton")
        {
            equipNum++;

            oldEquipNum++;
        }

        NumLable.GetComponent<InputField>().text = equipNum.ToString();

        reduceButton.GetComponent<EquipPlusOrReduce>().equipNum = equipNum;
        plusButton.GetComponent<EquipPlusOrReduce>().equipNum = equipNum;

        confirmBtn.GetComponent<ConfirmSelectEquipNum>().equipNum = oldEquipNum;
    }

    // Update is called once per frame
    void Update () {
	
	}

    void OnDestroy()
    {
        this.GetComponent<Button>().onClick.RemoveListener(OnClick);
    }
}