71 lines
1.7 KiB
C#
71 lines
1.7 KiB
C#
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using UnityEngine;
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using System.Collections;
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using UnityEngine.UI;
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/// <summary>
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/// 超链接按钮 参考资料 [1] 陌的专栏 http://blog.csdn.net/juan_bo/article/details/52301302
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/// </summary>
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public class UILinkButton : MonoBehaviour
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{
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private Text linkText;
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public string m_url;
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void Awake()
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{
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var tfText = transform.Find("Text");
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if (tfText)
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linkText = transform.Find("Text").GetComponent<Text>();
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}
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void Start()
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{
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CreateLink(linkText, onButtonClick);
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}
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public void CreateLink(Text text, UnityEngine.Events.UnityAction onClickBtn)
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{
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if (text == null)
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return;
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//克隆Text，获得相同的属性
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Text underline = Instantiate(text) as Text;
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underline.name = "Underline";
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underline.transform.SetParent(text.transform);
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RectTransform rt = underline.rectTransform;
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underline.transform.localScale = Vector3.one;
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//设置下划线坐标和位置
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rt.anchoredPosition3D = Vector3.zero;
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rt.offsetMax = Vector2.zero;
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rt.offsetMin = Vector2.zero;
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rt.anchorMax = Vector2.one;
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rt.anchorMin = Vector2.zero;
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underline.text = "_";
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float perlineWidth = underline.preferredWidth; //单个下划线宽度
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float width = text.preferredWidth;
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int lineCount = (int)Mathf.Round(width / perlineWidth);
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for (int i = 1; i < lineCount; i++)
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underline.text += "_";
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var btn = text.gameObject.AddComponent<UIButton>();
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btn.onClick.AddListener(onClickBtn);
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}
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//点击响应
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void onButtonClick()
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{
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if (string.IsNullOrEmpty(m_url))
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return;
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Application.OpenURL(m_url);
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}
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}
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