fix: inputfield文档修复与示例补充

Demo/API_V2/Assets/API/InputField/WXInputFieldAdapter.cs

@@ -0,0 +1,88 @@
+using UnityEngine;
+using WeChatWASM;
+using UnityEngine.UI;
+using UnityEngine.EventSystems;
+
+// 添加 InputField 组件的依赖
+[RequireComponent(typeof(InputField))]
+public class WXInputFieldAdapter : MonoBehaviour, IPointerClickHandler, IPointerExitHandler
+{
+    private InputField _inputField;
+    private bool _isShowKeyboard = false;
+
+    private void Start()
+    {
+        _inputField = GetComponent<InputField>();
+    }
+
+    public void OnPointerClick(PointerEventData eventData)
+    {
+        Debug.Log("OnPointerClick");
+        ShowKeyboard();
+    }
+
+    public void OnPointerExit(PointerEventData eventData)
+    {
+        Debug.Log("OnPointerExit");
+        if (!_inputField.isFocused)
+        {
+            HideKeyboard();
+        }
+    }
+
+    private void OnInput(OnKeyboardInputListenerResult v)
+    {
+        Debug.Log("onInput");
+        Debug.Log(v.value);
+        if (_inputField.isFocused)
+        {
+            _inputField.text = v.value;
+        }
+    }
+
+    private void OnConfirm(OnKeyboardInputListenerResult v)
+    {
+        // 输入法confirm回调
+        Debug.Log("onConfirm");
+        Debug.Log(v.value);
+        HideKeyboard();
+    }
+
+    private void OnComplete(OnKeyboardInputListenerResult v)
+    {
+        // 输入法complete回调
+        Debug.Log("OnComplete");
+        Debug.Log(v.value);
+        HideKeyboard();
+    }
+
+    private void ShowKeyboard()
+    {
+        if (_isShowKeyboard) return;
+
+        WX.ShowKeyboard(new ShowKeyboardOption()
+        {
+            defaultValue = "xxx",
+            maxLength = 20,
+            confirmType = "go"
+        });
+
+        //绑定回调
+        WX.OnKeyboardConfirm(this.OnConfirm);
+        WX.OnKeyboardComplete(this.OnComplete);
+        WX.OnKeyboardInput(this.OnInput);
+        _isShowKeyboard = true;
+    }
+
+    private void HideKeyboard()
+    {
+        if (!_isShowKeyboard) return;
+
+        WX.HideKeyboard(new HideKeyboardOption());
+        //删除掉相关事件监听
+        WX.OffKeyboardInput(this.OnInput);
+        WX.OffKeyboardConfirm(this.OnConfirm);
+        WX.OffKeyboardComplete(this.OnComplete);
+        _isShowKeyboard = false;
+    }
+}