docs: 微信系统字体文档及demo

Author: zhangjunkunn

Demo/WX_Font/Assets/Init.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using TMPro;
+using System.IO;
+using UnityEngine.UI;
+using WeChatWASM;
+using System.Reflection;
+using System;
+
+public class Init : MonoBehaviour
+{
+    // Start is called before the first frame update
+    public Text text;
+    public TMP_Text tmpText;
+    void Start()
+    {
+        WeChatWASM.WX.InitSDK((ret) =>
+        {
+            // fallbackFont作为旧版本微信或者无法获得系统字体文件时的备选CDN URL
+            var fallbackFont = "https://www.oooceanworld.com/testgame/testfont/36ee0558-77aa-4918-a524-1e472fcb2a12.ttf";
+            WeChatWASM.WX.GetWXFont(fallbackFont, (font) =>
+            {
+                text.font = font;
+                tmpText.font = TMP_FontAsset.CreateFontAsset(font);
+            });
+        });
+
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+
+    }
+}