1.使用TexturePacker打包图集  

下载地址 TexturePacker - Create Sprite Sheets for your game!

2.准备好数字图

 3. 导入图片

4. 打包图集需要的设置 

 

将重心点设置为左下方

点击回车  ==> 后点击回 ==>到精灵列表

选择导出的格式

导出后的内容 ==>导入unity

导入  ==== >并创建一个字体

依次点击生成字体Sprite 文件

可以使用id 也可以使用 name  ===>  name : <sprite name="第"><sprite name="2"><sprite name="关"> ===> id : <sprite =0>

 配合代码快速使用 ---->>

string[] imageTarget = new string[16] {"0","1","2","3","4","5","6","7","8","9",":","+","第","关","免","费"};

 /// <summary>
 /// 获取图片文字
 /// </summary>
 /// <param name="str"></param>
 /// <returns></returns>
 public string GetImageString(string str)
 {
     char[] astr = str.ToCharArray();
     string tar = "";
     for (int i = 0; i < astr.Length; i++)
     {
         string idstr = astr[i].ToString();
         if (!imageTarget.Contains(idstr))
         {
             tar += astr[i].ToString();
             continue;
         }
         if (idstr==":")
         {
             tar += "<sprite name=\"m\">";
         }
         tar += $"<sprite name=\"{tar}\">";
     }
     return tar;
 }