project_ios/assets/Scripts/gcommon/ResMng.ts

import { SpriteFrame,Sprite,resources,_decorator } from "cc";



const { ccclass, property } = _decorator;
@ccclass('ResMng')
export class ResMng  {
    private static _instance: ResMng | null = null;
   
    private constructor() { }
    public static get Instance() {
        if (ResMng._instance === null)
            ResMng._instance = new ResMng();
        return ResMng._instance;
    }
    

    static LoadImg(spNameUrl: string, img: Sprite,callback:Function=null,obj:any=null) {
            resources.load("img/" + spNameUrl+'/spriteFrame', SpriteFrame, (e, sp: SpriteFrame) => {
                if(e){
                    console.log("not find","img/" + spNameUrl)
                }else{
                    if (img && sp)
                    img.spriteFrame = sp;
                    if(callback)callback.call(obj);
                }
            })
     
    }

    static LoadAvatar(spNameUrl: string, img: Sprite,callback:Function=null,obj:any=null) {
        resources.load("avatar/" + spNameUrl+'/spriteFrame', SpriteFrame, (e, sp: SpriteFrame) => {
            if(e){
                console.log("not find","avatar/" + spNameUrl)
            }else{
                if (img && sp)
                img.spriteFrame = sp;
                if(callback)callback.call(obj);
            }
        })
 
    }

    static LoadEmote(spNameUrl: string, img: Sprite,callback:Function=null,obj:any=null) {
        resources.load("chat_emote/" + spNameUrl+'/spriteFrame', SpriteFrame, (e, sp: SpriteFrame) => {
            if(e){
                console.log("not find","avatar/" + spNameUrl)
            }else{
                if (img && sp)
                img.spriteFrame = sp;
                if(callback)callback.call(obj);
            }
        })
 
    }

    static LoadItem(spNameUrl: string, img: Sprite,callback:Function=null,obj:any=null) {
        resources.load("item/" + spNameUrl+'/spriteFrame', SpriteFrame, (e, sp: SpriteFrame) => {
            if(e){
                console.log("not find","img/" + spNameUrl)
            }else{
                if (img && sp)
                img.spriteFrame = sp;
                if(callback)callback.call(obj);
            }
        })
 
}
}