调用
this.creatLayout(5, 5, this.boxNode, this.rootNode)
//限制数量
this.creatLayout(5, 5, this.boxNode, this.rootNode, cc.v3(0, 0), 10, 10, 23)

    /**
     * 创建格子布局
     * @param xCount 列数量
     * @param yCount 行数量
     * @param prefab 预制体
     * @param root 根节点
     * @param rootPos 根节点坐标（偏移量）
     * @param spacingX 横间隔
     * @param spacingY 竖间隔
     * @param totalCount 总数量
     * @returns 
     */
    creatLayout(xCount, yCount, prefab, root, rootPos = cc.v3(0, 0), spacingX = 10, spacingY = 10, totalCount = 0) {
        if (root.children.length != totalCount) {
            root.children.forEach(element => {
                element.active = false;
            });
        }
        let scale = 1
        let oPos = cc.v3(rootPos.x - (prefab.width * prefab.scale * (xCount - 1) * scale + spacingX * (xCount + 1)) / 2, rootPos.y - (prefab.height * prefab.scale * (yCount - 1) + spacingY * (yCount + 1)) / 2)
        let count = 0;
        for (let j = yCount - 1; j >= 0; j--) {
            for (let i = 0; i < xCount; i++) {
                if (totalCount && count >= totalCount) return
                let node: cc.Node = root.children[count] || cc.instantiate(prefab);
                if (!node) continue;
                node.parent = root;
                node.width = prefab.width;
                node.height = prefab.height;
                //表格左上角第一个为1_1
                node.name = `${yCount - j}_${i + 1}`;
                node.x = oPos.x + prefab.width * prefab.scale * (i) + spacingX * (i + 1);
                node.y = oPos.y + prefab.height * prefab.scale * (j) + spacingY * (j + 1);
                node.active = true
                count++
            }
        }
    }