编写一个函数 行 列 n=5 m=7;
[
[1, 10, 11, 20, 21, 30, 31],
[2, 9, 12, 19, 22, 29, 32],
[3, 8, 13, 18, 23, 28, 33],
[4, 7, 14, 17, 24, 27, 34],
[5, 6, 15, 16, 25, 26, 35]
]

思路图解

    function arrList(n, m) {
        // 创建外围数组
        let arr = [];
        for (let index = 1; index <= n; index++) {
            let createArr = []
            createArr[0] = index
            arr.push(createArr)
        }
        // 算法基数
        let a = n * 2 - 1, b = 1;
        // 奇数列计算函数
        function addOdd(value) {
            return value + a
        }
        // 偶数列计算函数
        function addEven(value) {
            return value + b
        }
        // 循环行
        for (let i = 0; i < n; i++) {
            // 循环列
            for (let index = 1; index < m; index++) {
                // 奇数列
                if (index % 2 == 1) {
                    let arr1 = arr[i]
                    let value = addOdd(arr1[index - 1])
                    arr1.push(value)
                }
                // 偶数列
                if (index % 2 == 0) {
                    let arr1 = arr[i]
                    let value = addEven(arr1[index - 1])
                    arr1.push(value)
                }
                // 最后一列更新算法
                if (index == m - 1) {
                    // 更新算法
                    a = (n * 2 - 1) - (i + 1) * 2;
                    b = 1 + (i + 1) * 2;
                }
            }
        }
        return arr
    }
    console.log(arrList(6, 8))