may take the values 1, 0, or -1. If Type = 1 or if this optional parameter is omitted, it is assumed that the first column of the search array is sorted in ascending order. If Type = -1 it is assumed that the column is sorted in descending order. This corresponds to the same function in Microsoft Excel. If Type = 0, only exact matches are found.
可取值为 1, 0, 或 -1。如果 Type = 1 或未设置这个可选参数，则认为查找矩阵的第一列按升序排列。如果 Type = -1，则认为列按降序排列。这与 Microsoft Excel 中相同的函数一致。