十三、PHP导出Excel

1.变量：

$indexKey = array("序号","姓名","会员编号","手机号","余额","身份证号","创建时间","状态");

 Array
(
    [0] => Array
        (
            [id] => 1
            [username] => 平台
            [vip_no] => 880000000
            [phone] => 17606543093
            [balance] => 67065.47
            [idnum] => 410381199012314567
            [create_time] => 1498989892
            [status] => 0
        )

    [1] => Array
        (
            [id] => 1
            [username] => 平台
            [vip_no] => 880000000
            [phone] => 17606543093
            [balance] => 67065.47
            [idnum] => 410381199012314567
            [create_time] => 1498989892
            [status] => 0
        )
)

$filename = 'testname';